122results about How to "Full reaction time" patented technology

A high-density pressurized fluid bed coal gasification device and a method relate to a gasification device and a method which are especially suitable for the efficient treatment of the high-sulfur, high-ash and high ash fusion point coal with high reserve volume in China and have the advantages of broad coal type adaptability, high carbon transformation ratio in the gasification process, high heat value of coal gas, low investment and excellent environment-friendly performance. A gasification reactor (1) is arranged in a pressure shell (2) and is divided into a dense-phase turbulent flow fluidizing section (9), a high-density core-annulus flow section (10) and a density rapid flow section (11) from bottom to top, and according to the gasification character of the goal with high sulfur, high ash and high ash fusion point, flow states with different features are adopted for pressurizing and sectionalized gasification from bottom to top and the pressure for gasification is 1.0-2.5MPa.

The invention discloses a high and low sensor alternate tracking energy-saving street lamp system and a control method thereof. The high and low sensor alternate tracking energy-saving street lamp system comprises a plurality of street lamps, a street lamp control module, a wireless communication module, a wireless sensor network, a sensor control module and a central control unit; the plurality of street lamps are arranged on the bilateral sides of the road surface; the wireless sensor network comprises high sensors and low sensors which are arranged below the high sensors. According to the high and low sensor alternate tracking energy-saving street lamp system and the control method thereof, the number of front or rear lighted lamps and the lighting duration are calculated according to the movement speed and the movement direction of a moving target, a lighting data instruction is transferred between the adjacent street lamps, and accordingly the communication distance is reduced, the energy consumption is saved, and the service life of the street lamp system is fully extended due to the fact that the working mode that the high sensors and the low sensors are separated from each other is adopted to form the advantage complementation.

The invention relates to a low-pressure discharge plasma water treating apparatus, mainly comprising a discharge power supply, a high voltage electrode, a reactor, an atomization sprinkler, a water inlet pipe, a water outlet pipe, a water flow monitor, an air exhaust pipe, an air valve, a vacuum pump, a sewage pool and a clean water reservoir. According to the invention, without a water pump, a low pressure environment in the reactor can be maintained via only one vacuum pump under the condition that water flows through the reactor; electro-discharge is carried out in the low pressure environment, and large-volume, high-activity and non-thermal equilibrium plasma is generated; the treating apparatus can effectively remove pollution sources like heavy metal ions, organic matters and microbes in water, has high treatment efficiency, is generally applicable to sewages having different pollution degrees and produced by different industries and provides activated water for special industries. The invention further relates to a plasma water treating method which realizes low pressure discharge under the condition that a water cycle between the interior of the reaction chamber and the outside is maintained without usage of a forced exhaust type water pump. With the method, system energy consumption is greatly reduced.

The invention provides a process for recycling filter residues of polyaluminium chloride series coagulants. Under the condition of not adding any reaction equipment or raw materials, the filter residues are directly reused in the production process of polyaluminium chloride series products. The process comprises the steps of adding industrial hydrochloric acid or industrial synthetic hydrochloric acid to a reaction vessel, adding aluminium hydroxide under the condition of constant stirring, carrying out steam heating, controlling the reaction temperature to be 80-110 DEG C and reaction time to be 2-5 hours and cooling a reaction solution to 50-70 DEG C, adding the filter residues and calcium aluminate powder under the condition of constant stirring, adding water and controlling the flow when water is added to control the solution temperature between 80 DEG C and 100 DEG C, carrying out solution-residue separation after reaction for 2-3 hours, subpackaging and warehousing the finished product of solution and returning the filter residues to a production system to continue participating in reaction, wherein the water quantity converted from steam quantity needs to be deducted from the total water quantity when the solution temperature is controlled between 80 DEG C and 100 DEG C. The technical process is simple, is high in recycle rate of active ingredients of the filter residues and can reduce the production cost and the environmental protection pressure.

The invention discloses a plant deodorant for excrement/compost treatment in a feeding farm and application thereof. The plant deodorant comprises the following components in percentage by mass: 40-65% of extract of camphor tree leaves and seeds, 10% of perilla extract, 5-10% of lemon extract, 10-20% of mint extract, 5-10% of laurel extract, 5-10% of holly extract and 1-3% of gel, wherein the gel consists of polyvinyl alcohol, polyvinylpyrrolidone and polyacrylamide in a weight ratio of 1:1:1. According to the invention, the plant deodorant is sprayed to cover the surface of excrement/compost to form a covering film so that the deodorant molecules sufficiently react with odor molecules and an aim of lasting deodorization is achieved. Since the main components are natural plant components, the plant deodorant disclosed by the invention is safe and environment-friendly, realizes high deodorization efficiency, and can effectively improve the working environment of the feeding farm and compost treatment and reduce pollution of the feeding farm on the surroundings.

