10results about How to "Achieving long-term operation" patented technology

The utility model discloses a waste salt oxidation incinerator and a related disposal system. An oxidation reaction area, an air distribution area and a slag falling area are sequentially arranged in a furnace body of the waste salt oxidation incinerator in the direction from the top to the bottom. The oxidation reaction area is provided with a flue gas outlet, and the slag falling area is provided with a salt slag discharge port; a waste salt inlet is formed in the furnace body between the oxidation reaction area and the air distribution area; an air supply device is mounted in the air distribution area, an air supply opening, a material channel and a plurality of air outlets are formed in an air supply device body, the air outlets are distributed in the cross section of the air distribution area, and the air outlet direction of each air outlet faces the oxidation reaction area; and the material channel realizes communication between the oxidation reaction area and the slag falling area. The disposal system adopts the incinerator provided by the utility model. When the incinerator is used, waste salt particles enter the oxidation incinerator through pneumatic conveying, the waste salt particles are in a homogeneous suspension state in the incinerator, heat and mass transfer between the waste salt particles and high-temperature flue gas fed from the bottom of the incinerator is strong, the oxidation incineration speed of organic matter is high, and the organic matter is thoroughly removed.

The utility model provides a kind of high-salt waste liquid pretreatment system and incineration system.The pretreatment system includes sequentially connected feed unit, pretreatment unit, air supply unit and air induction unit;Feed unit includes auxiliary fuel lance and waste liquid lance;Pretreatment unit includes sequentially interconnected combustion chamber and cooling device of burner body;Auxiliary fuel lance, waste liquid lance are connected with burner body respectively;Air supply unit includes air blower, air blower is connected with burner body, combustion chamber respectively;The inlet of air induction unit is connected with the gas outlet of cooling device.The pretreatment system can be based on the coordinated cooperation of feed unit, air supply unit and other units, realize the pre-temperature control combustion of high-salt waste liquid, be conducive to the separation of organic matter and salt in high-salt waste liquid, remove salt in high-salt waste liquid, solve the plugging problem of incineration system, prolong the operation cycle of subsequent device.

The present invention discloses a catalytic diesel processing process and a processing system, wherein the processing process includes the following contents: (1) catalytic diesel is separated to obtain a first fraction, a second fraction and a third fraction; (2) the third fraction enters a first fixed bed hydrogenation reaction zone, and a first stream is obtained after reaction; (3) the second fraction and the first stream enter an ebullating bed hydrogenation reaction zone, and a second stream is obtained after reaction; (4) the first fraction and the second stream enter a second fixed bed hydrogenation reaction zone, and the reaction products are separated to obtain light naphtha, heavy naphtha and hydrogenated diesel. A processing system for realizing the above process is also provided. The process solves the problems of high hydrogen consumption, difficult control of the reaction process, low quality and yield of aromatic products in the processing of catalytic diesel, and realizes the maximum production of the target product naphtha.

The present invention discloses a desulfurization and decarburization rotating bed apparatus and method, the apparatus is a spherical reactor structure, and the apparatus comprises: a decarburization unit, which comprises a rotating shaft and a tree-shaped baffle plate, and the rotating shaft is vertically arranged in a spherical reactor in a penetrating manner; the whole tree-shaped baffles are tree-shaped and are arranged in a layered mode in the circumferential direction of the rotating shaft, the number of the baffles in each layer is multiple, the baffles are evenly arranged at intervals, and deviation angles are formed in the baffles of the adjacent layers in the radial direction. The connecting rod of the lower-layer baffle is longer than that of the upper-layer baffle; in the rotating process of the rotating shaft, the CO2 absorbent impacts the baffle plate from top to bottom, the baffle plate crushes liquid into fine fog drops and makes the fog drops descend spirally, and gas-liquid mass transfer is performed between the fog drops and flue gas from bottom to top while the fog drops descend; and the desulfurization unit is positioned below the decarburization unit and is used for forming contact mixing of the spirally ascending flue gas and the spirally descending SO2 absorbent. Desulfurization and decarburization processes are integrated in the same spherical reactor, so that the integration of desulfurization and decarburization is realized.

The application discloses a built-in multi-pipe supersonic condensation-cyclone-coalescence filter, which comprises a shell, a cyclone pre-separation module, a supersonic nozzle steam condensation module, a multi-stage guide vane type mist cyclone separation module and a coalescence filter core filter module are sequentially arranged in the shell from bottom to top. The filter can not only separate free liquid droplets carried in natural gas, but also deeply remove lubricating oil steam, hydrocarbons and water vapor contained in the natural gas through phase change condensation. The filter has the characteristics of large operation flexibility and high separation efficiency.

