74results about How to "Solve the problem of uneven distribution" patented technology

The invention discloses a method for controlling distribution of refrigerants of indoor units of an air conditioning system. The process of the method is as follows: when multiple indoor units of the air conditioning system run in the heating mode, refrigerant temperatures at heat exchanger inlets of the indoor units running in the heating mode are acquired at the preset time interval; the average temperature value of the acquired refrigerant temperatures of the multiple indoor units is calculated; when differences between the refrigerant temperatures of certain indoor units and the average temperature value are larger than a preset temperature difference, current distribution of the refrigerants of the indoor units is judged to be uneven. The invention further provides a device for controlling distribution of the refrigerants of the indoor units of the air conditioning system. The method and the device solve the problem of uneven distribution of the refrigerants due to erroneous judgement of the flow of the refrigerants of the indoor units of the multi-split air conditioning system.

The invention discloses a preparation method and application of functional reconstituted tobacco. The preparation method includes the following steps that 1, tobacco waste is subjected to soaking extraction and solid-liquid separation to obtain a tobacco powder extraction solution and tobacco powder dregs; 2, tobacco stems are subjected to soaking extraction and separation to obtain a stem extraction solution and stem dregs; 3, the tobacco powder dregs and stem dreg fibers are mixed, wood pulp fibers are added, and the mixture is prepared into pulp; 4, non-tobacco matter is smashed and screened, the screened non-tobacco matter is added into the pulp, the non-tobacco matter and the pulp are mixed evenly, and the pulp is prepared into a substrate in a papermaking mode; or the screened non-tobacco matter is added into the pulp in the pulp papermaking process; 5, a stem concentrated solution, a tobacco powder concentrated solution and spice are blended to obtain a coating solution; 6, the substrate is coated with the coating solution, dried and sliced to obtain tobacco slices. According to the preparation method, the non-tobacco matter is smashed and then added into the pulp, then papermaking is carried out, high-temperature treatment of the non-tobacco matter is not needed, the preparation method is suitable for many types of raw materials, the characteristic aroma of the non-tobacco matter is kept to the maximum degree, and the quality of the tobacco slices is improved.

The invention discloses a medical data processing system, which comprises a self-operation movable storage device, a terminal calculator, a medical data processing server and at least one case history information database. The invention also provides a medical data processing method, which comprises: when the terminal calculator detects that there is self-operation movable storage device is inserted into the data communication interface, starting the user program of self-operation movable storage device; the terminal calculator sends the data synchronous request to the medical data processing sever; the medical data processing server processes the synchronization of health information data. The health information can be viewed by many methods, via movable terminal or WEB, and it can automatically diagnose via the user health information. With said invention, user can easily browse the health information to solve the imbalance distribution of medical resource.

The invention relates to an axial-feeding type rice and wheat threshing and separating integrated device which comprises a feed head (1), a longitudinal axial-flow threshing and separating drum (2), a threshing gridded cover plate (3) and a separating concave grate (4). The feed head (1) is arranged at the front end of the longitudinal axial-flow threshing and separating drum (2), the threshing gridded cover plate (3) is arranged on the upper side of the longitudinal axial-flow threshing and separating drum (2), the separating concave grate (4) is arranged on the lower side of the longitudinal axial-flow threshing and separating drum (2), and the threshing gridded cover plate (3) and the separating concave grate (4) encircle to form a barrel capable of accommodating the longitudinal axial-flow threshing and separating drum (2). The axial-feeding type rice and wheat threshing and separating integrated device can realize high-feed harvesting of rice or wheat, and is high in harvesting efficiency and high in threshing capacity. As the length of the longitudinal axial-flow drum is reduced effectively, straws smashed by smashing and throwing mechanism are smashed effectively and thrown uniformly, and then can be returned to fields directly after harvesting.

The invention discloses an image enhancement method in a dark light environment and belongs to the field of image processing. The problems of distorted representation result, blurred image contour andlow color saturation after enhancement seriously exist can be solved; The method comprises the following steps: extracting a brightness component V in an HSV in a dark light image, carrying out logarithmic transformation of global brightness, and carrying out overall brightness improvement on a low-illumination area in the dark light image; Obtaining neighborhood average brightness of pixel points in the current dark light image by using bilateral filtering under a receptive field three-Gaussian model of the retinal neurons; A function of extracting a local bright part from an image background is realized by utilizing top and bottom cap transformation processing, and then light and shade extraction and noise reduction are carried out on the image by utilizing top and bottom cap transformation; According to the method, the enhanced details of the dark-light color image can be well represented, the problem of non-uniform illumination distribution is solved, the overall contrast of the image is improved, the detail contour of the image is clear, and the color saturation is high.