A hydrogen production method by steam reforming in a combined reactor and a device thereof belong to the technical field of a hydrogen production technology by steam reforming of light dydrocarbon. The device provided by the invention comprises a fixed-bed reactor and a half-cycle fluidized bed reactor. The method is realized by the use of the device, and natural gas or dry gas for oil refining or light oil is used as a raw material. The method comprises the following steps: reducing a nickel based catalyst, carrying out a catalytic reforming reaction in the fixed-bed reactor, carrying out a catalytic reforming reaction again as well as a carbon dioxide adsorption reaction in a riser reactor of the fluidized bed, carrying out gas-solid separation to prepare the hydrogen product, and regenerating and utilizing carbon dioxide adsorbent particles. The invention has characteristics of short process flow, simple operation, energy conservation, low production cost, high hydrogen production efficiency, high purity of the hydrogen product, complete utilization of resources, no environmental pollution and the like. The invention can be widely applied in hydrogen production by steam reforming. The hydrogen prepared by the adoption of the method can be extensively applied in the fields of petroleum, chemical industry, metallurgy and the like.

The invention relates to a ceramic membrane chemical cleaning system and method which are used for cleaning a ceramic membrane in a water treatment system. The chemical cleaning system comprises an online cleaning part, wherein the online cleaning part comprises a dosing pump and a sucking pump; the dosing pump is coupled onto the ceramic membrane arranged in a membrane pool by virtue of a pipeline, so as to inject a cleaning liquid into the ceramic membrane; the sucking pump is coupled onto the ceramic membrane by virtue of a pipeline, so as to discharge water from a back absorption membrane of the ceramic membrane; and the cleaning liquid on the ceramic membrane is discharged into the membrane pool in a sucking process. The system and method which are provided by the invention can be used for solving the problems of pollution of the ceramic membrane in a water treatment process, production of secondary pollutants by the cleaning liquid in a membrane cleaning process, secondary treatment of the membrane cleaning liquid, and the like.

The invention relates to an efficient low-pollution W-shaped flame boiler OFA (over fire air) device and method. Conventional large-capacity W-shaped flame boiler OFA equipment occupies large space and is complex in structure. The OFA device comprises main combustion zone OFA nozzles, wing wall OFA nozzles, an upper hearth, an annular air duct and an air box provided with OFA layers, and is characterized in that one end of each main combustion zone OFA nozzle is fixed on the water-cooled wall, close to the throat position, of the upper hearth, and the other end of each main combustion zone OFA nozzle is fixed on the air box; one end of each wing wall OFA nozzle is connected onto the annular air duct through a pipeline, and the other end of each wing wall OFA nozzle is connected onto the water-cooled wall, close to the side wall position, of the upper hearth; and each OFA nozzle comprises a center air duct, an outer annular air duct and a cyclone, and the center air ducts are located in the outer annular air ducts. The OFA method is characterized in that OFA is fed to the OFA nozzles, and the OFA volume accounts for 19%-25% of total volume of air entering the boiler. The efficient low-pollution W-shaped flame boiler OFA device is simple in structure and can guarantee full mixing of OFA and main stream smoke.

The invention discloses a regional vehicle collaborative early warning risk avoiding interaction system and method, which belong to the technical field of multi-vehicle collaboration and vehicle risk avoiding scheduling. The problem that an existing method cannot perform early warning on serial rear-end collision is solved. The vehicle speed condition is judged before operation, and safety monitoring is ensured in the normal driving state of the vehicle. Different early warning avoiding schemes are selected according to different conditions by combining the judgment condition of whether the front rear-end vehicle is in the system, so that the method has self-adaptability. And after a feedback link and limited feedback duration are added, the coordinates of the vehicle in the dangerous state and the coordinates of the vehicle which is not fed back are integrated, a certain early warning range is defined, information of the dangerous vehicle is sent to the vehicles in the range again, and the accidental rear-end collision situation is further avoided. The method can be used for early warning of serial rear-end collision of the vehicle.

The invention discloses a flocculant adding method in a selective bauxite flocculation process. A flocculant adding point is arranged in a pipeline of sedimentation equipment so that ore pulp flows into the pipeline, mixes with flocculant and generates the flocculation effect in the flowing process. The invention overcomes the defects that the prior flocculant adding modes are easy to cause the insufficient reaction between the flocculant and the ore pulp, floc agglomerations are easy to scatter, a flocculation phenomenon is not obvious, and the like; in addition, the invention develops a simple and feasible and practical flocculant adding mode with great floc agglomeration granularity, obvious selective flocculation phenomenon and good grading index.

