79results about How to "Lower working environment" patented technology

The invention relates to a high power LED bulb, which comprises a connector for being connected with an illuminating lamp interface, an LED constant-current driving device, a radiator, an LED light source, a bulb cover and a circuit board, wherein the connector is provided with a cavity, and the LED constant-current driving device is fixed in the cavity; the radiator is a ceramic radiator with an annular radiating fin, and the upper part of the connector is fixedly connected with the lower part of the radiator; the circuit board is an aluminum-based circuit board, and the LED light source is fixed on the circuit board; and the circuit board is fixed at the top end of the radiator, the bulb cover is arranged above the radiator, and the lower part of the bulb cover is fixedly connected with the radiator. The high power LED bulb has the advantages of high luminescent efficiency, good heat dissipation effect, low cost, simple production and reliable performance.

The invention discloses a manufacturing method of glucose, comprising the following steps of: (1) liquefying starch: by taking starch as the raw material, liquefying under the action of a liquefying enzyme after size mixing, and then, a glucose saccharified liquid under the action of a saccharifying enzyme; (2) filtering and decontaminating the saccharified liquid by a membrane filtering unit to obtain filtrate, wherein a filtering membrane has the aperture of 1-200nm or the molecular weight cut-off of 10-500kd; (3) carrying out continuous ion exchange on the filtrate by using a moving bed, removing salts to obtain a purified liquid; and (4) filtering the purified liquid by using a nanofiltering membrane to obtain pharmaceutical-grade glucose, wherein a concentrated solution is used for producing daily chemical alcohol or polysaccharose products. Continuous production is adopted in the manufacturing method, and therefore, the production efficiency is high.

The invention discloses a method of cleaning a flue wall of an anode baking furnace and a device. The method includes the steps of feeding a rotating plate with a wire brush fixed thereon in the flue wall of the anode baking furnace; pushing the rotating plate towards the flue wall by a push device which is connected with the rotating plate, so that the wire bush on the rotating plate comes into close contact with the flue wall; and cleaning the flue wall through rotary friction between the wire bush on the rotating plate and the flue wall. By adopting the method of the invention, the operation requires no entry into the baking furnace when a worker clean the flue wall; the operation can be done when the worker just stands on the furnace surface of a multifunctional crown block, thus greatly reducing the heavy physical labor when the worker clean the flue wall, improving the working environment and the labor intensity of the worker, and at the same time shortening shut-down time of the baking furnace and improving the production efficiency; the cleaning quality is remarkably improved, thus prolonging service life of the baking furnace and reducing maintenance expense of the baking furnace.

The invention provides a permanent magnet driver. A power disc and a load disc are made of insulating diamagnetic materials or made by combining the insulating diamagnetic materials and materials with other physical properties and are respectively provided with permanent magnets, and the purpose of transmitting torque is realized through using magnetizers to emit magnetic field waves and combining a magnetic focusing effect and the Li's pull and push magnetic circuit theory. The purposes of torque adjustment and speed changing are realized by adjusting the distance between the power disc and the load disc or adjusting the coupling position of the relative magnetic field of the power disc and the load disc, and the main purposes of saving energy and reducing consumption are further realized.

The invention belongs to the technical field of dyes, and particularly relates to a preparation method of a cationic blue dye. According to the invention, a compound II is used as a diazonium component and a compound I is used as a coupling component for synthesizing the cationic blue dye for the first time; and the method has the advantages of simple process, environmental friendliness, high product purity, high yield and the like. The results of multiple production experiments with scales not below pilot tests show that mother liquor (such as mother liquor in steps 2, 3 and 4) in the reaction process can be cyclically used 6-8 times without treatment, so the amount of high-salt, high-COD and high-chroma wastewater is greatly reduced, a working environment is effectively improved while product yield is further increased and reaction reagent cost is saved, and the product still keeps high purity; and thus, product quality is guaranteed, production cost is reduced, and obvious economicbenefits, social benefits and environmental benefits are produced.

The invention discloses a cable antitheft monitoring system, which comprises a power supply, a monitoring device, a signal processing device and a feedback warning device, wherein the power supply is respectively connected with the monitoring device, the signal processing device and the feedback warning device, the output end of the monitoring device is conveyed to the input end of the signal processing device, the output end of the signal processing device is connected to the feedback warning device, and the feedback warning device is connected with a processing terminal through a wireless network. The cable antitheft monitoring system realizes the in-site and remote-distance cable antitheft monitoring, the safety factor and the work efficiency are improved, in addition, a camera can also record the real-time condition around the cable, other objects are prevented from being stolen, and the production and living safety of surrounding people is improved. The cable antitheft monitoring system is simple, reliable, economic and applicable, and is worthy of being popularized and used.

