42results about How to "Stable emissions" patented technology

The application discloses a steam generator with multiple modules and a control method. The steam generator comprises a first steam generating unit and a second steam generating unit, the first steam generating unit is provided with a first steam outlet, the second steam generating unit is provided with a second steam outlet, and the first steam outlet and the second steam outlet are in time-sharing switchable communication with a steam discharge main channel; one of the first steam generating unit and the second steam generating unit is in communication with the steam discharge main channel to discharge steam, and the other is disconnected from the steam discharge main channel to generate and accumulate steam, and the states of the two are time-sharing switched; the steam generating unit in the steam discharging state is powered off, and steam output is maintained by using waste heat. The steam generator and the control method provided by the application can work with the power consumption value of a single steam generating unit, and continuous and stable high-pressure steam can be provided through asynchronous working and timely switching without increasing the total power consumption of the steam generating unit.

The utility model discloses an anti-vortex device during unloading of a tank truck, which comprises a tank body and a precipitation tank arranged at the bottom of the tank body, the anti-vortex device is fixedly mounted above the precipitation tank and is of a square box structure with an opening at the bottom, and liquid leakage holes are formed in panels of the anti-vortex device. A liquid outlet pipe is arranged on the precipitation tank and is connected with the quick connector through a ball valve. According to the utility model, the liquid flow rate is stable, no vortex is generated, and the liquid can be completely discharged.

The invention provides a method for co-processing and recycling three wastes of an incineration power plant, and belongs to the technical field of treatment and recycling of the three wastes. According to the method, heavy metals and soluble chlorine salts in the fly ash are eluted by utilizing the leachate, the fly ash is subjected to low-temperature pyrohydrolysis by adopting an anaerobic environment provided by the flue gas, dioxin in the fly ash and the flue gas is degraded, and residual heavy metals and soluble chlorine salts in the fly ash are deeply eluted by utilizing the leachate again; fly ash is subjected to wet mineralization through CO2 in flue gas, heavy metal in eluent is precipitated and separated through the CO2 in the flue gas, and KCl and NaCl in concentrated eluent are recycled through membrane filtration and membrane evaporation technologies. The three-waste landfill leachate generated in the production process of the waste incineration power plant, the household waste incineration fly ash and the flue gas are subjected to collaborative harmless treatment and resource utilization, and the problems of high-salinity wastewater and solid waste resource utilization and flue gas deep decarburization are creatively solved.

The invention relates to the technical field of soldering equipment, and discloses soldering equipment for computer hardware assembly, which comprises a supporting table, a moving mechanism is arranged at the top of the supporting table, a supporting strip is arranged on the outer side of the moving mechanism, an adsorption channel is fixedly connected to the top of the supporting strip, and a cleaning mechanism is arranged at the top of the adsorption channel. According to the device, by arranging the cleaning mechanism, impurities filtered by the purification plate are scraped and cleaned, so that the purification plate can stably filter and purify, waste gas generated in the computer hardware tin soldering process can be stably discharged, the influence on the surrounding environment is reduced, the filtering side of the purification plate is scraped and cleaned, and the cleaning efficiency is improved. And meanwhile, a first motor is driven to work, the purposes of waste gas adsorption and impurity cleaning can be achieved at the same time, computer hardware assembling and tin soldering work can be further carried out conveniently, and the practicability of the device is improved. The device has the characteristics of being high in practicability and convenient to purify and clean.

The invention discloses a glass product production wastewater adsorption and filtration treatment device and method, and belongs to the technical field of sewage treatment.The device comprises a water filtering tank, a feeding hopper is arranged at one end of the top of the water filtering tank, partition inner frames are arranged in the middles of the inner walls of the two sides of the water filtering tank, and the peripheries of the partition inner frames are sleeved with circulating residue filtering mechanisms; particles can be rapidly and preliminarily filtered by utilizing flowing inertia of wastewater and guiding of the feeding hopper, a specific water flow track is formed through the partition inner frame, uniform distribution and multiple filtration of wastewater are achieved, the filtration efficiency is improved by rotary scraping filtration of the filtration traction belt, and automatic slag removal can be achieved by matching the suction frame with the filter strip track. Fluctuation flushing of wastewater reduces blockage and pollution, a partition inner frame guides filtration and pressure relief, stable treatment and discharge are ensured by combining a drainage frame, a traction air cylinder and a connecting frame are convenient to replace or clean a main filter element, and an auxiliary filter element replaces work to ensure a continuous treatment process.