The invention provides a direct coal liquefaction system and a direct coal liquefaction method. The direct coal liquefaction system comprises a coal-oil slurry preparation unit, a preheating mixing unit, a first direct coal liquefaction reactor, a second direct coal liquefaction reactor, a third direct coal liquefaction reactor, a first separation unit, a distillation tower, a hydrogenation unit, a second separation unit and a hydrogen supply unit, the technical problems of coal powder deposition, mineral substance deposition, low utilization rate, poor operation stability, solid particle powder entrainment and the like of the reactor in the existing direct coal liquefaction technology are solved, and the bottleneck problem restricting further amplification of the reactor is solved, so that long-period efficient operation of the direct coal liquefaction device is realized; the utilization rate and the single-series scale of the direct coal liquefaction reactor are improved, the energy utilization efficiency is improved, and energy conservation and carbon reduction are facilitated.

A method for identifying and locating pipeline insulation faults during drone inspections includes: preprocessing pipeline insulation infrared thermal imaging images to construct a standard fault data set file; constructing a neural network for extracting features from pipeline insulation infrared thermal imaging images taken by drones and training them to obtain image feature maps; constructing a neural network for identifying fault targets and locating fault areas in pipeline insulation infrared thermal imaging images, using the obtained image feature maps to train a model and embed it into a drone detection platform; formulating a maintenance strategy based on the drone detection results to achieve preventive maintenance of pipeline insulation. The present invention enables drones to automatically identify pipeline insulation faults, making pipeline insulation detection more comprehensive and detailed during the operation phase, saving a lot of manpower and material resources, and reducing the cost of safe operation and maintenance.

The utility model relates to the technical field of sealing devices, in particular to a sealing device of a screw conveyer and an automatic weighing screw conveyer. According to the specific technical scheme, the sealing device of the spiral conveyor comprises a spiral shaft, the spiral shaft is sleeved with a sealing ring base, a shaft seal is coaxially arranged on the sealing ring base in an embedded mode, the spiral shaft is sleeved with a polytetrafluoroethylene hollow pad, one side of the polytetrafluoroethylene hollow pad is tightly attached to the shaft seal, and the other side of the polytetrafluoroethylene hollow pad is tightly attached to the shaft seal. A gland is coaxially arranged on the other side of the polytetrafluoroethylene hollow pad, and the gland, the polytetrafluoroethylene hollow pad and the sealing ring base are fixed through bolts. The utility model solves the problem of material leakage at the sealing part of the shaft seal of the screw shaft of the screw conveyer in the prior art.

The invention provides a device and a method for continuously producing beta carotene. The device comprises a horizontal combined reactor, a first partition plate, a second partition plate and a third partition plate which are parallel to the transverse section of the horizontal combined reactor are sequentially arranged between the first end and the second end of the horizontal combined reactor at intervals, and a first liquid phase channel and a second liquid phase channel are formed in the first partition plate and the second partition plate respectively. The first reaction compartment and the second reaction compartment are communicated with each other, and the first reaction compartment and the second reaction compartment are communicated with each other. A first feeding hole, a second feeding hole and a third feeding hole are respectively formed in the top of the first reaction compartment; a fourth feeding hole is formed in the top of the second reaction compartment; and the bottoms of the first partition chamber and the second partition chamber are respectively provided with a heavy-phase discharge port and a light-phase discharge port. According to the device and the method, the reactor adopts a continuous multi-compartment stirring structure, so that reactants can be always at a low concentration level in the operation process, the generation of a by-product C25 aldehyde is inhibited, the selectivity and the yield of beta carotene are improved, and long-period operation is realized.

The utility model discloses a temperature control device for a supporting and pushing bearing bush of an air blower, and relates to the technical field of air blowers, the temperature control device comprises a supporting and pushing bearing bush assembly, the supporting and pushing bearing bush assembly comprises a supporting and pushing bearing bush body, and a strengthening mechanism is installed in the supporting and pushing bearing bush body. During high-load operation, the load bearing capacity of the thrust bearing bush is enhanced, axial force of a rotor part can be offset, the positioning grooves and the ventilation grooves are formed between the two main thrust surfaces, ventilation is kept between one side of the thrust bearing bush body and the connecting position, heat accumulation is reduced, the heat dissipation fins are arranged on the outer side of the thrust bearing bush body, and the service life of the thrust bearing bush body is prolonged. The supporting and pushing bearing bush is used for increasing the contact area between the outer side of a supporting and pushing bearing bush body and air, improving the heat dissipation efficiency, improving the natural cooling effect, reducing the frequency of replacing the supporting and pushing bearing bush body in the later period and achieving the purposes of long-period equipment operation and productivity improvement.