190results about How to "Speed up emissions" patented technology

The invention discloses sorting technology for a coarse coal slurry damping pulsation interference bed. The sorting technology is formed by the mutual connection of an interference bed sorter, a feeding system, a peristaltic pump, a cleaned coal recovering system, and a water pump, and is characterized in that the inside of the interference bed sorter is added with a plurality of damping blocks and screens; the middle part of the interference bed sorter is connected with the feeding system to form a stable fluid bed; simultaneously, a diaphragm is additionally arranged on the lower part of the interference bed sorter and the upper part of a heavy product discharge port to generate a pulsating flow, so that particles with different densities gain the accelerating effect and retarding effect, and the leading action of the density on the separation effect is strengthened; the peristaltic pump is used for discharging heavy products, so that the processing capability of the equipment is improved; under the conditions of wide particle size range of the coarse coal slurry and heavy processing load, the good separation effect and high separation efficiency can also be achieved by the separation process.

The invention provides a graphite powder purification method. The method comprises the following steps: graphite powder to be purified is placed into a high-temperature sealed kiln and undergoes vacuum calcination in the atmosphere of protective gas; when the calcination temperature reaches 2,000-3,000 DEG C, multiple pneumatic control variation steps are carried out to control periodic pulsative oscillation change of air pressure in the high-temperature sealed kiln. Each pneumatic control variation step contains a gas withdrawal step and a gas injection step. For 1-3 h of each pneumatic control variation step, range of pressure change in the high-temperature sealed kiln is controlled to 1-10 kPa. According to the invention, the graphite powder with high carbon content can be obtained under the condition of low calcination temperature. The preparation process is simple, and the requirement on equipment is low.

The invention discloses a liquid nitrogen freezing-type rock cross-cut coal uncovering method. The method comprises the following steps: when the coal uncovering face is close to a safety rock pillar,the coal uncovering face is provided with several freezing boreholes, which pass through the safety rock pillar and the coal seam; the freezing boreholes are injected with water; thermometer holes are arranged at one side of the freezing boreholes, temperature tubes are distributed inside the thermometer holes, and the thermometer holes are sealed; a freezing tube and a slip-casting steel pipe are distributed in each of the freezing boreholes; the freezing boreholes are injected with slurry to fasten the coal body; liquid nitrogen is injected into the freezing tubes and the liquid nitrogen absorbs heat of the coal seam during the gasification process so as to freeze and solidify the coal seam; temperature of the coal seam at the freezing region is monitored by the utilization of the thermometer holes to ensure that the coal seam is fully frozen, and then rock cross-cut is uncovered. The method of the invention has short construction period, is time-saving, has a good solidification effect on the coal seam, and can help raise efficiency and safety of the rock cross-cut coal uncovering operation effectively.

The invention discloses an emergency anti-flood drainage well lid. The emergency anti-flood drainage well lid comprises a main body; a drainage cavity is formed in the main body; six rotating cover plates are mounted in the drainage cavity in an annular array mode; two drainage holes are formed in the rotating cover plates; the drainage holes can be used for daily drainage; extension devices are arranged in the rotating cover plates; and the extension devices comprise extension shafts inside. The daily drainage work can be performed through the drainage holes on the rotating cover plates; solid garbage in sewage is filtered and separated through a filter vibration device; the separated garbage is collected through a filter cavity to prevent blockage of a drainage cavity and to accelerate circulation of the sewage; secondly, the rotating cover plates can be rotated to drive stretching of the extension shafts, so that the water inlet quantity of the drainage cavity is increased, and thedischarge quantity of the sewage is increased; and the emergency anti-flood drainage well lid can be used for the anti-flood work, and guarantees the pedestrian or vehicle passing safety.

