91results about How to "Fast production" patented technology

The invention relates to the field of air filtration, in particular to a method for rapidly preparing ZIF-8 / polypropylene melt-blown cloth fiber membranes in batches at low cost. Aiming at the problems of high cost, long preparation time, complex process and the like of the existing method for growing ZIF-8 on the surface of polypropylene melt-blown cloth to improve the air filtering performance, the invention provides a method for rapidly preparing ZIF-8 / polypropylene melt-blown fiber membranes in batches at low cost. The preparation method comprises the following steps: firstly, pretreating the surface of polypropylene melt-blown cloth by using an inorganic aqueous alkali solution, then sequentially putting the melt-blown cloth into a zinc ion aqueous solution and a 2-methylimidazole / N, N-dimethylformamide mixed aqueous solution under an ultrasonic condition, and drying to prepare the ZIF-8 / polypropylene melt-blown fiber membrane. According to the preparation method, water is taken as a main solvent, and a small amount of N, N-dimethylformamide is added into the water, so that rapid growth on polypropylene melt-blown cloth at a small molar ratio of 2-methylimidazole to zinc nitrate hexahydrate is realized, and the preparation method is suitable for large-scale industrial production for air filtration.

The invention discloses opaque quartz glass and a preparation method thereof. The preparation method comprises the steps that an induction heating furnace is used, the atmosphere in the furnace is a protective atmosphere which does not participate in the reaction, and the pressure of the protective atmosphere is 10000-90000 Pa; the quartz sand is placed in an induction heating furnace, the temperature is increased to 1400-1570 DEG C, and the quartz sand is preheated; raising the temperature to 1650-1710 DEG C at the speed of not more than 0.2 DEG C / s, so that the quartz sand is uniformly heated; raising the temperature to 1740-1900 DEG C at the speed of not less than 0.2 DEG C / s, so that the quartz sand reaches the melting temperature and is sintered; and finally, cooling at the speed of not more than 2 DEG C / s to obtain the opaque quartz glass. The density of the opaque quartz glass is 0.9-2.19 g / cm < 3 >, the bubble size is 1-300 [mu] m, the transmittance of the opaque quartz glass at the wave band of 380-3000 nm is less than 20% when the thickness is 2 mm, the transmittance of the opaque quartz glass at the wave band of 380-3000 nm is less than 3% when the thickness is 5 mm, and the hardness is 1000-6900 MPa.

The invention discloses a coal underground gasification mining front and rear furnace common well continuous coordination propulsion method which comprises the following steps: S1, constructing a gas inlet well and a gas outlet well of a first furnace, and performing gas injection fracturing on a gasification to-be-mined area of the first furnace by using the gas outlet well; s2, coal seam combustion gasification operation is conducted on the gasification to-be-mined area of the first furnace, and synthesis gas is collected through a gas outlet well of the first furnace; meanwhile, a gas outlet well of the second furnace is used for conducting gas injection fracturing on the gasification to-be-mined area of the second furnace; s3, the combustion space area of the first furnace is made to be idle for cooling, meanwhile, the second furnace conducts combustion gasification operation, and the third furnace conducts gas injection fracturing operation; each furnace is subjected to a flow process of gas injection fracturing, combustion gasification, idle cooling and CO2 storage well closing treatment; and S4, completing each flow process in sequence. The upper furnace and the lower furnace carry out difference node follow-up according to the flow process by one flow node, the upper furnace and the lower furnace carry out well sharing, the number of drilled wells is reduced, geological damage is relieved, and the mining efficiency is improved.

The invention belongs to the technical field of building materials, and particularly relates to magnesium oxychloride cement mortar containing polyaluminum chloride water purifier waste residues as well as a preparation method and application of the magnesium oxychloride cement mortar. The magnesium oxychloride cement mortar containing the polyaluminum chloride water purifying agent waste residues is prepared from the following components in parts by mass: 45 to 55 parts of magnesium oxychloride cement and gypsum, 100 to 150 parts of the polyaluminum chloride water purifying agent waste residues, 0 to 3.6 parts of citric acid, 0 to 14 parts of styrene-acrylic emulsion, 130 to 170 parts of river sand and 160 to 200 parts of water, the magnesium oxychloride cement is prepared from 480 to 520 parts of magnesium oxide and 190 to 320 parts of magnesium chloride hexahydrate. The magnesium oxychloride cement mortar containing the polyaluminum chloride water purifying agent waste residues can be used as a cement-based pavement patching material, a large amount of polyaluminum chloride water purifying agent waste residues can be consumed, the problem of environmental pollution caused by the waste residues is effectively solved, the water resistance of the magnesium oxychloride cement mortar can be effectively improved, and efficient resource utilization of industrial solid waste is achieved.

