49results about How to "Slow ascent" patented technology

The invention relates to the technical field of industrial waste gas purification, in particular to an industrial waste gas purification ecological protection device which comprises a machine body, a purification liquid cavity and a dust collection cavity are integrally formed in the middle of the machine body, an annular limiting groove is formed in the inner wall of the machine body, and an impurity temporary storage cavity is integrally formed in the bottom end of the machine body; an impurity separation assembly is arranged at the bottom of the inner side of the machine body, and the annular limiting groove is slidably connected with the driving assembly. According to the improved ecological protection device, waste gas entering the machine body is subjected to primary impurity removal through the impurity separation assembly, so that the filtering pressure of a filter screen is reduced, a cleaning piece and an impurity cleaning plate are driven to rotate, impurities in the filter screen and an impurity temporary storage cavity are cleaned, meanwhile, a driving assembly can further drive a spraying turbulent flow assembly to operate, and the cleaning effect is improved. The rising speed of the waste gas is reduced while purifying liquid is sprayed out of the industrial waste gas, the contact time of the purifying liquid and the waste gas is prolonged, and the purifying effect on the industrial waste gas is improved.

The invention provides a fault processing device and method compatible with arc suppression coil operation, and relates to the technical field of power supply equipment, the device comprises an arc suppression coil module and an intelligent grounding module, and the arc suppression coil module and the intelligent grounding module are connected in parallel; the arc suppression coil module comprises a first front circuit breaker, a first grounding transformer, an arc suppression coil and a first current limiting resistor, the wire inlet end of the first front circuit breaker is connected with a bus of the power distribution system, the output line of the first front circuit breaker is connected with the wire inlet end of the first grounding transformer, and the neutral point of the first grounding transformer is connected with one end of the arc suppression coil. The other end of the arc suppression coil is connected with a current-limiting resistor I, and the other end of the current-limiting resistor I is grounded; the intelligent grounding module comprises a front circuit breaker II, a fault phase selection sub-module and a fault line selection sub-module, a bus of the power distribution system is connected with a wire inlet end of the front circuit breaker II, the fault phase selection sub-module is connected with the front circuit breaker II in series and then is grounded, and the fault line selection sub-module is connected with the fault phase selection sub-module in parallel.

The invention discloses an absorption tower flue inlet flushing device, and relates to the technical field of absorption tower flue inlet flushing, the absorption tower flue inlet flushing device comprises a cleaning and scraping unit, and the cleaning and scraping unit comprises a movable gear ring, a clamping ring, a cleaning and scraping assembly and a connecting ring; the flushing unit comprises a connecting frame, a gear, a clamping ring, a clutch piece, a reciprocating rod, a protection piece and a flushing assembly. The device has the beneficial effects that the effect of cleaning and scraping scale on the inner wall of the flue is achieved firstly, and if the scale cannot be cleaned and scraped, the flushing assembly is started again to flush the pipe wall at the position and then scrape the scale. The flushing frequency and range of the flue are reduced, so that the rising speed of the liquid level of the absorption tower is reduced, and the situation that the liquid level of the absorption tower and the differential pressure of the demister cannot be controlled is avoided.

The utility model provides a ring main unit anti-theft device which comprises supporting legs, a ring main unit body is installed on the top faces of the supporting legs, a box door is hinged to the front end of the ring main unit body, an anti-theft box, an open circuit inductor, a controller, a storage device, a signal transmission module and a GPS positioning module are arranged in the ring main unit body, and a basic rainproof device is fixedly installed on the top face of the ring main unit body. And an automatic lifting type rainproof device is fixedly mounted at the front end of the basic rainproof device. According to the ring main unit anti-theft device, the waterproof device can be automatically started according to the size of rainwater, the rainwater is prevented from intruding into the ring main unit from a gap of the box door, and therefore the effect of protecting internal parts is achieved.

The utility model discloses a kind of nanometer air floatation buffer tubes, including the inner tube and outer tube of each other nesting, inner tube one end is closed, outer tube two ends are coaxially connected with sealing support ring, outer tube is fixedly sleeved on inner tube by the sealing support ring of two ends, and there is spacing between outer tube inner side wall and inner tube outer side wall;Several outer aeration holes are opened through on outer tube side wall, several inner aeration holes are opened through on the side wall surrounded by outer tube, and outer aeration hole and inner aeration hole stagger without overlapping each other.Outer aeration hole inner side wall is curved.The utility model in, outer aeration hole and inner aeration hole staggered each other can avoid gas directly by inner cavity of inner tube directly into water body, gas pressure in inner cavity of inner tube will be buffered part between inner tube and outer tube spacing;In addition, gas pressure will be further absorbed by the inner side wall of curved outer aeration hole, the above two structures greatly reduce the pressure in gas release process, increase sewage treatment efficiency, shorten sewage treatment time.

