193results about How to "low energy consumption" patented technology

The invention discloses a method for extracting flavonoids from ginkgo biloba leaves with a deep eutectic solvent. The ginkgo biloba leaves are used as raw materials, the choline deep eutectic solvent is used as an extracting agent, water is used as a diluent for decreasing the system viscosity, the flavonoids are extracted under the ultrasonic intensification, the choline deep eutectic solvent is a room-temperature molten salt liquid of ethylene glycol-oxalic acid-choline chloride, and the molar ratio of ethylene glycol to oxalic acid to choline chloride in the room-temperature molten salt liquid is 1:1:1. The method has the advantages as follows: the extraction method has the characteristics that the extracting agent does not explode and volatilize, the loss is low, the energy consumption is low, potential risks are avoided, the operation is convenient, industrialization is easy, the efficiency is high and the like, and the method can be applied to efficient and green large-scale production of the flavonoids and realization of comprehensive utilization of ginkgo biloba leaf resources.

The invention discloses a gyro-type dynamic self-balancing pan-tilt which comprises a frame component, a motor component, shooting equipment (1) and a control component; the control component comprises a processor and an inertial sensor; the inertial sensor detects the posture information of the shooting equipment (1); the processor controls the motor component according to the posture information; and the motor component directly drives the frame component to rotate in a manner relative to the shooting equipment so as to adjust the shooting angle of the shooting equipment (1). According to the gyro-type dynamic self-balancing pan-tilt, the motor component is adopted as motive power to directly drive the frame component of the pan-tilt, so that less energy is consumed, and the electricity is saved; and meanwhile, the stepless adjustment can be realized in the driving of the motor, the action response time is short, various postures of a carrier body can be adapted to by quickly starting, stopping or timely adjusting the rotating speed, so that the shooting stability of the shooting equipment (1) is improved.

The invention relates to a UV-curable colored paint composition which comprises (a) a low polymer containing at least one unsaturated double bond; (b) a diluted monomer; (c) a light initiator; (d) thermoplastic acrylic resin; and (e) a pigment. The paint composition of the invention can be applied in a one-time construction mode to obtain high-performance coatings with rich colors. Compared with the traditional two-layer or three-layer application mode, the invention can provide high production efficiency, low energy consumption, low manufacturing cost and low possibility of generation of wastes.

A method and energy-efficient apparatus for the treatment of liquids through the joint use of a gas mixture-oxidizing agent and UV radiation. This method uses an excimer UV lamp performing two actions affecting the liquid and changing its properties with UV radiation and the generation of a gas mixture containing strong oxidizing agents for influence on the liquid, disinfection and purification of the liquid being treated from contaminants. The apparatus incorporates energy efficient design features to reduce energy consumption and operational costs, as well as an excimer lamp design that improves performance parameters to surpass and outlast existing devices. Unique electrode designs, cleaning systems, and materials combine to create a state-of-the-art liquid treatment apparatus that exceeds existing industrial analogs and norms.

A process for removing sulfur-containing compounds from fuel, said process comprising contacting the fuel in liquid phase with air to oxidize the sulfur-containing compounds, said contacting being carried out in the presence of at least one transition metal oxide catalyst, wherein the catalyst is supported on a porous support and wherein the porous support comprises a support material selected from the group consisting of a titanium oxide, a manganese oxide and a nanostructured material of the aforementioned support materials.

The invention discloses a full-automatic watering vehicle. The full-automatic watering vehicle is characterized in that a water storing tank and a storage cabinet are arranged over a lower vehicle body; a vertical telescopic assembly is arranged beside the water storage tank; a telescopic rod of the vertical telescopic assembly is provided with a chain; the chain is driven by a motor; a horizontal driving slide block of a horizontal telescopic assembly is engaged with a horizontal driving screw rod; the end part of the horizontal driving screw rod is provided with a pressing device; the pressing device is installed over a supporting water pipe; a water spraying head is installed under the supporting water pipe; the lower vehicle body is provided with a worm gear rod and a damping wheels; the worm gear rod is engaged with a turning gear via a driving motor; the turning gear is engaged with a wheel driving shaft; and the worm gear rod and the turning gear transmit power to damping wheels, so the damping wheels can rotate and drive the lower vehicle body to move forward, backward and steer. Watering load can be reduced for workers, so less labor and time can be achieved for flower planting workers; and the full-automatic watering vehicle benefits people.