The invention discloses a coal underground combustion gasification and carbon dioxide sequestration mining treatment method. The method comprises the steps that S1, gas injection fracturing is conducted, specifically, fracturing gas is introduced through a gas outlet well to enable a coal seam corresponding to a gasification to-be-mined area to form a fracturing seam net; s2, combustion gasification: taking the bottom end of a gas inlet shaft of the furnace to mountain gas and the bottom end as a mining direction, discharging gas from the furnace, and discharging synthesis gas; and S3, sealing and closing the well: injecting carbon dioxide serving as displacement gas into the space to be sealed through the gas inlet well, collecting mixed gas through the gas outlet well, and then injecting high-pressure CO2 gas into the space to be sealed for sealing treatment. According to gas injection fracturing of a single furnace, a horizontal fracturing gas injection channel is adopted for carrying out gas injection fracturing treatment on the gasification to-be-mined area of the furnace located above to form a fracturing crack net, the upper furnace well and the lower furnace well can be jointly subjected to difference node follow-up according to the flow process and the difference of one flow node, and the sealing difficulty of the well and a combustion space area is reduced; and the mining efficiency is improved.

The invention discloses a double-end-ring bent edge retainer production process and a die. A stretching and bottom cutting integrated forming die is used for carrying out stretching and bottom cutting operation on a circular blank disc, so that the circular blank disc is deformed into a semi-finished product with an inverted bowl-shaped structure, the semi-finished product is transferred to a straightening and shaping die, an inner turned edge formed in the previous step is corrected, and the retainer with the double-end-ring bent edge is obtained. Vertical to the horizontal reference surface; meanwhile, the flanging is adjusted to be parallel to the horizontal plane; a trimming die is used for accurately adjusting the length of the outer flanging on the lower side; an upper port part of the bowl-shaped structure is preliminarily bent by the aid of a pre-flanging die to form a flanging with a certain preset angle, the preliminarily bent part is further bent by the aid of a flanging die until the preliminarily bent part is completely parallel to the horizontal plane to form a stable upper side outer flanging, and the retainer with the double-end ring bent edges is produced by the aid of a multi-step stamping process. And the production speed is high, a plurality of parts can be continuously and rapidly machined, and the time for waiting for cooling or curing is not needed.

The invention provides an ore body panel and panel inter-column cooperative mining method, and relates to the technical field of underground mining, and the method comprises the steps of dividing an ore body into panels along the trend direction, reserving panel inter-columns between the panels, firstly mining the panels, then mining the panel inter-columns, and dividing the two adjacent panels into an odd number of chambers arranged along the trend direction, the chambers are divided into first-step chambers and second-step chambers, and after the first-step chambers are mined, the goaf is filled with a high-strength filling body, and the second-step chambers are stoped and filled. And when filling is carried out after stoping of the chambers adjacent to the panel inter-columns is finished, the ore removal combined roadways between the chambers and the panels are reserved, and the chambers are reserved in advance for subsequent mining of the panel inter-columns. The length of the panel along the strike of the ore body is 120 m, and the widths of the stopes in the first step and the second step are both 15 m. According to the method, a stoping project is reserved in advance, and the stoping preparation cutting project amount is relatively small, so that the stope preparation time is short, and rapid production can be realized; and meanwhile, the panel stope and the panel pillar stoping project are mutually utilized.