Provided is a chromium-free passivator. The chromium-free passivator comprises a rare earth metal salt A, a corrosion inhibitor, a rare earth metal salt B, a metal salt, aqueous acrylic resin, a coalescing agent A, a complexing agent, a coalescing agent B, cellulose ethers and deionized water. The chromium-free passivator has higher corrosion resistance, and the corrosion resistance of a base material is enhanced by enhancing the performance of a passivation film, so that the salt spray test time of the base material can be effectively prolonged to be 72-168 h. An agent prepared from the chromium-free passivator is not volatile and free of any toxic substances, heavy metals, organic pollutants and irritating odors, no harm is caused to the human body, emissions does not pollute the environment, the consumption is small, the use amount of the agent can be reduced, the working environment of operation staff can be effectively improved, and the instruction requirements of the European Union WEEE RoHS can be effectively met. The chromium-free passivator can be contained in a container made of stainless steel, PVC or the like, and is more convenient to use.

The invention discloses an electric braking electromechanical drive architecture for an aircraft and a braking force control method. Each electromechanical driver in a driving control architecture isrespectively connected with an electromechanical actuator on each machine wheel brake apparatus, and simultaneously receives a left machine wheel braking integrated instruction and a right machine wheel braking integrated instruction from a first braking control and monitoring unit and a second braking control and monitoring unit. Each main wheel remote data concentrator mounted on each undercarriage wheel axle transfers the generated signal to the first braking control and monitoring unit or the second braking control and monitoring unit on the same side of the aircraft. According to the electric braking electromechanical drive architecture disclosed by the invention, the performance of a braking system can be ensured to the greatest degree in a multi-failure state of the aircraft, the drive architecture has extremely high safety, respectively and independently controlled redundancy advantages of multiple electromechanical actuators in the braking system are fully achieved, failure isolation and redundancy management abilities of the aircraft electromechanical braking system and the system reconstruction capability in a failure state are improved, the fault tolerance and mission reliability are enhanced, and the aircraft braking safety is ensured.

The invention discloses a ventilation device for a ship, and relates to the technical field of shipping equipment. The ventilation device for the ship comprises a special coating pipe, wherein the inner wall of the special coating pipe is subjected to a special coating technology; the inner diameter of the special coating pipe is 300-450 mm; the top of the special coating pipe is provided with a spark arrester. The ventilation device for the ship disclosed by the invention has the advantages that the technological steps for fabrication are reduced due to being free from the special coating technology, the severe working environment is reduced, the weight is reduced due to the reduction of a diameter, the difficulty in installation is lowered, the type is simple, the fabrication is easy, and the cost is lowered.

The invention discloses a tire rolling resistance coefficient measuring and testing device which comprises a flat road surface template to be in contact with a test tire, a workbench used for settingthe road surface template, and a tire loading device, wherein a surface of the road surface template is provided with an adhesion layer which is consistent with an actual road surface in terms of material; the road surface template is used for setting the road surface model, and the workbench is connected to a template driving device for driving the workbench to move via a tension and pressure sensor; the tire loading device for setting the test tire and applying predetermined positive pressure thereto to press the test tire tightly against the road surface model. A surface of the tire rollingresistance coefficient measuring and testing device is provided with the adhesion layer which is consistent with an actual road surface in terms of material, an actual rolling resistance coefficientof the tire on an actual road surface can be measured, and realistic and reliable measurement results can be obtained. Further, the tension and pressure sensor is cheaper than a conventional sensor for a wheel axle; the testing device is simple in structure and low in requirements for working environment and structural precision and therefore is low in cost.

The invention relates to a cleaning device for a direct air-cooling condenser. The cleaning device comprises a horizontal water pipe reel assembly and a vertical water pipe reel assembly, wherein a rubber pipe connected with a high-pressure pump is connected with a water inlet end of an electric reel shaft of the horizontal water pipe reel assembly; one end of the rubber pipe coiled on an electric reel cylinder is inserted into a radial water outlet of the electric reel shaft; a lead-out part passes through a swing type water pipe guiding device and a through type water pipe guiding device, and one end of the lead-out part is connected with the water inlet end of a passive reel shaft of the vertical water pipe reel assembly; and one end of a rubber pipe coiled on a passive reel cylinder is inserted into a radial water outlet of the passive reel shaft, and one end of a lead-out part of the rubber pipe is connected with a water inlet pipe on a horizontal pipe in an nozzle frame. The cleaning device can improve the stability and uniformity of cleaning, improve the cleaning effect obviously and save water sources, so the cleaning device is particularly important for areas where water resources are deficient; and operators can remotely control cleaning, so the operating environment of the operators is improved and the labor strength of the operators is reduced.