The invention belongs to the technical field of energy power generation, and discloses a gravity energy storage system and a control method. The gravity energy storage system comprises a supporting unit, an energy storage unit, conversion units, a slow release unit and a control unit, an energy storage part of the energy storage unit has an energy storage position and an energy release position, each conversion unit comprises conversion mechanisms and a traction rope, the two conversion mechanisms are arranged on the two sides of the traction rope and are in transmission connection with the traction rope, and the traction rope is wound around the energy storage part. The slow release unit comprises a first pressing piece and a second pressing piece, and the traction rope is arranged between the first pressing piece and the second pressing piece in a penetrating mode. The control unit adjusts the first pressing piece to enable the first pressing piece to be close to or away from the second pressing piece so as to provide pressure for the traction rope, then the moving speed of the traction rope is adjusted, sudden rising and sudden falling of the energy storage piece are avoided, and then it is ensured that the gravity energy storage system has high stability and use safety.

The invention relates to an oat peptide rich in prebiotics and a preparation method thereof, and belongs to the technical field of biology, the product adopts oat peptide, prebiotics, wall-broken oat powder, white hyacinth bean powder, roxburgh rose powder and lotus seed powder as main raw materials; wherein the oat peptide is the oat peptide which is 5kDa or below and is obtained by sequentially carrying out step-by-step enzymolysis on oat protein through papain, snail protease and nattokinase; the white hyacinth bean powder is an extract obtained by performing common enzymolysis on white hyacinth beans through cellulase and pectinase and then sequentially performing step-by-step enzymolysis on the white hyacinth beans through trypsin and papain; the lotus seed powder is an extract obtained by performing common enzymolysis on peeled lotus seeds through cellulase and pectinase and then sequentially performing step-by-step enzymolysis through fig protease and papain. The product follows the functions of clearing, regulating and nourishing, all aspects are matched in a balanced mode, the digestion and absorption rate is increased, blood toxins and intestinal waste are removed, blood sugar and blood fat are reduced, immunity is improved, mood comfort is facilitated, and nerve soothing and sleep aiding are achieved; the effect is prominent, rapid and safe without side effects.

The invention relates to the technical field of hydrogen water production, and provides a nanobubble hydrogen water production device which comprises a hydrogen production barrel. According to the hydrogen production barrel, the control block is started, the condensation pipe starts to refrigerate to condense water in the water storage barrel, so that hydrogen can be rapidly dissolved and then is discharged into the hydrogen production barrel through the water conveying pipe, and the reciprocating thread is located at the topmost end of the reciprocating thread and stops when water is added to the bottom end of the reciprocating thread; when hydrogen water is produced, the motor is started, the motor drives the rotating rod to rotate, the rotating rod drives the pressurizing plate to move downwards through reciprocating threads, and as the pressurizing plate is tightly attached to the inner wall of the hydrogen production barrel, when the pressurizing plate moves downwards, hydrogen between the pressurizing plate and the water is pushed to be compressed downwards; when the pressurizing plate ascends, the water and the hydrogen lose the pressure and are lifted upwards, so that the water and the hydrogen are contacted, fused and reciprocatingly moved again, and the hydrogen rising to the surface can be repeatedly fused.

The invention discloses tray drying equipment and a drying method, the tray drying equipment is used for drying cleaned trays, and the tray drying equipment comprises a conveying device used for conveying the trays; each drying chamber is provided with a chamber air outlet connector communicated with the drying chamber; the air blower is provided with an environment air inlet connector, a cavity air inlet connector, an air blower air outlet connector, a first valve body and a second valve body; the air blower is a high-pressure air blower, and the number of air outlet connectors of the air blower corresponds to the number of the drying cavities. Air outlet joints of the air blowers are communicated with the drying chambers respectively and are used for drying the trays; the cavity air outlet connector is communicated with the cavity air inlet connector, and the cavity air inlet connector is communicated with an air inlet of the air blower through the first valve body. The environment air inlet connector is communicated with an air inlet of the air blower through the second valve body. According to the technical scheme, the drying effect and drying speed of the equipment are improved, and the drying yield of the equipment is increased.

