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336 results about "Quality performance" patented technology

Novel sludge brick making technique

The invention discloses a novel sludge brick making technique which comprises the following steps that municipal sludge is subjected to dewatering conditioning and desodoration treatment; heavy metal is controlled; treated sludge pug, clay and an additive are blended to form a material; the material is fed into a brute force extrusion mixer to be mixed fully, and is ground and homogenized by brute force roll grinding and aged; the aged brick making pug is fed into an adobe making workshop to be subjected to compression moulding for adobe making; the moulded adobes are fed into a drying room to be dried; and the dried adobes are placed in a back stage of a tunnel kiln to be sintered. According to the technique, the sludge from a sewage plant is mixed with the raw clay directly, so that energy resources consumed due to sludge drying are saved; targeted improvement measures are put forwards to solve the problems of sludge dewatering, odor control, heavy metal stabilization, etc.; the quality performance and the strength grade of sludge bricks are improved by methods of optimizing a sludge blending ratio and feeding the additive, etc.; the reduction, harmlessness, reclamation and industrialization treatment goals on the municipal sludge are realized; and the sludge bricks, serving as a product, have objective economic benefits.
Owner:XIAN LISHENG SLUDGE TREATMENT +1

Process for production of water-absorbing material

An object of the present invention is to make it possible, in order to form the fine powder of the water-absorbent resin into a water-absorbing material having particle diameters favorable for practical use, that a water-absorbing material which has high agglomeration strength and is excellent in the quality performances is obtained at a low cost with good efficiency without causing the problems of the adhesion to such as treatment apparatus. As a means of achieving this object, a process according to the present invention for production of a water-absorbing material is a process for production of a water-absorbing material from a fine powder of a water-absorbent resin wherein the water-absorbing material is a particulate water-absorbing material having particle diameters larger than the fine powder, with the process comprising: a step (a) of adding an aqueous liquid to the fine powder of the water-absorbent resin with such as a high-speed stirring type continuous extrusion mixer 50 so that the overall average water content will be in the range of 20 to 60 weight %, whereby particles of the fine powder are agglomerated to thus obtain a particulate hydrous material 70 of the water-absorbent resin; and a step (b) of applying a mechanical compression force to the particulate hydrous material 70 and, at the same time, knead-pulverizing it, with such as a meat chopper apparatus 30, thereby obtaining particulate agglomerates 40 of the water-absorbing material.
Owner:NIPPON SHOKUBAI CO LTD

Preparation method of phosphorus building gypsum-based water-resisting and self-leveling mortar

The invention discloses a preparation method of phosphorus building gypsum-based water-resisting and self-leveling mortar. The anti-cracking mortar is prepared from the following components in percentage by mass: 50 to 90 percent of phosphorus building gypsum, 10 to 50 percent of baked sand, 0 to 20 percent of cement, 0 to 5 percent of fly ash, 0 to 15 percent of an active activator, 0 to 3 percent of a water repellent, 0.1 to 1 percent of a high-performance plasticizer, 0 to 0.2 percent of an anti-settling agent, 0 to 0.2 percent of a flocculating agent, 0.01 to 0.4 percent of a calcium sulfate retarder, 0 to 3 percent of a high-molecular polymer and 0.05 to 0.3 percent of a high-performance defoaming agent. According to the preparation method disclosed by the invention, phosphogypsum which is an industrial waste is used as a main raw material, so that the prepared self-leveling mortar is high in quality performance and high in water resistance, can be applied to a leveling project for indoor and outdoor grounds, is particularly applicable to a floor heating project and a wood floor base course leveling project, is high in coagulation and hardening speed, high in volume stability,high in temperature change resistance, and low in cost, and does not crack, and product properties meet relevant standard requirements; a production process is simple and low in energy consumption; compared with other self-leveling mortar products, the phosphorus building gypsum-based water-resisting and self-leveling mortar is higher in market competitiveness and high in practicability.
Owner:四川华邦保和涂料有限公司

