32results about How to "Accurate dosage" patented technology

The invention discloses a method for preparing neodymium iron boron magnetic powder by a chemical method, which comprises the following steps of: 1, mixing iron salt, an organic ligand and a solvent for coordination reaction to obtain an iron-based metal organic framework material; 2, dipping the iron-based metal organic framework material in the rare earth-fused salt mixed solution, and drying to obtain a dipping precursor; step 3, carrying out calcination and reduction reaction on the impregnated precursor to obtain a rare earth-iron precursor; and 4, mixing the rare earth-iron precursor with a reducing agent, and carrying out a reduction diffusion reaction. According to the method, an iron-based metal organic framework material is used as an iron source and a template, a dipping process is combined, a highly uniform and dispersed dipping precursor is obtained, the refined spherical neodymium iron boron magnetic powder is obtained through calcination, hydrogen reduction and a reduction diffusion reaction, and the magnetic powder is controllable in component and high in magnetic conductivity. The method is suitable for preparing the neodymium-iron-boron magnet with excellent magnetic performance and adjusting the composition and grain boundary distribution of the neodymium-iron-boron magnet.

The invention relates to a method and a device for preparing an indigo dyeing BC reducing solution. The technical problem to be solved by the invention is to provide the preparation method and the device of the BC reducing solution for indigo dyeing, which solve the problems encountered in production by adopting a method that the BC solution is instantly dissolved and used, not only can fully dissolve sodium hydrosulfite in the BC solution and quickly and efficiently meet the process conditions of dyeing production, but also can reduce the waste of dye and chemical materials caused by hydrolysis. According to the method, a'small-amount and multiple-time 'material melting mode is adopted, so that the effect of immediately melting and immediately using is achieved, and'fresh' use of the BC liquid is effectively achieved. The chemical material amount each time is controlled to be used up within one hour, so that the hydrolysis loss of the sodium hydrosulfite is reduced, and the stable dyeing control is facilitated. And on-line automatic adjustment and use are realized, and no other manual intervention is needed in the process as long as raw material supply is ensured. Formula setting and conversion are flexible, rapid replacement of new and old BC liquid can be achieved, and dyeing parameters can be adjusted in time. The consumption is more accurate, material melting according to plans is facilitated, and the loss of redundant materials is reduced.

The invention relates to the technical field of crystal growth, in particular to a continuous feeding LEC crystal growth device and a crystal growth method. The crystal growth method comprises the following steps: S1, fixing an auxiliary crucible in a main crucible; s2, crystal raw materials are added into the main crucible and melted; s3, the heated dopant in the dopant injection chamber is added to a doping area in the auxiliary crucible; s4, the liquid sealing melt is injected into the chamber, and the heated liquid sealing melt is added into a crystal pulling area in the auxiliary crucible; s5, the main crucible and the auxiliary crucible are rotated, the seed rod is rotated and lifted, and the seed rod is annealed through an annealing heater; s6, the material supplementing amount is calculated, and the heated crystal melt in the material supplementing crucible is added to a material supplementing area between the main crucible and the auxiliary crucible; s7, the doping agent supplementing amount is calculated based on the supplementing amount, the crystal melt feeding amount and the doping agent feeding amount, the doping agent is added into the auxiliary crucible, and continuous feeding in the growth process of large-size crystals can be effectively guaranteed through the crystal growth method.

The invention provides a method, a device, equipment and a medium for calculating the dosage of a cable fireproof coating. The phenomenon that the specific dosage of the cable fireproof coating cannot be accurately estimated in the actual fireproof coating laying process is effectively solved. The method comprises the following steps: extracting a specification file of a target ship to obtain a target fireproof area and target coating film thickness data of the target ship, and calculating cable information of a cable supporting piece; the cable laying height is called to process the width of the corresponding cable supporting piece, and the material consumption coefficient of the fireproof coating is obtained; summarizing the material consumption coefficient and the use length of the fireproof coating to calculate the laying area of the fireproof coating of the cable support member, and obtaining the laying area of the fireproof coating of the target ship; and fusing the laying area of the fireproof coating and the target coating film thickness data to obtain the total use amount of the cable coating on the ship so as to lay the fireproof coating on the target ship based on the total use amount of the cable coating.