The invention relates to a preparation method of a nano ZIF-8 composite diaphragm with a zinc dendritic crystal resisting function. The diaphragm can be applied to an aqueous zinc ion battery. The preparation of the nano ZIF-8 particle composite glass fiber diaphragm can be realized through a simple one-step method under the condition of room temperature. In the composite diaphragm, the ZIF-8 is attached to the glass fiber, is in the form of a tiny granular solid, fully covers the surface of the glass fiber and is uniformly distributed. The process is simple, the preparation speed is high, and the green chemical requirement is met. Compared with a common glass fiber diaphragm, the obtained ZIF-8 modified glass fiber diaphragm has obviously improved cycle stability in a symmetric battery. Under the current density of 1mA cm <-2 >, the button-type symmetrical battery additionally provided with the modified diaphragm can stably circulate for more than 2250 hours in a ZnSO4 aqueous electrolyte, and the button-type symmetrical battery additionally provided with the unmodified glass fiber diaphragm can only stably circulate for less than 200 hours under the same condition. The diaphragm shows excellent cycle stability, and is an aqueous zinc ion battery diaphragm material with application prospects.

The utility model discloses a carton board adhesion pressing device, which belongs to the technical field of carton board adhesion and comprises a conveyor belt. Folding assemblies are arranged on the two sides of the conveying belt; the folding assembly comprises a moving seat, a moving rod and a guide soft rod; through cooperation of the moving rod and the guide soft rod, the distance between the guide soft rod connected to the moving rod and the conveying belt can be increased firstly and then decreased in the conveying direction of the conveying belt, and therefore when the conveying belt can drive a carton board to move along the guide soft rod, two folded paperboards of the carton board can be sequentially attached to a gluing area and stacked together; when the folded paper board is driven by the conveying belt to pass through the guide soft rod and the conveying belt, the folded paper board can be more tightly attached to the gluing area of the carton board, and therefore the pressing effect on the folded paper board can be achieved; by means of the mode, folding of the carton board can be achieved, the carton board can be pressed after creasing, and compared with a manual mode, the efficiency is better, and the production speed is higher.

The invention belongs to the technical field of micro-fluidic chip manufacturing, and discloses a method for preparing a micro-fluidic chip by using a focused laser etching method, the micro-fluidic chip and application. The method comprises the following steps: coating a photoresist on the surface of a substrate, forming a photoresist substrate through exposure polymerization, designing a scanning track of focused infrared laser according to a micro-channel pattern, performing micro-channel laser processing on the photoresist substrate to obtain a sample, and treating the surface of the sample through plasma to obtain a micro-channel sample. And bonding the photoresist and polydimethylsiloxane by using a coupling agent to obtain the micro-fluidic chip. According to the method, the technological process is simplified, the manufacturing cost is reduced, and meanwhile high precision is kept.

The present invention discloses a composite pipe drilling and welding machine and a process for drilling and welding using the drilling and welding machine, wherein the drilling and welding machine comprises a bottom pipe fixing frame and a drilling and welding integrated assembly, wherein the drilling and welding integrated assembly comprises a basic seat and a base, wherein a drilling device and a welding device are sequentially arranged on the base, wherein the welding device comprises a transverse support frame and a pipe extension clamping mobile unit and a heating mold mobile unit arranged on the transverse support frame, wherein the heating mold mobile unit comprises a heating mold. The drilling and welding machine of the present invention has an ingenious structure, can realize the integration of drilling and welding, has a high degree of automation, and has a high production speed, and can realize continuous and precise interval drilling and welding of pipe extensions on a pipe fitting; it can also meet the drilling requirements of pipes with different apertures; the welding alignment is accurate, and it is particularly suitable for drilling and welding of mesh steel belt polyethylene composite pipes.

The invention provides a preparation method of a triazine halamine antibacterial agent and a precursor thereof, and also provides a preparation method of a liquid ammonia mercerized antibacterial fabric. The preparation method of the liquid ammonia mercerizing antibacterial fabric comprises the following steps: soaking a fabric in anhydrous liquid ammonia under a tension-free condition, drying and cleaning; dissolving a halamine antibacterial precursor and a metal salt catalyst in water to prepare an antibacterial finishing solution, and dipping the liquid ammonia mercerized fabric in the antibacterial finishing solution; adding a solid alkali agent into the antibacterial finishing liquid, continuously dipping the liquid ammonia mercerized fabric, washing with water, and drying; soaking the fabric in a sodium hypochlorite solution for reaction, taking out and drying to obtain the liquid ammonia mercerizing antibacterial fabric. The liquid ammonia is adopted for pretreatment of the fabric, the excellent mercerizing effect is given to the fabric, meanwhile, the grafting rate of the halamine antibacterial agent is remarkably increased, the antibacterial agent can be more firmly finished on the fabric at the low temperature, the reaction process is simple, the production speed is high, efficiency is high, no toxicity and no pollution are achieved, and the processing requirements of ecological textiles are met.