The invention relates to an oven with a drying function, which comprises an inner container, a baking tray is transversely arranged in the inner container, an exhaust port is formed in a top plate ofthe inner container and communicated with an exhaust passage with an exhaust fan through fluid, and the oven further includes a lifting device capable of driving the baking tray to reciprocate up anddown. Compared with the prior art, according to the invention, the baking tray can reciprocate up and down under the action of the lifting device; food to be dried placed on the baking tray shakes relative to the baking tray in the up-down reciprocating motion process of the baking tray. Meanwhile, in the working process of the oven, the exhaust fan rotates to form negative pressure in the exhaustpassage; hot air flow from bottom to top is formed in the inner container through the exhaust port, and food particles separated from the surface of the baking tray are completely exposed in the hotair flow to shake under the combined action of the hot air flow and the gravity of the food particles, so that heat exchange and water exchange are quickly performed, and food is quickly dried.

The invention provides a composite geotextile and a drainage reinforcing structure. The composite geotextile comprises an upper fabric layer, a middle fabric layer and a lower fabric layer which are sequentially arranged from top to bottom, the upper fabric layer is a water absorption and drainage geotextile, and the water absorption and drainage geotextile comprises first warp yarns and first weft yarns; wicking fibers are contained inside the first warp yarns and/or the first weft yarns, and a plurality of first through holes are formed between the first warp yarns and the first weft yarns;the middle fabric layer is a geotechnical filter screen, and a plurality of second through holes are formed in the geotechnical filter screen; the lower fabric layer is reinforced geotextile, a plurality of third through holes are formed in the reinforced geotextile, the hole diameters of the second through holes are larger than those of the first through holes and the third through holes respectively, and the first through holes, the second through holes and the third through holes communicate with each another. The drainage reinforcing structure comprises the composite geotextile. The composite geotextile and the drainage reinforcing structure have good soil water absorption and drainage capacity and long service life.

The invention discloses a self-cleaning chimney. The self-cleaning chimney comprises a chimney body; two mounting rods are symmetrically and fixedly connected to the inner side wall of the chimney body, a fixing seat is mounted between the two mounting rods, a rotating rod is vertically inserted on the fixing seat, and the rotating rod penetrates through the fixing seat; a wing plate is horizontally mounted at the bottom end of the rotating rod, the two ends of the wing plate are connected with stainless steel scraping sheets correspondingly, and the bottom ends of the two stainless steel scraping sheets are connected with the wing plate as well; and a first bevel gear is mounted at the top end of the rotating rod, a driving motor is mounted on the outer side wall of the chimney body, anda connecting rod is mounted on a motor shaft of the driving motor through a coupling. According to the self-cleaning chimney, a driving mechanism is transferred to the exterior of the chimney, a scraping brush mechanism is arranged to clear the inner wall of the chimney body, meanwhile, the wing plate is utilized to assist smoke in being upwards discharged, the circulating area of the interior ofthe chimney is increased, meanwhile, power during smoke discharging is improved, flue gas is promoted to be discharged more quickly, and the discharging efficiency is greatly improved.

The invention provides exhaust gas treatment equipment used for industrial environmental protection. The exhaust gas treatment equipment used for industrial environmental protection comprises a base,a filtering tank, filtering water, a gas inlet pipe, a fixing flange, an inlet gas dedusting pipe structure, an unpleasant odor adsorption board structure, an adjustable environmental protection boardstructure, a gas outlet filtering pipe structure, a water inlet pipe, a sealing cap, a drainage pipe, a manual valve, a drainage band, a fixing box, an accumulator, a photovoltaic converter and an exhausting switch. According to the exhaust gas treatment equipment used for industrial environmental protection, by arranging a collecting pipe, an insertion frame, a collecting box, a stainless steelfiltering net, a nylon net and a glass fiber filtering net, the exhaust gas treatment equipment used for industrial environmental protection is beneficial for filtering large particles in exhaust gas,treatment is facilitated, and environmental pollution is prevented; by arranging an HEPA filtering net, an activated carbon filtering net and a sleeve pipe, the exhaust gas treatment equipment used for industrial environmental protection is beneficial for filtering exhausted air, so that air pollution is prevented; by arranging an adjustment board, solar panels, the accumulator and the photovoltaic converter, the exhaust gas treatment equipment used for industrial environmental protection is beneficial for power generation by means of solar energy, energy saving is facilitated, and an environmental protection effect is achieved.