The invention discloses a preparation device of integral magnesium matrix composite, which consists of a melting device and a squeezing device. The invention is characterized in that the concave mode barrel and the forming die bottom exit of the squeezing device are sealed in ejector pins; the upper end port of the concave barrel is sealed in cushion block to form a sealed cavity. The melting cavity of the melting device and the mould cavity of squeezing device are communicated through feed liquor of a three-way pipe; the third end of the three-way liquid inlet pipe is communicated with the vacuum pump through pipes; the liquid level sensor is inserted into the cavity of the melting cavity and connected with the cap of crucible lid by adopting self-sealing thread. By adopting the design of the preparation device of the integral magnesium matrix composite, the invention processes the required magnesium alloy for preparation magnesium matrix composite by the four steps melting, pouring, impregnating and extrusion forming in a totally closed integral device.

The present invention relates to a styrene-base wood-like material formula, wherein the styrene-base wood-like material comprises, by weight, 100 parts of general purpose polystyrene, 20-40 parts of high impact resistance polystyrene (HIPS), 10-15 parts of a styrene butadiene rubber, 2-5 parts of an inorganic filling material, 0.5-1.5 parts of a foaming agent, 0.5-3 parts of a cell regulator, 0.2-0.5 part of an ultraviolet absorber, 0.5-3 parts of a lubricant, 0.4-0.7 part of a wood aroma agent, 0.7-1.3 parts of a dispersing agent, and 0.5-2 parts of a coloring agent. According to the present invention, compatibility between the main material and the auxiliary material is avoided, and the problems of large size difference, uneven distribution and the like of the cells in the traditional wood plastic wood-like material are solved so as to further improve water resistance and moisture resistance of the wood-like material, reduce material density and brittleness, improve mechanical strength and prolong a service life.

The invention relates to a parallel flow heat exchanger, which comprises at least two stacked parallel flow heat exchange units, wherein each parallel flow heat exchange unit comprises a top flow collecting pipe, a bottom flow collecting pipe, and a plurality of parallel flat pipes communicating the top flow collecting pipe and the bottom flow collecting pipe; and the axial flowing length of a heat exchange medium on the top flow collecting pipe is larger than that on the bottom flow collecting pipe; and the axial flowing length on the top flow collecting pipe is as long as possible, while the axial flowing length on the bottom flow collecting pipe is as short as possible. The parallel flow heat exchanger improves the heat exchange medium of two-phase flow of gas and liquid remarkably, in particular solves problem of delamination of the gas and the liquid in refrigerant, so as to effectively solve the problem of uneven distribution of the gas and the liquid, improve heat exchange efficiency of the heat exchanger, and fully evaporate the refrigerant. At the same time, the parallel flow heat exchanger saves volume and reduces cost.

The invention relates to a lubricating oil. The lubricating oil comprises, by weight, 4-4.5 parts of a dispersant, 2-3 parts of a viscosity modifier, 0.5-0.8 part of an anti-wear agent, 0.2-0.3 part of a wear reducer, 0.05-0.1 part of a detergent, and base oil, and the total weight part is 100. The effect of the compatibility of all modification components is far better than the superposed effect of individual modification components in affection of the performances of the base oil, so the wear resistance and the dispersion performance of the lubricating oil are remarkably improved.

The invention provides a novel alliance chain based on distributed storage, and belongs to the technical field of block chains. The problem that in the prior art, the hard disk space of each node mustbe expanded along with the increase of blockchain data is solved. The novel alliance chain based on distributed storage comprises consensus nodes of a block chain platform running on the bottom layer, and each consensus node is provided with the following modules: a node mapping module used for mapping each consensus node to a hash ring according to the address of each consensus node in the alliance chain; and a block mapping module which is used for mapping according to the height of the block. The novel alliance chain based on distributed storage has the advantages that the novel alliance chain based on distributed storage is provided; the hash ring is introduced to realize that the block data on the alliance chain is not stored in each consensus node, but only needs to be stored in oneconsensus node, so that the requirement of the block data on the storage space is reduced, and the network resources consumed for transmitting the block data are also reduced.