An electric power tool includes a percussion mechanism (15) located in an external housing (12) of the power tool (11) and driven by a driving motor (13) connected with the percussion mechanism (15) by a gear unit (14). An arrangement for cooling the power tool (11) includes a fan element (19) located in the external housing for generating a cooling air flow (26), a cooling air channel (18) extending along a longitudinal extent of the percussion mechanism (15) and a cross-section of which has a constriction (21; 51), a fresh air channel (31; 61) having an intake opening (32; 62) for communicating with atmosphere and formed in the external housing (12; 42) and a connection opening (33; 63) for communicating with the cooling air channel (18; 48) and arranged in an area of the constriction (21: 51) of the cooling air channel (18; 48).

The invention discloses an LED lamp capable of replacing a compact fluorescent lamp, which comprises a lamp shade (1) and a lamp holder (8), and also comprises a lamp carrier body, wherein the middle part of the lamp carrier body is provided with a base (4-1) with an air hole (4-1-1), the lower part of the lamp carrier body is provided with at least three base plates (4-2), the upper part of the lamp carrier body is provided with a heat radiating sheet (4-3); the lamp shade (1) is arranged on the base (4-1), the lamp holder (8) is arranged at the end part of the heat radiating sheet (4-3); LED lamp panels are arranged on the end parts and the outer surfaces of the base plates (4-2), LED lamp wicks (9) are fixed on the LED lamp panels; and the lamp holder (8) is internally provided with a drive circuit board (7) electrically connected with the LED lamp panels. The invention has the advantages of small volume, less energy consumption, good stability, no mercury, long service life, and the like.

The invention discloses a method for assembling a zinc oxide nano-chain by using DNA as a template, comprising the following steps of: (1) mixing and stirring an aqueous solution of DNA, an aqueous solution of zinc nitrate and an aqueous solution of hexamethylenetetramine; (2) heating to 60 DEG C-80 DEG C and keeping the temperature for 0.5-4h; and (3) reducing the temperature to room temperature of 20 DEG C-25 DEG C and carrying out ultrasound treatment in an ultrasound wave dispersion instrument for 10-20 minutes and sampling to obtain the zinc oxide nano-chain by using the DNA as the template. The method is simple, easily obtains raw materials, consumes less energy and reduces the pollution to the environment; the equipment is less and the cost is low, so the method is suitable for batch production; the reaction time is short, the yield is high and no toxicity and harm exist, so that the method provides the possibility for preparing the zinc oxide nano-chain on a large scale; and zinc oxide nano-chains with different shapes can be constructed by operating the space structure of biological macromolecule DNA. The invention can simultaneously solve the problems of the control of the size and the shape of nanometer materials and the dispersion stability.

The invention discloses a gyro-type dynamic self-balancing pan-tilt which comprises a frame component, a motor component, shooting equipment and a control component; the control component comprises a processor and an inertial sensor; the inertial sensor detects the posture information of the shooting equipment; the processor controls the motor component according to the posture information; the motor component directly drives the frame component to rotate in a manner relative to the shooting equipment so as to adjust the shooting angle of the shooting equipment; a connecting rod component for assisting the frame component is also arranged; and the connecting rod component rotates along with the frame component and supports the frame component. According to the gyro-type dynamic self-balancing pan-tilt, the motor component is adopted as the motive power to directly drive the frame component of the pan-tilt, so that less energy is consumed, and the electricity is saved; the connecting rod component and the frame component form a four-link component; the connecting rod component provides effective support for the frame component in a vertical direction, so that the load and the rigidity of the frame component are increased; when the load of the frame component is larger, the deformation of the frame component is effectively reduced; and meanwhile, the self-weight of the frame component is reduced, and the diameter of a motor is reduced.

The invention discloses a method for recovering phosphorus in sewage sludge. The method comprises the following steps: digesting a certain amount of the sewage sludge at first so as to allow the phosphorus to be released to a solution from the sewage sludge, wherein a digestion method can be one selected from the group consisting of an ultrasonic method, a heating method and an acid addition method or be a combined method of the heating method and the acid addition method ultrasonic method; and then, recovering the phosphorus resource in supernatant of the sewage sludge having undergone digestion, wherein a recovery method is to recover phosphorus in the supernatant of the sewage sludge through precipitation with a CaCl2 solution or through precipitation with seawater used as a magnesium source. With such a technical scheme, the method provided by the invention has the advantages of a simple process, low energy consumption, economic efficiency and social significance.