The utility model relates to the technical field of flue gas treatment, in particular to a glass fiber reinforced plastic desulfurizing absorption tower which comprises a tower body, a first mounting box is fixedly connected to the lower part of the outer wall of the rear end of the tower body, a water pump is fixedly connected to the inner bottom surface of the first mounting box, and a first connecting pipe is fixedly connected to the water outlet end of the water pump; a plurality of liquid spraying pipes are fixedly connected to the front end of the first connecting pipe, the front ends of the liquid spraying pipes penetrate through the tower body to the interior of the tower body and are fixedly connected with the tower body, and a plurality of liquid spraying heads are arranged at the lower ends of the liquid spraying pipes. According to the glass fiber reinforced plastic desulfurizing absorption tower, residues can flow into the slurry tank after the glass fiber reinforced plastic desulfurizing absorption tower is cleaned, the cleaning plate is driven by the servo motor to rotate, the residues at the bottom of the slurry tank are pushed when the cleaning plate rotates, the residues can fall into the sewage collecting tank in the pushing process, and finally the residues are discharged through the sewage pump. And therefore, the residues can be conveniently and quickly cleaned.

The invention discloses an automatic drilling and tapping all-in-one machine, and relates to the technical field of machinery, the automatic drilling and tapping all-in-one machine comprises a bearing driving seat, and the side end of the top of the bearing driving seat is provided with an automatic claw clamp adjusting and fixing seat; according to the invention, under the cooperation of the self-adaptive position correction assembly, the contact adjustment formed dynamically is utilized, so that the stress contact piece can form contact with the other side of the processing position of the workpiece during processing, the accumulated positioning error is reduced, the accurate calibration of the position of the workpiece is realized, and the position deviation is controlled within an extremely small range; the position and angle of the temperature control phase change adjusting structure are dynamically adjusted according to the temperature change of different parts of the workpiece under the cooperation of the thermal change auxiliary regulation and control assembly, the problem that the machining precision is reduced due to the fact that the local temperature is too high is effectively solved, the quality stability and consistency of products are improved, the temperature fluctuation range of the workpiece is reduced by 50%-70%, and the machining efficiency is improved. And material thermal stress and deformation caused by temperature fluctuation are reduced, the service life of the cutter is prolonged, and the machining efficiency is improved by about 20%-30%.

The air outlet structure comprises a main body shell, an air inlet cavity, an air inlet, an air outlet cavity, a draught fan and a heating assembly, the main body shell comprises an air inlet part and an air outlet part which are rotatably connected, and the air inlet cavity is formed in the air inlet part; the air inlet is formed in one side of the air inlet part and communicates with the air inlet cavity; the air outlet cavity is arranged in the air inlet part and the air outlet part and is communicated with the air inlet cavity; the fan and the heating assembly are arranged in the air inlet cavity in the flowing direction of air. The air conditioner further comprises a plurality of air outlets, an air guide assembly and a heat insulation cavity. The air guide assembly is arranged in the air outlet cavity and distributes air entering the air outlet cavity to the multiple air outlets, and the multiple air outlets are formed in the air outlet part at intervals; the heat insulation cavity is formed in the air outlet part and surrounds the air outlet cavity and the multiple air outlets, the heat transfer amount of the air outlet cavity or the air outlets to the outer surface of the main body shell is reduced, the rising speed of the temperature of the outer surface of the main body shell is slowed down, and a user can make contact with and adjust the air outlet structure conveniently in the using process.

The invention relates to the technical field of acid mist purification treatment, and discloses a uniform-spraying acid mist purification device for zinc smelting, which comprises a spray tower, a filler layer group fixedly mounted in the spray tower, a mounting sleeve fixedly mounted on the filler layer group, and a rotating shaft body mounted in the mounting sleeve, a mounting ring is fixedly mounted at the end, located outside the mounting sleeve, of the rotating shaft body, a plurality of sheet-type supports are mounted on the mounting ring, a plurality of actuating rod frames are connected to the sheet-type supports, and a driving mechanism is further arranged in the mounting sleeve; according to the uniformly-spraying acid mist purification device for zinc smelting, the action rod group acts on fillers on the filler layer group, so that the mutually-bonded fillers are separated under the action, viscous impurities on the surfaces of the fillers can be effectively removed under the action of rolling balls, the bonding rate between the fillers is reduced, and the wiping part is effectively wiped under the action of sponge on the wiping part; impurities on the surfaces of the rolling balls can be effectively removed, the packing layer set is prevented from being blocked, and the purification effect is improved.

