78results about How to "Reduce air supply" patented technology

The invention relates to a compressed air air-conditioner. The invention belongs to a rotor transducer used for converting energy into power, and relates to an air-conditioning system using an expansion engine to increase the energy of a compressor. The compressed air air-conditioner can be used for adjusting the indoor temperature by cold air generated by expansion of compressed air which is cooled, and is an ideal environment-friendly air-conditioner which has low air specific heat and high relative energy consumption so as not to be used as the common air-conditioner. If the expansion engine with high energy conversion efficiency can recover the compression energy as much as possible, and the energy is only consumed in the aspects of heat exchange and mechanical wear, so that the compressed air air-conditioner has the value of being taken as the common air-conditioner. The compressed air air-conditioner comprises the compressor which is arranged together with the expansion engine in a coaxial way, and a heat exchanger is connected between the compressor and the expansion engine. The compressed air air-conditioner is characterized in that both the compressor and the expansion engine use the rotor transducer. The compressed air air-conditioner has the advantage of adding the advantage of saving energy on the basis of environmental protection.

The invention provides a pulse aeration biological contact oxidation water treatment device, belonging to the technical field of water treatment engineering. The device consists of a water pool, an aeration system, a biological padding area, a pulse generator, an air valve and the like. The pulse generator, the aeration system and the biological padding area are successively installed from the bottom of the pool to the upper part; the aeration system and the pulse generator are connected and communicated through the air valve; an air supplying tube continuously supplies air for the pulse generator; after the pulse generator is full of air, the air is quickly released to the aeration system through the air valve, and is released to the biological padding area in a form of small bubbles through the aeration system; and after the air is completely released, the inlet of the aeration system is closed by the air valve so as to stop water from entering. When the device provided by the invention operates, the outside can supply the air for the device in a continuous and low-strength form, and the aeration of the inner padding area is in an intermittent pulse and high strength form; and when micro-polluted water with large oxygen demand is treated, the pulse aeration achieves the aeration strength required when an aged biological film falls off on the premise of guaranteeing the oxygen demand, thereby reducing the air supplying amount and saving energy.

The invention relates to a salient shoulder type static pressure tangential small-hole gas bearing, which is a tangential small-hole gas bearing and is in cylindrical shape. The radiuses at two ends of the bearing are greater than that in the middle of the bearing; due to the adoption of a composite structure that a bearing body and a salient shoulder type bearing liner are bushed, the bearing body is sleeved outside the salient shoulder type bearing liner; and the longitudinal section of the salient shoulder type bearing liner has a circular ring structure, and an inward salient shoulders are arranged at two ends of the salient shoulder type bearing liner. Compared with the prior art, the bearing of the invention has the advantages that: the gap formed between the tangential small-hole gas bearing and the shaft can be reduced by 0.025mm, so that the air supply of the bearing is reduced by half, and the air consumption is reduced. Therefore, the whole energy consumption of the air equipment is reduced; in addition, the friction factor is obviously reduced. Even if the bearing and the shaft are instantly contacted with each other by accident, the rotor also can operate normally.

The invention, which belongs to the technical field of the wind tunnel, particularly relates to a method and apparatus for improving an air storage type wind tunnel. The method comprises: low-pressure liquid air or low-pressure liquid nitrogen absorbs an environment heat source by a vaporizer and and is converted into normal-temperature high-pressure gas by an environment heat source; a compressed gas tank is filled with one part of the normal-temperature high-pressure gas and the other part of the normal-temperature high-pressure gas drives an expansion machine to convert high-pressure potential energy into mechanical energy so as to drive an air compressor; the expansion machine discharges exhaust gas for cooling the air compressor; normal-temperature high-pressure gas after boosting by the air compressor is inputted into the air compressor, high-pressure gas generated by compression by the air compressor and the exhaust gas discharged by a cooling outlet of the air compressor are mixed and then mixed gas enters the compressed gas tank; and compressed gas from the compressed gas tank enters a wind tunnel pipe at a high speed through a wind tunnel jet head to form a wind tunnel airflow. According to the invention, the vaporizer, the air amplifier, and the expansion machine are used for the wind tunnel field; the environmental thermal energy is utilized fully; the electric energy consumption is substantially reduced; rapid and continuous large-airflow air supply is realized; the system is simplified; the energy consumption is reduced; the efficiency is high; and the cost is low.