The invention discloses a raw material dispense prescriptions to synthesize carbofrax at low temperature and method, which comprises the following steps: making cane sugar, alcohol water solution, ferric nitrate, normal ethyl-silicones acid and acid catalyst as raw material dispense prescriptions; dissolving cane sugar into alcohol water solution; adding into ferric nitrate; dipping normal ethyl-silicones acid and acid catalyst; preparing carbofrax forerunner body xerogel; placing xerogel in vacuum graphite oven to carbon thermal reduction; preparing carbofrax; cooling model to room temperature; dealing several hours in the air; washing with mixed solution of fluohydric acid and azotic acid; washing; filtering; drying; getting purified carbofrax.

The invention relates to a method of utilizing acidic mannase to hydrolyze refined konjac powder to prepare konjac oligosaccharide and belongs to the technical field of food processing. The method includes: utilizing beta-mannase to pre-prepare an enzyme solution, wherein 200-300IU of enzyme is added for each gram of konjac powder; hydrolyzing the refined konjac powder under conditions of 40-60 DEG C and pH 4.5-7.0 to form konjac mannan oligosaccharide suspension; hydrolyzing a mannan oligosaccharide water solution through immobilized yeast technology to remove monosaccharide to form a water solution mainly containing oligosaccharide; obtaining a clarified oligosaccharide solution after being treated by filtering and membrane technology; finally utilizing high-speed centrifugal spraying and drying equipment to spray and dry at the temperature of 180-210 DEG C to obtain a konjac oligosaccharide powder product. The method is short in hydrolysis time and low in energy consumption, yield of prepared konjac obligosaccharide is higher than 70%, and the product is high in purity, low in monosaccharide, good in healthcare effect and suitable for industrialized production.

The invention discloses an indoor mobile phone positioning solving method comprising the following steps: S1, distributing a plurality of particles around a positioned target to form a particle set, and determining posture and normalization weight of each particle in the particle set by using a particle filter algorithm and an indoor geomagnetic field map according to the received direction of a monitoring sensor of a smart mobile phone and magnetic-field components; S2, performing Kring interpolation on the geomagnetic field map according to the corresponding magnetic-field component tested by the sensor of the smart mobile phone; S3, when a system tests that the target positioning is failure, performing a self-adaption re-sampling strategy, and when the system tests that the positioned target is correct, recovering the former re-sampling process; and S4, determining an estimated position of the positioned target in the indoor geomagnetic field map according to the posture and normalization weight of each particle in a re-sampling particle set. The indoor mobile phone positioning solving method can be used for achieving high indoor positioning accuracy with average of 1-2 m; and in addition, compared with a WiFi indoor positioning technology, the indoor mobile phone positioning solving method is low in energy consumption, high in reliability, and low in cost.

The invention discloses a sapphire crystal annealing process. The sapphire crystal annealing process comprises the steps of: cooling at a high temperature stage, cooling at an intermediate temperature stage and cooling at a low temperature stage, wherein inert gases are used for cooling and protection during cooling at the low temperature stage. The sapphire crystal annealing process has the advantages that the annealing time is short by saving about 50 percent of time compared with the traditional melting processes, the energy consumption is low by reducing 10 percent of energy consumption compared with the traditional annealing processes; the production efficiency is improved, and cooling is uniform and fast to avoid stress cracking of sapphire crystal; and the product quality and the pass rate are improved.

Disclosed is a near-surface object sensing device, including a printed circuit board, a plurality of magnetic sensors arrayed on the printed circuit board to sense the magnetic field of an external magnetic object and generate a magnetic sensing signal, a multiplexer connected to the magnetic sensors for selecting and outputting the magnetic sensing signal, and a microprocessor connected to the multiplexer for receiving the magnetic sensing signal, wherein the microprocessor includes a sampling algorithm module for converting the magnetic sensing signal into a magnetic field distribution image, and a six-dimensional coordinate-calculating module for calculating six-dimensional coordinates of the external magnetic object. The sensing device of the invention is compact, low energy consuming and can accurately provide users with a convenient and intuitive user interface with three dimensional locations and position information in a near-surface space.