The invention discloses a device for dip coating and baking a motor stator, and the device comprises a rotary cage frame, and a rotary cage frame transporting platform and a slide rail, which are matched with each other, wherein the rotary cage frame is supported and installed on the rotary cage frame transporting platform through rotary wheels, and the rotary cage frame transporting platform is provided with motors which are connected with rotary wheels in a transmission way; and one side of the slide rail is provided with an overturn mechanism for overturning the rotary cage frame transporting platform. Through the additional rotary wheels and the additional motors, the rotary cage frame can be enabled to rotate and bake; and meanwhile, due to the adoption of the additional overturn mechanism, the overturn cage frame can be overturned from the vertical type and the horizontal type, so that the horizontal rotary baking of the motor stator can be realized, and the problem that paint on the surface of the motor stator is easy to flow and the paint is non-uniformly distributed on the surface of the motor stator can be solved. The device is applicable to the dip coating and baking of the motor stator.

The invention relates to a special hydrocracking catalyst, and a preparation method and application thereof. According to the preparation method for the catalyst, a solution after-treatment method is adopted to ensure that metal is uniformly deposited on a carrier and does not migrate in the subsequent drying process, so that uniform dispersion of the metal is realized; and by the preparation method for the catalyst, the metal is uniformly dispersed, the carrier and the metal are well matched, and the catalytic performance is greatly improved. The hydrocracking catalyst is most suitable for the middle distillate type hydrocracking process.

The invention provides a network intrusion detection method and system based on data enhancement and BiLSTM (Bidirectional Long Short Term Memory), and solves the problem that the existing network intrusion detection method is low in intrusion detection and recognition accuracy of minority class attack samples, firstly, network intrusion detection flow data is collected, then, preliminary feature extraction is performed, a training data set is formed, attack type data samples with small data volume are confirmed and then data enhancement is carried out, then a BiLSTM neural network model is constructed and iterative learning training is carried out, the model automatically extracts feature information at a higher level, high-dimensional nonlinear network traffic features can be better processed, manual limitation caused by the fact that traditional shallow machine learning depends on manual feature extraction is overcome, the problem that class distribution in a training data set is unbalanced can be solved through data enhancement operation, and the recognition accuracy of minority class attack samples is improved on the premise that the model keeps a high overall detection rate and a low false alarm rate.

The invention relates to a bubbler with a novel structure. The bubbler with a novel structure comprises a cylindrical shell, an air inlet pipe, primary gas distribution pipes, secondary gas distribution pipes, jet pipes, an air exhaust opening, a liquid desulfurizer inlet, a slag liquid outlet, etc., wherein the lower part of the cylindrical shell is an absorption liquid chamber, the upper part of the cylindrical shell is a purified gas chamber, the air inlet pipe and the wall of the cylindrical shell are connected through welding, one end of the air inlet pipe is vertically welded with and communicated with the primary gas distribution pipes, the primary gas distribution pipes and the secondary gas distribution pipes form a disc type gas distributor apparatus which comprises an upper gas distributor and a lower gas distributor, the jet pipes are welded on the secondary gas distribution pipes, the welded jet pipes form a shape resembling the Chinese character Ba in a same cross section of the secondary gas distribution pipes, the air exhaust opening is welded on an end cap of the cylindrical shell, the liquid desulfurizer inlet is located at a center point position at a height direction of the cylindrical shell, and the slag liquid outlet is located at a lowest position of the cylindrical shell. The bubbler provided by the invention can greatly increase a total area of a gas outlet, which enables great exhaust-gas treatment capacity and improved desulphurization efficiency to be obtained, and the bubbler has a compact and reasonable structure and is convenient to install.

The invention relates to a distributor and a plate-fin heat exchanger with the same. The distributor comprises a distributor shell with an upper opening and a lower opening; a rectangular framework is arranged at the bottom of the distributor shell; a plurality of partition boards are vertically inserted into the distributor shell at intervals; the rectangular framework is divided into a plurality of air-phase channels through the partition boards; the distributor further comprises a liquid-phase channel; the liquid-phase channel is a rectangular pipe, is transversely arranged, and passes through the partition boards; liquid-phase inlets are formed in the distributor shell corresponding to the both ends of the liquid-phase channel; a liquid-phase inlet sealing head is arranged at the outer side of each liquid-phase inlet; a baffle partition part is arranged at the middle part inside the liquid-phase channel; a liquid outlet is formed at the top of the liquid channel between two adjacent partition boards; and a gas-liquid mixing channel is formed between the two partition boards above each liquid outlet. With the adoption of the distributor provided by the invention, the requirements of gas-liquid distribution and normal working in an offshore shaking condition can be met. The distributor can be widely applied to liquefied natural gas FPSO (Floating Production Storage and Offloading) in the offshore shaking condition.