The utility model relates to the technical field of semiconductor growth, and discloses a quartz tube annealing positioning device which comprises two coaxial assemblies arranged oppositely and a sliding rail connected with the two coaxial assemblies, and the two coaxial assemblies can slide face to face or back to back along the sliding rail; the coaxial assembly comprises an annular stress frame which is used for being embedded in a hearth of the annealing furnace and is coaxial with the hearth, two first elastic pieces and a second elastic piece are arranged on the inner wall of the stress frame at intervals, and the second elastic piece is located between the two first elastic pieces. The first elastic piece and the second elastic piece are connected through a force guide rod; the coaxial assembly further comprises an arc-shaped limiting rod, the two ends of the limiting rod are adjustably connected with the two first elastic parts respectively, and the side wall of the middle of the limiting rod abuts against the second elastic parts. According to the utility model, the measurement precision of the quartz tube can be ensured, the dosage of arsenic added into the quartz tube is ensured to be accurate, and the product quality is ensured.

The present invention discloses a method for calculating the amount of earth pressure balance shield slag improver, comprising the following steps: based on bentonite particles, the improved soil particles are layered and wrapped, and the number of wrapped layers is obtained by a slump test; based on the number of wrapped layers, the number of bentonite particles required to wrap a single improved soil particle is obtained; the number of improved soil particles in a sandy and gravel soil body is obtained; based on the functional relationship between the number of bentonite particles required to wrap a single improved soil particle and the number of improved soil particles, the number of bentonite particles required to improve the sandy and gravel soil body is obtained, and then the required bentonite mass is obtained. The present invention utilizes the microstructure of the improved soil particles and bentonite particles in the sandy and gravel soil body combined by various inter-particle forces, and derives a formula for calculating the injection mass of the bentonite improved sandy and gravel soil body, thereby solving the problem of selecting the amount and proportion of the bentonite improved sandy and gravel soil body in principle, and the amount and proportion obtained are more accurate.

The utility model discloses a traditional Chinese medicine application scraping device, and relates to the technical field of medical instruments. The device comprises a medicine storage cylinder, a medicine scraping assembly used for pushing out traditional Chinese medicine in the medicine storage cylinder is arranged in the medicine storage cylinder, a blocking assembly used for sealing the bottom of the medicine storage cylinder is arranged at the bottom of the medicine storage cylinder, and a manual adjusting assembly used for controlling the blocking assembly to rotate is arranged on the surface of the medicine storage cylinder. A locking assembly used for limiting the manual adjusting assembly is arranged on the surface of the manual adjusting assembly, the medicine scraping assembly comprises a piston block, the piston block is slidably connected with the inner wall of the medicine storage barrel, and a push rod is fixedly connected to the top surface of the piston block; during use, the effect that thick traditional Chinese medicine is conveniently and accurately conveyed to the surface of the application patch is achieved, the situation that the traditional Chinese medicine is left in the appliance is avoided, the pushed-out medicine amount is more accurate, and use is more convenient.

The utility model discloses a powder accurate metering feeding and conveying device which comprises a device frame, a storage hopper is fixed at the top end of the device frame, a transfer hopper is fixedly installed on the side, away from the vertical part of the device frame, of a collecting box, a baffle is installed at the connecting end of the transfer hopper and the collecting box, and a positioning clamping groove is formed in the side of the baffle. The positioning clamping grooves are attached to the side wall of the collecting box, positioning bolts are installed on the tops of the outer side faces of the baffles in a threaded mode, first magnet blocks are fixedly arranged on the bottom faces and the side faces, located in the collecting box, of the baffles, the first magnet blocks are attached to second magnet blocks, and the second magnet blocks are fixedly installed on the bottom faces and the side faces of the inner sides of the collecting box. According to the accurate metering, feeding and conveying equipment for the powder, the novel structural design is adopted, the powder can be rapidly and accurately metered, the powder can be directly transferred after metering is completed, the metering, feeding and conveying operation of the powder is simplified, and meanwhile the accuracy of the using amount of the powder is guaranteed.