The invention relates to the technical field of dust collector, and in particular, relates to a high-efficiency energy-saving vortex spray-condensation type electric bag composite dust collector usedin high-polluting industries; the composite dust collector includes at least three levels of dust collectors for dedusting treatment of various discharged gases with impurities and dust, the three levels of dust collectors comprise a first-level dust collector for spray-condensation, baffle and vibration type dedusting, a second-level dust collector for vortex electrostatic vibrating-beating dedusting, and a third-level dust collector for cloth bag dust-scraping dedusting; the composite dust collector has the advantages of simple structure, convenient operation, thorough dedusting, energy saving, environmental protection, high adaptability and the like.

The invention discloses a dehydrating agent used after plating. The dehydrating agent is based on organic acid and organic amine reactions, and then is formed by adding a complexing agent, a surfactant and polyalcohol. According to the dehydrating agent, an electroplated workpiece to be processed is soaked into a dehydrating agent working solution prepared by adopting the dehydrating agent, and then the workpiece is taken out after a period of specified processing time, and therefore, the effect of rapidly stripping a water film on the workpiece can be achieved, and the workpiece can be completely separated from water; the water stain of the workpiece subjected to dewatering treatment by using the dehydrating agent is greatly reduced after the workpiece is dried, the working efficiency ofthe whole technological process can be effectively improved, and the quality of the workpiece can be improved; and furthermore, the dehydrating agent does not contain heavy metal, no toxic organic solvent is contained, and the agent does not have the gas which is volatile and has the pungent smell, and therefore, the working environment of the operating staff can be effectively improved, the directive requirements of the European Union WEEE & RoHS are met, stainless steel, PVC and other materials can be used as a container, and the selection range is wide.

The invention relates to an exhausting silencing system of a mute generator unit, in particular to a combination type exhausting silencing system, belonging to technical field of a silencing system for an internal combustion engine. The invention is characterized in that: the combination type silencer comprises a primary silencer and a secondary silencer; wherein, an air outlet pipe of the primary silencer is connected with an air inlet pipe of the secondary silencer by means of a flange; both the primary silencer and the secondary silencer are arranged in a partition bin. A capacity expansion tube section is arranged at an inlet end of the primary silencer; a flexible tube section is arranged in the exhaust tube. The invention has the advantages of increasing total work volume of the silencer, improving silencing result, having flexibility of choosing a plurality of technical proposals, lowering total noise level of the generator set, obviously lowering noise and improving reliability of installing the silencing system.

The invention discloses a method for constructing a sectional cooling system in a blast furnace. The method comprises the following steps: dividing each part of the blast furnace into a single-section or multi-section cooling wall; from the bottom to the top of the blast furnace, connecting every n sections of cooling walls in series to form a first-stage cooling system, making the cooling walls at the middle-lower part of the blast furnace body independent to obtain a new multi-stage cooling system, and constructing an independent cooling system by the cooling walls at the middle-lower part of the blast furnace body; cooling a new multi-stage cooling system by using closed circulating soft water, and cooling an independent cooling system by using industrial water in an open-circuit circulating manner; independently forming an independent cooling system for independent cooling by the cooling wall at the middle-lower part of the furnace body, so that the easily damaged part can be independently regulated and controlled, and a good condition is created for stable and smooth furnace condition of the large blast furnace. According to the scheme, a leakage detection mode is optimized, a water leakage condition of the cooling equipment can be visually detected and judged, the working environment of water conservancy project leakage detection is observed, the labor intensity is reduced, and the work efficiency and safety are improved.

The invention discloses an air guide device and an air conditioner outdoor unit and belongs to the field of air conditioners. The air guide device comprises an air-induction air flue structure. The air-induction air flue structure comprises a retractable elastic structure, an inlet end of the air-induction air flue structure is connected with an air outlet of the air conditioner outdoor unit, andan outlet end of the air-induction air flue structure can be connected with a sill grid of an air conditioner mounting part. The length and bending direction of the air-induction air flue structure can be changed through the retractable elastic structure, and accordingly the outlet end can be installed on the front portion or the top of the side face of the sill grid, so that the air outlet direction of airflow is changed. According to the scheme, by designing the air-induction air flue structure, airflow from the air outlet is discharged from a gap of the sill grid along an air-induction airflue, it is guaranteed that heat exchange air is guided to a sill grid strip along the air-induction air flue and dissipated to the external environment, the surrounding work environment of an outer unit is effectively improved, the phenomenon that since returned air enters a heat exchanger, the heat exchange efficiency is influenced is avoided, and the indoor refrigeration efficiency is improved.