Process for production of water-absorbing material

An object of the present invention is to make it possible, in order to form the fine powder of the water-absorbent resin into a water-absorbing material having particle diameters favorable for practical use, that a water-absorbing material which has high agglomeration strength and is excellent in the quality performances is obtained at a low cost with good efficiency without causing the problems of the adhesion to such as treatment apparatus. As a means of achieving this object, a process according to the present invention for production of a water-absorbing material is a process for production of a water-absorbing material from a fine powder of a water-absorbent resin wherein the water-absorbing material is a particulate water-absorbing material having particle diameters larger than the fine powder, with the process comprising: a step (a) of adding an aqueous liquid to the fine powder of the water-absorbent resin with such as a high-speed stirring type continuous extrusion mixer 50 so that the overall average water content will be in the range of 20 to 60 weight %, whereby particles of the fine powder are agglomerated to thus obtain a particulate hydrous material 70 of the water-absorbent resin; and a step (b) of applying a mechanical compression force to the particulate hydrous material 70 and, at the same time, knead-pulverizing it, with such as a meat chopper apparatus 30, thereby obtaining particulate agglomerates 40 of the water-absorbing material.
Owner:NIPPON SHOKUBAI CO LTD

Method for establishing whole-staff performance assessment information system and system

The invention relates to the technical field of staff performance assessment, and relates to a method for establishing a whole-staff performance assessment information system and an assessment information system. The method comprises the steps that first, the whole staff establish personal accumulated point accounts; second, different authorities are distributed to assessment objects; third, an accumulated point system management method and detailed rules for accumulated point implementation are established to serve as a system guarantee for accumulated system management; fourth, an accumulated point rewarding and deducting event base is established so as to standardize accumulated point rewarding and deducting; fifth, the accumulated point rewarding and deducting application and approvalworking process is standardized; and sixth, the accumulated points of the staff in each dimension are taken into the whole-staff performance assessment information system. According to the invention,quantitative assessment is performed on the behavioral and comprehensive quality performance of the staff in the form of point rewarding and deducting through accumulated point system management so asto arouse the enthusiasm of the staff in all directions; the top-down performance assessment system is established, thereby realizing progressive linkage assessment, and achieving in-place goal decomposition, in-place responsibility appointment and in-place assessment and stimulation; and hierarchical and classified management is adopted to enhance the pertinence and effectiveness of the assessment.
Owner:新疆华电喀什热电有限责任公司

Ultra-strength shaving board manufacturing technology changing morphological structure of wood shavings

The invention relates to the technical field of artificial plate manufacturing, in particular to an ultra-strength shaving board manufacturing technology changing morphological structure of wood shavings. The ultra-strength shaving board manufacturing technology comprises the processes of wood chipping, flaking, drying, sieving, glue applying, paving and pre-pressing, hot-pressing, board reversingand cooling, sanding and saw cutting, testing and classifying, warehousing and packaging and the like. The quality performance of an ultra-strength shaving board produced and manufactured by the ultra-strength shaving board manufacturing technology is far better than the standards of an European oriented strand board in 'EN300: 2006-OSB' and 'T/CTWPDA03-2017 veneer shaving board', and the strength of the ultra-strength shaving board even reaches the strength level of a hipboard or plywood; the ultra-strength shaving board has the outstanding features of highest mechanical strength compared with a plate with the same density, lowest density compared with a plate with the same strength, and material saving, and the mechanical strength performance of the ultra-strength shaving board is improved greatly due to the fact that the product structure is uniform and compact; and the advantages of a stable size, non-deformation, small thickness tolerance and the like are realized, and the transformation and upgrading of the artificial board industry, especially shaving board industry are facilitated greatly.
Owner:GUANGXI FENGLIN WOOD IND GRP CO LTD

Process flow of artificial board enterprise energy-saving emission reduction with corps stalk as energy resource

The invention relates to a process for saving energy and reducing emission for artificial board enterprises by taking crop stalks as energy, and the process is characterized in that the process steps comprise 1) preparing stalk raw materials; 2) unitizing stalks; 3) manufacturing stalk solid micro-fuel; 4) burning the stalk solid micro-fuel; 5) using a heat conversion and utilization device; 6) reusing waste heat; 7) and returning ash manure to field. The process has the advantages that: the process proposes to manufacture the solid micro-fuel by taking the crop stalks as the raw materials around the energy conservation and the emission reduction of the artificial board enterprises, the appraisal indicators of a stalk fuel combustion device are as follows: the combustion rate is not less than 95 percent and the thermal efficiency is not less than 85 percent, thereby replacing coal and waste wood; the process can realize the purposes of saving energy, saving raw materials, protecting environment and reducing cost under the premise of ensuring the normal production of the enterprises, thereby having an important practical significance for realizing the energy conservation and the emission reduction of the enterprises. Farmers can increase income by selling the crop stalks as the fuel. The product quality performance indexes are in line with the requirements in the China's medium density fiberboard standards.
Owner:NANJING FORESTRY UNIV

