49results about How to "Sufficient air supply" patented technology

The invention relates to a low-emission static oxygen-control biologically-enhanced humification composting method. The method comprises the following steps: respectively crushing organic wastes intoparticles with the particle size of less than 5 cm; uniformly mixing and stirring according to a weight ratio; adding a biologically-enhanced composite microbial agent accounting for 0.1-0.5% of the total amount of the mixture and allowing the water content of the organic waste stock to be 60-65%, the carbon-nitrogen ratio to be 23-30, and the volume weight to be 700-950 kg/m<3> to obtain a composting raw material. Air with a supply amount of 0.40-0.45 m<3>/h/m<3>, air with a supply amount of 0.28-0.38 m<3>/h/m<3> and air with a supply amount of 0.13-0.26 m<3>/h/m<3> are respectively providedthrough high-pressure aeration pipes in the three stages of compost temperature rise, high temperature and temperature reduction to fully decompose organic matters; and after fermentation is completed, the water content of a finished product fertilizer is 33-42%, the volume weight is reduced to 400-650 kg/m<3>, the volume of a pile body is reduced by 30-50%, and meanwhile, emission of methane, nitrous oxide, ammonia gas and hydrogen sulfide is reduced.

The invention discloses a method for melting copper at low temperature. A copper melting device is involved. The copper melting device comprises a circulating gas pipeline, a heat exchanger, an acid-resistant water pump, a high-pressure acid-resistant air pump, an air filter, a liquid level sensor and a copper melting tank, wherein a feeding port, an acid spray pipe and a filter plate are sequentially arranged from top to bottom in the copper melting tank. The method specifically comprises the following steps of: 1) preparing raw materials; 2) adding a copper material; 3) filtering air, feeding into the copper melting tank, rising, and reacting with the copper material to obtain copper oxide; 4) spraying a solution of dilute sulfuric acid by using the acid spray pipe and reacting with the copper oxide to obtain a solution of copper sulfate; and 5) discharging the solution of copper sulfate through the filter plate. The method for melting the copper at low temperature is easy to operate, and is high in copper melting efficiency, low in discharge loss and low in pollution, and steps are simple; and the copper melting device used by the method has a simple structure and industrialized production is easy to realize.

The invention relates to a heat radiating apparatus of a battery, in particular to a heat radiating system for a battery pack, which is used for cooling a power battery pack on an electric motor coach. A common heat radiating system of a battery pack is strong wind cooling and water cooling: the wind cooling drives an electronic fan to blow wind or extract wind by the electricity supplied by the power battery pack, thereby increasing the working load of the battery and shortening the operation mileage of the electric motor; the water cooling is provided with a complicated cooling water pipeline and a water pump motor with high performance, so that the technical requirement is high, a hidden trouble water leakage exists, and two cooling systems cost too much for long-time use. The invention provides the heat radiating system of the battery pack with simple structure, safe use and low cost. The heat radiating system comprises a gas supplying source a gas pipeline, wherein the gas supplying source is compressed gas, the input end of the gas pipeline is connected with the supplying source of the compressed gas, and the output end is connected with a battery box for placing the battery. In the invention, the power battery pack is radiated and cooled by the compressed gas without mounting the electronic fan or being embedded with a water channel and the water pump motor.

The blower cooling system for blower cooled refrigerator has one increased rotary wind channel to the back wall of the refrigerator. The rotary wind channel is communicated to original wind channel. Inside the rotary wind channel, there are one wind column with several wind holes, one motor to drive the wind column to rotate at one end of the wind column, and one bearing at the other end. The wind column has one axial notch with wind outlet. One wind lattice with arced blades is set between the wind channel and the refrigerator compartment. The blower cooling system may form rotary stereo wind to deliver cold air everywhere in the compartment of refrigerator to ensure temperature homogeneous and no rot of food.

The invention discloses a marine solid oxide fuel cell and steam-injected gas turbine combined generating system and a marine solid oxide fuel cell and steam-injected gas turbine combined generating method. The air input port of the air compressor of the system is used for introducing air, the air output port of the air compressor is connected with a heat regenerator, the gas output end of the heat regenerator is connected with a cell stack cathode, the fuel output end of a fuel bottle is connected with the fuel input end of a pre-reformer, the output end of a distilled water heater is connected with the pre-reformer, the output end of the pre-reformer is connected with a cell stack anode, the anode discharge gas output pipeline and the cathode discharge gas output pipeline of a solid oxide fuel cell are used for a combustion chamber, the exhaust gas output end of the combustion chamber is connected with the gas inlet of a turbine, the gas outlet of the turbine is connected with the gas inlet of the heat regenerator, the exhaust gas outlet of the heat regenerator is connected with a waste heat boiler through an exhaust gas transmission pipeline, and the superheated steam output endof the waste heat boiler is connected with the superheated steam input end of the combustion chamber. The system realizes waste heat utilization of a marine auxiliary boiler.