The invention provides an oil gas filtering system, which relates to the technical field of oil gas treatment equipment and specifically comprises a medium filter and a hydraulic mechanism, the medium filter comprises a main body, a filter material and a pressing plate; the liquid inlet, the oil outlet, the air outlet and the water outlet are communicated with the filtering chamber, the liquid inlet is formed in the top of the main body, and the oil outlet and the water outlet are formed in the bottom of the main body; the filter material is arranged in the filter chamber, is an oil-absorbing hydrophobic filter material and is of a soft porous sponge structure; the pressing plate is arranged in the main body and is positioned in the filtering chamber; the hydraulic mechanism is in transmission connection with the pressing plate to drive the pressing plate to move towards the filter material to extrude the filter material. The oil-absorbing and water-filtering filter material in the embodiment can selectively absorb oil-containing wastewater, so that waste oil is absorbed in the filter material, the wastewater can be discharged through the water outlet after passing through the filter material, waste gas can be discharged out of the main body through the gas outlet, and after oil absorption reaches saturation, oil can be discharged in a manner of extruding the filter material through the pressing plate; therefore, stable emission of oil, water and gas is realized.

The invention relates to the technical field of printing and dyeing wastewater treatment, and particularly discloses a multi-stage printing and dyeing wastewater treatment and detection device which comprises a treatment pond and a grid filter pond, the grid filter pond is located in the treatment pond, and a water inlet of the treatment pond is connected to the grid filter pond; the conveying end of the medicament supplementing mechanism is connected to the inner cavity of the treatment tank; the clear water discharge mechanism is arranged in the inner cavity of the treatment tank in a manner of floating along with the water flow height and is used for sucking out surface clear water generated after precipitation; the aeration mechanism is arranged at the bottom of the treatment tank; the detection mechanism is arranged on the inner walls of the grating filter tank and the treatment tank; wherein the grid filter tank comprises a grid tank, a cleaning assembly is arranged in the grid tank, and the cleaning assembly is used for automatically and periodically cleaning a grid part of the grid tank. The system realizes multi-stage automatic treatment of wastewater and has an automatic cleaning function, and can effectively guarantee that the printing and dyeing wastewater reaches the standard.

The utility model discloses a denitration ammonia spraying nozzle for reducing scaling blockage, which relates to the field of denitration ammonia spraying and comprises a denitration ammonia spraying pipe, a plurality of accelerating pipes are arranged at one end of the denitration ammonia spraying pipe, a blowing component is arranged at one end, far away from the denitration ammonia spraying pipe, of each accelerating pipe, and a plurality of gas spraying pipes are arranged at one end of the denitration ammonia spraying pipe. A limiting ring is arranged on the outer side of the air spraying pipe. According to the utility model, the denitration ammonia spraying pipe is arranged, and the accelerating pipe is matched with the spraying assembly, so that ash balls accumulated around the ammonia spraying nozzle can be conveniently blown off through the accelerating pipe and the spraying assembly when the denitration ammonia spraying pipe is used, and the ash balls are prevented from being scaled and blocked, thereby ensuring smooth ammonia spraying and stable emission; and meanwhile, the application range of the denitration ammonia spraying nozzle is widened by adjusting the cooperation of the accelerating tube and the injection assembly.

The application discloses a method for instant sensing and early warning of inorganic salt impurity content in urea, comprising: calibration reference database, including: pure urea solution density-temperature-concentration reference curve and data table calibration, typical inorganic salt impurity conductivity characteristic calibration and mixed urea solution conductivity-impurity content mapping relationship calibration; real-time acquisition of field data; calculation of inorganic salt impurity static content, including: calculation of total inorganic salt impurity concentration in the current urea solution; combined with urea dissolving tank geometric parameters and real-time liquid level data of the urea dissolving tank, the total mass of the inorganic salt impurity in the dissolving tank is calculated; dynamic calculation of impurity increment per unit time, based on multiple groups of static impurity mass data collected in continuous time sequence, the increase of the inorganic salt impurity in the urea dissolving system per unit time is calculated; dynamic calibration based on historical data; hierarchical early warning and interlocking control. Corresponding systems, electronic devices and computer readable storage media are also disclosed.

