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37results about How to "Exhaust clean" patented technology

Fire product test device

The invention relates to a fire product test device. According to the fire product test device, a motor-driven pressure test pump provides a pressure water source so that water can be supplied to an air pressure tank, a water source with the stable pressure is provided for a test device under the action of compressed air in the air pressure tank, and therefore the requirement for conducting slow pressure boosting and stabilizing on a fire product sample to be verified is met; the air pressure tank has the energy storage function and is connected with a plurality of connectors and digital pressure gauges or pressure gauges with electric contacts through a multi-path water flow diversion connectors, and therefore the requirements for multi-connector water supply and pressure control can be met; the air pressure tank is connected with the fire product sample through a hydraulic quick connector, a pipe screwed joint and tool clamps different from one another, and therefore the requirements of tests for products of various types and specifications can be met, and multiple samples can be tested at the same time or a single sample can be tested through control conducted by a water flow control valve. The fire product test device can be suitable for detecting the sealing performance and the water pressure resistance strength of various types of fire products, and is more accurate in detected data and safer to use.
Owner:张代基

Hydraulic system automatic exhausting device and method for electro-hydraulic brake test bed

The invention belongs to a brake hydraulic pipeline exhausting method and particularly relates to a hydraulic system automatic exhausting device and method for an electro-hydraulic brake test bed. Thedevice comprises a front brake wheel cylinder, a test bed body, a transparent hose, a rear brake wheel cylinder, a vehicle electronic stabilization system, a brake master cylinder, a liquid storage pot, an electronic mechanical brake booster, a support, a brake pedal, an adjustable seat, a signal acquisition and transmission platform, a PC, brake master cylinder hydraulic pipelines, two-positiontwo-way solenoid valves, caliper disk brakes and brake wheel cylinder hydraulic pipelines. The device automatically judges the exhausting completion moment through recognition processing according tothe state, acquired by cameras, of brake fluid discharged from the transparent hose, controls rotation of a motor through an ECU of the mechanical brake booster to achieve operations of treadling a pedal and loosening the pedal by simulating a person. The device can be more accurate, efficient, convenient and thorough in automatic exhausting control. The problems that time and labor are wasted, exhausting is incomplete and brake fluid corrodes operators can be solved.
Owner:JILIN UNIV

Radiator performance wind tunnel test device capable of simulating multiphase flow air inlet environment

The invention discloses a radiator performance wind tunnel test device capable of simulating a multiphase flow air inlet environment, which belongs to the technical field of radiator performance testdevices. The test device provided by the invention comprises a sand and dust generation device, a rain generation device, an upstream section, a radiator, a hot side circulation system, a downstream section, a separation and recovery section, an induced draft fan and a measurement controller. Performance wind tunnel tests of radiators in sand and dust environments with different sand and dust concentrations and different sand grain temperatures, performance wind tunnel tests of radiators in rain environments with different rainfall amounts and different raindrop temperatures and performance wind tunnel tests of radiators in sand and dust and rain composite environments can be carried out, and meanwhile, performance wind tunnel tests of radiators in conventional natural environments can becarried out, so that the applicability is wide; the parameter range of test conditions is large, and the test function is broadened; sand grains and water can be recycled, and the economical efficiency is high; air exhaust is thorough, and feasibility is high; the structure is compact, and the occupied area is saved.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Powder workshop warehouse roof deduster based on multiple-times continuous filtering principles

The invention discloses a powder workshop warehouse roof deduster based on multiple-times continuous filtering principles. The powder workshop warehouse roof deduster based on multiple-times continuous filtering principles comprises a drying device, a support, a sealed box, a water collection tank, and a electrostatic filtering device; the sealed box is arranged on the top end of the support; the water collection tank is arranged on the top end of the sealed box; the bottom end of one side of the sealed box is fixedly provided with a gas inlet pipe; the gas inlet pipe is provided with a blower fan; the other side of the sealed box is provided with a side door; the side door is provided with a handle; one end of the sealed box is fixedly provided with a ladder. According to the powder workshop warehouse roof deduster, the powder workshop warehouse roof deduster is provided with a filtering cavity, a semi-permeable membrane filter screen, and the water collection tank, so that gas is subjected to primary filtering before entering the filtering cavity, is subjected to secondary filtering through the semi-permeable membrane filter screen, and at last is subjected to a last time of filtering through the water collection tank; repeated filtering is adopted, so that powder filtering effect is excellent.
Owner:江苏同正机械制造有限公司