The invention discloses a gas-water injection device and a dust control system for dust produced by cutting of a coal cutter. The dust control system adopts the structure that a rocker is arranged on a coal cutter, a coal cutting roller is arranged at the front end of the rocker, an extracting dust removal blower is arranged on each of two sides of the coal cutter, air intake cylinders of the extracting dust removal blowers are arranged along the rocker and extend to the coal cutting roller; an obliquely arranged mounting bar is arranged on the rocker; the center of the tail end of the mounting bar and the center of the coal cutting roller are located on the same horizontal line; three gas-water injection devices are uniformly arranged at the tail end of the mounting bar with 120 degrees' angles formed among the gas-water injection devices. According to the gas-water injection device and the dust control system, the particle diameters of fog drops are reduced, a compact gas-water curtain with a relatively large gas specific weight is finally formed, dust is controlled by the gas-water curtain generated by the air-water linkage injection device, and dust produced by cutting of the coal cutter is extracted and processed by the extracting dust removal blowers, so that the dust concentration on a coal face is effectively reduced, the dust control system is formed, and at the same time, the visibility of the working face is improved.

The invention discloses a fixed filler bed aeration stripping system used for removing groundwater carbon tetrachloride. The system comprises an aeration stripping pool, a fixed filler bed and an aeration system, wherein the multi-layer fixed filler bed is arranged inside the aeration stripping pool, and the aeration system is arranged at the bottom of the aeration stripping pool; the aeration system adopts a microporous aeration disk, and is connected with an external gas source through a gas inlet; a mechanical exhaust system and a tail gas collecting device are arranged at the top of the aeration stripping pool; a water inlet and a water outlet are respectively formed in the upper part and the lower part of the side wall of the aeration stripping pool; the fixed filler bed adopts reducing substance filler loaded with iron particles. The invention also discloses a method for removing groundwater carbon tetrachloride by using the system. The method comprises the following steps: enabling raw water to enter the aeration stripping pool from the upper part; adjusting the gas water ratio and aeration intensity; determining the aeration rate; stripping carbon tetrachloride; collecting the carbon tetrachloride for processing; enabling processed water to enter a clean water reservoir, disinfecting the water, and discharging the water. According to the invention, the carbon tetrachloride removal effect can be improved by 20%, the construction and operation cost is low, and the water quality meets the national standard.

The invention discloses a sewage biological denitrifying device and process. The device includes a monitoring device as well as a homogeneous adjusting tank, a denitrifying system, a nitrifying pool and a secondary sedimentation tank all connected with one another in sequence through pipelines; the homogeneous adjusting tank is connected with an acid-base adding system; the denitrifying system includes a first-level denitrifying pool and a second-level denitrifying pool, both of which are connected in sequence through pipelines; the second-level denitrifying pool is connected with a silicon source adding system; the monitoring device includes a PLC and a display. The sewage biological denitrifying process includes the following steps: the sewage is mixed with a return fluid after the pH value of the sewage is adjusted, and denitrifying bacteria denitrify the nitrate nitrogen in the return fluid by utilizing organic carbon sources in the sewage; organic carbon sources are added to the mixed liquor, and the denitrifying bacteria use the additionally added organic carbon sources to completely remove the nitrate nitrogen in the mixed liquor; the nitrifying bacteria oxidize the ammonia nitrogen in the mixed liquor into nitrate nitrogen; the mixed liquor partially flows back to be subjected to denitrification treatment; the sludge and water in the mixed liquor are separated through precipitation, and then the clean water is discharged. According to the invention, the silicon sources that are required to be additionally added are not needed, and the economic cost is reduced.

