68results about How to "Ensure safety and efficiency" patented technology

The invention discloses a device for simulating and testing water burst of tunnel fissures. A testing soil mass box is composed of a bottom plate, a transparent top plate and around side plates, wherein the top plate is provided with a circular door cover and a rectangular door cover; the side plates are formed by overlapping external loading plates and internal water seepage plates; clamping grooves are clamped at two ends of the side plates; the water seepage plates are fixedly connected with the clamping grooves; adjacent clamping grooves are connected by using a soft material; the testing soil mass box is arranged in a frame-shaped counter-force bracket; a jack is arranged between each clamping groove and the counter-force bracket; a water intake tube which is connected with a pressurizing water intake device is inserted into the counter-force bracket; a water outtake tube is arranged at the bottom of the testing soil mass box; and a water collection container is arranged below the tail end of the water outtake tube. The excavation and water burst process of a tunnel can be revealed more really through the simulation and testing by the device, water burst paths also can be observed, the time and space change and the development regulation of planar fissures can be obtained, valuable testing data and reliable and targeted waterproof construction measures can be provided for designs and construction of tunnels, and the security and the efficiency in the tunnel construction are well ensured.

The invention mainly provides an intelligent tracking tow truck which can bear a certain weight. The tow truck mainly involves a tow truck combined type power management system based on single-chip microcomputer control and a tow truck short-distance wireless two-way navigation system based on single-chip microcomputer control. The intelligent tracking tow truck combined type power management system is powered on by a storage battery, and the storage battery is charged through a solar cell panel or city power. The intelligent tracking tow truck short-distance wireless two-way navigation system achieves man-truck positioning through a wireless induction system, an ultrasonic induction system determines the distance between a person and the truck, and the wireless induction system and the ultrasonic induction system cooperate to achieve synchronous running of the tow truck and a controller. An inclination angle detection system is used for monitoring the pavement conditions in the running process of the tow truck in real time and matched with a direct-current speed reducing motor driving system to achieve automatic acceleration during uphill running and automatic braking during downhill running. The intelligent tracking tow truck is powered on by a hybrid power source of solar energy and the city power, the wireless technology and the ultrasonic technology are used for achieving intelligent control of the tow truck, and the tow truck has the advantages of saving energy, being environmentally friendly, intelligent and the like and is an ideal tool for short-distance low weight carrying.

The invention relates to a sliding-rolling combined type soft friction test apparatus, which comprises a test bed and a loading mechanism which can rotatably support on the test bed, an upper sample mounting rack is arranged on the test bed, and enables linear movement on a plane, an upper sample is fixed on the upper sample mounting rack; a lower sample is arranged at the lower part of the uppersample, and is rotatably butted with the upper sample through the loading mechanism; a frictional force detection mechanism is arranged on the test bed, and is connected with the loading mechanism; the lower sample is an elastic sample, the hardness of the upper sample is stronger than that of the lower sample; the lower sample is butted with the upper sample through the loading mechanism, when the operation is carried out, the lower sample enables rotary movement, the upper sample enables sliding movement, thereby a sliding-rolling combined type soft friction contact couple is formed. The apparatus of the present invention can be used for simulating a residue distribution rule of a petroleum natural gas pipeline inner wall wax deposition after pipe cleaning operation, and provides basis for raising pipeline cleaning efficiency and soft friction research in the petroleum natural gas industry.

The invention discloses a production technology for improving quality of cyclocarya paliurus tea. The production technology has the advantages that the three technologies are improved, such as selection of stand, picking of tender leaves by stages, and single tea preparation by picked tender leaves by stages; 1, the raw material for production is the high-quality and health matured artificial stand which grows in the natural environment, the nutritional ingredients are richer than the nutritional ingredients of artificial young forest, the original ecology attribute of the cyclocarya paliurus tea is guaranteed, and the original natural forest resource of cyclocarya paliurus is protected; 2, according to the phenological period of tender leaf growth of cyclocarya paliurus, the tender leaves are picked by stages; the parameters of the production technology are adjusted according to the shape, size and water content of leaf, and the fine processing is performed; under the synergistic function of steps, the color, shape, fragrance and mouth feel of the cyclocarya paliurus tea are effectively improved, and the inherent quality of the cyclocarya paliurus tea is furthest improved.