The invention discloses an ink spraying type liquid crystal coating machine and an exhaust method for the nozzle of the coating machine, and aims to reduce the liquid crystal loss, and accelerate the exhaust speed of gas in the nozzle of the coating machine. The coating machine comprises a liquid storage device, an injector, the nozzle, a first communicating pipeline, a second communicating pipeline, a third communicating pipeline, a first control valve, a second control valve, a third control valve, and a fourth control valve, and further comprises a seal cover for at least hermetically covering the outlet of the nozzle, and a fifth control valve arranged on the third communicating pipeline, wherein when the first to fourth control valves are all opened and the fifth control valve is closed, the injector, the nozzle and the liquid storage device are communicated with one another; when the first control valve, the fifth control valve and the third control valve are all opened and both the second control valve and the fourth control valve are closed, the injector and the liquid storage device are communicated with each other.

The invention provides a warehousing system and an asphalt mixing plant. The warehousing system comprises a stirrer, a receiving hopper, a transportation vehicle and a warehouse body, wherein the receiving hopper is connected with the stirrer and is provided with a discharge channel, and when the stirrer discharges materials, an inlet of the discharge channel communicates with an outlet of the stirrer; the transportation vehicle is movably arranged below the receiving hopper and provided with a feeding port and a discharging port; a receiving port is formed in the warehouse body; the feeding port is in sealed connection with the receiving hopper when the transportation vehicle is used for receiving materials, the transportation vehicle is in sealed connection with the receiving port when used for discharging the materials, and besides, a dust removing port is formed in the receiving hopper and connected to a negative pressure source. According to the warehousing system provided by the invention, sealing can be kept in receiving and discharging processes of the transportation vehicle, smoke and dust are effectively prevented from leakage, besides, the smoke and dust can be discharged through the dust removing port in the receiving hopper timely and collected, so that the amount of smoke and dust emitted to the atmosphere is remarkably reduced, and the warehousing system and an asphalt mixing plant meet the green and environment-friendly production concept.

The invention discloses an impinging stream type ionization high-temperature waste gas harm removal, separation, degradation and circulation treatment device. The device comprises a separation bottom supporting seat, a separation tower supporting frame, a clash type negative pressure separation and degradation tower, an inertia type impinging stream mixing periodic swinging box, an adsorption type electrostatic state dust cleaning and storage box, a multifunctional integrated waste gas degradation water storage box, an ultrasonic waste water circulation purification and harm removal box, an impinging stream waste gas atomization cooling adsorption and degradation mechanism, a circulating cooling waste water ultrasonic purification mixing oil reduction mechanism, an all-dimensional electrostatic adsorption dust storage treatment mechanism, a negative pressure absorption waste gas filtering zero emission mechanism, a spraying covering cooling dust removal cooling mechanism and a temperature difference type power generation heat collection cooling emission mechanism. The invention belongs to the technical field of industrial waste gas treatment, and particularly provides an impinging stream type ionization high-temperature waste gas harm removal, separation, degradation and circulation treatment device which integrates separation and degradation of harmful substances contained in high-temperature waste gas and adsorbs and filters dust in all directions.