The invention belongs to the technical field of pharmaceutical equipment, and particularly relates to a needle pre-filling continuous production process for plastic medicine bottles. The process comprises the following steps of (1) tube blank extrusion, (2) tube blank transfer, (3) needle adding and bottle making, (4) filling, (5) injector piston adding and sealing, and (6) blanking. The needle pre-filling continuous production process for the plastic medicine bottles is a whole systematic process and covers a process from raw material conveying to final product conveying, compared with a traditional BFS process, a packaging process is characterized in that an injection needle adding station and an injector piston adding station are added and A-level air shower protection is added in a whole transferring process, functions of equipment are greatly increased, the quality of produced products is higher, the sterile safety of the products is better, and the problem of pollution possibly existing in a process from production to injection of medicines is fundamentally solved.

A microbial self-healing cement-based material based on surface-modified basalt fiber and a preparation method thereof, which belongs to the field of building materials. The present invention aims to solve the problem that the existing basalt fiber and bacteria are used in microbial self-healing concrete, the basalt fiber is not conducive to the attachment and deposition of bacteria on the surface of the basalt fiber, and the performance still needs to be improved. The microbial self-healing cement-based material is composed of water, calcium lactate, a water reducer, cement, a microbial self-healing agent, surface-modified basalt fiber and standard sand. Methods: 1. Preparation of microbial self-healing agent; 2. Surface modification of basalt fiber; 3. Mixing and curing of mortar. The present invention is used for a microbial self-healing cement-based material based on surface-modified basalt fiber and its preparation.

The utility model relates to the technical field of oil extraction, in particular to an efficient temporary plugging anti-overflow device. Comprising an upper connector, the upper connector is fixedly and hermetically connected with a valve connector, the lower end of the valve connector is fixedly and hermetically connected with a filter pipe and an outer cylinder, the filter pipe is located on the inner side of the outer cylinder, the valve connector is provided with an air hole communicated with an annular cavity between the outer cylinder and the filter pipe, and a check valve is installed in the air hole; the lower end of the filter pipe is fixedly and hermetically connected with a lower pipe located inside the outer cylinder, the lower end of the lower pipe is blocked and fixedly connected with the lower end of the outer cylinder through a lower connector, and a temporary blocking plate is detachably, fixedly and hermetically connected into the lower connector. Through soluble temporary plugging, multi-stage filtering, gas-liquid separation and modular sealing design, the device has the core advantages of efficient overflow prevention, rapid production, airlock prevention, low maintenance cost and the like, has both environmental protection property and economical efficiency, and is suitable for oil well operation under complex working conditions.

The invention relates to the technical field of gravel aggregate production, in particular to a modular gravel aggregate rapid production system which comprises a plurality of modular production lines, each modular production line is composed of a plurality of module stations, and each module station comprises a crushing module, an MP module transfer module, an MP module screening module and an electric control module. The material crushing module performs multi-stage crushing on materials, the MP module performs screening treatment on the materials, the production line is subjected to modularization treatment, a plurality of module stations are utilized to form the production line, each module station comprises the material crushing module, the MP module transfer module, the MP module screening module and the electric control module, and the modules in a conventional production line are replaced by the MP modularization stations. All the modules are simplified and standardized, delivery, transportation and on-site installation and debugging are facilitated, various standard production lines can be combined according to the capacity of the crushed material modules, the standard modules can be freely combined according to the needs of users, the personalized production line can be arranged and planned, and rapid investment income is achieved.

The utility model provides vacuum glass with an edge sealing structure. The vacuum glass comprises at least two glass sheets, a support and an edge sealing structure, the edge sealing structure is arranged at the peripheral edge position between the two glass sheets, the two glass sheets and the edge sealing structure jointly define a vacuum layer, the supporting object is arranged in the vacuum layer, the edge of each glass sheet is provided with a roughened sealing surface, the roughened sealing surface is provided with an ultrasonic metal layer, and the ultrasonic metal layer is arranged on the edge sealing surface. A sealing metal layer is arranged between the two ultrasonic metal layers on the two glass sheets, and the roughened sealing surface, the ultrasonic metal layers and the sealing metal layer jointly form an edge sealing structure. The utility model can provide the large-size and / or curved-surface vacuum glass with the edge sealing structure, and has the advantages of low production cost, energy conservation, environmental protection and the like.