The invention discloses a range extender starting control method and further discloses a range extender starting control device. The range extender starting control method comprises the steps that aninstruction from a vehicle controller is answered, and the starting state of a range extender is checked; whether the stating state of the range extender meets the stating condition or not is judged;if the starting condition is met, a power generator is controlled to drag an engine to be started; when the starting time reaches a preset starting duration, whether the engine is successfully startedor not is judged; if the engine is not successfully started, the number of starting failure times is recorded, and whether the number of the accumulated failure times is smaller than a preset value or not is judged; if the number of the accumulated failure times is smaller than the preset value, the power generator is controlled to stop dragging the engine, and after waiting is conducted for a first preset duration, the step that the power generator is controlled to drag the engine to be started is returned to; and if the number of the accumulated failure times is not smaller than the presetvalue, breakdown information is transmitted to the vehicle controller. According to the range extender starting control method and device, active control over range extender engine starting is achieved, the starting success rate of the range extender can be increased, and the situation that the engine is dragged for a long time and thus the risk occurs is avoided.

The present invention provides a method that processing a strong exothermic reaction by utilizing the thermostatic heat exchange device; the thermostatic heat exchange device comprises a reactor and a heater arranged at the bottom of the reactor, the method is that utilizing the circulating water which is arranged in the thermostatic heat exchange device and passes through the reactor and the transmitted reaction gas runs from below to the top in the same direction, making the strong exothermic reaction processed in the reactor is always kept in the constant temperature range; and the present invention provides a mew thermostatic heat exchange device, depending on the temperature difference of water or the motive power of the pump, making the water cycles outside the reactor, on one hand , effectively shifting out the heat giving out from the reaction; on the other hand, replenishing the heat for the places lacking of the reaction heat, making the reaction happen in the constant temperature range, thereby guaranteeing the effective process of the reaction and increasing the efficiency of reaction. The thermostatic heat exchange device has the advantages of good heat transferring effect and small temperature variation, and is capable of automatically maintaining the target temperature, in addition, is safe and reliable.

The invention discloses a fractured rock mass intelligent grouting measurement and control system and an implementation method thereof. The system comprises microseismic detectors, a data substation,an underground monitoring host, a server, a grouting pump, an intelligent control valve and a grouting control end. According to the implementation method comprises, real-time signal sources are monitored in slurry diffusion through utilization of a microseismic monitoring technology; positioning is carried out timely; a practical effective diffusion range of slurry is obtained after verificationis carried out; the practical effective diffusion range is compared with a required grouting diffusion diameter to obtain an evaluation parameter; a difference value between the evaluation parameter and a threshold set by a server terminal is computed; the difference value is fed back to the grouting control end based on a set diffusion computing return program; grouting parameters are dynamicallyadjusted; accurate control over a grouting system is realized based on effect of the intelligent control valve; and intelligent pressure increased and reduced grouting or flow increased and reduced grouting is carried out or grouting is stopped in real time. According to the system and the method, the grouting parameters are dynamically and intelligently adjusted, the effective diffusion range ofthe slurry is accurately realized, slurry material waste is reduced, cost is reduced, and safety and high efficiency of grouting engineering are ensured.

The invention discloses a multifunctional examination bed, comprising a bed board. Slide slots are formed in the front ends of surfaces of the two sides of the bed board; sockets are formed in the inner sides of the slide slots; sliders are slidably connected to the inner surfaces of the slide slots; a U-shaped frame is fixed to the outer surfaces of the sliders, and the inside surfaces of the U-shaped frame are slidably connected to the upper surface of the bed board; a pillow is arranged on the upper surface of the U-shaped frame; tensioning slots are formed in the front ends of the inside surfaces of the sliders, tensioning rods are slidably connected with the back ends of the inside surfaces of the tensioning slots respectively, pull rings are threadingly connected to the back ends ofthe outer surfaces of the tensioning rods through nuts, tension springs sleeve the outer surfaces of the tensioning rods slidably respectively, the outer surfaces of the tension springs are slidably connected to the inside surfaces of the tensioning slots respectively, and insert rods are fixedly connected to the surfaces of the front ends of the tensioning rods respectively. The multifunctional examination bed has the advantages that convenience and stability in use are improved greatly, and both safety and efficiency are guaranteed.