The invention discloses a distillation method and device for seawater desalination at atmospheric pressure. The distillation device comprises an atmospheric pressure distillation module, wherein the atmospheric pressure distillation module comprises an atmospheric pressure box structure, a plurality of hollow water collection plate assemblies and a plurality of liquid-absorbing core board assemblies, wherein the hollow water collection plate assemblies and the liquid-absorbing core board assemblies are arranged in an inner cavity of the atmospheric pressure box structure in an interphase manner, and one liquid-absorbing core board assembly is arranged between two adjacent hollow water collection plate assemblies; catch basin assemblies for collecting condensed distilled water are arranged at the lower ends of the outer walls of the hollow water collection plate assemblies; the flow direction of a fluid in each hollow water collection plate assembly is opposite to that in each liquid-absorbing core board assembly; the temperature of the fluid which flows through the inner cavity of a hollow core board of each hollow water collection plate assembly is lower than that which flows through two sides of the panel of a liquid-absorbing core board of each liquid-absorbing core board assembly; and the operating temperature of the fluid which flows through two sides of the panel of each liquid-absorbing core board is 55-98 DEG C. Therefore, the water production performance and the efficiency of a system can be effectively improved, and the operation cost of the system is reduced.

The invention discloses a physical demulsifying and coalescing and oil-water separating method for an oil-water emulsion under micro-electric field effect, and relates to the technical fields such as petroleum, petrochemical, food, machining and shipping industries. The technical scheme adopted is as follows: oil drops of oily sewage float upward and are coalesced and absorbed on the lower surface of a coalescing plate under the effect of the micro-electric field between the lower surface of the oil-water coalescing plate and a bottom plate of a box body. The oil drops coalesced and expanding in volume float upward from an oil spill hole, so that the oil and water are effectively separated. According to the invention, micro emulsus drops are transferred, absorbed and coalesced, and float upward under the effect of the micro-electric field through a pure physical method, and finally oil and water are separated. The oil-water separation rate can reach over 98%.

This invention relates in general to a renewable energy water heating system and method for residential and commercial applications. The heating system has a renewable energy source providing a DC electric current and a controller connected to the renewable energy source. The water heater is connected to the controller, the water heater having a water storage tank and at least one heating element for heating water in the tank responsive to an electric current supplied thereto. The controller modulates and switches the DC electric current to produce a converted output to provide the electric current to the at least one heating element to heat the water.

The invention relates to a production method for ultra-clean high-purity ethyl acetate. The method comprises the following steps: with industrial-grade ethyl acetate as a raw material, carrying out successive and continuous adsorbent pretreatment and membrane filtration so as to obtain a semi-finished ethyl acetate product, and successively subjecting the semi-finished ethyl acetate product to steps of molecular-sieve dehydration, ion exchange resin and circulating filtration for purification so as to obtain the ultra-clean high-purity ethyl acetate. Through optimization of a purification route and process conditions, the preparation method for the ultra-clean high-purity ethyl acetate can finally prepare electric grade high-quality ethyl acetate which has a single metal ion content of less than 1 ppb and more than 0.2 [mu]m and a particle size of less than 100 particle/mL and is applicable to electronic industry.

The invention provides a spontaneous heating strengthened composite floor. The spontaneous heating strengthened composite floor comprises a substrate layer, a bottom layer arranged under the substrate layer and a surface layer overlapped on the surface of the substrate layer, wherein at least one flat cable slot is arranged on the substrate layer in the longitude direction thereof, and the at least one flat cable slot is equipped with an electrical heating coil which is connected with the power supply through the flat cable slot. The electrical heating coil used in the floor in the invention is a carbon nanocoil made from a carbon nano composite material and has advantages of high electricity-heat conversion rate, good insulativity, wear resistance, waterproof and the like, so that the floor in the invention provides corresponding lots of advantages. The metal material conducting layer arranged on the wall surface of the flat cable is capable of uniformly conducting heat. By simply improving the present strengthened composite floor, the invention adopts a spontaneous heating strengthened composite floor with advantages of safety, environment-friendly, low energy consumption and very high cost performance, which has great potential application value.

The invention discloses an automatic anti-folding device for a tractor-semitrailer. The device comprises a cam drum type brake (11), a crank connecting rod mechanism and a control system, when four conditions, namely a vehicle speed, a rotation angle of a steering wheel, a rotation angle of a fifth wheel and a position of a brake pedal, meet corresponding conditions simultaneously, the control system transmits a brake command to a brake solenoid valve (K1), the relative rotation between a tractor (4) and a semitrailer (5) is restrained by the cam drum type brake 11 and the crank connecting rod mechanism, and the folding is prevented during brake; and the device can adjust the length of a combined connecting rod (22) so as to adapt to different types of tractors or mounting positions and be convenient to maintain and replace. The device can be applied to various tractor-semitrailers, and is used for preventing folding the semitrailer (5) caused by inertia due to braking deceleration oremergency braking during high-speed running.