The utility model relates to the technical field of photovoltaic prefabricated cabins, in particular to a photovoltaic prefabricated cabin with a heat dissipation function, which comprises a base, a cabin body is mounted at the top of the base, a cabin door is hinged to one side of the cabin body, a door handle is mounted on one side of the cabin door, and a cover plate is mounted at the top of the cabin door. A temperature sensor is installed in the middle of the lower surface of the cover plate, a buzzer alarm is installed at one end of the top of the cover plate, frame bodies are installed at the two ends of the upper surface of the cover plate, net plates are installed at the top ends of the inner walls of the frame bodies, heat dissipation assemblies are installed on the two sides of the cabin body, and each heat dissipation assembly comprises a frame installed on the two sides of the cabin body. According to the improved photovoltaic prefabricated cabin, the capacity of stably and continuously discharging heat in the cabin body is provided, the working efficiency of equipment is improved, an alarm can be given in time to remind workers when the temperature in the cabin body is abnormal, and the situation that internal electric appliances are broken down or damaged due to overheating is reduced.

The utility model relates to the technical field of vacuum coating machines, and provides an exhaust mechanism of a vacuum coating machine. An exhaust mechanism is arranged, a motor is started to rotate forwards, so that an output end drives a rotating shaft to rotate to drive a gear I to rotate and be meshed with a gear II to enable a circular plate to rotate synchronously, and the circular plate rotates to drive two connecting plates to rotate, so that a rotating rod is clamped in a clamping groove through a sliding block to rotate synchronously and is in threaded connection with a nut; the effects that the rotating rod moves rightwards to abut against the mounting plate and the piston moves rightwards synchronously to exhaust gas completely from the exhaust cavity in the vacuum coating machine body are achieved, and the problem that gas cannot be completely exhausted from the exhaust cavity in the vacuum coating machine body in the prior art is solved; the piston is tightly attached to the inner wall of the exhaust cavity and transversely displaces to exhaust gas in the vacuum coating machine body, the phenomenon that the gas reversely overflows from a gap can be effectively prevented, and when the mounting plate pushes the piston to displace, the bead is in sliding connection with the inner wall of the exhaust cavity, so that shaking caused by inertia can be buffered, and the piston more stably exhausts the gas.

The utility model discloses a system for recycling waste heat of a sewage plant and heating aeration air. The system comprises a pretreatment system, a biochemical treatment system and an advanced treatment system which are connected in sequence, and a sewage source heat pump system and an aeration air heating device which are arranged between the advanced treatment system and the biochemical treatment system, the sewage source heat pump system comprises a heat pump evaporator, a compressor, a heat pump condenser and a heat pump expansion valve which are sequentially connected to form a loop; the heat pump evaporator is connected with a water outlet pipeline of the advanced treatment system; the aeration air heating device comprises a circulating water pipeline, a heating coil, an air taking pipe and an aeration fan, one end of the circulating water pipeline is arranged on the heat pump condenser, the other end of the circulating water pipeline is communicated with the heating coil, the air taking pipe and the aeration fan are arranged on the two sides of the heating coil respectively, and the aeration fan is connected with the biochemical treatment system. The device can effectively improve the sewage temperature of a biochemical treatment system, improve the metabolism of microorganisms, and ensure that the sewage is stably discharged in a standard reaching manner.

The invention discloses goggles for skiing sports, relates to the technical field of ski goggles, and solves the problems that the ventilation effect of the ski goggles is poor, and the water vapor removal effect of the inner side of the ski goggles is poor. Comprising a glasses frame and lenses, the glasses frame is worn on the head through a fixing belt, the lower end face of the glasses frame is provided with a concave face matched with the nose bridge in shape, an air inlet is formed in the upper end face of the glasses frame, and an air outlet is formed in the lower end face of the glasses frame; an air inlet volume control mechanism is arranged at the air inlet and used for controlling the air inlet volume at the air inlet, and when the air volume is increased, the air pressure borne by the air inlet volume control mechanism is increased, so that the air inlet caliber is reduced; the air outlet is provided with an air direction guide structure used for guiding air at the air outlet to the position below the air outlet.

