174results about How to "Significant reduction" patented technology

The invention relates to a sludge drying and burning technique and its system devices, applying to the handling of active sludge in urban sewage treatment plants, its process flows through: wet sludge stock house, measuring bin, sludge mixer, sludge dryer, granular splitter, cooler, drying products storage bin, incinerator, smoke gas cleaning devices, which is characterized by: said incinerator is bubbling fluid bed incinerator with coal economizer, air heater fixed in its end part, high-heat smoke gas generated by burning is used to heat heat-conducting oil and cool air individually, and heat-conducting oil after being heated is transferred to sludge dryer through the circulating pump to dry wet-sludge. The invention is characterized by: take heat-conducting oil as heating medium, use the heat generated by burning dry sludge to heat heat-conducting oil and then dry wet-sludge to make full use of resources; the volume-reducing quantity after drying and burning could reach over 90%; the percentage of desulphurization in incinerator could reach 75% as a result of adopting two stage technology of sulfur removal, and the gross percentage of desulphurization meets national environmental legislation requirements. The invention accomplishes the resources, volume reduction, and innocence of sludge.

In lane keep control apparatus and method for an automotive vehicle, a traveling state of the vehicle is detected, a determination is made on whether the vehicle has a tendency of a deviation from the traveling traffic lane according to the detected traveling state, a deviation avoidance control is executed for the vehicle in a direction to avoid the deviation according to the traveling state, steering angles before and after a start of the deviation avoidance control are detected, and a controlled variable of the deviation avoidance control is detected on the basis of a deviation between a steering angle before the start of deviation avoidance control and that after the start of deviation avoidance control when a determination is made that the vehicle has the tendency of the deviation.

A pyroelectric thermal energy harvesting apparatus for generating an electric current includes a cantilevered layered pyroelectric capacitor extending between a first surface and a second surface, where the first surface includes a temperature difference from the second surface. The layered pyroelectric capacitor includes a conductive, bimetal top electrode layer, an intermediate pyroelectric dielectric layer and a conductive bottom electrode layer. In addition, a pair of proof masses is affixed at a distal end of the layered pyroelectric capacitor to face the first surface and the second surface, wherein the proof masses oscillate between the first surface and the second surface such that a pyroelectric current is generated in the pyroelectric capacitor due to temperature cycling when the proof masses alternately contact the first surface and the second surface.

There is provided an inspection method for inspecting an object built on a tire building drum to make up a pneumatic tire with respect to profile thereof in process of production of the tire includes, in which data with respect to a profile of the object for a single rotation of the tire building drum is acquired by a two-dimension laser sensor having a detection range along a lateral direction of the object while rotating the drum. Then, using the data so acquired, a radial run-out (RRO) in a circumferential direction of the tire is averaged out in a lateral direction of the object for harmonic analysis, and whether or not the magnitude of the harmonic obtained as a result of the analysis falls within a predetermined range is determined.

A turbomachine assembly comprising: an annular compression section; a casing formed by an outer annular shell (204) and an inner annular shell (206) secured inside the outer shell by means of a plurality of radial support arms (208); an annular combustion section housed inside the casing; and an annular turbine section. The air coming from the compression section presents rotary motion with an angle of inclination relative to a longitudinal axis (X-X) of the turbomachine, and the combustion section includes angular distribution means for determining air flow direction so as to impart on the gas leaving the combustion section rotary motion with an angle of inclination that is equal to or greater than the angle of inclination of the air leaving the compression section, said angular distribution means being formed by the support arms (208), each of which presents an angle of inclination relative to the longitudinal axis (X-X) of the turbomachine that is greater than or equal to the angle of inclination of the air leaving the compression section.

The present invention relates to an application of phthalocyanin compound as harm-reducing agent of cigarette. Said phthalocyanin compound can obviously reduce harmful substances of CO, nitrogen oxide, aldehydes and amines in the smoke, and also can remove noble metal ions and eliminate free radical.

The invention relates to a high-concentration anaerobic sludge digestion treatment process for carrying out mechanical dewatering on sludge, comprising the following steps of: conveying sludge with high water content into a concentration tank, wherein the water content of the concentrated sludge is reduced to 97 percent, and a supernate reflexes to a sludge treatment system; carrying out mechanical pre-dewatering on the concentrated sludge, wherein the water content is about 88-90 percent after the mechanical pre-dewatering; then carrying out anaerobic digestion on the pre-dewatered sludge under the high concentration condition by adopting a CSTR (Continuous Stirred-Tank Reactor); and further dewatering the sludge after anaerobic digestion, wherein the water content of a treated sludge cake is about 75 percent. The invention has following advantages and positive effects: by adopting the technical scheme, the dewatering effect of the sludge is favorable, the volume of an anaerobic sludge digestion tank is greatly shortened, and the capital construction investment and the operation cost of a sewage treatment plant are reduced; the load of organic matters in the sludge can be effectively improved by carrying out pre-dewatering on the sludge; and the CSTR anaerobic sludge digestion which is suitable for the high-concentration solid materials is used for treatment, which is beneficial to sludge resource utilization.