The invention belongs to the technical field of electronic circuits, and provides a slope control circuit, a chip and electronic equipment. The circuit comprises a coupling module, a first switch module, a second switch module, a Miller compensation module and a logic module, and the logic module is connected with the coupling module, the second switch module, the Miller compensation module, a controller and a grid electrode of a first field effect transistor. The first switch module is connected with the second switch module, the Miller compensation module and the drain electrode of the first field effect transistor. The logic module outputs a first voltage signal, a second voltage signal and a third voltage signal according to a first level signal output by the controller; the coupling module outputs a coupling signal according to the first voltage signal, so that the first field effect transistor enters a saturation region; the Miller compensation module reduces the rising speed of the grid voltage of the first field effect transistor after the first field effect transistor enters the saturation region; the first switch module is switched on according to the second level signal, so that the second switch module is switched on according to the second voltage signal and the third voltage signal.

The application discloses a kind of liquid crystal television anti-deformation modular frame structure, including strip frame and corner frame, strip frame and corner frame are installed to television shell outside, the strip frame and corner frame cooperate television shell and limit the fixed display screen assembly, the strip frame is fixedly installed with installation portion between the corner frame, and extruded cotton is provided with installation portion outside, extruded cotton is close to display screen assembly edge position, and the deformation amount of thermal expansion and contraction is compensated by using the elasticity of extruded cotton itself.The liquid crystal television anti-deformation modular frame structure, extruded cotton is close to display screen assembly edge position after assembly, reach the purpose of limiting the fixed display screen assembly, and when temperature rises, the deformation amount of frame is greater than display screen assembly, at this time, extruded cotton is extruded and deformed, compensates deformation amount, avoids the case that frame directly extrudes display screen assembly and causes top screen damage.

The invention provides a phase judgment mistake proofing type grounding processing device and method, and relates to the technical field of power distribution management, the device comprises a front circuit breaker, a fault phase selection module and a fault line selection module, a three-phase line led out from a power distribution system bus is connected with the front circuit breaker, the fault phase selection module is connected with the front circuit breaker in series and then is grounded, and the fault line selection module is connected with the front circuit breaker. The fault line selection module is connected in parallel with the fault phase selection module; the fault phase selection module comprises an arc-extinguishing split-phase circuit breaker, a current-limiting resistor and arc-extinguishing switches, the input ends of a plurality of split-phase switches in the arc-extinguishing split-phase circuit breaker are respectively connected with a multi-phase output line of the front circuit breaker, one end of the current-limiting resistor is simultaneously connected with the output ends of the plurality of split-phase switches, and the other end of the current-limiting resistor is grounded; the arc extinction switch is connected in parallel with the current-limiting resistor; and a first current transformer is assembled on a common grounding line of the current-limiting resistor and the arc extinction switch. According to the invention, stable operation of the power distribution system in a period of time without a fault can be maintained in the face of a single-phase grounding permanent fault.

The utility model discloses an assembly type steel structure fireproof connection node structure, and relates to the technical field of steel structure connection nodes, the assembly type steel structure fireproof connection node structure comprises four steel structures, each steel structure is integrated with a fireproof mechanism for fire prevention, and the steel structures are connected with the fireproof mechanism. The fireproof mechanism comprises triangular connecting pieces, side expansion fireproof gaskets and heat insulation cotton, and supporting steel is fixedly installed at the ends of the three sides of each triangular connecting piece. The heat insulation cotton, the side expansion fireproof gaskets and the end expansion fireproof gaskets are arranged on the triangular connecting piece and matched with one another, the heat insulation cotton can achieve a good heat insulation effect, the rising speed of the node temperature is delayed, and therefore the fire resistance of the node is improved, and when the fire behavior is serious, the heat insulation effect is good. The side expansion fireproof gaskets and the end expansion fireproof gaskets can expand rapidly to form a thick foam-shaped heat insulation layer to prevent fire from spreading.