Flow control method for rolling temperature of hot rolled steel strip

The invention provides a flow control method for the rolling temperature of a hot rolled steel strip and belongs to the technical field of rolled steel automatic control. The method comprises: reading plate blank PDI data, equipment parameters and rolling temperature model parameters, and extracting the actual measurement values of pyrometers when the steel strip reaches a finish rolling inlet and a finish rolling outlet; determining the given configuration and flow of the material specification of beginning valve and headers; according to the given flow and the rolling temperature model of each group of headers, determining the convective heat transfer coefficient of each group of headers; according to the rolling temperature model, calculating total flow required by cooling from the finish rolling outlet to a rolling inlet; determining total valve opening number required by cooling, and sending the set configuration to a level I basic automation executor; and carrying out feedback calculation according to the actual rolling temperature, regulating the opening and closing state of headers in a fine tuning zone, and ensuring a target rolling temperature. The method can stably control the rolling temperature index, ensure that the first block of an another specification of strip steel and a thick specification of strip steel can stably pass, improve the rolling temperature hit rate and improve the quality performance of a product.
Owner:BEIJING ARITIME INTELLIGENT CONTROL

System for moulding sand quality on-line inspection and humidity automatic control

The invention relates to the technical field of processing systems for foundry sand, in particular to a system for moulding sand quality on-line inspection and humidity automatic control. An on-line detection system is arranged on a sand mixer and comprises a controller, and the controller is connected with a humidity sensor, a temperature sensor, a compact rate pressure transmitter and a strength and pressure transmitter. A humidity automatic control system is arranged on a sand supplying belt conveyor in front of a moulding machine, and the humidity automatic control system comprises an automatic water adding device connected with the controller. The system for moulding sand quality on-line inspection and humidity automatic control has the advantages that the on-line detection system arranged on a sand mixer ensures the constant compact rate and wet strength by detecting temperature and humidity, and the humidity automatic detecting system on the sand supplying belt conveyor in front of the moulding machine ensures a constant humidity value by analyzing the humidity and temperature of moulding sand. Combined control of the on-line detection system and the humidity automatic control system ensures quality performance of the moulding sand.
Owner:常州市卓信机电设备制造有限公司

Monitoring and fault diagnosis method for quality performance of key parts of nuclear power unit

The invention discloses a method for determining quality performance problems and faults of key parts of a nuclear power unit by analyzing a structure vibration response signal under determined excitation. The method comprises the following steps: primarily determining positions of excitation and response points according to analysis on common faults or possible potential quality performance problems of the key parts with different types of the nuclear power unit; requiring that a formed running state point-spanning frequency response function can cover possible quality problems and faults; drawing a multi-running-state point-spanning frequency response function curve of the key parts of the nuclear power unit according to real-time acquired excitation signals and vibration response signals of running states of the key part of the nuclear power unit; analyzing a peak value-frequency, a loss factor and a change rule thereof in each running state point-spanning frequency response function of the key parts with the different types; extracting a characteristic parameter of each running state frequency response property curve; quantitatively describing corrosion, crack, abrasion, loosening, leakage and jamming fault properties; testing and determining influences, caused by each fault and a degree thereof, on the characteristic parameter of each stage.
Owner:ZHONGBEI UNIV

BPPA (Band-Pass Phase Adjustment) digital audio processor and sound box processor using same

The invention discloses a BPPA (Band-Pass Phase Adjustment) digital audio processor and a sound box processor using the same. The digital audio processor comprises n band-pass filters, n time delayers and an n*1 mixer. In the invention, input audio signals are separated into n paths of audio signals according to different frequency bands through the n band-pass filters; the n paths of audio signals are respectively input into the n paths of time delayers; and signals output by the n paths of time delayers are simultaneously input into the n*1 audio mixer to carry out mixing output. The digital audio processor is suitable for sound box processors with a single loudspeaker, two fractional frequencies, three fractional frequencies or multiple fractional frequencies. Based on the chip design of a DSP (Digital Signal Processor), the processors can be adjusted in a large range and large amplitude, have simple operation and obviously and greatly improve the tone quality performance. In addition, the invention can correct the phase deviation of the loudspeaker and improve the frequency response and the transient response of the loudspeaker, thereby reducing the distortion and greatly improving the tone quality performance of the loudspeaker.
Owner:GUANGZHOU LEAFUN CULTURE SCI & TECH
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