The invention provides a water tank, and relates to the technical field of kitchenware. The water tank comprises a tank body without an overfall gap in the side wall and a water discharging device; the water discharging device comprises a water discharging pipe and a water discharging pump, and the water discharging pipe communicates with the water discharging pump; a water discharging opening isformed in the bottom of the tank body; and the water inlet end of the water discharging device communicates with the water discharging opening. According to the water tank, through the arrangement ofthe water discharging pump, the flow rate of a water body in the water discharging device can be increased, the discharging rate of the water body is correspondingly increased, time consumption is reduced, and the use convenience degree of the water tank is improved; in addition, the flow rate of the water body in the water discharging device is increased, and the blocking probability of sundriesin the water body in the water discharging device is reduced; and when the water body flows through the water discharging device, the water discharging pipe and the water discharging pump can be scoured, adherency of the sundries or grease to the water discharging device is further reduced, and the occurrence of the blocking condition of the water discharging device is reduced.

The invention discloses a multi-ventilation-hood control system which comprises a plurality of ventilation hoods, air detection devices in one-to-one correspondence with the ventilation hoods, an air outlet pipe and a control module. The multiple ventilation hoods are installed indoors in a dispersed mode. Local air in the positions where the ventilation hoods are located can be exhausted through the ventilation hoods. In this way, when harmful matter appears in the local air, an air sucking pump in the corresponding ventilation hood can be started, and the local air containing the harmful matter is exhausted to the outside in time through the air outlet pipe, so that diffusion of the harmful matter in the local position is restrained, and the indoor air safety is guaranteed.

The invention discloses a novel sewage treatment pool water gate based on silt flow division treatment. The novel sewage treatment pool water gate structurally comprises a flow division opening distribution device and a silt flow division control box, wherein the flow division opening distribution device is provided with a pollution discharging hopper, a pressure triggering mechanism and a flow division control device; and the silt flow division control box is provided with a reset spring, a pressure folding device, a sealing ring and a flow division opening transmission mechanism. The novel sewage treatment pool water gate based on silt flow division treatment has the beneficial effects that the motion of a silt gravity press plate can be controlled through pressure, so that the pressurefolding device is driven to work; a flow division opening baffle plate is pulled to be opened; the silt flow division is realized; the silt discharge speed is accelerated; meanwhile, the blockage probability of a discharging opening by the silt can be reduced; and the sewage treatment effect is enhanced.

The invention relates to a full-wind-pressure gas emission method adopting advanced boreholes for a coal face. The method adopts the advanced boreholes connected to an upper wind roadway and a lower wind roadway of a working face for gas emission and specifically comprises the following steps that an original common gas tail roadway is utilized as a special gas emission roadway for a zone, for original advanced gas drainage boreholes which are not through in a coal body, a haulage roadway for the zone is directly communicated with the special gas emission roadway for the zone, so that the windflow passes through the through boreholes, gas around the boreholes is directly brought to the special gas emission roadway through the entrainment effect, drainage equipment emission is changed intospecial roadway emission, and after the implementation, a coal wall of the working face does not need to carry out shallow hole gas emission work. According to the method, the emission quantity of the gas emission boreholes is selected, so that the gas concentration in the special gas emission roadway can be kept within a reasonable range, and the emission efficiency and the safety degree can begreatly improved; and the gas in the coal wall is directly emitted through a full-wind-pressure wind path, so that the gas emission quantity of the working face is decreased.

The invention discloses waste car crushing equipment facilitating dust removal. The waste car crushing equipment facilitating dust removal comprises a crushing cavity, a driving cavity, a dust collection cavity and a material collection cavity. The driving cavity is arranged on the sidewall of the crushing cavity. The dust collection cavity and the crushing cavity are arranged above the material collection cavity. The material collection cavity is internally provided with a partition board. A precipitation mechanism is arranged on one side of the partition board. The bottom of the material collection cavity is provided with a third discharge port. A residue discharge mechanism is arranged in the third discharge port. The bottom of the material collection cavity is provided with a mud scraping mechanism matched with the precipitation mechanism. Through the structural arrangement, precipitates at the bottom of the material collection cavity can be effectively scraped off so that the precipitates can be discharged from the material collection cavity through a residue discharge mechanism in the third discharge port, the cleaning effect on the bottom of the material collection cavity isenhanced, and the precipitate discharge efficiency is improved.