The invention discloses a method and device for protecting the reliability of an electronic device when ionizing particles are bombarded. The method comprises the following steps: S1, calculating theaverage free path of ionizing radiation particles with different energies acting in the electronic device; S2, according to the grade requirement of the radiation protection and the average free pathof the ionizing radiation particles, determining the size and the air pressure value of the gas device required for radiation protection of the electronic device according to the technical node size of the electronic device; S3, placing the electronic device in the gas device and filling neutral gas with preset pressure; S4, reducing the energy flow density of the incident particles by the collision of the incident particles with the neutral gas in the gas device, and protecting the electronic device from damage caused by particle bombardment. Considering that the main external factor of damaging the electronic device is the strength of the ion energy flow, the invention reduces the energy flow density of the incident particles through the arrangement of the gas device and is combined withthe reliability circuit design, thereby protecting the electronic device from the damage caused by the particle bombardment and improving the reliability thereof.

The invention discloses grinding equipment for a honeycomb type fireproof heat-preservation material. The grinding equipment comprises a plurality of pairs of grinding rollers which are arranged up and down, and conveying devices which are arranged on the front sides and the rear sides of the grinding rollers. The invention further discloses a grinding method of the grinding equipment. The grinding method comprises the following steps: placing mutually overlapped honeycomb cores and a fireproof heat-preservation material finished product on the conveying devices, conveying to the grinding rollers through the conveying devices, and grinding the fireproof heat-preservation material finished product into the honeycomb cores. The honeycomb type fireproof heat-preservation material which is prepared by using the grinding equipment disclosed by the invention is relatively good in properties such as fire resistance and heat preservation, simple and effective in grinding method and applicableto large-scale production.

The object of the present invention is to provide a closed powder box for powder supply center, including: powder catcher, powder box cover plate, cylinder, powder box body, vibrating assembly, powder return port, powder filling port, pump seat, guide assembly , control device, powder supply center body and vibration motor, characterized in that: the vibration assembly is arranged in the powder supply center body, the vibration motor is installed at the lower end of the vibration assembly, and the vibration motor and the vibration assembly are connected to each other. The powder box body is arranged on the upper end of the vibrating assembly. The beneficial effect of the present invention is that: the present invention has combined the advantage of open type powder box and old-fashioned airtight powder box, keeps powder box airtight when spraying, does not overflow powder, can directly replace powder box casing when cleaning and changing colors, avoids It solves the problem of color mixing caused by unclean cleaning during color change, which can not only improve the working environment, but also shorten the color change time, improve production efficiency and reduce the work intensity of operators.

The invention discloses a method for calcining high-alumina bauxite in a variable-section tunnel kiln to produce high-quality and low-cost high-alumina bauxite clinker. The method uses high-alumina bauxite homogenized material as raw material, and is calcined in a tunnel kiln with variable cross-section. The total variation of the effective height is 20-40%. Process steps include preheating, calcination and cooling. In the preheating zone, the high alumina bauxite homogenized material is preheated for 8-16 hours, and the temperature is increased to 1450-1750°C. The temperature of the calcined belt is controlled at 1450-1750° C., and the calcined time is 1-5 hours. In the cooling zone, the cold air blasted from the kiln tail cools the calcined material, and the material is cooled to below 100°C and pushed out of the kiln. The invention can improve the quality stability and grade of calcined products, reduce energy consumption, save energy, improve production efficiency and production capacity, have less emission, and are beneficial to environmental protection.

The invention discloses a cleaning vehicle for cleaning welding seams on the inner wall of a steel storage tank. The cleaning vehicle comprises a chassis, the two sides of the chassis are each connected with a set of travelling device capable of driving the chassis to move along the inner wall of the storage tank, and the travelling devices are arranged symmetrically. The chassis is provided with a cleaning device, a dust collection mechanism, a sampling pan-tilt and illuminating lamps, wherein the cleaning device is located in the middle of the chassis and used for cleaning the inner wall of the storage tank; the dust collection mechanism is located on the cleaning object discharging side of the cleaning device and used for collecting cleaning objects; the sampling pan-tilt is located in the position, away from the cleaning object discharging side, of the cleaning device and used for monitoring the cleaned inner wall of the storage tank; and the illuminating lamps are located on the two sides of the sampling pan-tilt correspondingly and used for sampling lighting. According to the cleaning vehicle for cleaning the welding seams on the inner wall of the steel storage tank, workers are replaced with the cleaning vehicle to clean the inner wall of the storage tank, operation is easy, any additional pollution is avoided, and cleaning work is not limited by the height and the size of the storage tank; thus, the working environment of the workers is greatly improved, and the physical health and the life safety of the workers are ensured; and the cleaning efficiency is high, time and effort are saved, expansive large-size cleaning equipment is not needed any more, and a large amount of cost is reduced.