The invention discloses a construction device for sealing and filling the headspace cavity of the foundation pile of a composite pile. When secondary pouring is carried out on the pile top, a novel grouting bottom pipe is firmly welded with a main reinforcement and is poured in a secondary pile top, and the pipe orifice is inserted in the cavity of the pile top; the novel grouting bottom pipe at the external part of the foundation pile is embedded in foundation soil shallow stratum and is led to the ground from the side face of a raft plate. Compared with the traditional grouting method, the construction device can economically and reasonably realize the grouting and sealing operation on the cavity of the pile top, ensures that the integrality of the raft plate is not destroyed and that rebar binding operation is smoothly carried out, reduces the engineering cost and improves the working efficiency.

A driving circuit of liquid crystal display is prepared as using multiple gate electrode driver to drive multiple film transistors selectively, using multiple source electrode driver to receive video signal for displaying on display, having adjustable shared voltage generating circuit set on each source electrode driver and outputting the same voltage by these circuits, using time - sequence controller to provide control signal and data to both driver and to provide adjustable data to voltage generating circuit.

The invention relates to a mode of the discharge of blast furnace products molten iron and slag from a blast furnace, and especially relates to a structural form of the hearth of the blast furnace. The molten iron and the slag generated by the blast furnace can be uniformly discharged from the blast furnace, so the nonuniform circumference discharge of a gas flow in the blast furnace can be radically solved, thereby a technical problem that the various raw materials enter the blast furnace in a nonuniform mode because permeabilities of circumferential material columns are different can be eliminated. A technical scheme of the technology is that: an air port and the hearth under the air port are neck-reduced through an inclination segment, and are vertical to the furnace, and an iron port is arranged on the side wall of a vertical segment. The technology is characterized in that: the slag iron generated by the blast furnace uniformly gathers to the hearth along the hot air direction, downward flows through the pressure in the furnace and the gravity, and is discharged to the outside of the furnace through the iron port. So, various raw materials of the blast furnace are kept equal and unified on the circumference in the blast furnace from the charge to the discharge of the furnace, thereby the long term stable production of the blast furnace is easy to realize.

The invention discloses a large-diameter rock-socketed single pile grouting construction method for offshore wind power, and belongs to the technical field of offshore wind power foundation grouting.The construction method is used for grouting construction of large-diameter rock-socketed single piles in offshore wind power plant construction, solves the problems about bottom sealing and side wallgrouting in the grouting construction process, and overcomes the technical defects of a common grouting method. The problem about bottom sealing caused by large-diameter single piles is solved through bottom sealing with a grouting material. The problem of non-uniform distribution of a grouting material of a large-diameter steel pipe pile is solved through uniform distribution of prefabricated grouting pipes in the steel pipe pile. By means of the application of an emergent grouting pipe, the risk of grouting is greatly reduced. Through the coordinated actions of lifting of a steel casing andgrouting, the phenomenon of aging adhesion of the steel casing and the grouting material is avoided, the steel casing can be reused, the cost of offshore wind power infrastructure is reduced, and thesafety of offshore wind power foundation construction is improved.

The invention discloses a coaxial double rod ejection type elliptical-incomplete non-circular and circular gear planetary system seedling slinging mechanism. The mechanism comprises a planet carrier, wherein a central incomplete non-circular gear, a central incomplete circular gear, a first middle elliptical gear, a first middle incomplete circular gear, a second middle elliptical gear, a second middle incomplete circular gear, a first planet elliptical gear, a second planet elliptical gear and two seedling slinging transplanting arms are supported on the planet carrier; each of the seedling slinging transplanting arms comprises a transplanting arm housing, a hollow loop bar is slidably arranged in the transplanting arm housing, and a solid push rod is slidably arranged in the hollow loop bar; a first limiting plate, a second limiting plate and an opening and closing mechanism are arranged on the hollow loop bar; and a double outline cam, a shifting fork and a trigger are hinged in the transplanting arm housing. By adopting a layout plan of the two transplanting arms, planet carrier rotates once to fetch the seedlings and eject twice, so that the work efficiency is high; and the mechanism can be suitable for seedling slinging operations of a seedling slinging machine in a paddy field and a dry land at any rotating speeds.