The invention discloses a novel wind chamber enabling wind to enter in a tapered way. The novel wind chamber comprises a wind chamber body; a wind deflector inclining upward is arranged in the wind chamber body and consists of branch wind deflectors which are symmetrically arranged along the axial direction of the wind chamber body; lower edges b of the two branch wind deflectors are to each other; at the side near a wind inlet, the upper edges a of the two branch wind deflectors have the distance of L1 from each other, and at the side far away from the wind inlet, the upper edges a of the two branch wind deflectors have the distance of L2 from each other; an included angle alpha between the axial direction of the lower edge b of each branch wind deflector and the horizontal plane is in the range of 4-10 degrees; the wind chamber body provided with the wind deflector has a Y-shaped section, an included angle beta between two Y-shaped inclined edges and the vertical direction is in the range of 100-150 degrees; a dust collecting storage is arranged below a gap; and a plurality of wind strips are radially arranged in parallel at equival intervals at a wind outlet along the wind chamber body. According to the invention, the novel wind chamber enabling wind to enter in a tapered way is simple in structure and ingenious in design and can utilize a tapered wind deflector to enable air to be uniformly blown.

The invention discloses an engineering vehicle chassis brake control system and a crane, and relates to the technical field of engineering vehicles. The technical problem that braking capacity in the prior art is poor is solved. The engineering vehicle chassis brake control system comprises a foot brake valve, a first foot relay valve, a three-shaft left brake chamber, a three-shaft right brake chamber and a first air tank, and an air inlet of the first foot relay valve is communicated with an air outlet of the first air tank. One of two air outlets of the first foot relay valve is communicated with a travelling brake airflow inlet of the three-shaft left brake chamber. The other of the two air outlets of the first foot relay valve is communicated with a travelling brake airflow inlet of the three-shaft right brake chamber. The crane comprises a rear axle brake air path, and the rear axle brake air path comprises the engineering vehicle chassis brake control system. The engineering vehicle chassis brake control system and the crane are used for improving the brake performance of the chassis brake control system of the crane.

The invention relates to hot-air central heating equipment, particularly to a coal-fired hot-blast stove. The coal-fired hot-blast stove comprises a stove body, wherein a heat-exchanging device is arranged in the furnace chamber of the stove body; a combustion chamber is arranged at the lower part of the stove body; a smoke dust catcher is connected with a tail gas outlet at the middle part of the stove body; a hot-air outlet is arranged on the side wall of the combustion chamber; and a secondary air inlet is further arranged at the top of the stove body. As the secondary air inlet is arranged at the top of the stove body, the coal-fired hot-blast stove in the invention achieves sufficient air feed and full combustion, solves the problem of flue waste caused by insufficient combustion fundamentally and reduces the cost. Furthermore, the hot-air central heating equipment has the characteristics of compact structure, reasonable layout, large heat-exchanging strength, fast temperature rise speed, high heat efficiency, small occupied area, convenience for installation and operation, clean air hot, stable properties and the like.

The invention discloses a compressor and an air conditioner. The compressor comprises two air cylinders, rollers rolling in the air cylinders and a crankshaft passing through the two air cylinders. The crankshaft is provided with two eccentric circles in a spaced mode. Each roller is internally configured with the corresponding eccentric circle. The total displacement of the two air cylinders is within the range of 12.0 cc to 16.5 cc. The diameter of the eccentric circles is within the range of 20 mm to 23.5 mm. The compressor has the advantages of large air supplement opening forming area, sufficient air supplement amount, high energy efficiency and the like.

The invention relates to an elaphe carinata hatching method. The method comprises the following steps: (1) preparing vermiculite; (2) laying a layer of vermiculite treated in the step (1) in a foam chamber, wherein the laying thickness is controlled to be 30-30 centimeters; (3) transversely and gently placing elaphe carinata eggs on the laid vermiculite, wherein the elaphe carinata eggs cannot be placed vertically, otherwise, normal hatching rate can be affected, and snakelets can even die in the eggs; (4) laying a layer of vermiculite on the elaphe carinata eggs laid in the step (3); (5) covering a chamber opening of the foam chamber by using a screen mesh, and fastening through strings to prevent mosquitoes, flies, ants and the like from damaging the elaphe carinata eggs; and (6) turning over the elaphe carinata eggs artificially at time intervals of 10 days until all the elaphe carinata eggs are hatched. The elaphe carinata hatching method has the advantages of reasonable step arrangement, convenience in operation and use and the like; and hatching rate of the elaphe carinata can be improved, so that smooth reproduction of the elaphe carinata is guaranteed.