The invention discloses a dust blowing device for biomass fiber processing flash explosion, which comprises a base, a dust pushing pipe fixedly mounted at the top of the base, three connecting pipes fixedly mounted at the top of the dust pushing pipe, and a same flash explosion machine fixedly mounted at the top ends of the three connecting pipes, the feeding mechanism, the pre-dedusting mechanism, the main dedusting mechanism and the material shaking mechanism are matched with the flash explosion machine, all the mechanisms cooperate to achieve efficient soot blowing and dedusting in the biomass fiber processing flash explosion process, and control valves are arranged on the three connecting pipes. According to the ash blowing device for biomass fiber processing flash explosion, through the base, the flash explosion machine, the dust pushing pipe and four cooperative mechanisms of feeding, pre-dedusting, main dedusting and material shaking, the design of segmented dedusting, adjustable nozzle blowing, material shaking and spiral dust discharging is adopted, efficient and clean ash blowing and convenient maintenance are achieved, and the problems of traditional devices are solved.

The invention discloses an aggregate supply bin suitable for mass concrete production, and relates to the field of concrete production, the aggregate supply bin comprises a storage bin and a charging port, the charging port is arranged above the storage bin and is used for supplementing and adding aggregate into the storage bin, a sorting bin is connected below the storage bin, a discharging port is arranged below the sorting bin, and the discharging port is connected with the storage bin. A discharging opening is formed in the lower portion of the storage bin, a discharging control mechanism is arranged in the discharging opening and controls discharging of the discharging opening, the lower portion of the discharging opening communicates with a feeding channel, the feeding channel is formed in the sorting bin, and a sorting cylinder is arranged on the right side of the feeding channel. According to the aggregate supply bin suitable for mass concrete production, aggregate before being discharged can be sorted through the arrangement of the sorting bin, the sorting barrel is arranged in the sorting bin, the continuous screening effect of the sorting barrel is achieved through rotation, the aggregate can be prevented from blocking the sorting barrel, and the stability of follow-up discharging of the aggregate supply bin is guaranteed.

The invention relates to the technical field of wastewater treatment, and provides a high-efficiency printing and dyeing wastewater treatment method which comprises the following steps: S1, physicochemical pretreatment: sequentially treating printing and dyeing wastewater through an adjusting tank, neutralizing and air floating to obtain pretreated wastewater, and precipitating to obtain primary wastewater; s2, biochemical treatment: treating the primary wastewater by an anaerobic process and an aerobic process to obtain treated wastewater; the anaerobic treatment adopts a pulse water inlet mode, the pH value of the inlet water is 4-6, and the pH value of the outlet water is 6.3-7.5; an A / O process or a complete aeration type activated sludge process is adopted for aerobiotic treatment; when the A / O process is selected in the aerobic process, the reflux ratio of the nitrification liquid in the A / O process is 100-200%; a sedimentation tank is arranged after the aerobic process; the sludge reflux ratio of the sludge in the sedimentation tank to the A / O process is 100-200%. According to the technical scheme, the problem of low removal rate of COD and ammonia nitrogen in printing and dyeing wastewater in the prior art is solved.

This utility model discloses a low-temperature condensation device for VOCs waste gas treatment, belonging to the field of waste gas treatment technology. The device includes a main body, with a heating mechanism connected to the bottom of a bypass valve. The heating mechanism heats a conical hopper, and an adjustment mechanism is connected inside the hopper to sense the temperature within it. This utility model achieves zero-energy dynamic antifreeze by utilizing the waste heat from the bypass valve and heating pipe. It utilizes the waste heat from high-temperature waste gas to construct a uniform heat compensation layer on the outer wall of the conical hopper, effectively inhibiting ice crystal adhesion and maintaining a pipe flow cross-sectional area of ​​over 95%, completely solving the problem of condensate crystallization and blockage under low-temperature conditions. A dual closed-loop control system is established through the adjustment mechanism to match the heat compensation requirements and waste gas flow rate in real time, preventing secondary vaporization of the condensate and ensuring stable operation under extreme conditions of -20℃. This allows the device's MTBF to exceed 1200 hours and reduces the frequency of manual intervention by 85%.