The invention relates to the technical field of air pollution control and environmental protection, in particular to a device and process for absorbing and treating NOx, HF, HCl, caustic soda mist andinert tail gas, and relates to a device and process for washing,absorbing and adsorbingby three-level step-by-step treatment. Integrated process devices and process methods of added medicaments adsorption, alkali cleaning, packing separation and adsorption are carried out on tail gas exhausted from coal chemical industry, petrochemical industry, and new material industry production systems to meet emission standards of tail gas treatment. The device and process optimize the technological parameters and equipment arrangement of a whole system comprising a reduction washing tower, an alkali washing tower, an adsorption tower and the like of the medicaments, has the characteristics of safety, environmental protection, energy saving and the like compared with the prior art that has the disadvantages of incomplete treatment, high tail gas treatment energy consumption and single process flow, reduces equipment investment, saves power consumption and the like, and can effectively protect environment and prevent the air pollution caused by the emission of NOx, HF, HCl, caustic soda mist and inert tail gas.

The invention provides a method and device for controlling air return of an air conditioner, the air conditioner and a storage medium. The method comprises the steps that the air conditioner air return opening temperature and the indoor environment temperature are acquired; and according to the air conditioner air return opening temperature and the indoor environment temperature, whether the air conditioner operates in an air return short circuit preventing mode or not is determined. According to the method and device for controlling air return of the air conditioner, the air conditioner and the storage medium, in the use process of the air conditioner, the air conditioner air return opening temperature and the indoor environment temperature are acquired in real time, the current operationstate of the air conditioner can be acquired, and whether the air conditioner operates in the air return short circuit preventing mode or not is determined according to the air conditioner air returnopening temperature and the indoor environment temperature; and the air return short circuit phenomenon of the air conditioner, especially a ceiling unit can be effectively avoided, the operation effect and reliability of the air conditioner are guaranteed, and the use experience of a user is improved.

The invention discloses an inorganic polymer resin. The inorganic polymer resin comprises, by weight, 50-60 parts of potassium silicate, 10-15 parts of water glass, 10-20 parts of a silane coupling agent, 3-5 parts of magnesium lithium silicate, 3-8 parts of potassium tripolyphosphate, 8-15 parts of aminoacrylic acid and 0.2-0.8 part of trimethylolpropane. The preparation method of a water-based coating comprises the following steps: S1, preparing the inorganic polymer resin; and S2, mixing 20-30 parts of the inorganic polymer resin prepared in step S1 with the following components according to a certain ratio: cellulose, a dispersing agent, a wetting agent, rutile titanium dioxide, calcium carbonate, kaolin, a silicone acrylic emulsion, an antifoaming agent, a thickener, a leveling agentand water. Potassium silicate is used as a main component, the silane coupling agent is adopted as an activator, and through a mutual reaction, the single potassium silicate can be mutually combined to form the aggregate having a chain structure, and the molecular weight can achieve 7000-10000, so the coating has the characteristics of excellent physical properties, high alkali resistance and dewformation resistance, and can be widely used in building interior walls.

The invention relates to a denitration method using a decomposing furnace and the decomposing furnace. The method comprises the following steps: coal powder is injected from the lower end of the decomposing furnace and combusted under an anoxic condition to form an anoxic reducing atmosphere, and coal powder is injected from the upper end of the decomposing furnace and combusted to consume part ofoxygen at the upper end of a reducing atmosphere; tertiary air is sprayed into the decomposing furnace in streams to make the air excess coefficient be 0.3-0.6; a cement raw material is respectivelyput into the decomposing furnace from a plurality of feeding ports for carbonate decomposition, so that the temperature at the reducing atmosphere is 900-1100 DEG C; exhaust gas is introduce from thatbottom end of the decomposing furnace for reduction denitration, and the reaction time is 0.5 to 1.2 seconds; and insufficiently combustible solid materials are guided to the decomposing furnace by refluxing with a reflux ratio of 20-45%. The denitration method using the decomposing furnace is simple and easy to operate, can reduce 60-85% of nitrogen oxides generated by a rotary kiln to nitrogen,has high reduction efficiency, effectively reduces the harm to the natural environment, does not affect the decomposition of carbonate in cement raw materials, can fully utilize materials, and savescost.

The invention discloses ship domestic sewage treatment equipment, and belongs to the technical field of ship sewage treatment. The ship domestic sewage treatment equipment comprises a reaction box, the lower end of an output shaft of a motor A penetrates through the interior of a filter screen, extends to the exterior and is sleeved with two stirring rods in an up-down structure, and a sealing ball A is arranged at the upper end of a spring C. The left side of an L-shaped pipeline communicates with a temporary cavity, and a piston is slidably connected in the temporary cavity. A through hole is formed in the middle of the circumferential outer wall of the control column, a sealing ball B is arranged at the right end of a spring D, a square-shaped block is fixedly arranged at the left end of the control column, an output shaft of a motor B is coaxially connected with a Z-shaped rod, and a water outlet pipe is arranged at the left end of the front side of the reaction box. Due to the close fit of the structures, the sewage and the medicament are fully mixed through the stirring of the stirring stick, and the piston and the temporary cavity are arranged, the reaction time of the sewage and the chemical agent is effectively prolonged, and the situation that the reaction is insufficient, so that the sewage which is not sufficiently treated is discharged into the ocean, and serious ecological pollution is caused is avoided.