The invention discloses a production process of lithium chloride. The production process of the lithium chloride comprises the steps: S1, increasing the lithium concentration of raw material brine to be 15 to 25 g/L by a first concentration procedure to prepare first qualified liquid; S2, purifying the first qualified liquid by a first adsorption procedure and removing calcium and magnesium ions and boron ions to prepare second qualified liquid; S3, increasing the lithium concentration of the second qualified liquid to be 80 to 100 g/L by a second concentration procedure to prepare third qualified liquid, wherein the sodium ion concentration is less than 5 g/L; S4, purifying the third qualified liquid by a second adsorption procedure until the sodium ion concentration is less than 5 mg/L to prepare fourth qualified liquid; and S5, dehydrating the fourth qualified liquid to prepare anhydrous lithium chloride. According to the production process of the lithium chloride, provided by the invention, the recovery rate of the lithium ions is high, the purity of the prepared anhydrous lithium chloride product can reach above 99.3 percent, and the production process is suitable for industrialized large-scale production.

The invention relates to an air conditioner indoor unit which comprises a unit shell, a heat exchange device, a main ion wind generation device, a first lateral ion wind generation device and a second lateral ion wind generation device. The unit shell is provided with at least one air inlet, a lower air outlet located in the lower portion of the unit shell, a first lateral air outlet and a second lateral air outlet, wherein the first lateral air outlet and the second lateral air outlet are located in the two sides of the unit shell correspondingly and face the lateral front sides of the unit shell. The heat exchange device is arranged in the unit shell and is configured to conduct heat exchange with air flowing through the heat exchange device. The main ion wind generation device is arranged on a flowing path from the heat exchange device to the lower air outlet in the unit shell so that air obtained after heat exchange of the heat exchange device can be promoted to flow towards the lower air outlet through electric field force. The first lateral ion wind generation device and the second lateral ion wind generation device are arranged on a flowing path between the heat exchange device and the first lateral air outlet in the unit shell and a flowing path between the heat exchange device and the second lateral air outlet in the unit shell correspondingly so that air obtained after heat exchange device can be promoted to flow towards the first lateral air outlet and the second lateral air outlet through electric field force. Thus, the noise of the air conditioner indoor unit is lowered, and the air supply range of the air conditioner indoor unit is enlarged.

The invention relates to a tank body automatic welding machine, in particular to an irregular tank body circular seam automatic welding machine. The tank body automatic welding machine comprises a machine frame, a welding gun assembly arranged on the machine frame and a wire sending mechanism for sending welding wires for the welding gun assembly. The machine frame comprises a left support frame, a right support frame and two beams, wherein two ends of the beams are respectively fixed on the tops of the two support frames. The irregular tank body circular seam automatic welding machine further comprises a welding gun horizontally moving mechanism used for driving the welding gun assembly to move horizontally reciprocally and a welding gun lifting mechanism for driving the welding gun assembly to move longitudinally and reciprocally. The lower end of the welding gun lifting mechanism is provided with a welding gun automatic adjusting mechanism, horizontal rails are respectively arranged below the two lower support frames, walking mechanisms for driving the whole automatic welding machine to move reciprocally are respectively arranged at the bottoms of the two support frames. The irregular tank body circular seam automatic welding machine is small in workload, low in energy consumption, stable in welding quality, capable of saving a large amount of spaces, and suitable for circular seam welding of carbon steel tanks, stainless steel tanks, aluminum tanks and other tanks of various materials.

The invention discloses a UC (uranium carbide) pellet, a preparation method thereof and a fuel rod. The preparation method of the UC pellet comprises the following steps: S1, UN (uranium nitride) powder and a carbon source are weighed in a mole ratio being 1:0.8-1.5 and added to a solvent, and slurry is formed after uniform mixing; S2, the slurry is dried, and mixed powder is obtained; S3, the mixed powder is pressed into a blank with density being 50% or higher; S4, the blank is sintered in a pressureless manner at high temperature, and the UC pellet with density higher than or equal to 95% is obtained. UN and the carbon source are taken as the raw materials, a carbon thermal reduction process and a densified sintering process are realized under high-temperature pressureless sintering, a hot-pressing sintering process with low production efficiency is not needed, a sintering aid is not required to be introduced, reduction of the melting point of the pellet is avoided, batch sintering can be realized, energy consumption is low, and applicability to industrial production of fuel pellets is realized.