The utility model relates to the technical field of medical instruments, and discloses a visual measurable intervertebral fusion pressing bone grafting device which comprises a metering tube, a glass tube used for implanting bone grains is connected to one side of the metering tube in a clamped mode, a storage box used for storing the bone grains is arranged on one side of the glass tube, and the metering tube is connected with the storage box in a clamped mode. A push rod used for pressing is connected to one side of the storage box in a clamped mode, and a handle used for holding is arranged on one side of the push rod. According to the visual and measurable intervertebral fusion pressurizing bone grafting device, through the cooperative arrangement of the metering pipe and the push rod, implanted bone grains can be metered by the device during use, so that the use amount of the implanted bone grains in the body of a patient is more accurate, and through the arrangement of the metering pipe, the operation is more convenient; according to the bone grain filling device, the medical staff can know the using amount of bone grains more conveniently through comparison with the metering pipe during use, so that the medical staff can fill the bone grains conveniently according to the situation, the bone grains in the device can be pressed through the arrangement of the push rod, and the convenience of the device is improved.

The invention relates to the technical field of syringes, in particular to a needleless emitter and a using method thereof.The needleless emitter comprises a needleless prefilled medicine core used for conveying liquid medicine and a retaining structure used for limiting the needleless prefilled medicine core; the retaining structure is used for locking and matching the needleless pre-filling and sealing medicine core with the needleless emitter to prevent the needleless pre-filling and sealing medicine core from rotating during disassembly; when the needleless pre-filling and sealing medicine core needs to be removed, the unlocking mechanism on the retaining structure is operated to unlock the needleless pre-filling and sealing medicine core. The prefilled emitter has the beneficial effects that the prefilled emitter can reduce liquid medicine residues to the maximum extent, and the dosage is more accurate; tedious medicine pumping is avoided, and operation is convenient; the advantages of small wound, no pain, high absorption efficiency, avoidance of needle terrorism and the like of needle-free injection can be achieved; various thrust structures improve the stability and operability of needle-free pre-filling and sealing medicine cores of different specifications in the using process.

The application discloses a bidirectional plastering and ribbing auxiliary device. The device comprises a vertical ribbing assembly and a horizontal ribbing assembly. The vertical ribbing assembly comprises a vertical sticking plate, an air pump, a bottom plate, an adjusting plate, an air bag and a limiting rod. The vertical sticking plate is provided with an adjusting groove. The horizontal ribbing assembly comprises a horizontal sticking plate, a limiting plate, an adjusting screw and a connecting seat. The connecting seat is located in the middle of the horizontal ribbing assembly, and the horizontal sticking plate is located on the left and right sides of the connecting seat. The horizontal ribbing assembly is connected with the vertical ribbing assembly through the connecting seat. The bidirectional plastering and ribbing auxiliary device is provided with the vertical ribbing assembly and the horizontal ribbing assembly, so that the horizontal and vertical ribbing operations can be completed at one time when the ribbing is made, the difficulty of the horizontal ribbing is effectively reduced, and the ribbing efficiency is greatly improved.

The utility model relates to a portable backpack tobacco bud inhibition batcher, which belongs to the technical field of tobacco field management equipment, and comprises a pesticide barrel and a pesticide delivery pipe, the pesticide delivery pipe is communicated with the pesticide barrel, the end part of the pesticide delivery pipe is connected with a pesticide suction device, the pesticide suction device is provided with a pesticide outlet pipe, and the end part of the pesticide outlet pipe is provided with a nozzle. The handheld rubber ball is arranged on the medicine outlet pipe to automatically suck medicine, quantitative bud inhibition is achieved, the dosage is reduced, and accurate dosage for bud inhibition is achieved. The device is convenient and fast to operate, can effectively control the application amount of the suckercide, reduces pesticide residues, and improves the working efficiency.

The present invention relates to the technical field of watershed black and odorous water treatment, and in particular to a water quality monitoring system for black and odorous water and a water treatment method based thereon. The data acquisition end of the present invention includes a water area image data acquisition module and a water quality data acquisition module. After the water area image data acquisition module performs image acquisition on the water area to be tested, a three-dimensional model of the water area is generated by a water quality analysis platform. The high-definition image acquisition data collects the water color in the area and establishes a water color model, which can achieve the distinction of water quality in the water area. After planning the water quality monitoring points for the black and odorous water bodies to be treated, water quality collection and detection equipment are deployed. The water quality of the water area to be treated is monitored by using the water quality collection and detection equipment. The water quality analysis platform performs water purification design according to the transparency, dissolved oxygen, ammonia nitrogen, total phosphorus and permanganate index in the water quality monitoring data according to the database, accurately adsorbs the amount of substances, aquatic plants and floating beds, and improves the efficiency of black and odorous water treatment.