The invention provides a method and system for fragmenting and storing data, and relates to the technical field of data storage. The method comprises the following steps of fragmenting the basic dataof a business object, and mapping each group of fragmented basic data to one or more volume identifiers; mapping each sub-volume identifier to one physical node so as to store each group of basic dataon the corresponding physical node; and when the associated data of the business object is stored, searching a volume division identifier of the basic data corresponding to the associated data, and storing the associated data on a physical node to which the volume division identifier is mapped. According to the method and the system, the distributed data storage based on dynamic volume division is realized, and the problem of unbalanced distribution of some larger business object data in the prior art is solved.

The invention provides a wide-area virtual data space account dynamic mapping mechanism and a data security management and control method. Based on a global unified account and supercomputing center local account diversified mapping mechanism, a set of account dynamic mapping mechanism is realized, and based on the account dynamic mapping mechanism, account data space isolation and safety access are realized through account data space isolation and authority control. Firstly, a set of dynamic account mapping mechanism is realized by researching a mapping relationship between a global unified account and a local account, the problem of balanced mapping between a virtual account and the local account is solved, and unified management and access of the global account are supported; secondly,based on an account dynamic mapping mechanism, isolation and space authority management are carried out through data space, and safety control over user space is achieved. According to the method, theproblem of unbalanced distribution of the virtual data space account and the local account of the supercomputing center is solved, and safe access of the user space is realized through isolation andauthority management of the user space.

An industrial residue collecting and transferring device comprises a square box body, a lifting and dumping mechanism, a discharging mechanism, a discharging winch and a shaking mechanism. The liftingand dumping mechanism comprises a lifting hopper, and the lifting hopper is used for lifting and dumping industrial residues into the square box body. The discharging mechanism comprises a first sealing plate, a second sealing plate and a third sealing plate which are hinged in sequence, and a discharging opening is formed in the first sealing plate. The shaking mechanism is used for shaking thefirst sealing plate and comprises a driving sleeve-shaped piece and a driven sleeve-shaped piece. The lifting hopper is a lifting carrier and is also a constituent part of a whole box structure, automatic sliding and automatic overturning discharging can be achieved, the problem of uneven material distribution is solved, and the occupancy rate of the box body is increased. The discharging height and the discharging direction of a material outlet can be adjusted through the discharging mechanism, and the phenomena of industrial residue accumulation and throwing are prevented. An additional power source does not need to be added for the shaking mechanism, and the shaking mechanism can violently shake the first sealing plate. The structure is novel, the conception is ingenious, and the designrequirement is met.

The invention relates to a bubbler. The bubbler is composed of a barrel body, a gas inlet pipe, a first-stage gas distribution pipe, a second-stage gas distribution pipe, a jetting pipe, an exhaust port, a liquid desulfurizer inlet, a slag liquid discharging port and the like. An absorbing liquid cavity is formed in the lower portion of the barrel body, and a purifying gas cavity is formed in the upper portion of the barrel body. The gas inlet pipe is connected with the barrel wall in a welding mode, one end of the gas inlet pipe is perpendicularly welded to the first-stage gas distribution pipe and communicated with the first-stage gas distribution pipe. The first-stage gas distribution pipe and the second-stage gas distribution pipe form two disk type gas distributor devices which are arranged in an up-and-down mode. The jetting pipe is welded to the second-stage gas distribution pipe, and the jetting pipe and the second-stage gas distribution pipe are welded in an inverted-V shape on the same cross section. The exhaust pipe port is welded to an end cover of the barrel body. The liquid desulfurizer inlet is located at the 1 / 2 position of the total height of the barrel body. The slag liquid discharging port is located on the bottommost portion of the barrel body. The bubbler can substantially increase the total area of a gas outlet, the waste gas treatment amount is large, desulfurizing efficiency is improved, the structure is compact and reasonable, and installation is convenient.

The invention relates to a half-wrapped ultrathin liquid-absorption core body and a making method. The half-wrapped ultrathin liquid-absorption core body can enable macromolecule resin to be distributed among swelling non-woven fabric grains and enable the liquid-absorption property of the macromolecule resin to be completely exerted and can effectively decrease the thickness of an absorber itself on the premise that a fluff pulp carrier is not needed for positioning the macromolecule resin, and an adhesive is not needed for positioning the macromolecule resin. The half-wrapped ultrathin liquid-absorption core body comprises a wrapping layer, a liquid-absorption layer is located on the wrapping layer, a covering layer is located on the liquid-absorption layer, a diversion layer is located on the covering layer, and the edges of the wrapping layer are taken up on the edges of the diversion layer. The half-wrapped ultrathin liquid-absorption core body and the making method have the advantages that a fluff pulp does not need to serve as a fixation base material of the macromolecule resin, the thickness of the absorber is greatly decreased, and the problem that distribution of the macromolecule resin on the fluff pulp is uneven is solved; due to the fact that the adhesive is not needed for fixing the macromolecule resin, the absorbing capacity of the macromolecule resin is fully utilized; the manufacturing cost is greatly reduced, and the production efficiency is greatly improved.