The invention relates to a multi-pipe air inlet air mixing cabin which comprises a shell, an indoor air inlet pipe set, an outdoor air inlet pipe set and down draught preventing valve plates. An air mixing region and a mixed air outlet are formed in the shell, holes allowing indoor air inlet pipes and outdoor air inlet pipes to be inserted are formed in the shell, the indoor air inlet pipe set comprises the indoor air inlet pipes, the outdoor air inlet pipe set comprises the outdoor air inlet pipes, one end of each indoor air inlet pipe and one end of each outdoor air inlet pipe are arranged in the air mixing region, the other end of the corresponding indoor air inlet pipe and the other end of the corresponding outdoor air inlet pipe are arranged outside the shell, all the ends, in the air mixing region, of the indoor air inlet pipes and all the ends, in the air mixing region, of the outdoor air inlet pipes are provided with the down draught preventing valve plates, the down draught preventing valve plates are connected and fixed to the indoor air inlet pipes and the outdoor air inlet pipes through hinges, and the hinges are located in the centers of openings of the indoor air inlet pipes and the centers of openings of the outdoor air inlet pipes. Air inlet amount is disintegrated through multi-pipe air inlet, and control over air mixing proportions and air mixing temperature is facilitated; the problems of air leakage and down draught can be solved through the tiny air inlets and the down draught preventing valve plates.

The invention provides a postprocessing method for production of butyl rubber. The postprocessing method for the production of the butyl rubber includes following steps: a) sequentially performing vibration dewatering, extrusion dewatering and pre-expansion drying on rubber particle water so as to obtain a rubber material after being processed; b) using a double screw expansion drying machine forperforming dewatering and drying on the obtained rubber material after being obtained and processed in the step a) at temperature of 100 DEG C-130 DEG C and under pressure of 15bar-110bar, performingthree-stage drying and temperature reduction when the rubber material enters a fluidized bed after flash evaporation is completed, and obtaining a rubber material containing water below 0.3%, whereinthe double screw expansion drying machine uses high pressure inert gas as a conveying medium, and temperature in the three-stage drying and temperature reduction is respectively 80 DEG C-90 DEG C, 80DEG C-90 DEG C and 40-55 DEG C; and c) after pressing the rubber material, containing the water below 0.3%, obtained in the step b), into blocks, packing the blocks, and then obtaining the butyl rubber product. The postprocessing method for the production of the butyl rubber adopts specific steps, conditions and parameters, realizes good interaction, reduces temperature of the rubber material on the premise of reducing water content of the rubber material, and then reduces running temperature of the fluidized bed on a following route, thereby improving production capacity of a drying line.

The invention belongs to the technical field of air separation, and particularly relates to a portable oxygen production and air supply device and method. According to the oxygen production and air supply device, a pulse air supply method is adopted, the oxygen supply flow in unit breathing frequency can be changed along with the change of the breathing frequency, but the total oxygen supply amount in unit time is still maintained; along with the change of the breathing frequency, the air supply amount of each time of breathing is synchronously changed, the phenomena of 'air cut-off ' and 'no or insufficient supply' are avoided, and the air supply experience feeling is good; moreover, although the air supply flow in the unit breathing frequency is small along with the increase of the breathing frequency, the total air supply amount still maintains the original air supply flow, so that the oxyhemoglobin saturation can be effectively maintained; moreover, when the air supply breathing frequency is reduced, the endurance time is prolonged by changing the operation load of the device; and the device can be safely and continuously used in various environments.