The invention discloses a method of using cyclodextrin to embed gasified plant essential oil and belongs to the technical field of cyclodextrin embedding of the plant essential oil. A key to form a high-utilization-rate inclusion complex is enabling diffusion force of subjective and objective molecules to be in a highly active state, while strength of molecule diffusion force is in gas state, liquid state and solid state. On one hand, cyclodextrin cannot form a gas phase, so that molecule diffusion force of cyclodextrin in the liquid state is highest; on the other hand, volatile oil can form a gas phase when being heated, so that molecule diffusion force of the volatile oil is most active in the gas state. Therefore, a gas-liquid embedding means is utilized to increase chance of contacting between the subjective and objective molecules so as to obtain the high-utilization-rate inclusion complex. The problems of high solvent consumption of a liquid-liquid embedding method and low inclusion-complex utilization rate of a solid-liquid embedding method are solved by the gas-liquid embedding method, in other words, the gas-liquid embedding method does not need or only needs little organic solvent and does not need high-temperature high-pressure special equipment, so that the method is low in energy consumption and suitable for industrial production.

The invention discloses a preparation method of zirconium nitride. The invention is characterized in that the preparation method of zirconium nitride comprises the following steps: a zirconium metal powder (80-120 meshes) is spirally conveyed into a sealed stainless steel rotary kiln reactor, ammonia gas is blown into the reactor in the reverse direction; and temperature of the reactor is controlled at 500-1100 DEG C, the reactor rotates uninterruptedly to continuously feed the zirconium metal powder and the zirconium metal powder is decomposed and undergoes nitridation by ammonia gas so as to obtain zirconium nitride. Purity of zirconium nitride is more than 99.6%. According to the invention, raw materials are easily available; technological process is stable; and the preparation method is suitable for continuous production and environmentally friendly.

The invention discloses a preparation method of an olive leaf extract. The preparation method comprises the following steps: a, selecting olive leaves; b, putting the selected olive leaves into saline water, and soaking for 1-2 hours; c, drying; d, after drying, grinding into fine powder; e, adding 3-8 times of water into the raw material, and then adding cellulase; f, after enzymatic hydrolysis, filtering to obtain an enzymatic hydrolysate; g, directly enabling the enzymatic hydrolysate to pass through a neutral aluminum oxide column with the diameter-height ratio of 1:4 to 1:13, eluting for removing impurities by using water and an ethanol solution with the concentration of 90% respectively, eluting by using a mixture of glacial acetic acid with the concentration of 0.2-0.5% and an ethanol solution with the concentration of 45%, and collecting an eluate, wherein the volume of water is 2-3 times of the column volume, the volume of the ethanol solution with the concentration of 90% is 0.8-1.5 times of the column volume, and the volume of the mixture is 7-9 times of the column volume; h, volatilizing the glacial acetic acid and the ethanol in the eluate, and performing microwave vacuum drying to obtain the olive leaf extract. By the preparation method, active components can be dissolved out more effectively, and energy consumption in the extraction process is greatly reduced and thus the production cost is reduced.

The invention relates to the technical field of building curtain wall energy conservation, and discloses a breathing type double-layer glass curtain wall system which comprises an outer-layer glass curtain wall; the outer-layer glass curtain wall is made of heat insulation sectional materials and located outside the outer ends of an upper-layer plate and a lower-layer plate; the outer-layer glasscurtain wall is completely closed; a second supporting device is arranged at the position, close to a supporting rod, of an indoor floor; the second supporting device is connected with an inner-layerglass curtain wall; the inner-layer glass curtain wall is made of non-heat-insulation sectional materials; a ventilation interlayer is formed between the outer-layer glass curtain wall and the inner-layer glass curtain wall; a glass door is arranged at the position, spaced by the width of a third ventilation device, of the inner-layer glass curtain wall; the glass door is made of the heat insulation sectional materials and connected with the indoor floor; the inner-layer glass curtain wall, the third ventilation device, the glass door and the indoor floor sequentially define an area with a closed side line; and after the glass door is closed, air flow circulation at the two sides of the glass door can be interrupted. According to the breathing type double-layer glass curtain wall system, under the condition of not depending on a complex mechanical system, the effects of temperature adjustment in summer and heat insulation in winter are achieved.