The present application relates to the field of water pollution treatment, and provides a water endogenous pollution collaborative treatment device based on three-dimensional in-situ regulation. The water endogenous pollution collaborative treatment device based on three-dimensional in-situ regulation comprises an integrated box, a blue oxygen bubble generating unit, an active mineral adding unit and a monitoring and regulating unit. The water endogenous pollution collaborative treatment device based on three-dimensional in-situ regulation can realize the space-time collaboration of emergency treatment, source control and long-term maintenance, avoid the invalid treatment of traditional technology on water bodies, improve the treatment efficiency, mainly use physical and chemical reactions in the whole treatment process, create suitable conditions for the recovery of submerged plants and benthic animals, and realize non-destructive in-situ repair without the huge dredging and sludge disposal costs of traditional mechanical dredging.

The present invention belongs to the technical field of charging stations, and specifically is a temperature control auxiliary structure for an electric two-wheeled vehicle charging station; it comprises an outer shell, an inner shell, and a compressible compression bag; in the present invention, a top cover realizes reciprocating motion in the vertical direction under the action of an electric push rod, which drives the state of the compression bag to switch between an expansion state and a compression state, because when the compression bag expands, external gas is sucked into the inner shell; because the temperature of the external air is relative to the temperature inside the inner shell, with the entry of external gas, the temperature inside the inner shell can be reduced more quickly; then when the compression bag is squeezed, the gas inside the inner shell is discharged to the outside through the air vents, and the internal heat is carried out at the same time, so that the temperature inside the inner shell can be cooled more quickly.

The utility model relates to an activated bauxite ore flotation device in the technical field of ore separation equipment, which comprises a flotation machine tank body, a stirring assembly and a scraper assembly, the stirring assembly comprises a stirring impeller, a stirring rotating shaft, a hollow air pipe, a stirring motor, a motor support and a motor fan cover, and the stirring impeller is arranged at the lower end of the stirring rotating shaft; an impeller protective cover covers the periphery of the stirring impeller, an air inlet is formed in the side wall of the motor support, an air inlet is formed in the top of the motor fan cover, the stirring rotating shaft is sleeved with the hollow air pipe, and an air outlet is formed in the side wall of the impeller protective cover; the scraper blade assembly comprises a scraper blade rotating shaft, a rotating scraper blade and a scraper blade motor; a concave notch is formed in the outer side edge of each rectangular blade of the stirring impeller; a plurality of layers of damping screen plates are laid in the flotation machine tank body; and a plurality of vertical guide vanes are annularly distributed on the periphery of the impeller shield. According to the flotation device, through the structural design of the stirring impeller, the rotating load of the stirring motor is reduced; the damping net plate reduces the rising speed of the bubbles, and the formed bubbles are finer and more uniform.

The utility model relates to the field of inorganic waste gas treatment, and discloses an energy-saving inorganic waste gas treatment biological deodorization filter tank which comprises a treatment tank, a gas inlet is formed in the bottom of the treatment tank, a fixed support is fixedly connected to the inner wall of the bottom end of the treatment tank, and a rotating assembly is rotationally connected to the top of the fixed support. A worm is fixedly connected to the top end of the rotating assembly, a worm gear is meshed with the outer side of the worm, a rotating shaft is fixedly connected to the interior of the worm gear, stirring blades are fixedly connected to the periphery of the rotating shaft, and rotating supports are rotationally connected to the front side and the rear side of the rotating shaft. According to the utility model, by arranging the fan blades, the worm and the worm gear, when the gas is pumped into the treatment tank, the gas is scattered twice by the fan blades and the stirring blades, so that the gas is uniformly distributed in a water body, and meanwhile, the rising speed of the gas in the treatment tank is reduced, and the gas slowly and uniformly passes through the filtering assembly, so that the treatment efficiency is improved, and the energy is saved.

The invention belongs to the technical field of charging stations, and particularly relates to a temperature regulation and control auxiliary structure for an electric two-wheeled vehicle charging pile station. Comprising an outer shell, an inner shell and a compressible compression bag, the reciprocating motion in the vertical direction is achieved through the top cover under the action of the electric push rod, the state of the compression bag can be driven to be switched between the expansion state and the compression state, and when the compression bag is expanded, external gas can be sucked into the inner shell; as the temperature of the external air is relative to the temperature of the interior of the inner shell, the temperature of the interior of the inner shell can be rapidly reduced along with entering of the external air; and then, when the compression bag is extruded, air in the inner shell can be exhausted outwards through the air holes, meanwhile, heat in the inner shell is carried out, and therefore the interior of the inner shell can be cooled more quickly.