Disclosed in the invention is a camera-base security payment method. The camera is arranged at an electronic terminal of a user; and the electronic terminal includes positioning equipment. The method comprises the following steps that: the electronic terminal carries out equipment authority verification according to positioning information of the positioning equipment and media access control (MAC) address of the terminal itself; after the equipment authority verification is done successfully, the camera is started automatically and carries out scanning on a credit card belonging to the user; image processing is carried out on scanning data to obtain user credit card information; and on the basis of combination of a payment password inputted by the user, payment is completed at a remote payment server. According to the security payment method, before the camera scans the credit card information of the user, the step of equipment authority verification of the payment equipment is added, thereby improving usability, portability and security of electronic transaction of the user. Meanwhile, because of the special image processing algorithm, high-efficiency identification of credit card data is realized.

The invention discloses an automatic finished product testing device for electric circuit board production. The automatic finished product testing device comprises a working table, a mounting groove is formed in the upper surface of the working table, and the inner center position of the mounting groove is rotatably connected with a supporting plate through a rotating shaft. The outer surface of the supporting plate is slidably connected to the inner side surface of the mounting groove, and the outer side of the lower surface of the supporting plate is fixedly connected with a semi-toroidal gear. The center position of the lower surface of the working table is fixedly connected with an arc-shaped open cylinder through a connecting rod, and the inner side surface of the arc-shaped open cylinder is slidably connected to the upper end of the outer surface of the semi-toroidal gear. Supporting legs are fixedly connected to both sides of the lower surface of the working table, and both endsof the inner side surfaces of the supporting legs are fixedly connected with inclined blanking plates. The automatic finished product testing device for the electric circuit board production can greatly improve the convenience and stability of use and ensure the safety and high efficiency through the rotatably connected supporting plate.

The invention discloses a drawing test mechanism for multiple joints. The drawing test mechanism comprises a support base; buffering slide holes are formed on the two sides in the support base; sliding rods are in sliding connection with the inside surfaces of the buffering slide holes; locating holes are formed on the outer surface centers of the sliding rods; buffering springs sleeve the upper ends of the outer surfaces of the sliding rods in a sliding form; limiting plates are arranged on the surfaces of the two ends of the sliding rods; an opening slot is formed in the support base; a socket is in sliding connection with the inside surface of the opening slot; a junction board is arranged on the upper surface of the socket; a plug is inserted into the lower surface of the socket; a pull rope is fixedly connected with the lower surface of the plug. The drawing test mechanism for multiple joints utilizes an adjusting plate tensioned by the spring in the opening slot to support the socket and utilizes the sliding rods supported by the springs to connect sliding rings in a sidling form, so that the use convenience and stability are greatly promoted and the safety and high efficiency of drawing test are guaranteed.

The invention relates to a packaging bag opening cleaning method. The method specifically comprises the following steps that a spray nozzle on an air spray head is pushed into a bag opening to be cleaned through a telescopic cylinder; the distance from a de-dusting cover to the bag opening is adjusted to enable a seal structure to be formed between the de-dusting cover and the bag opening; an air spray tube is connected with an air spray device externally, and air enters through the air spray tube and is sprayed to the inner side of the bag opening through open holes to blow dust and the like adhering to the inner side of the bag opening to the de-dusting cover above; the dust in the de-dusting cover is sucked away from an air suction port by a duster, and accordingly cleaning of the bag opening dust can be completed. By adopting the method, the dust in a packaging bag is cleaned up in a blowing mode, the de-dusting effect is better, secondary pollution can be prevented, and safety and high efficiency of bag opening de-dusting are guaranteed.

The invention discloses a combined general type power management balancer applied to multiple batteries and a working method thereof. The combined general type power management balancer applied to multiple batteries is mainly composed of a working power supply output module, a charging module, the batteries, a power / function switching module, a reverse charging prevention circuit module, a power module, an undervoltage reference value module, a CPU, a working voltage sampling module, a driving module and an undervoltage indication alarm module. According to the combined general type power management balancer applied to the multiple batteries, single batteries are connected in series and combined with undervoltage protection added to output voltages for supplying power, the batteries are connected in parallel according to groups to be charged and work, and the power / function switching module, the reverse charging prevention circuit module, the undervoltage reference value module, the driving module and the undervoltage indication alarm module are arranged, and products are made to have the advantages of being high in safety, low in usage cost, good in stability and long in service life.