The utility model discloses a rainwater backflow prevention device for rock wool fireproof ocean platform container, relates to ocean platform container technical field. The rainwater backflow prevention device for rock wool fireproof ocean platform container, including container house, the bottom intercommunication of container house is provided with the water pipe, the bottom fixedly connected with U shape water seal pipe of water pipe, the utility model discloses when the external rainwater first enters the closed box inner chamber through the flow guide pipe, the rainwater first accumulates in the slide plate bottom area, along with the water level continuously rising, the float ring of setting in the periphery of drain pipe because of the liquid buoyancy effect and follow the floating, and drive the slide plate along the I -shaped guide rail and slide up, the rising of slide plate further drives the closure plate, makes it gradually close and finally completely covers U shape water seal pipe communication mouth, at this moment, the aperture of U shape water seal pipe is blocked, effectively blocked the possibility that external rainwater through drain pipe reverse flow into container inside.

The utility model relates to the technical field of sewage treatment, in particular to a rural domestic sewage flow adjusting device which comprises a sewage pool, the upper surface of the sewage pool is fixedly connected with a connecting box, the surface of the connecting box is fixedly connected with a water inlet pipe, and the surface of the sewage pool is fixedly connected with a water drainage pipe; an adjusting mechanism is arranged on the inner side of the sewage pool. Through the arrangement of the flow sensor, the flow of sewage can be monitored, the motor runs to drive the screw rod to rotate, the sleeve rod can drive the first connecting plate to vertically move, and then the baffle can be lifted by monitoring the flow; the distance between the baffle plate and the bottom surface of the sewage pool can be adjusted through lifting of the baffle plate, so that the flow of sewage can be adjusted and controlled, smooth flow fluctuation is facilitated, the stability of sewage discharge is guaranteed, and the influence on subsequent treatment equipment caused by excessive instantaneous sewage flow can be avoided.

The invention relates to the field of thermal power generation, and discloses a thermal power plant and a thermal power plant flue condensate collecting and discharging device which can efficiently collect condensate in the flowing direction of the condensate on the inner wall of a flue of the thermal power plant and prevent chimney rain formed by discharging chimney outlet smoke carrying liquid drops out of a chimney. The device comprises a plurality of liquid collecting runners, a high-position collecting box, a low-position collecting box and a liquid discharging pipe. The plurality of liquid collection flow channels are attached to the top, the bottom and the side wall of the horizontal flue, high-position collection boxes are arranged on the two sides of the top liquid collection flow channel, low-position collection boxes are arranged on the two sides of the bottom liquid collection flow channel, and the side wall liquid collection flow channels are arranged in a mode of inclining to the horizontal plane. And the bottom of the side wall liquid collecting flow channel extends into a condensate collecting box located at the bottom of the horizontal flue. A plurality of liquid discharging pipes communicated with the condensate collecting box are arranged outside the horizontal flue, and condensate flows into the condensate collecting box from the liquid collecting flow channel and then is discharged through the liquid discharging pipes. The opening direction of the liquid collecting flow channel right faces the flue gas flow direction of the thermal power plant, and the bottom face of the liquid collecting flow channel inclines upwards and is clamped with the vertical face of the liquid collecting flow channel to form a condensate collecting cavity used for collecting condensate.

The utility model relates to a storage barrel for resin liquid, and relates to the field of liquid storage barrels. The device comprises a material storage barrel, the material storage barrel comprises a barrel body and a barrel cover, the barrel cover is installed at the upper end of the barrel body, the barrel cover is connected with the barrel body in a sealed mode, a positioning shell is installed on the upper end face of the barrel cover, the positioning shell and the barrel cover are integrally formed, a liquid outlet pipe set is installed on the upper end face of the barrel cover, and the liquid outlet pipe set is fixedly connected with the barrel cover. A multi-head adsorption pipe group is mounted in the positioning shell, and a liquid mixing shell is mounted at the head of the multi-head adsorption pipe group. The positioning shell is arranged on the barrel cover of the storage barrel, then the multi-head adsorption pipe set is installed through the positioning shell, and the multi-head adsorption pipe set is designed into a structure that the shell cover is matched with a plurality of liquid suction pipes with different lengths; in this way, during use, liquid in the barrel body can be adsorbed at the same time through a plurality of liquid suction pipes with different lengths, and then the sucked liquid can be rapidly mixed in the liquid mixing shell.