The invention relates to the technical field of crop cultivation and planting, in particular to a salt-inhibiting fertilizing type moderate-severe saline-alkali soil dandelion planting method. The planting method comprises the following steps: (1) soil preparation and salt inhibition: selecting moderate and severe saline-alkali soil blocks with the soil layer thickness of more than 15cm, crushing and raking the soil blocks before sowing, leveling the soil, then spreading a mixture of humic acid and activated carbon, a microbial organic fertilizer and a ternary compound fertilizer on the surface of the soil, and deeply ploughing; (2) ridging; (3) watering and draining; (4) sowing; (5) fertilization; (6) pest control. Appropriate salt stress in saline-alkali soil can bring improvement of traditional Chinese medicine active ingredients, but due to high salinity and alkalinity of moderate and severe saline-alkali soil, growth of traditional Chinese medicine plants is seriously limited. In order to solve the problem, the invention provides a systematic salt-inhibiting and fertilizing planting method for dandelions in the moderate-severe saline-alkali soil, and aims to give full play to the potential of the saline-alkali soil and improve the yield and quality of the dandelions.

The application relates to the technical field of inorganic chemical synthesis, in particular to a sodium carbonate preparation method based on ternary synthesis technology. The method takes sodium chloride, liquid ammonia and carbon dioxide as ternary raw materials, and through a'segmented carbonization-gradient temperature control crystallization-CO2 closed loop recovery-mother liquor optimization treatment' synergistic process, first, uniform crystal nuclei are induced through low-temperature pre-carbonization, then, sufficient reaction is promoted through medium-temperature deep carbonization, and the crystal structure is optimized by combining gradient cooling crystallization and aging, and the efficient recycling of carbon, ammonia and salt resources is realized. The application improves the carbon dioxide utilization rate and the product purity, optimizes the crystal particle size uniformity, reduces the energy consumption and the environmental protection load, the process is stable and easy to control, and has strong industrialization adaptability, and the obtained sodium carbonate can meet the strict requirements in the fields such as food processing, and has economic and environmental benefits.

The utility model relates to the field of one-time aluminum bowl forming, in particular to a one-time aluminum bowl punch forming device. The utility model provides a one-time aluminum bowl punch forming device. A one-time aluminum bowl punch forming device comprises a mounting frame, a hydraulic cylinder, a punching part, a die, a tiling mechanism and an adjusting mechanism. The telescopic end of the hydraulic cylinder moves downwards to enable a stamping part to move downwards, so that the stamping part is in contact with the die, stamping forming operation of a disposable aluminum bowl is completed, when the stamping part moves downwards, the mounting seat extrudes the connecting rod downwards, the connecting rod extrudes the sleeve rod downwards, and the stamping part is pressed by the sleeve rod under the action of the spring. And then, the sleeve rod slides outwards along the limiting frame to drive the pressing roller to rotate outwards, so that the aluminum foil is flattened and unfolded, and the effects that the thickness of the aluminum foil is uniform, and the punch forming effect is good are achieved.

The utility model relates to the technical field of veterinarian equipment, in particular to a continuous drenching device for veterinarians, which adopts a large container to mix medicines, performs single quantitative drenching through an injector, meets the requirement of multi-group recycling, is accurate in dosage and improves reliability. Comprising a main support, a medicine mixing barrel, a connecting frame, a syringe, a scale strip, a piston, a connecting rod, a handle piece, an input pipe, an output pipe and a medicine filling head, the interior of the upper side of the main support is connected with the middle outer sides of the front end and the rear end of the medicine mixing barrel, the upper side of the right end of the medicine mixing barrel is connected with the left end of the syringe through the connecting frame, and the inner side of the syringe is slidably connected with the outer side of the piston; a scale strip is arranged at the front end of the injection cylinder, the input end of the injection cylinder is communicated with the lower side of the right portion of the medicine mixing barrel through an input pipe, the output end of the injection cylinder is communicated with one side of an output pipe, and the other side of the output pipe is communicated with a medicine filling head.