The invention discloses a concrete precast block mould with an automatic material feeding function. The concrete precast block mould with the automatic material feeding function comprises a rack, wherein a lower mould is arranged on the upper surface of the rack; a discharging ejection plate is slidably connected to the lower end of the inner side surface of the lower mould; an installation cavityis arranged at the lower end of the inner part of the rack; guiding holes are formed in two ends of the upper surface of the installation cavity; guiding rods are slidably connected to the inner sidesurfaces of the guiding holes; the upper surfaces of the guiding rods are in threaded connection to the lower surface of the discharging ejection plate through threaded heads; a motor is fixedly arranged in the center of the lower surface of the installation cavity; a threaded cylinder is fixedly connected to the shaft end of the upper surface of the motor; a threaded rod is in threaded connection to the inner side surface of the threaded cylinder; and the upper surface of the threaded rod is fixedly arranged on the lower surface of the discharging ejection plate. According to the concrete precast block mould with the automatic material feeding function, the convenience and the stability in use can be greatly improved, and the safety and the high efficiency of production and processing are ensured.

The invention relates to full-automatic accessory spot welding equipment. The full-automatic accessory spot welding equipment comprises a main rack, a feeding assembly, a collection assembly, a paintbreaking assembly, a spot welding assembly, a repainting assembly and an accessory conveying assembly. The feeding assembly comprises a feeding conveying component, a feeding driving component and a discharge component. The paint breaking assembly, the spot welding assembly and the repainting assembly are arranged along the feeding conveying component in sequence. The accessory conveying assemblycomprises a first conveyor belt, a second conveyor belt, a conveyor belt driving component, a first accessory supply component and a second accessory supply component. The first accessory supply component and the second accessory supply component are arranged at the head ends of the first conveyor belt and the second conveyor belt correspondingly. The feeding conveying component is located at thetail ends of the first conveyor belt and the second conveyor belt. The full-automatic accessory spot welding equipment integrates the functions of automatic discharging, feeding, u-bolt feeding, carrying ring feeding, paint breaking, spot welding, repainting and material collecting. The operating radius of personnel is small. The full-automatic accessory spot welding equipment can be operated by asingle person who only needs to place and take materials, ensures the efficiency and safety, facilitates automatic management, reduces the defective rate of products and improves the yield, and the number of the personnel is reduced.

The invention discloses a method and device capable of preventing a cooler butterfly valve from being tightly closed. The device comprises a valve shell, and the both sides of the outside surface of the valve shell are each provided with a mounting flange; the both sides of the inner wall of the valve shell are each provided with a cavity, and the upper sides of the two ends of the outside surfaceof each cavity are provided with air inlet connectors; the inside surface of each air inlet connector is in threaded connection with an air inlet connecting pipe of which the other end is fixedly provided with an air inlet main pipe; the both sides of the lower surface of each cavity are each provided with an air outlet connector of which the inside surface is in threaded connection with an air outlet connecting pipe, and the other end of each air outlet connecting pipe is fixedly connected to an air outlet main pipe; and the front end surface of the air outlet main pipe is fixedly connectedto a regulating pipe. According to the method and device capable of preventing the cooler butterfly valve from being tightly closed, through arrangement of the cavities in the valve shell, the use convenience and stability can be improved greatly, and the safety and efficiency are ensured.

The invention provides an urban rail transit station platform supersaturated passenger flow pre-control method and system. The method comprises the following steps: acquiring rail transit station hallhardware facility parameters, train information parameters and passenger flow service parameters; extracting passenger flow data in real time, carrying out platform supersaturation state pre-judgment, and if it is judged that the platform passenger flow is about to reach the supersaturation state, starting a signal device arranged on a corresponding station hall layer to control the passenger flow of the station hall layer; determining the minimum arrival rate of the passenger flow of the platform according to the acquired parameter information, determining the maximum release time needed forreleasing the remaining passenger flow capable of being contained in the platform, and setting the forbidding signal starting moment of the signal device; setting a corresponding release signal opening moment according to the acquired parameter information on the premise that the get-off passenger flow rate of each train does not exceed the passage capacity limit; and forming a timing scheme according to the set forbidding signal starting moment and the releasing signal starting moment, and controlling the operation of the signal device. Passenger flow congestion can be effectively reduced.