The invention relates to a composite feed pipe of a packed tower. The composite feed pipe comprises an inner pipe and an outer pipe, as well as a first flange, a second flange and a holeless flange, which can form a jacket space between the inner pipe and the outer pipe, so that liquid with kinetic energy, which enters into the inner pipe can enter into the jacket space via a liquid outlet hole of the inner pipe, then the kinetic energy of the liquid can be completely transformed to potential energy, and the impacts of flow rate of inlet liquid on the liquid outlet quantity of each of liquid outlet pipes of the outer pipe can be eliminated. When the liquid flows out of the liquid outlet pipes arranged at the bottom of a pipe body of the outer pipe, the quantity of the liquid is only dependent on the aperture and the potential energy, the liquid outlet quantity of each liquid outlet pipe is equivalent as long as all the liquid outlet pipes of the outer pipe are mounted horizontally and can change along with the changes in the inlet quantity of the inner pipe. The composite feed pipe disclosed by the invention can effectively solve the difficult problem that the liquid distribution of the traditional feed pipe is non-uniform, and compared with an existing feed device, and the composite feed pipe has the prominent advantages that the discharge distribution is uniform and can not be affected by the flow rate of the inlet liquid.

The invention discloses a high-dispersion impact-resistance graphene antiseptic coating and a preparation method. The high-dispersion impact-resistance graphene antiseptic coating has the characteristics that rubber particles capable of expanding when meeting water are etched into a porous carrier through laser, then, the mixed powder of graphene and low-temperature foaming agent is carried in thehole of the porous carrier; after the mixed power is mixed with resin coating, a foaming agent generates air and pushes the graphene in the hole to be evenly dispersed in the resin coating to obtainthe impact-resistance graphene antiseptic coating. The high-dispersion impact-resistance graphene antiseptic coating has the remarkable results: in a system formed by the graphene and porous rubber particles, since hydrophilic components are contained in a rubber substrate, primary dispersion is firstly formed, and secondary dispersion is formed by air driving, so that the problem that the graphene is unevenly dispersed is indirectly solved, the antiseptic performance of the coating is improved, meanwhile, the porous rubber particles in the coating achieve an effective buffer function, and theimpact resistance of the coating is improved.

The invention discloses a construction device for pile top cavity sealing of a composite pile foundation. When a pile top is secondly poured, a novel grouting bottom pipe and a main rib are welded firmly and poured in the interior of the second pile top, and a pipe mouth is inserted into the interior of a pile top cavity; the novel grouting bottom pipe outside a base pile is embedded in a shallowlayer of foundation soil and is led out the ground by the side surface of a raft plate. Compared with a conventional grouting method, the device can achieve the grouting sealing work on the pile top cavity economically and rationally,can ensure that the integrity of the raft plateis not damaged and the steel bar binding work is smooth while ensuring the grouting effect,reduce engineering costs andimprove work efficiency.

The invention provides a rotary blowing clamping head for the film coating of the inner wall of a light emitting diode (LED) lamp tube. An integral flange seat is connected above a conical rotation seat capable of inserting a lamp tube head from a bottom trumpet-shaped opening; a plurality of sliding chutes which communicate with a top tube head insertion hole in the conical rotation seat are distributed around the flange seat; the plurality of sliding chutes are independently provided with a sliding claw which can be clamped into the chutes, and the tail end of each sliding claw is exposed from the tube head insertion hole; the plurality of sliding claws are tensioned through a circular ring shaped tension spring to be positioned in the sliding chutes; a flange plate in bolt fixing is arranged above the flange seat; a blowing nozzle is rotatably installed above the flange plate; and the middle hole of the blowing nozzle and a lamp head insertion hole in the bottom conical rotation seat are through. During utilization, the LED lamp tube head is sheathed into the whole of the device, and the plurality of sliding claws expand to the periphery to tension a top tube. Due to top and bottom vertical positioning, air can be inwards blown through the blowing nozzle, and therefore, a coated film is even and consistent.