Piston assembly for novel engine and novel engine

The invention relates to the technical field of engines, in particular to a piston assembly for a novel engine and the novel engine. The piston assembly comprises a piston and a variable hollow air valve, wherein a cross-shaped supporting frame is arranged in the middle of the piston, an air valve through hole is formed in the middle of the cross-shaped supporting frame, a plurality of matching lugs are arranged on the cross-shaped supporting frame, a valve seat is arranged at the position, between the piston and the end matching with the variable hollow air valve, of the piston, the variablehollow air valve comprises a hollow air valve body and a valve rod, a first annular groove is formed in the middle of the hollow air valve body and provided with a plurality of first deflation throughholes, a second annular groove is formed in the middle of the first annular groove, a plurality of matching through holes are formed in the second annular groove, the plurality of matching lugs penetrate through the plurality of matching through holes and are provided with a circle center valve seat, and a hollow plugging circular ring is further arranged on the first annular groove. The piston assembly for the novel engine and the novel engine have the advantages that exhaust is cleaner, mechanical friction is reduced, an intake valve is controlled in time, the compression ratio is variable,the heat efficiency and power are improved, and a two-stroke linear internal combustion engine exhaust Atkinson technology is used.
Owner:王芳华

Oil fume treatment device

The invention discloses an oil fume treatment device. The oil fume treatment device comprises a machine shell, a water circulation system and a fume exhaust system. Fume inlet plates are movably connected to the front end of the machine shell. Filter plates are correspondingly arranged at the inner sides of the fume inlet plates. The filter plates are fixedly connected with the machine shell through detachable connecting devices. Multiple layers of filter screens are correspondingly arranged at the inner sides of the filter plates. Spray pipes are correspondingly arranged above the multiple layers of filter screens, wherein the spray pipes are matched with the filter screens in length. Each spray pipe is provided with multiple spray holes. A water circulation device comprises a water tank,a water delivery pipe and a drainage tank. The water delivery pipe is connected with a water pump and communicates with the spray pipes. The drainage tank is located at the lower end of the machine shell, arranged below the multiple layers of filter screens in a carrying manner and connected with a drainage pipe. The drainage pipe communicates with the water tank. By means of the oil fume treatment device, oil fume can be purified, and air quality can be improved; cyclic utilization of water resources can be achieved, and the room temperature can be lowered; and the oil fume treatment deviceis convenient to mount, applicable to multiple types of occasions and wide in market prospect.
Owner:温州宇琼科技有限公司

A liquid air refrigeration power generation device for a data center and its working method

The invention discloses a liquid air refrigeration power generation device for a data center, and a working method. The liquid air working medium refrigeration power generation device for the data center comprises an ultralow-temperature liquid storage tank, a high-pressure and ultralow-temperature liquid pump, a high-pressure and ultralow-temperature pipeline, a jet flow drainage apparatus, a low-temperature heat exchanger, a low-temperature and high-pressure gas pipeline, a gas mixing drainage apparatus, a temperature-rising, pressure-increasing and entropy-compensating heat exchanger consisting of a gas expansion section, a medium-temperature heat exchanger and a gas contraction section, a normal-temperature working gas pipeline, a gas turbine input valve, a working gas path, a gas turbine, a generator, an exhaust gas path, a gas turbine output valve, a gas return pipeline, a refrigeration water return input pipeline, a low-and-medium-temperature heat exchanger connection pipeline, a refrigeration water return output pipeline, an after-gas discharging opening, a liquid gas injection opening, an overhaul short circuit pipeline, an overhaul short circuit gas valve and a drainage gas return pipeline. According to the liquid air refrigeration power generation device for the data center, the refrigeration unit purchase cost and the backup generator set purchase cost can be reduced; due to modes of reduction of the power consumption of a refrigeration unit in the data center, auto-using power generated by the low-temperature generator set and the like, the power consumption of the data center is greatly reduced.
Owner:苟仲武

Constant-volume electric control combustion coupling meshing engine

The long-term constraint on the design structure principle of an internal combustion engine transmission conversion mechanism is broken through, two sets of pistons, gears and racks are symmetrically arranged to form linkage assemblies, the two linkage assemblies form a coupling relation with the 90-degree phase difference, and the two coupling assemblies alternately do work and are overlapped for shift connection. The racks which are disengaged during operation of the mechanism are thoroughly separated from a load, and the racks are clamped at the corresponding positions of piston stop points under the cooperation of the gears and lock a re-entering tooth entry point; and the disengaged gears are driven by the coupling assemblies, rotate to the entry point along a set restriction track of the racks, and are integrated to be engaged again. Through locking of the racks, constant-volume combustion, constant-volume interval computer tracking and timely ignition are created, and coupling meshing with synchronous rack speed is achieved. According to an improved internal combustion engine, the alternating side pressure of a crankshaft dead point and the pistons on the pipe wall is eliminated, loss is reduced, vibration is reduced, the conversion efficiency of working medium gas is improved, combustion is thorough, pollution is reduced, the environment is protected, and power and performance are greatly improved.
Owner:黄明武

A wind tunnel test device for radiator performance that can simulate multiphase flow into the wind environment