The invention discloses container side plate production equipment and method. The equipment comprises a split plate station, a split plate welding station, a top and side beam assembling station, a side plate welding station and a side vertical delivery station. The top and side beam assembling station and the plate welding station are arranged symmetrically and are capable of machining the left and right side plates; a side turning station is arranged between the side plate welding station and the side vertical delivery station and is used for turning a left side plate and a right side plate towards two sides of a lateral turning station; two delivery channels are arranged on two sides of the side vertical delivery station symmetrically and are used for delivering the left and right side plates to a main assembling bench. By the aid of the equipment, the left and right side plate mixed production can be implemented through one production line, the complexity for overturning the left and right side plates through a travelling crane is avoided, space is saved, safety risks brought by the travelling crane are avoided, and the container side plate production can be completed safely and efficiently.

The invention discloses a distributed monitoring device and monitoring method of internal stress of a tunnel surrounding rock, and a construction method. The device comprises a supporting rod member and a coupling base arranged on the outer side of the supporting rod member, a plurality of first grooves and second grooves arranged in a stagger manner are formed in an outer side wall of the coupling base along the circumferential direction, and sensing optical fibers are uniformly distributed in each second groove. The method comprises the steps of: deploying the distributed monitoring device of the internal stress of the tunnel surrounding rock in a drill hole of the tunnel surrounding rock; after the distributed monitoring device of the internal stress of the tunnel surrounding rock is deployed in the drill hole of the tunnel surrounding rock, performing hole sealing slip casting treatment on the drill hole of the surrounding rock; generating, by the sensing optical fibers located inthe monitoring device in the drill hole of the surrounding rock, Brillouin backscattering after being subjected to a longitudinal or lateral stress change; and after a Brillouin scattering measuring instrument measures the change amount of the sensing optical fibers, performing data analysis to determine the stress change position and size of the internal stress of the surrounding rock along the direction.

The invention discloses a driving and parking brake integrated type hydraulic clamp disc brake. The driving and parking brake integrated type hydraulic clamp disc brake comprises a single-action parking brake hydraulic oil cylinder and a dry type clamp disc brake. A piston of the single-action parking brake hydraulic oil cylinder is connected with a brake piston of the dry type clamp disc brake, a driving position switch is arranged on the single-action parking brake hydraulic oil cylinder, and the piston retracts to touch the driving position switch to be switched on. Compared with the prior art, the brake has the beneficial effects that the device is easy and convenient to use and low in use cost; the brake is adopted for ensuring safety and high efficiency of a parking system while an existing driving brake property is not affected, and meanwhile, the system can serve as an emergency brake when an engineering machine is in power failure; the requirement for a user is low, and the user can use the brake through simple training; and a part of existing brake clamp is modified to meet the use needs of an old device.

The invention discloses a turbine system of an intelligent ship. The turbine system comprises a turbine part integration platform, a turbine part ship network device and a turbine part shore-based cloud base station. According to the invention, on the basis of a marine engine part integrated platform, advanced informatization technology is applied, and intelligent perception, judgment and analysis of a cabin and shore-based digital twinning are realized, so that the safety and efficiency of a ship during sailing and shore-based remote control and decision making are better ensured, and accidents caused by human factors are greatly reduced or even completely eradicated. The integrated multi-source data acquisition and fusion system can ensure the continuity of time sequence data, and provides data support for a turbine part AR system and a turbine part digital twin system. The AR system of the marine engine part can obviously improve equipment detection in the operation process of the marine engine system of the ship and better monitor the operation state of each equipment of the marine engine system of the ship; and the efficiency can be remarkably improved when the turbine equipment is disassembled, assembled and maintained, the downtime caused by maintenance of the cabin equipment is shortened, and the maintenance cost is reduced.

