33results about How to "Improve automatic control ability" patented technology

The invention relates to an industrial automatic production method of sludge dry powder by sludge dewatering and equipment thereof. The method realizes industrial automatic production in industrial automatic production equipment of sludge dry powder by sludge dewatering, particularly sludge dewatering machine as main equipment. The sludge of water content below 85 wt% is dewatered to obtain sludge of water content below 5 wt%. The inventive method and equipment realize harmlessness, stabilization and reclamation of sludge dewatering; and can be widely used for dewatering domestic sludge or sediments, industrial sludge or sediments, lake and river course sludge or sediments.

A method and pulverizer for industrially preparing superfine powder is disclosed. Said pulverizer is composed of iron remover, 1-3 large superfine pulverizing units connected serially, classifier for classifying the powder, and packing unit. Its advantages are high productivity (30-40 T / hr), low energy consumption and environment friendly.

The invention relates to industrial automation production equipment and a production method which are used for lignite-drying and quality-improving moulding. The industrial automation production equipment mainly comprises a belt deironing conveyor, a belt conveyor, a coarse grinding machine, a classifying screen, a hoisting machine, main equipment 1-3-stage fine drying machine, a wet-type separating and aggregating device and a dust-removing purifying chamber, wherein a fine lignite dry powder storage silo and a moulding machine are successively arranged and connected in a technological process; and the lignite is converted into briquette, wherein the original all water of lignite is reduced to less than 10wt% from less than 65wt% by virtue of the 1-3-stage fine drying machine, hydrophilicity which is smooth outside and coarse inside and is compact outside and loose inside is changed into hydrophobicity, and surface property is converted into the property similar to excellent bituminite. The equipment provided by the invention has unique and novel structure, high drying efficiency and low cost; a product is difficult to absorb water, spontaneous combustion and heat value are greatly improved, and the problems of weathering, spontaneous combustion, transportation, storage, great investment and high cost are comprehensively solved. The equipment and method provided by the invention can be widely applied to lignite dehydration moulding in power plants at home and aboard and other boilers, and the equipment provided by the invention is dehydration drying and quality improving technical equipment of a new generation.

The invention belongs to a pressure-swing adsorbent regeneration control device and a control method thereof. The pressure-swing adsorbent regeneration control device comprises a multi-medium air inlet device, a flushing device, an emptying device and a control system, wherein the multi-medium air inlet device comprises a nitrogen inlet, a hydrogen inlet and a qualified purified gas inlet; the flushing device comprises a nitrogen buffer tank, a hydrogen buffer tank and a qualified purified gas buffer tank; the emptying device comprises a vacuum pump and an emptying main pipe, and the vacuum pump is connected with the emptying main pipe through a pipeline; the control system comprises a model predictive controller, a DCS master control card and a DCS database. The pressure-swing adsorbent regeneration control device has the advantages of being reasonable in design, diversified in adsorbent regeneration way, high in automatic control capability, large in quantity of recycle of effective gas, high in energy conservation and emission reduction, and suitable for large scale production.

The invention relates to a movable intelligent precision farming system, and belongs to the technical field of agricultural equipment. The movable intelligent precision farming system comprises soil measurement equipment, fertilizer distribution equipment, mobile equipment, multimedia equipment and intelligent foliage spraying equipment, wherein the soil measurement equipment, the fertilizer distribution equipment and the intelligent foliage spraying equipment are arranged on the mobile equipment; the soil measurement equipment is a soil nutrient detection spectrum instrument; the fertilizer distribution equipment comprises a fertilizer distribution controller; and the soil nutrient detection spectrum instrument and the fertilizer distribution controller carry out real-time communication through an RS485 communication interface. According to the movable intelligent precision farming system, fertilizers are reasonably matched and used in optimal nutrient combination manner and ratio correspondingly to specific crops at different growth periods of the same crop, so that the maximal benefits are reached with the minimal investment; the pollution to soil caused by the fertilizers is reduced to the maximal extent; the crops are good in mouthfeel, and high in economic benefits; scientific agricultural production is realized; the disease resistance rate and the insect resistance of the crops are reduced; and the dosage of a pesticide for poison is reduced.

The invention discloses a reed combine harvester automatic wrist-cutting and bundling apparatus comprising a reed rod collection cabin, a hydraulic driving system and an automatic bundling device. Two sides of the reed rod collection cabin are respectively provided with three pairs of hydraulic bearing rods; disc type bundling device semi-rings, semi-circular auxiliary work benches driven by piston rods and corresponding disc type cutters; and all hydraulic bearing rods, piston rods and the disc type cutters are driven by the hydraulic driving system. The automatic bundling device is a disc type bundling device. The disc type bundling device is formed by a main body, two auxiliary semi-rings, a bundling disc and a rotating shaft, wherein the rotating shaft of the bundling disc is driven by a motor and can forward and backward rotate via a control signal; a torque sensor is mounted on the rotating shaft to maintain constant torque. In the automatic bundling device, sensors, a hydraulic system, a tooth-shaped press plate, a heating device and a bundling belt cutter are employed; the bundling belt can be firmly bonded and knot-tying can be replaced; and automation can be realized.

The invention discloses a method for measuring an SBS content in SBS modified asphalts by virtue of a dynamic shear rheometer (DSR). The method is carried out according to the following steps: configuring a series of modified asphalts with different SBS admixture amounts and a standard SBS content, and carrying out an RTFOT ageing experiment; then carrying out a repeated creep recovery experiment by virtue of the DSR to form a creep recovery graph; calculating the average value Jnr@sigma of a plurality of circulating unrecoverable creep compliances of the modified asphalt RTFOT ageing samples with the various SBS admixture amounts, and the average value Rec@sigma of elastic recovery rates; drawing a Jnr@sigma content curve and a Rec@sigma-SBS content curve; carrying out the RTFOT ageing experiment and the repeated creep recovery experiment on the SBS content to be measured to obtain the unrecoverable creep compliances Jnr@sigma and the elastic recovery rates Rec@sigma of the test samples; and reading the SBS contents CJ and CR on the content curves, wherein the SBS content of the test samples is (CJ+CR) / 2. The method is simple to operate, high in applicability, and accurate and reliable in test result.

The utility model relates to a general fire resistance test device of a wall, column and frame joint structure, which relates to a general fire resistance test device. The invention is used to conveniently study the fire-resistant performance and damage mechanism of the wall, column and frame joints under high temperature, guide the design of the building structure, and improve the fire-resistant ability of the building structure. Three fixed surfaces and one movable surface form a four-prism furnace body; the jack is installed on the lower end surface of the middle beam, and the furnace body is set Inside the frame, the frame body can apply loads and constraints to the wall, column, and frame joints. There are holes reserved for the furnace wall in the middle of each fixed surface and movable surface, and several integrated Type burners, the oil pipelines are respectively connected with each integrated burner, and a flue exhaust duct is arranged at the bottom of the furnace body. The invention has the characteristics of easy manufacture, good economy, strong versatility, etc., and is suitable for the research on the fire resistance performance of building structures under high temperature.