Prefabricated foldable building units are described that have one or more of the following advantages. They are more easily prefabricated, more easily transported to building sites without requiring special permits, unloadable and unfoldable at the building sites without using cranes (they can be unloaded using ground-level lifting rigs and unfolded using, for example, a cable mechanism), allow precise and fast completion at the building site, and allow significant reduction in the scope of work to be completed on-site, where costs and scheduling are far less manageable. Further, methods for unloading and unfolding foldable building units are described that obviate the need for one or more cranes that can be expensive and project-complicating, thereby opening up a significant percentage of building sites for placement of prefabricated foldable building units.

The invention discloses a time-delay multi-carriers modulation and demodulation method. The code element waveform structure is composed of H cosine wavelets, all wavelets have different time delays sequentially, and various wavelets are linearly superposed to form a non-orthogonal composite wave code element waveform; the wavelets are amplitude-variable basic wavelets, and the basic wavelets are standard cosine waves with amplitude at 1 constantly. Meanwhile, the basic wavelets of a transmission end are transmitted finishing basic wavelets with a trailing area 0 and a trailing area 1 added at two ends of the standard cosine waves, and a receiving end is partially balanced to obtain received finishing basic wavelets with trailing to form non-orthogonal composite waves. The modulation adopts three methods including (1) an equilateral-triangle equation set method formed by an equilateral-triangle coefficient matrix; (2) an inverted-triangle equation set method formed by an inverted-triangle coefficient matrix; (3) an optimization method. The time-delay multi-carriers modulation and demodulation method reserves the advantages of high efficiency of a time-frequency mixing multi-carriers modulation method and reduces complexity as well as error bit rate.

The invention discloses a massive bone defect assist bone graft magnesium alloy stent and a production method thereof. The production method includes the steps of (1) performing three-dimensional reconstruction according to the CT and MRT imaging technology to simulate the size and the shape of a large bone defect portion; (2) printing a biomedical orthopedic material through the 3D printing technology to produce the assist bone graft magnesium alloy stent; (3) treating the outside and edges of the assist bone graft magnesium alloy stent to enable the assist bone graft magnesium alloy stent to adapt to the large bone defect portion; (4) filling the assist bone graft magnesium alloy stent with appropriate amount of artificial bone cement to complete the overall assist bone graft magnesium alloy stent. The massive bone defect assist bone graft magnesium alloy stent and the production method of the massive bone defect assist bone graft magnesium alloy stent are based on CT and MRT data of a patient to maximally repair the defect portion of the patient, effectively improve the matching degree of the bone stent with the patient and use the 3D printing technology for achieving personalized customization, shortening the production time of the bone stent and reducing costs.

The invention discloses electroosmosis belt type squeezing sludge dehydration equipment, which comprises a stander, an upper squeezing belt, transmission shafts, a scraper blade, power machinery, a lower squeezing belt, a tension device, a rectification device, a filter belt, supporting wheels and a power supply, wherein the upper squeezing belt and the lower squeezing belt which are supported and driven by the transmission shafts have the same structure, namely a track type structure which consists of two chains arranged at an interval and an upper bridge plate and/or a lower bridge plate which are/is transversely arranged according to pitches of the chains; the upper squeezing belt and the lower squeezing belt are respectively connected with the positive electrode and the negative electrode of the direct current power supply and clamp the filter belt to enter a wedged flat groove of the stander, namely a squeezing region under an electrophoresis condition, so that water molecules in sludge flow towards the lower bridge plates with negative levels; and therefore, the squeezing dehydration efficiency is greatly improved, the sludge is reduced obviously, and the produced high-dryness sludge cake is favorable for later-stage recycling application.

The invention discloses an integrated garbage treatment and utilization method for effectively controlling dioxin, which comprises a garbage sorting, drying and storing method, a garbage dry distillation, pyrolysis and gasification method, an integrated treatment and utilization method for garbage ash and combustible gas and an integrated treatment and utilization method for exhaust gas and wastewater, belonging to the field of environmental protection. The method comprises how to effectively control the dioxin and solve the pollution problem of reducing waste water, exhaust gas, waste residue and the like in the garbage treatment process. The solution comprises the steps of sorting and drying the garbage, turning the garbage into renewable resources like combustible gas, tar and the like through integrated treatment of dry distillation, pyrolysis and gasification, comprehensively utilizing the waste residue and waste water for brick making and emitting the exhaust gas up to the standard after treatment. By adopting the technique for garbage treatment, the generation and damage of the dioxin can be effectively controlled, the emission of no waste water, no waste residue and no wastes can be achieved, and the better effect of complete harmlessness, reduction and recycling approximate to 100% can be realized.