The invention discloses a novel forming process of commutator segments of a commutator. A bakelite base is included, a hollow cylinder is arranged in the bakelite base, and the commutator segments arefixedly embedded in an outer side surface of the bakelite base. Right-angle heads are fixedly connected to end heads of back sides of the commutator segments, arc-shaped hoop grooves are formed in two sides of outer surfaces of the commutator segments, long-strip dovetail grooves are formed in middle positions of inner side surfaces of the commutator segments, long-strip dovetail strips are arranged on outer side surfaces of the bakelite base, outer surfaces of the long-strip dovetail strips are fixedly clamped in inner side surfaces of the long-strip dovetail grooves, and isolation empty grooves are formed in surfaces of two sides of outer parts of the commutator segments. The long-strip dovetail grooves are processed in a bottom, then the injection molding is carried out to form the bakelite base, meanwhile, the overall structural strength can be improved, separation and falling are avoided, meanwhile, the arc-shaped hoop grooves are formed through turning, hoops can be clamped andpositioned, the loosening is avoided, in this way, the safety and efficiency of formation can be greatly improved, and the product quality is guaranteed.

The invention relates to a 2000mm last-stage moving blade for a half-speed nuclear turbine, and the 2000mm last-stage moving blade for the half-speed nuclear turbine aims to solve the problem that a last-stage blade in the prior art cannot meet the requirements of a high-power unit. The molded line of a blade working part is a variable cross-section twisted blade, the height L of the blade workingpart is 2000mm, the axial width V of the root of the blade working part is 413.65mm, the diameter of the root of the blade working part is 13.61m2 of an exhaust area of the blade working part, the thickness H of a shroud ring is 40mm, and the axial distance B1 of the working surface of the shroud ring is 98.58mm. The 2000mm last-stage moving blade for the half-speed nuclear turbine adopts a fullthree-dimensional design of bending and twisting combined molding, the moving blade is twisted along the height of the blade to form a twisted long blade stage, and the top of the blade adopts the self-provided shroud ring, thereby reducing the loss and the air leakage, improving the efficiency of the unit and ensuring the safe and reliable operation. The 2000mm last-stage moving blade for the half-speed nuclear turbine is suitable for preparing the last-stage moving blade for the half-speed nuclear turbine.

A hepatitis B treatment vaccine on the basis of inactivated, whole recombinant Hansenula polymorpha cells expressing HBsAg. The vaccine is the HBsAg expressed in recombinant Hansenula polymorpha cells. 108 cells contain 6-10 μg HBsAg as an antigen; the vaccine contains a total of 16-21 HBsAg-specific CTL epitopes; the vaccine uses optimized inactivated, fully recombinant Hansenula polymorpha cells as an adjuvant.

The invention provides an indoor personnel identification and activity monitoring device, which relates to the technical field of monitoring. The device comprises an infrared detection module and a personnel identification unit. The infrared detection module is mounted at an indoor doorway; the data analysis module is electrically connected with the infrared detection module and the personnel identification unit; the output end of the data analysis module is connected with a data packaging module; the output end of the data analysis module is connected with a timing module, a communication module and a monitoring module; the communication module is in signal connection with a mobile client. The infrared detection module is arranged, the personnel identification unit is matched to perform information detection on personnel entering a room, the information of the personnel entering the room is judged through the data analysis module, the whole idea is clear, the information of indoor personnel can be obtained and judged, non-indoor personnel can be monitored and recorded, remote control over the indoor condition is achieved, and indoor office work is ensured to be safe, efficient andhigh in practicability.

The invention discloses a raccoon dog puffed compound feed and a preparation method thereof, and belongs to the technical field of special economic animal feeds. The feed comprises the following components in percentage by weight: 35-45% of corn, 12-18% of soybean meal, 12-16% of corn germ cake, 6-10% of corn alcohol grains, 2-6% of fish meal, 4-6% of chicken meal, 5-8% of puffed soybean, 2-4% ofhydrolyzed feather powder, 4-6% of chicken oil, 1-1.5% of stone powder, 0.5-0.8% of dibasic calcium phosphate, 0.2-0.4% of lysine, 0.2-0.4% of methionine, 0.1-0.2% of choline chloride, 1-3% of sodiumchloride, and 0.5-0.8% of a premix. The botanical feed is subjected to puffing treatment by using a puffing machine, the raw materials are expanded, loosened and cured under the action of high temperature and high pressure, and pathogenic bacteria, microorganisms, insects and the like in the raw materials of the feed are killed, so that the feed is easy to digest and more sanitary, the occurrencerate of raccoon dog diseases is reduced, and the health of raccoon dogs is facilitated.