The invention discloses a radiator performance wind tunnel test device capable of simulating a multiphase flow inlet wind environment, and belongs to the technical field of radiator performance test devices. The test device proposed by the present invention includes a sand dust generating device, a rain generating device, an upstream section, a radiator, a hot side circulation system, a downstream section, a separation and recovery section, an induced draft fan, and a measurement controller. The invention can carry out wind tunnel tests on the performance of radiators in sand-dust environments with different sand-dust concentrations and different sand grain temperatures, wind tunnel tests on the performance of radiators in rain-drenched environments with different amounts of rain and different raindrop temperatures, and the performance of radiators in sand-dust-rain composite environments The wind tunnel test can also be used for conventional natural environment radiator performance wind tunnel tests, with wide applicability; the parameter range of the test conditions is large, which broadens the test function; sand and water can be recycled, and the economy is high; the exhaust is clean , high feasibility; compact structure, saving floor space.
Owner:BEIJING INSTITUTE OF TECHNOLOGYGY

Kitchen garbage heat pump drying and MVR concentration treatment device and process

The invention discloses a kitchen waste heat pump drying and MVR concentration treatment device which comprises a kitchen waste heat pump low-temperature multi-effect drying system, a garbage leachate steam mechanical compression concentration system, a presser and a stock solution pool. A heat pump technology is adopted for low-temperature drying design of kitchen garbage, multiple-effect energy saving such as sensible heat recovery, first-stage surface cooling, second-stage surface cooling, first-stage condensation, second-stage condensation and an energy-saving heat exchanger is arranged, a unit can efficiently circulate, and garbage leachate is concentrated by using a mechanical vapor recompression (MVR) technology. Compared with a traditional kitchen waste treatment process, the water content of the kitchen waste can be greatly reduced, the energy consumption level is obviously reduced, and clean exhaust and drainage can be achieved. According to the research result, a kitchen waste comprehensive treatment technology which is efficient, energy-saving, ecological, environment-friendly, economical and feasible is provided, and a direction and an implementation way can be provided for recycling, harmlessness, stabilization and energy utilization of the kitchen waste.
Owner:JIMEI UNIV

A warehouse top dust collector for powder workshop based on the principle of multiple continuous filtration

The invention discloses a powder workshop warehouse roof deduster based on multiple-times continuous filtering principles. The powder workshop warehouse roof deduster based on multiple-times continuous filtering principles comprises a drying device, a support, a sealed box, a water collection tank, and a electrostatic filtering device; the sealed box is arranged on the top end of the support; the water collection tank is arranged on the top end of the sealed box; the bottom end of one side of the sealed box is fixedly provided with a gas inlet pipe; the gas inlet pipe is provided with a blower fan; the other side of the sealed box is provided with a side door; the side door is provided with a handle; one end of the sealed box is fixedly provided with a ladder. According to the powder workshop warehouse roof deduster, the powder workshop warehouse roof deduster is provided with a filtering cavity, a semi-permeable membrane filter screen, and the water collection tank, so that gas is subjected to primary filtering before entering the filtering cavity, is subjected to secondary filtering through the semi-permeable membrane filter screen, and at last is subjected to a last time of filtering through the water collection tank; repeated filtering is adopted, so that powder filtering effect is excellent.
Owner:盐城鑫越智能装备有限公司

Fuel supply system

The invention discloses a fuel supply system which comprises a pure hydrogen storage container, a pure oxygen storage container, a first pressure regulator, a second pressure regulator, an engine combustion chamber, a power generator, a storage battery, a hydrogen / oxygen fuel battery, a water storage tank, an electrolytic bath, an exchange film, a first pressurizer and a second pressurizer, wherein the pure hydrogen storage container is used for storing and supplementing pure hydrogen; the pure oxygen storage container is used for storing and supplementing pure oxygen; the first pressure regulator is used for regulating the pressure and the flow of output pure hydrogen and pure oxygen; the second pressure regulator is used for regulating the pressure and the flow of output pure hydrogen and pure oxygen; the engine combustion chamber is used for receiving pure hydrogen and pure oxygen and igniting so as to combust to generate the power; the hydrogen / oxygen fuel battery is used for receiving pure hydrogen and pure oxygen so as to generate chemical reaction to generate the power; the exchange film is used for separating and purifying hydrogen and oxygen generated by the electrolytic bath into pure hydrogen and pure oxygen; the first pressurizer is used for conveying separated and purified pure oxygen to the pure oxygen storage container to be stored up; and the second pressurizer is used for conveying separated and purified pure hydrogen to the pure hydrogen storage container to be stored up. The fuel supply system has the advantages of diverse fuel, clean gas discharge, low noise, little environment pollution, high reliability and the like, and is easy to maintain.
Owner:陈温乐
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