The invention discloses an agricultural science and technology remote monitoring system and method based on the Internet of Things, and belongs to the technical field of data processing methods suitable for the monitoring purpose. Growth indexes of crops are collected, and the growth state of the crops is evaluated according to a crop growth state evaluation model; collecting pest and disease damage pictures, and analyzing the severity of crop pest and disease damage infection according to the pest and disease damage infection analysis model; evaluating the health degree of the crops according to the crop health state comprehensive evaluation model; importing the health degree of the crops into a pesticide dosage analysis model to obtain the spraying amount of the pesticide; according to the invention, growth indexes and pest and disease information of crops are collected, growth states and pest and disease infection conditions of the crops are combined to jointly analyze health conditions of the crops, the pesticide spraying amount is analyzed according to the health conditions of the crops, the dosage of the farmland can be accurate, the farmland treatment effect is enhanced, and the pest and disease control efficiency is improved.

The utility model relates to the field of containers, and discloses a glue container convenient for quantitative extrusion, which comprises a bottle body structure, the bottle body structure comprises a bottle body, a mounting plate is arranged at the top of the bottle body, a dial gauge is arranged on one side outside the bottle body, a bottle opening is arranged at the bottom of the bottle body, and a sealing structure is arranged at the top of the bottle body. A tail pipe structure is arranged at the bottom of the bottle body; the tail pipe structure comprises a movable lantern ring and a glue outlet pipe, the bottom of the movable lantern ring is fixedly connected with the glue outlet pipe, and a push rod assembly is arranged in the bottle body for connection; the push rod assembly comprises a screw cap, a guide rod is installed at the bottom of the screw cap, and a piston is installed at the bottom of the guide rod. According to the utility model, the dial gauge is arranged to accurately control the extruded glue amount, and the sealing structure is arranged to reinforce the sealing performance of the whole glue container and avoid glue solidification.

The invention discloses a method for improving green and high-yield planting of brewing sorghum. The method comprises the steps that 1, unreclaimed original soil is collected, and the nutrition and microelement conditions of the unreclaimed original soil are detected; weeds are harvested on the newly-cultivated land and smashed, a microbial decomposition agent is added, and the land is turned up; 2, a water and fertilizer integrated precise fertilization mode of a soil testing formula is carried out, precise fertilization is carried out in a drip irrigation mode in the sowing period and different growth periods of sorghum, and different fertilizers are used for fertilization and soil disease prevention and control according to the growth law of the sorghum. Different fertilizers are prepared for fertilization according to the requirements of sorghum for nutrients in different growth periods, and chemical fertilizers are partially replaced by amino acid fertilizers and soluble organic matters, so that the use amount of the fertilizers is more accurate, and the purpose of reducing the chemical fertilizers is achieved.

The utility model belongs to the field of medical instruments, and particularly relates to a children enemator which comprises a body. The surface of the body is sleeved with a sleeve, a straight rod is slidably connected into the body, a motor is arranged at one end of the straight rod, an output shaft of the motor is fixedly connected with a supporting rod, the other end of the motor is in wire connection with a controller, a sleeve rod is fixedly connected to the surface of the motor, and the sleeve rod is in a U shape. The two long arm ends of the sleeve rod are fixedly connected with scraping rings; the straight rod is driven by the output shaft of the motor, the straight rod drives the circular ring to rotate, the circular ring is in threaded connection with the body, so that the circular ring moves in the direction close to the connector while rotating, the straight rod pushes the internal rubber head to enable liquid medicine to flow into the anal canal through the connector, and the rotation speed and angle of the motor are different through the controller. Different doses and administration speed can be controlled, the medication stability is greatly enhanced, and the medication dosage is more accurate.