The invention discloses abalone shell pearl layer powder and a processing method of the abalone pearl layer powder. Abalone shell is used as a raw material, abalone shell pearl layer with an aragonite structure is prepared through a crushing process, the prepared pearl layer powder has the characteristics of solubility in acid, insolubility in acid and insolubility in water, and the content of aragonite calcium carbonate is equal or greater than 94 percent; the prepared pearl layer powder has the original nacreous luster of the inner layer of the abalone shell, and the removal rate of impurities such as calcium carbonate with a non-aragonite structure, cuticle, prismatic-calaite layers, algal pigment and the like is not lower than 91 percent. According to the invention, under a lower temperature condition, an acid solution with lower concentration is adopted, the impurities can be removed within short time through acid pickling, a medicinal composition pearl layer is retained to a great extent, superfine grade and nanoscale pearl layer powder can be further obtained through smashing, the conception is novel, the raw materials are rich, the production efficiency is high, the production cost is low, the processing technology is simple, green environmental protection is achieved, the implementation is convenient, the abalone shell pearl layer powder conforms to industrial development trend of traditional Chinese medicine modernization and internationalization, and a greater generalization performance is achieved.

The invention relates to a 1000mm last-stage moving blade, in particular to a 1000mm last-stage moving blade for a 3000rpm full-rotation-speed steam turbine. The problem that an existing last-stage long blade cannot meet the requirements of units with different capacity grades is solved. A shroud ring (3), a blade working part (1), a blade root (2) and a boss lacing wire (4) are forged into a whole from top to bottom, the molded line of the blade working part (1) is a variable cross-section twisted blade, that is, two adjacent cross sections are twisted relatively, the area of the cross section of the blade working part (1) is gradually reduced from the root to the top, the height (L) of the blade working part (1) is 1000 mm, the axial width (V) of the root of the blade working part (1) is 206.83 mm, the diameter of the root of the blade working part (1) is 1500 mm, the steam exhaust area of the blade working part (1) is 3.37 m < 2 >, the thickness (H) of the shroud ring (3) is 22 mm, and the axial distance (B1) of the working face of the shroud ring (3) is 49.47 mm. The 1000mm last-stage moving blade is applied to 3000rpm full-rotation-speed steam turbine.

The invention provides a continuous deslagging device and method for a vertical shaft. The continuous deslagging device for the vertical shaft comprises a conveying system (8), a chain storage device (3) and a locking device (2), the chain storage device (3) comprises a first redirection fixed shaft group (301), a second redirection fixed shaft group (302) and a redirection movable shaft group (303), the conveying system (8) comprises a first conveying chain section (804) and a second conveying chain section (805), and the locking device (2) can lock and fix the first conveying chain section (804) and the second conveying chain section (805). According to the continuous deslagging device and method for the vertical shaft, continuous downward tunneling can be carried out along with a main machine, synchronous operation of deslagging and the main machine is guaranteed, and the conveying chain has an automatic telescopic function and has the chain storage capacity. Meanwhile, the whole conveying system is provided with a self-adaptive tensioning system, and the tensioning force of the conveying system in the operation process is guaranteed.

The invention discloses container side plate production equipment and method. The equipment comprises a split plate station, a split plate welding station, a top and side beam assembling station, a side plate welding station and a side vertical delivery station. The top and side beam assembling station and the plate welding station are arranged symmetrically and are capable of machining the left and right side plates; a side turning station is arranged between the side plate welding station and the side vertical delivery station and is used for turning a left side plate and a right side plate towards two sides of a lateral turning station; two delivery channels are arranged on two sides of the side vertical delivery station symmetrically and are used for delivering the left and right side plates to a main assembling bench. By the aid of the equipment, the left and right side plate mixed production can be implemented through one production line, the complexity for overturning the left and right side plates through a travelling crane is avoided, space is saved, safety risks brought by the travelling crane are avoided, and the container side plate production can be completed safely and efficiently.