The invention relates to a small and medium sized environment-friendly biomass water heater. A bottom ash chute and bottom air ducts are formed in the bottom of a water heater body; a fire grate and a biomass fuel layer are arranged above the bottom ash chute and the bottom air ducts; combustion tuyeres are formed in an upper part combustion chamber above the biomass fuel layer; the upper surface of the upper part combustion chamber is connected with a combustion chamber outlet; the volume of air led into the biomass fuel layer from the bottom air ducts is 30 to 50 percent of the volume of air required for complete combustion; other air is fed into the upper part combustion chamber from the combustion tuyeres; the water heater ensures that the biomass fuel layer realizes the pyrolysis and gasification of biomass fuel, a large amount of combustible gas is separated out to be mixed with air fed into the combustion chamber from the combustion tuyeres, combustion is complete, and hot flue gas is emitted out of the water heater from the combustion chamber outlet. Formed NOx in the middle-upper part of the fuel layer can be reduced, so that the water heater shows excellent low NOx emission performance, heat release of the upper combustion chamber in the water heater is obviously increased, the temperature in the water heater is more uniform, the fuel layer temperature of fire grate is reduced, and NOx low emission is realized.

The invention relates to a method for producing an organic fertilizer by using municipal sludge. The method comprises the following steps: step 1, conditioning to stir and mix sludge containing 80% ofwater, ferric chloride and plant ash, mixing evenly, then allowing to stand for 2-3 hours, and extruding; and step 2, carrying out high temperature fermentation of the extruded sludge, adding mushroom residues or traditional Chinese medicine residues, introducing into a fermentation tank, stirring, heating, supplying with oxygen, adding fermentation bacteria, fermenting for 16-20 hours, and making the moisture of the material less than 30% to obtain the product.

The invention relates to a water treatment system based on aeration control. The water treatment system at least comprises a biochemical treatment unit and a control unit used for performing aerationcontrol, wherein a plurality of aerators are built in the biochemical treatment unit in a mode of mutually parallel interval arrangement; the aerators are configured into a work mode of capable of rotating around a rotating shaft thereof so as to change the inclination angle with to the ground; under the condition that the inclination angle is reduced, a plurality of first size of bubbles generated by the aerators and other first size of bubbles are mutually blended in a proportion increase mode so as to form a plurality of second size of bubbles; the mutual ratio of the number of the first size of bubbles and the number of the second size of bubbles is increased along with the increase of the inclination angle. The water treatment system has the advantages that the mixed proportion of different sizes of bubbles is regulated by changing the inclination angle of the aerators; fillers can be maintained at the set fluidization movement speed; meanwhile, the sufficient dissolved oxygen isprovided for microbial growth.

The invention discloses a magnetism-gas mixed hybrid bearing and an installation method thereof, and aims to solve the technical problems of lower bearing capacity and dynamic rigidity of a magnetic bearing in the prior art and narrower application working condition of a magnetism-gas mixed bearing. The magnetism-gas mixed hybrid bearing is mounted on a rotating shaft, and comprises an inner magnetic pole sleeving the rotating shaft; the inner magnetic pole is arranged in an outer magnetic pole through a repulsion gap; a throttling hole penetrating in the radial direction is formed in the outer peripheral surface of the outer magnetic pole; the cross section of the inner peripheral surface of the outer magnetic pole is olive-shaped, or a dynamic-pressure generation groove is formed in theinner peripheral surface of the outer magnetic pole; the outer magnetic pole is matched and connected with a bearing tool; the bearing tool is provided with a gas supply hole whose one end is connected with the throttling hole; and the other end of the air supply hole is connected with an external gas source. The magnetism-gas mixed hybrid bearing synthesizes the advantages of a magnetic bearing,a static-pressure gas bearing and a dynamic-pressure gas bearing, achieves excellent stable-state and instant-state performances, and in addition, improves the adaptability to multi-directional load working conditions through application a spherical bearing.

The sewing machine of the invention comprises: a bottom portion, a oil pan arranged under this bottom, a rotary shuttle arranged in the interior of the bottom portion, a shuttle axis connects to the rotary shuttle by end, a shuttle axis supporting portion which can support rotatablely the shuttle axis arranged in the interior of the bottom portion, as well as a blower that is used to cool the shuttle axle, the blower is characterized by being provided with an opening portion formed on the wall of the oil pan described, and a blower, the form of which is used to jam the opening portion arranged upon the oil pan, the blower is utilized to blow to the shuttle axis supporting portion of the bottom portion.