The invention relates to a portable chemical reaction heat measuring device and a measuring method.The portable chemical reaction heat measuring device comprises a shell, a temperature control and calorimetric device, a weight testing device, a sample injection structure, a control structure and a leakage-proof connector, the temperature control and calorimetric device comprises a temperature sensor, a testing container and a reference container, and the testing container and the reference container are arranged in the shell in parallel; the temperature sensor measures temperature changes and sends data to the control structure, the weight testing device is arranged below the testing container, monitors and records weight changes of materials and sends data to the control structure, the sample injection structure is communicated with the testing container through a leakage-proof connector and provides samples, and the pressure sensor is arranged on the outer side of the testing container and used for detecting the temperature changes of the materials. And a reaction heat calculation program is also arranged in the control structure. By adopting the calorimetric equipment, the reaction heat test can be directly carried out on the production site, and by virtue of a specific sample introduction structure and a weighing system, not only can materials be prevented from being contacted with the outside, but also the input material quantity can be accurately weighed.

The invention belongs to the technical field of organic chemical engineering and fine organic intermediate synthesis, and discloses a method for continuous flow synthesis of 4-amino-1-naphthol hydrochloride and application, and the method comprises the following steps: carrying out diazotization reaction on a nitrite solution, aniline and inorganic acid; then carrying out a coupling reaction with a coupling component 1-naphthol to generate an azo compound; carrying out reduction reaction on the azo compound solution and an alkaline solution of a reducing agent sodium hydrosulfite; and carrying out 4-amino-1-naphthol acidification with a hydrochloric acid solution flow to obtain the product 4-amino-1-naphthol hydrochloride. The continuous preparation of the 4-amino-1-naphthol hydrochloride is realized through four-step continuous flow, the process is simple, the reaction time is short, the dosage of a reaction reagent can be accurately controlled, and the preparation process is safe, controllable and environment-friendly; reaction liquid can be fully mixed in the microreactor, so that the reaction efficiency is improved, and the reactant conversion rate and the final product yield are relatively high.

The invention belongs to the technical field of gas field exploitation, and particularly relates to a method and device for determining the using amount of a blocking remover for a fracturing commissioning well and electronic equipment. The method comprises the following steps: calculating the use amount of a blocking remover at each blocking removal target position of a fracturing production well, and summing the use amount of the blocking remover at each blocking removal target position to obtain the use amount of the blocking remover of the fracturing production well; if the blockage removal target position is a blockage removal well fracturing propping crack or the fracturing propping crack is close to a shaft for a certain distance, the pore volume A in the fracturing propping crack is the use amount of the blockage remover at the position; a is equal to the difference between the original porosity of the fracturing propping agent and the porosity reduction percentage of the propping agent under the fracturing propping fracture stratum compaction condition multiplied by the volume of the fracturing propping agent of the fracturing interval. By adopting the method disclosed by the invention, the accuracy of determining the dosage of the blocking remover of the fracturing commissioning well is improved.

The utility model discloses a device for continuously removing iron and aluminum from battery leachate, which comprises a feeding component, a discharging component and a discharging component, the feeding component comprises a leachate feeding component, a first feeding component and a second feeding component, and the outlet end of the second feeding component is connected with a first branch pipeline and a second branch pipeline; the outlet end of the leachate feeding component, the outlet end of the first feeding component and the first branch pipeline are respectively communicated with the reaction tank, and the reaction tank is provided with a first overflow pipe; the transfer tank is communicated with the first overflow pipe and the second branch pipeline; and the control component is electrically connected with the leachate feeding component, the first feeding component and the second feeding component, and the control component is used for controlling the feeding amount of the leachate feeding component, the first feeding component and the second feeding component to the reaction tank. The device can accurately control the feeding quantity of various reaction raw materials, automatically and continuously remove iron and aluminum from the battery leachate, and ensure sufficient reaction, stable quality of the obtained product and high production efficiency.