The invention relates to the technical field of combustion equipment, in particular to a Brown gas flame-stabilizing methanol combustion system and method.The system comprises a combustor, a Brown gas pipeline, a methanol pipeline, a combustion-supporting gas pipeline and an atomization air pipeline, the Brown gas pipeline is connected with the combustor and used for conveying Brown gas to the combustor, and Brown gas flames can be formed at the position of the combustor; the methanol pipeline is connected with the combustor and is used for conveying methanol to the combustor; the combustion-supporting gas pipeline is connected with the combustor and is used for introducing combustion-supporting gas into the combustor; the atomization air pipeline is connected with the combustor and used for conveying atomization air to the combustor so that the methyl alcohol conveyed to the combustor can be atomized, and the atomized methyl alcohol can take Brown gas flames as an ignition source. According to the Brown gas stable flame methanol combustion system and method, efficient combustion of methanol can be guaranteed, sufficient combustion of methanol is guaranteed, the problem that methanol is prone to incomplete combustion is solved, and carbon emission is reduced.

The application provides a pressure stabilizing system for gas discharge of a reactor coolant system of a nuclear power plant, comprising a stabilizer and a gas treatment mechanism, the stabilizer is provided with at least one accident discharge pipeline, each of the accident discharge pipelines is sequentially provided with a flow limiting unit and an accident discharge valve along a medium flow direction; the gas treatment mechanism comprises a gas receiving pipeline and a receiving container, one end of the gas receiving pipeline is connected to an outlet end of the flow limiting unit, the other end is connected to the receiving container, and a pressure reducing valve is arranged on the gas receiving pipeline; wherein the receiving container maintains a constant temperature and pressure state during the process of discharging gas by the gas receiving pipeline.

The utility model discloses a trolley furnace chimney water accumulation prevention device, which relates to the technical field of equipment smoke exhaust and comprises a rainproof cap, a first rain baffle and a second rain baffle which are arranged step by step from top to bottom, and the inclination angles of the rainproof cap, the first rain baffle and the second rain baffle are reduced step by step. An arc-shaped flow guide plate is arranged between the second rain baffle and the chimney, when rainwater exists, the rainwater sequentially flows through the rainproof cap, the first rain baffle and the second rain baffle which are arranged step by step, the possibility of rainwater invasion is further reduced due to the design that the inclination angle is gradually reduced, and the chimney opening is protected against the influence of the rainwater; and if rainwater flows backwards into the device, the rainwater flows out of the chimney from a contraction interval formed between the arc-shaped flow guide plate and the supporting frame along the arc-shaped flow guide plate.

The utility model relates to the technical field of sewage treatment, in particular to an integrated biological aerated filter which comprises a biological aerated filter, one side of the biological aerated filter is fixedly connected with a treatment water tank through a pipeline, and one side, far away from the biological aerated filter, of the treatment water tank is fixedly connected with an oxygen feeding mixing tank through a pipeline. The other end of the oxygen feeding mixing tank is fixedly connected with a stair, the upper end of the stair is fixedly connected with a platform stair, and one side of the platform stair is fixedly connected to the upper ends of the biological aerated filter, the treatment water tank and the oxygen feeding mixing tank; according to the utility model, sewage flows in and is discharged into the biological aerated filter through the water inlet pipe, under the action of the single-hole aeration pipe, the sewage rolls over and is fully fused with a filter material added into the biological aerated filter, and the sewage flows to a certain height, and is prevented from overflowing through the water outlet weir, so that the water flow is uniformly distributed when flowing into the treatment water tank; meanwhile, the water level is controlled to ensure stable discharge, a buffer area is formed under the action of the reverse drainage weir, and the sewage treatment effect is improved.

The utility model discloses a photo-catalytic oxidation system integrated device which comprises a tank body, and an acid adjusting area, a catalyst adding area, an oxidant adding area, a photo-catalytic reaction area, a catalyst analysis area, a coagulation and flocculation reaction area, a settling area and a sludge collecting area which are sequentially communicated are formed in the tank body; the acid adjusting area, the catalyst adding area and the oxidant adding area are formed in the center of the tank body, and the acid adjusting area is connected with a sewage inlet pipe; the annular photocatalytic reaction area is formed on the peripheries of the acid adjusting area, the catalyst adding area and the oxidant adding area, and the catalyst analysis area, the coagulation and flocculation reaction area, the settling area and the sludge collecting area are integrally and annularly distributed on the periphery of the photocatalytic reaction area. The device is high in integration degree and small in occupied area.