The present invention discloses an intelligent grouting station for underground coal mines, comprising a mine explosion-proof control cabinet, a dry powder spiral conveying system, a pulping system, a slurry storage system and a grouting system. The mine explosion-proof control cabinet, the dry powder spiral conveying system, the pulping system, the slurry storage system and the grouting system are arranged in a straight line. The dry powder spiral conveying system is connected to the pulping system and conveys dry powder to the pulping system. The pulping system is connected to the slurry storage system and conveys finished slurry to the slurry storage system. The grouting system is connected to the slurry storage system and sucks out the slurry and injects it into the working surface. The dry powder spiral conveying system, the pulping system, the slurry storage system and the grouting system are all electrically connected to the mine explosion-proof control cabinet. The present invention has a high degree of automation by setting an intelligent measurement system and an electric control system, and the slurry is accurately proportioned, the slurry is of better quality, the preparation speed is fast, the manual operation is reduced, the labor intensity of the staff is reduced, and the work efficiency is improved; the modular design of the whole machine is more convenient for assembly and transportation in a narrow environment.

The invention discloses a full-automatic half type packaging box body folding forming system which comprises a rotary support, a box body forming workbench and a bottom pasting discharging workbench, two box pressing assemblies are arranged on the two sides of the rotary support, and each box pressing assembly comprises a bottom bracket, an in-box supporting frame and an upper pressing frame which are sequentially arranged from bottom to top; a box body piece grabbing mechanical arm, a box body piece conveying mechanism, a box body piece separating and feeding mechanism and a box body piece gluing mechanism are further arranged beside the box body forming workbench. A box bottom piece slicing feeding mechanism and a box bottom piece overturning mechanism are arranged above the bottom pasting discharging workbench, and a box body discharging mechanism is further arranged below the bottom pasting discharging workbench. Two half split type box bodies can be produced at the same time, combination forming is rapid and accurate, equipment is simple, the occupied area is small, cost is low, and the device can adapt to large-scale rapid production of split type packaging boxes.

The invention discloses a film transfer printing method for digital color hot stamping and gold stamping of textiles. The film transfer printing method comprises the following steps that S1, a PET transfer printing bottom film is prepared; s2, a UV printer is used for printing color UV ink on the position, needing color hot stamping, of the PET transfer printing bottom film, and a UV lamp is used for curing; a UV printer is used for printing gold stamping gloss oil at the position, needing gold stamping, of the PET transfer printing bottom film, and a UV lamp is used for curing; s3, a UV printer is used for printing white UV ink at the position of the color UV ink on the transfer printing film, and a UV lamp is used for curing; printing imitation color UV ink at the position needing gold stamping by using a UV printer, and curing by using a UV lamp; s4, a UV printer is used for evenly scattering hot melting powder on the positions, where color hot stamping and gold stamping are needed, of the transfer printing film, and excessive hot melting powder is shaken off; and S5, the hot melting powder on the transfer printing film is heated and baked through a drying device to be melted, and air blowing cooling is carried out. The method has the advantages of being simple in process, good in effect and capable of improving the printing efficiency and reducing the production cost.

The invention discloses an automatic mold stripping device, belongs to the technical field of mold equipment, and provides an automatic mold stripping device capable of rapidly forming a complex sand mold structure. The automatic mold stripping device comprises a base and a compaction mechanism, the base is connected with a lifting cabin through a lifter, and a plurality of retracting and releasing mechanisms are arranged on the side wall of the lifting cabin; each retracting and releasing mechanism is provided with a movable template, all the templates are located in the lifting cabin and can form a main mold cavity when approaching each other, the inner wall of the lifting cabin is fixedly connected with a partition plate, the center of the partition plate is provided with a base mold cavity penetrating through the upper surface and the lower surface, and the compaction mechanism comprises a fixedly-arranged rack and a linkage plate rotationally connected with the lifting cabin. According to the mold plate structure capable of being demolded in the radial direction of the molding sand mold in the motor shell, the probability of blocking and interference between the mold plate and the molding sand mold in the motor shell in the demolding process is effectively reduced, and therefore the molding sand mold in the motor shell can be made to be more complex, and the motor shell with a more complex inner wall structure is manufactured.