The invention discloses a method for the innocent treatment of sludge in a sewage plant, which comprises the following treating steps of: (1) piling sludge on the cement-hardened ground into windrows; (2) uniformly spreading conditioner on the windrows, wherein the weight part ratio of the sludge to the conditioner is 600-800:400-200; (3) preparing nutriment, wherein the nutriment comprises the following component in parts by weight: 5-8 parts of starch, 0.5-1 part of sugar and 0.5-1 part of ethanol of which the volume content is 40%; (4) uniformly mixing the nutriment with compound microorganism microbial inoculum according to the weight ratio of 1-2:1-2; (5) directly spreading the mixture of the nutriment and the compound microorganism microbial inoculum in step (4) on the windrows, wherein the weight ratio of the sludge to the mixture is 600-800:1-2; and (6) using an upender to upend and stir the windrows, and thus finishing the overall treatment 10-15 later. The method is simple in treating process, is applicable to large-scale treatment, and has high innocent treatment degree.

The invention discloses a sludge conditioning dehydration coupling carbonization reduction treatment method. The method comprises the following steps: A, flue gas flow, to be more specific, hot flue gas enters a pyrolysis carbonization system to indirectly heat sludge, heat is absorbed by the carbonization process, discharged flue gas enters a thermal drying dehydration system, the sludge is dried, and tail gas carrying a small amount of dust enters a cyclone dust collector to be subjected to solid-gas separation, enters a deodorization device through a desulfurization and denitrification system and a system induced draft fan to be deodorized and purified, and then is discharged after reaching the standard; and B, a sludge process, to be more specific, wet sludge is sent to a conditioningtank for homogeneous conditioning, to a mechanical filter pressing device for filter pressing, to a semi-dry sludge bin, to a sludge thermal drying dehydration system via a sludge buffer hopper, and to a pyrolysis carbonization system after directly contacting with hot flue gas for heat exchange, the sludge is indirectly heated and carbonized by the high-temperature flue gas, organic matters in the sludge are precipitated in volatile forms, residual water is evaporated and precipitated, the sludge forms sludge carbon in the pyrolysis carbonization system, and after cooling, the sludge is sentto a finished product bin for loading and outward transportation.

A method is provided for synthesizing acylamides, useful as protectant for cultivated plants. A benzoxazine, such as 3,4-dihydro-3-methyl-2H-1,4-benzoxazine, is made in a stepwise manner by initially forming an o-nitrophenoxyketone by reacting a haloketone and a nitrophenol. The o-nitrophenoxyketone is hydrogenated to form the corresponding benzoxazine, which is thereafter acylated with an acylhalide to produce the acylamide, such as 4-dichloroacetyl-3,4-dihydro-3-methyl-2H-1,4-benzoxazine.

A light-emitting diode stacked lighting core includes a core top board, a core bottom board, and vertical boards, all being circuit boards. The core top board and the vertical boards are provided with light-emitting diodes and the core bottom board is provided with a circuit that is formed of a rectifier and a voltage reduction element and having two terminals extending outward. The vertical boards form extended fitting tabs and the core top board and the core bottom board respectively form openings corresponding to the fitting tabs to receive the fitting tabs to fit therein and to be fixed thereto by means of soldering, whereby the light-emitting diodes of the core top board and the vertical boards are put in electrical connection with each other to form the lighting core that is receivable and fixed in a light-transmitting enclosure.

The invention provides a servo side-pressing paper feeder. The servo side-pressing paper feeder is characterized in that a paper feeding mechanism comprises a vacuum suction speed-changing paper feeding mechanism and a vacuum suction constant-speed side-pressing paper advance mechanism; two side-pressing wheels are installed on a side-pressing paper feeding wheel shaft arranged above constant-speed paper feeding wheels in the middle; a gap with the width less than the thickness of a cardboard is formed between each side-pressing wheel and the constant-speed paper feeding wheels in the middle. The two side-pressing wheels can be moved on the side-pressing paper feeding wheel shaft for adjustment of the separation distance. Under control of a control system, the vacuum suction servo speed-changing paper feeding mechanism conveys corrugated boards in the mode of accelerating at first, then keeping a constant speed and finally decelerating and stopping, and the feeding accuracy and the feeding efficiency of the cardboards are improved. Due to vacuum air suction boxes, the corrugated boards are tightly attached to paper feeding wheels and conveyed forwards through friction force; the side-pressing paper feeding wheels only achieve the auxiliary side-pressing effect, and the flattening effect of the side-pressing paper feeding wheels on the corrugated boards is reduced, so that the strength of the corrugated boards will not be lowered substantially.