The invention discloses a high-efficiency drying device for producing phosphate rock powder pellets, comprising a feeding mechanism, a drying tower body, a feeding mechanism and a heating mechanism, wherein the drying tower body comprises a feeding section, a drying section and a discharging section arranged in sequence from top to bottom, wherein multiple rows of guide plates are installed inside the drying section, and the discharging section comprises multiple discharging cone buckets; the heating mechanism comprises an air inlet chamber, an exhaust chamber and a hot air furnace, and multiple rows of heating pipes are installed in the drying section, and the heating pipes are respectively connected to the air inlet chamber and the exhaust chamber; the discharging mechanism comprises a supporting plate, an upper supporting plate beam and a lower supporting plate beam, wherein the supporting plates are installed above the upper supporting plate beam at intervals, and 2 to 4 flexible connectors are installed between each upper supporting plate beam and the load-bearing bottom plate; a guiding cone and a discharging mechanism are installed below the discharging mechanism, and a driving mechanism is installed on one side of the discharging mechanism. The device can realize continuous feeding, drying, discharging and discharging drying operations, and has the advantages of high drying efficiency, significant drying effect, stable operation and the like.

The invention relates to the technical field of planter equipment, in particular to a spacing-adjustable soybean and corn strip-shaped composite planter which comprises a traction frame, a seed-metering device, a seed-metering pipe, a fertilizer applicator and a fertilizer applying pipe, a sliding rail is arranged on the traction frame, a mounting seat is slidably mounted on the sliding rail, the seed-metering device and the fertilizer applicator are both arranged on the mounting seat, and the fertilizer applying pipe is arranged on the mounting seat. A seed metering pipe and a fertilizer applying pipe are arranged on the seed metering device and the fertilizer applying device, two guide rails are arranged on the mounting seat, guide pipes are arranged in the two guide rails, the two guide pipes are respectively sleeved on the seed metering pipe and the fertilizer applying pipe, each guide pipe is divided into an insertion part, a hose and a sliding part, and the insertion part is connected with the sliding part through the hose. The insertion part is connected with the sliding part through the hose, so that the guide pipe can rotate after being inserted into soil, the guide pipe is prevented from pulling the film, the film is prevented from being damaged greatly, the film is prevented from being lifted to generate bumps, the heat preservation, moisture preservation and weed suppression effects of the film are guaranteed, and planting benefits are guaranteed.

This utility model relates to the field of flue gas treatment technology and discloses a boiler environmental protection flue gas treatment reaction tower, including a reaction tower. The reaction tower has a spray mechanism installed inside for spraying a desulfurizer to remove sulfides from the boiler flue gas. The reaction tower also has a turbulence-inducing mechanism inside, which includes a transmission rod and a reciprocating drive assembly for driving the transmission rod to reciprocate. Several equidistant No. 3 hinge seats are arranged on the bottom surface of the transmission rod, and a No. 3 rotating shaft is rotatably connected to each No. 3 hinge seat. The reciprocating drive assembly drives the transmission rod to reciprocate. Through the transmission via the No. 3 hinge seats, the No. 2 connecting rod, and the No. 2 connecting rod, the fan blades on the mounting rod swing back and forth neatly. The resulting airflow resistance can slowly reduce the rising speed of the flue gas, prolonging its contact time with the spray liquid, ensuring that the desulfurizing agent and sulfides react fully, and significantly improving the desulfurization effect.

The invention relates to the technical field of PVC material preparation, in particular to a slush molding PVC skin preparation process based on a modified PVC material, which comprises the following steps: heating a slush molding mold, conveying a material box containing PVC slush molding powder to the lower part of the slush molding mold, and connecting and coupling the material box and the slush molding mold; turning over the coupled material box and slush molding mold for a plurality of times, separating the material box from the slush molding mold after the redundant PVC slush molding powder falls into the material box, cooling the slush molding mold, and demolding to output a finished product slush molding skin; determining the interval duration between the heating moment and the cooling moment based on the average roughness of the sampling area in the finished product slush molding skin; the first overturning speed of the slush molding mold is determined based on the proportion of the number of defective products in the slush molding skin of the finished product; and the second overturning speed is determined based on the maximum thickness difference quantity of the finished product slush molding skin. According to the invention, the preparation accuracy of the PVC material is improved.