The invention discloses a flower pot capable of collecting rainwater and storing water and a planting method adopting the flower pot capable of collecting rainwater and storing water. By the adoption of the flower pot, enough water can be stored by the flower pot, a plant in the flower pot does not lack water for a long time after watering is conducted once, and water can seep slowly in a water planting mode to be utilized by the plant. In addition, by the adoption of the planting method, operation is easy, the efficiency is high and the labor intensity is low. The flower pot capable of collecting rainwater and storing water comprises a flower pot body (1). At least one annular surrounding wall (2) is arranged in the flower pot body (1). A water storage area (3) is defined by the inner wall of the flower pot body (1) and the outer side of the annular surrounding wall (2). A planting area (4) is defined by the inner side of the annular surrounding wall (2). A soil isolating net (5) is arranged above the water storage area (3). A water discharging hole (6) communicated with the planting area (4) is formed in the bottom of the flower pot body (1). The flower pot capable of collecting rainwater and storing water is applied to the technical field of planting of potted plants.

The present invention provides an air conditioner which can sufficiently execute air supplying in the horizontal direction. The air conditioner provided by the invention is provided with a wind direction changing mechanism which is equipped at an air outlet. The wind direction changing mechanism is provided with a shutter board which changes the direction of the air that comes from the air outlet,a first arm and a second arm which drive the shutter board. One side of the basic shaft side of first arm is rotatably supported on the body of the air conditioner with a shaft (at a first fulcrum).The shutter board is rotatably supported on one side of the shaking end with a shaft (at a second fulcrum). One side of the basic shaft side of second arm is rotatably supported on the air conditionerwith a shaft (at a third fulcrum). The shutter board is rotatably supported on one side of the shaking end with a shaft (at a fourth fulcrum). The wind direction changing mechanism is provided with alink mechanism which is connected through the first fulcrum and the second fulcrum of the first arm and the third fulcrum and the fourth fulcrum of the second arm. The wind direction changing actionis performed at one side of the shaking end of the first arm and the second arm with the shutter board driven by the link mechanism.

The invention discloses a combustion monitoring control system of a waste wood fuel boiler using a non-pre-treatment technology. By means of monitoring of steam pipe outlet pressure, monitoring of oxygen content of the top of a combustion chamber and monitoring of temperature of slag discharged from a fire grate and by means of control of the rotation speed of a primary air supply fan, the rotation speed of a secondary air supply fan and the rotation speed of a chain grate drive motor, sufficient combustion of fuel and combustion components of the boiler can be well guaranteed no matter what the fuel is, sufficient combustion is achieved, meanwhile the situation that air is exceedingly supplied is avoided, the fuel is fully combusted, the heat efficiency of the boiler is greatly improved, and the combustion monitoring control system can well adapt to use of the waste wood fuel boiler using the non-pre-treatment technology.

A greenhouse planting system is disclosed. The system comprises a greenhouse, and comprises planting equipment, an oxygen generator, a planting liquid sprinkling irrigation device, a heating device, an air purification device, an air blowing device and a control system which are arranged in the greenhouse. The control system comprises an oxygen generator control unit, a sprinkling irrigation control unit, a temperature control unit, a clearance control unit, a ventilation control unit, a planting liquid detection unit, a soil detection unit and a central control mainboard; the oxygen generator control unit is electrically connected with the oxygen generator; the sprinkling irrigation control unit is electrically connected with the planting liquid sprinkling irrigation device; the temperature control unit is electrically connected with the heating device; the ventilation control unit is electrically connected with the air purification device; the central control mainboard is in communication connection with the oxygen generator control unit, the sprinkling irrigation control unit, the temperature control unit, the clearance control unit, the ventilation control unit, the planting liquid detection unit and the soil detection unit through network interfaces.

The invention provides an aeration system for landfill leachate wastewater. The aeration system is used for the aeration of a reaction facility for treating wastewater, and landfill leachate is storedin the reaction facility; the aeration system is characterized by comprising a gas supply device, a liquid supply device, a gas-water jet device and a swirl-mixing aerator, wherein the gas-water jetdevice comprises a jet device and a gas-water mixing pipe extending from the jet device into the reaction facility; the gas-water jet device is communicated with the gas supply device and the liquid supply device and is used for receiving gas and liquid and conveying the gas and the liquid to the reaction facility via the gas-water mixing pipeline after mixing the gas and the liquid; the swirl-mixing aerator is arranged at the tail end of the gas-water mixing pipe, and the swirl-mixing is also arranged at the bottom of the reaction facility. By adopting the aeration system, the effective degradation of pollutants in water can be achieved, sewage blocking can be effectively prevented, the overloading of aeration fans is avoided, and the equipment maintenance strength is reduced.