A wire harness manufacturing method and a wire harness. The method includes: S 110: providing a metal sheet; S120: performing a subtractive process on the metal sheet to make the metal sheet form at least one conductor with a preset conductive trace; and S130: forming an insulation layer on the conductor. The wire harness is manufactured by the wire harness manufacturing method. The present disclosure provides subtractive manufacturing method for manufacturing a wire harness. The manufacturing method is simple, is convenient for manufacturing a complex conductive circuit, and can realize automatic, large-scale rapid production, and achieve high processing speed and precision, thereby greatly reducing the cost of the wire harness and improving the qualification rate thereof.

The invention relates to the field of the manufacturing industry, in particular to an intelligent robot production detection device for the manufacturing industry. According to the intelligent robot production detection device for the manufacturing industry, product detection can be more efficient, the products can be detected more comprehensively, the detection result of the products is more accurate, and therefore the quality of the products produced subsequently is better. An intelligent robot production detection device for the manufacturing industry comprises a mounting frame, a fixing frame, a motor supporting frame and the like. A fixing frame is fixedly connected to the top of the mounting frame, and a motor supporting frame is fixedly connected to one side of the mounting frame. Firstly, a worker starts a servo motor, a second detection machine and two first detection machines to detect the top, the lower portions of the two sides, the upper portions of the two sides, the lower portions of the other two sides and the upper portions of the other two sides of a product, the product can be comprehensively detected, and therefore the product detection efficiency is high, and the detection result is accurate.

According to the patterning annealing method for the trans-structure perovskite battery electrode, the patterning heat insulation sheet is used for applying the high temperature required by annealing to the main grid lines and the fine grid lines, and meanwhile, the perovskite functional layer area is maintained at the low temperature, so that thermal damage is avoided. According to the invention, selective annealing is realized through a physical mode of a light-transmitting area and a heat-insulating area, and the method is an electrode annealing solution which is efficient, uniform, low in cost and easy to integrate to a large-area production line. The annealing time identical to or even longer than that of traditional global annealing is allowed to be used, it is ensured that the silver electrode is fully sintered, the low-resistance, high-adhesive-force and compact electrode is obtained, the large-area xenon lamp is good in illumination uniformity, and the heat insulation sheet with precise positioning is combined; synchronous and uniform annealing of all grid lines of the whole cell can be realized, a high-temperature area is strictly limited in an electrode line fundamentally, the temperature rise of a perovskite layer below is extremely low (can be controlled below 50 DEG C), and the material thermal budget conflict is perfectly solved.

The utility model discloses a household garbage leachate microfiltration device which comprises a microfiltration membrane assembly, the microfiltration membrane assembly is used for filtering leachate, the microfiltration membrane assembly is further connected with a storage tank assembly, a backwashing assembly and an acid pickling assembly, the storage tank assembly is used for storing crystal substances, and the backwashing assembly is connected with the acid pickling assembly; by the adoption of the method, the functions of normal water production, crystallization accumulated sludge discharge, backwashing dredging, chemical cleaning and the like are integrated, the production function integration characteristic is achieved, operation is easy and convenient, efficient interception is conducted through the microfiltration membrane assembly, the production efficiency is improved, and the production cost is reduced. The problem that crystals cannot be efficiently removed independently by means of precipitation and other measures is avoided, the standing time and the occupied area are reduced, the microfiltration membrane assembly is convenient to discharge sludge, rapid sludge discharge and rapid production can be achieved according to the combined action of gravity and air pressure, meanwhile, cleaning and overhauling are convenient, hydrochloric acid liquid can be recycled, the use amount of cleaning acid liquid is reduced, and the cost is reduced. And the use cost is lower.