The invention relates to the field of waste gas treatment, in particular to a waste gas desulfurization and denitrification treatment device, and solves the problem of insufficient contact between waste gas and absorption liquid. A spraying mechanism comprises a liquid inlet pipe connected with a liquid inlet, the end, away from the liquid inlet, of the liquid inlet pipe is rotationally connected with a rotating pipe, the rotating pipe is provided with a plurality of liquid distribution pipes, the ends, away from the rotating pipe, of the liquid distribution pipes are rotationally connected with a spraying pipe, and the spraying pipe is provided with a plurality of spraying openings. The first platform and the second platform are rotationally arranged in the tank body, ventilation openings are formed in the middles of the first platform and the second platform, a baffle is arranged between the two ventilation openings, the spraying pipe rotationally penetrates through the first platform and the second platform, gears A are arranged at the bottom of the spraying pipe, and annular racks in meshed connection with the gears A are fixedly arranged in the tank body; the contact area and contact time of absorption liquid and waste gas can be increased, the utilization rate of the absorption liquid is increased, the absorption liquid and the waste gas are in full contact, and the desulfurization and denitrification effect is improved.

The invention relates to the technical field of spray towers, discloses a steel mill waste gas energy-saving combustion treatment device and a use method, and aims to solve the problem that the desulfurization effect is reduced due to the fact that spray liquid of an existing waste gas treatment device is difficult to make full contact with hot gas. By flexibly changing the height position of the nozzle, the spraying angle and the coverage range of the desulfurization liquid can be accurately adjusted, so that the slurry wraps dispersed hot flue gas more comprehensively, deep contact and sufficient reaction of the slurry and the dispersed hot flue gas are realized, and finally, the overall desulfurization effect and the treatment efficiency are remarkably enhanced; the rising speed of hot flue gas in the device can be obviously delayed, the contact reaction time of the hot flue gas and a catalyst is prolonged, the hot flue gas is fully permeated into a catalyst system, deep fusion and efficient reaction of the hot flue gas and the catalyst system are ensured, and finally the overall efficiency of catalytic treatment is greatly improved.

The invention discloses ship ballast water treatment equipment, and belongs to the field of sewage treatment.The ship ballast water treatment equipment comprises a treatment part, the treatment part comprises a rotational flow part, a tangential liquid inlet formed in the outer wall of the rotational flow part, a sand settling opening formed in the lower end of the rotational flow part and an overflow pipe fixed to the inner wall of the rotational flow part; the upper end of the overflow pipe is fixedly connected with the inner wall of the rotational flow part; the filter cartridge is arranged at the contraction section of the overflow pipe, and when the second liquid discharge connector is closed, liquid forcibly entering the overflow pipe passes through the filter cartridge, so that small organisms which cannot be separated by cyclone are intercepted; a first spiral flow guide flange in the expansion section can force fluid to rotate at a high speed when the fluid enters the overflow pipe, so that water flow in the contraction section is tangentially swept along the surface of the filter cartridge, and silt and organisms which attempt to be attached to the filter cartridge are continuously stripped off; the effective working time of the filter cartridge is prolonged, and the differential pressure rising speed is slowed down.

The present invention relates to a multi-floor automatic circulation flat plate type tooling plate vertical conveyor, belonging to the technical field of vertical conveyors, comprising a bottom plate, a plurality of floor plates are fixed on the upper surface of the bottom plate, a sink groove is provided on the upper surface of the bottom plate, a conveying frame is fixed on the inner bottom wall of the sink groove, a lifting device is arranged on the upper surface of the conveying frame, a car body is arranged inside the conveying frame, an overspeed protection component for ensuring that the car is at a safe speed is arranged on the car body, and a cooling component for avoiding structural overheating when the car is decelerated is arranged on the car body. The multi-floor automatic circulation flat plate type tooling plate vertical conveyor, through the cooperation of the first baffle plate, the second baffle plate and the torsion spring, when the speed is too fast, the second baffle plate is not rebounded to its original position by the torsion spring, so that the next lever is blocked by the second baffle plate, so that the transmission wheel cannot continue to rotate, and at this time, friction occurs between the transmission wheel and the damping pad, which can slow down the rising speed.