The present application provides a warming uterus patch and its manufacturing process, which relates to the field of pharmaceutical technology. A warming uterus patch includes: angelica, chuanxiong, red peony root, pollen, aconite, corydalis, myrrh, cinnamon, dried ginger, fennel, wormwood, chuanlianzi, safflower, eucommia and licorice. The warming uterus patch of the present application has the effects of promoting blood circulation and removing blood stasis, warming the meridians and relieving pain, and is mainly used for abdominal pain caused by cold blood stasis in the lower abdomen, which is relieved by warmth; menstrual blood clots, pain under the clots is reduced; the lower abdomen is cold, and warmth is preferred; menstruation is scanty and dark in color; dysmenorrhea, infertility and other symptoms caused by cold blood stasis. The manufacturing process of the present application prepares the patch by crushing the raw materials into nanopowders, so that the bioavailability of the active ingredients of the drug in the patch is high, which is conducive to the percutaneous absorption of the drug, so that the patch takes effect faster, the efficacy is better, and the therapeutic effect is effectively guaranteed.

The application discloses a method for estimating grouting quantity of vertical shaft ground, which comprises the following steps: grouting hole arrangement; drilling all grouting holes to the designed hole depth and collecting grouting hole cores; segmenting the designed hole depth, and setting the segment length as the same value; calculating the rock stratum of each grouting segment of all curtain holes by taking the segment height RQD as the rock quality index; segmenting grouting of the pilot hole; grouting quantity statistics of the pilot hole; solving the rock stratum influence factor of each grouting segment; and estimating the total grouting quantity. The application has the characteristics of high prediction accuracy, convenient prediction method and simple construction, and can more accurately estimate the required grouting quantity of the curtain, and has certain engineering guiding significance.

A dosage control mechanism for a molecular weight regulator in the production of white cardboard latex, the invention relates to the technical field of white cardboard latex production, wherein a No. 1 discharge pipe is arranged at the bottom of a material barrel; a feed pipe and a cover body are arranged on the material barrel; a control ring is connected through the bottom of the No. 1 discharge pipe; the control ring is a hollow structure; an adjustment mechanism is arranged at the bottom of the No. 1 discharge pipe; the adjustment mechanism is connected to the control ring; the control mechanisms are respectively arranged on the control ring; a weighing mechanism is arranged on the control ring; air is prevented from mixing into the molecular weight regulator to affect the output of the molecular weight regulator; the molecular weight regulator is evenly weighed so that the amount added each time is consistent, which is convenient for accurate dosage.

The utility model discloses a liquid material proportioning and metering tank which comprises a proportioning and metering tank main body and a transparent tube, the side wall of the ingredient metering tank main body is connected with a charging main pipe, a three-way pipe is mounted on the charging main pipe, a mounting seat is mounted on the top wall of the ingredient metering tank main body, and the mounting seat is communicated with the interior of the ingredient metering tank main body; the transparent pipe is mounted on the mounting seat, the upper end of the transparent pipe is connected with a charging auxiliary pipe, one end of the charging auxiliary pipe is connected with the three-way pipe, the bottom wall of the ingredient metering tank main body is connected with a discharging pipe, and the discharging pipe is connected to a polymerization kettle through a pipeline, so that materials in the ingredient metering tank main body are conveyed to the polymerization kettle through the discharging pipe. The liquid material proportioning metering tank is reasonable in structure, simple and convenient to operate, capable of guaranteeing accurate feeding amount of a polymerization kettle and stable raw material proportioning in the carbon fiber production process, capable of finely adjusting the proportioning and feeding in advance to improve the production efficiency, and suitable for storage tanks for stable mass production of carbon fibers.

The invention provides an automatic coagulated bead putting device which comprises a material box and a plurality of putting assemblies, the material box is provided with a plurality of material bins for storing different coagulated beads, the material bins are separated from one another, the bottoms of the material bins are provided with falling channels, and each falling channel is connected with the corresponding putting assembly; the throwing assembly comprises a support, a sliding blocking piece and a driving assembly, the support is provided with a throwing pipe in butt joint with the falling channel, the sliding blocking piece is slidably connected with the support, the sliding blocking piece is in transmission connection with the driving assembly, and the sliding blocking piece extends into the throwing pipe; the sliding blocking piece is driven by the driving assembly to move to control the conduction state of the putting pipe, and putting of the condensate beads is allowed or stopped. The automatic condensate bead feeding device can feed the corresponding number of condensate beads according to needs, the using amount is accurate, and the using amount of the condensate beads is reduced while the cleaning effect is guaranteed; according to the automatic condensate bead feeding device, condensate beads with corresponding functions can be fed in different cleaning stages, and the cleaning effect is better.