The utility model provides a loading device for recovering compressed natural gas (CNG) from a shale gas scattered well, which is characterized by comprising a main skid seat, at least one group of recovery device is arranged on the main skid seat, each recovery device comprises a process pipeline, a gas unloading system, a filter, a pressure regulator, a heater and a metering device, a gas inlet of the gas unloading system is connected with an output port of a tank car, and a gas outlet of the gas unloading system is connected with a gas outlet of the tank car. A gas outlet of the gas discharging system is connected with an inlet of the filter on one hand and connected with the tail gas recycling opening on the other hand, a preheating inlet of the heater is connected with an outlet of the filter, a preheating outlet of the heater is connected with an inlet of the pressure regulator, an outlet of the pressure regulator is connected with a reheating inlet of the heater, and a reheating outlet of the heater is connected with an output opening through the metering device. The reheating outlet is further connected with an emptying opening, and the heater is further provided with a water outlet. The device is simple in structure, can be integrally transported and hoisted, reduces field work, quickly builds a station and is put into production, efficiently solves the problem of natural gas uploading in scattered well sites, and achieves good economic and environmental protection benefits.

The application provides a pultrusion process, product and application of a thermoplastic resin composite material, the pultrusion process comprising the following steps: preheating a prepreg tape and then feeding the prepreg tape into a pultrusion forming die for pultrusion forming, wherein the pultrusion forming die comprises a heating die and a cooling die, the heating die comprises a first heating zone and a second heating zone, the temperature of the second heating zone is less than the temperature of the first heating zone, the temperature at which the thermoplastic resin is decomposed by 10 wt% in an air atmosphere is denoted as T a ℃, the temperature of the first heating zone is denoted as T1℃, 95≤T a -T1≤150. The product obtained by the pultrusion forming process of the application has a good appearance, and the mechanical properties of the product are good. Different structural parts can be produced, and the application has the advantages of low processing temperature, low energy consumption, fast manufacturing speed, simple processing technology and continuous production. The continuous fiber reinforced thermoplastic resin prepreg tape is used as a base material to endow the product with recyclable processing performance.

The invention provides a BOPET (Biaxially Oriented Polyethylene Terephthalate) non-silicon release film with high residual rejection rate and adjustable release force and a preparation method of the BOPET non-silicon release film. The BOPET non-silicon release film with the high residual rejection rate and the adjustable release force comprises a BOPET base film and a non-silicon release layer located on at least one side of the BOPET base film. The preparation method comprises the following steps: adding corona and on-line coating procedures between longitudinal stretching and transverse stretching in the process of producing the BOPET film by a direct melting method so as to form a non-silicon release layer on the surface of at least one side of a longitudinal stretching product, and then sequentially carrying out a series of procedures of transverse preheating, stretching, curing and shaping, and traction and rolling to obtain the BOPET non-silicon release film. The BOPET non-silicon release film provided by the invention has the advantages of uniform coating thickness, stable release performance after long-term placement, high residual adhesion rate, low aging, simple production process, high production yield per unit time and low cost.

The utility model provides a buckling and pressing type plastic bucket which comprises a hollow plastic bucket body, a clamping portion used for being connected with a top cover in a clamping mode is formed close to the upper edge of the plastic bucket body, and the clamping portion is in a concave shape from the surface of the plastic bucket body. A cover edge part extending downwards extends out of the edge of the buckling cover, and a buckle used for being matched with the clamping part is formed on the inner side of the cover edge part; wherein the inner diameter of the cover edge part is smaller than the outer diameter of the top of the plastic bucket main body, and the clamping part and the top edge of the plastic bucket main body are arranged at an interval. The packaging type design is easy to integrate in an installation production line, the whole structure can be formed through two-time injection molding, the production speed is high, and the sealing effect is good.

The utility model relates to a 3D printing U-shaped molar propelling device. The 3D printing U-shaped molar propelling device comprises a 3D printing retention part and a propelling mechanism, the retention piece is arranged on an abutment tooth and is used for fixing the propelling mechanism, and the propelling mechanism is positioned at an edentulous position and is used for providing support for adjacent teeth on two sides of the edentulous position. All the components can be printed and formed by adopting a 3D printing technology, personalized customization on-site processing can be performed according to the oral cavity structure of a wearer, the manufacturing speed is high, the number of times of re-consultation of the wearer is optimized, the propelling device can be tightly attached to the tooth surface, and therefore the foreign body sensation of the wearer is reduced while stable support between teeth is provided; the propelling mechanism is small and exquisite in structure and can be hidden between tooth gaps, so that the influence of the propelling device on other oral activities of the wearer is further reduced.