This invention belongs to the field of asphalt modification technology and discloses a high-performance rubber composite modified asphalt and its preparation method. The high-performance rubber composite modified asphalt is prepared by mixing asphalt and a high-performance rubber composite granular modifier. The high-performance rubber composite granular modifier is obtained by extruding and granulating a novel thermoplastic elastomer, desulfurized rubber powder, and a rubber deodorizer using a multi-stage screw extruder. The novel thermoplastic elastomer is obtained by chemical grafting of a moderately pyrolyzed rubber polymer, a thermoplastic elastomer, and a second free radical scavenger. The desulfurized rubber powder is obtained by high-temperature oxygen-free degradation of a second rubber powder and a third free radical scavenger. Compared with traditional rubber composite modified asphalt, the modified asphalt of this invention exhibits superior high and low temperature performance, heat and oxygen aging resistance, and storage stability. It also has good workability, minimal performance degradation during long-term high-temperature storage, significantly reduced odor emissions, and a more stable and lasting odor-neutralizing effect.

The application relates to the technical field of waste gas treatment, in particular to a rubber tire production waste gas purification system which comprises a pretreatment module used for pretreating waste gas to be treated; an adsorption and concentration module which comprises a first-stage adsorption and concentration unit and a second-stage adsorption and concentration unit, the first-stage adsorption and concentration unit is in communication with the pretreatment module and the second-stage adsorption and concentration unit respectively, the first-stage adsorption and concentration unit is used for carrying out primary adsorption and concentration on the pretreated waste gas, the second-stage adsorption and concentration unit is used for carrying out deep adsorption on the waste gas after the primary adsorption and concentration, and the waste gas desorbed from the second-stage adsorption and concentration unit can be backflowed to the pretreatment module; and a burning module which is in communication with the first-stage adsorption and concentration unit and is used for burning the waste gas desorbed from the first-stage adsorption and concentration unit. The application has the effect of long-term, stable and efficient purification treatment of rubber tire waste gas.

This utility model discloses an asphalt concrete feeding machine, belonging to the technical field of asphalt feeding machines. It aims to solve the problem in existing technologies where asphalt can only be discharged from a fixed outlet during the feeding process, leading to a relatively concentrated accumulation of asphalt within the vehicle or equipment. The machine includes a support frame, a storage bin, and a movable frame. The storage bin is located beside the support frame, and the movable frame is slidably mounted on the inner side above the support frame. A protective shell is fixedly installed above the storage bin, and a pump is installed inside the protective shell. The output end of the pump is connected to a transmission hose, the other end of which is connected to the transmission bin. A transmission pipe is located at the bottom of the transmission bin, and a sliding ring is fixedly fitted on the outer wall of the bottom end of the transmission pipe. A movable block is fixedly connected to the side wall of the sliding ring, and the movable block is slidably connected to the inner wall of the movable frame. This asphalt concrete feeding machine, with its dual-movement mechanism, allows the transmission pipe to move flexibly above the vehicle, ensuring even distribution of asphalt within the vehicle and preventing localized accumulation.

The utility model relates to a desulfurization and denitrification environment-friendly flue gas treatment reaction tower which comprises a connecting plate, a first reaction tower is fixedly connected to the outer side of the connecting plate, a second reaction tower is fixedly connected to the outer side of the connecting plate and located on one side of the first reaction tower, and a first-stage filter plate is fixedly connected to the interior of the second reaction tower. And a second-stage filter plate is fixedly connected inside the second reaction tower and above the first-stage filter plate. The device has the beneficial effects that a quadruple purification system is formed by filtered water, the first-stage filter plate, the second-stage filter plate and the special-stage filter plate, the desulfurization efficiency can reach about 95%, the denitration efficiency exceeds about 85% and is far higher than that of a single treatment mode, the double-tower structure is convenient to independently maintain, the functions of each tower can be adjusted according to flue gas components, the filtered water can be recycled, and the cost is reduced. The treatment effect is maintained through pH monitoring and an automatic dosing system, and the operation cost is reduced; the device can treat industrial flue gas with different concentrations and different components, and is suitable for various industries such as electric power, steel, chemical engineering and the like.