2281results about How to "Improve product quality" patented technology

The invention relates to a method for preparing a lithium iron phosphate / carbon composite material of a lithium ion battery, which belongs to the technical field of lithium ion batteries. The method for preparing the lithium iron phosphate / carbon composite material of the lithium ion battery comprises the following steps of: 1) preparing a suspending graphene-dispersed aqueous solution system, namely, crushing graphite to 1 to 5 microns, adding the crushed graphite into distilled water or purified water, adding 0.1 to 5 percent of surfactant, heating with stirring the mixed solution to 180 to 250 DEG C in a sealing way, performing stirring for 2 to 6 hours and reducing the temperature; 2) crushing lithium iron phosphate to the particle size of 1 to 5 microns, adding the crushed lithium iron phosphate into the distilled water or the purified water, adding with stirring 0.01 to 1 percent of coupling agent, performing uniform stirring, adding the graphene-dispersed aqueous solution, and performing stirring and filtration; and 3) vacuum-drying solid powder obtained by the filtration, and calcinating the dried solid powder for 2 to 12 hours to obtain the graphene-coated lithium iron phosphate cathode material. The method has the advantages of simple process, high material performance, high conductivity, high bulk density, high compacted density and the like.

The invention provides an automobile balance block die-casting mould, which comprises a push cylinder, an upper mould base, an upper mould, a lower mould and a lower mould base, wherein the upper mould is arranged on the lower end of the upper mould base; the lower mould is arranged on the upper end of the lower mould base; the upper mould base is connected to the upper end of the lower mould base through a guide pillar; cooling holes are formed in the upper end face and the lower end face of the upper mould base in a penetrating way; a guide sleeve is connected onto each cooling hole. According to the automobile balance block die-casting mould, each cooling channel is communicated with a blind hole, each blind hole is communicated with a cooling hole, and each guide sleeve is arranged on the corresponding cooling hole, so that the mould can be cooled conveniently and quickly through injecting cooling water in the guide sleeves; the cooling channels are arranged at equal distances and in parallel, so that cooling is uniform, the cooling effect can be further improved, and the product quality is improved; the automobile balance block die-casting mould is simple in structure, convenient to operate, and good in cooling effect.

The utility model belongs to the technical field of lubricating oil additive filling, and particularly relates to a lubricating oil additive finished product filling device which comprises a base, supporting legs are arranged at the four corners of the bottom of the base, a filling mechanism is installed on the top of the base, and the rear end of the filling mechanism is communicated with a stirring mechanism. And a conveying mechanism is arranged below the filling mechanism. According to the filling mechanism disclosed by the utility model, the lubricating oil additive can be quickly filled through the cooperative operation of the liquid pump, the hose, the connecting pipe and the filling head. The electric telescopic rod can adjust the height of the filling head to adapt to filling containers of different specifications, and the universality of the equipment is improved; the electromagnetic valve can accurately control opening and closing of each filling head, and the accuracy of the filling amount is ensured.

The invention belongs to the technical field of organic synthesis, and particularly relates to a catalyst-free continuous production method of chlorotert-butane, which comprises the following steps: adding diluted hydrochloric acid as a starting solution into the tower kettle of a reactive distillation tower, and heating the tower kettle to boil until reflux exists at the tower top; the method comprises the following steps: adding tert-butyl alcohol and concentrated hydrochloric acid into a mixing preheater for preheating, then continuously feeding from a feed port of a reactive distillation tower until the tower top temperature is 45-48 DEG C, the side discharge port temperature is 50-52 DEG C and the tower kettle temperature is 96-105 DEG C, and carrying out reflux according to a reflux ratio of (1.5-3): 1; and continuously extracting crude chlorinated tert-butane from a side discharge port of the tower, cooling, neutralizing, drying and filtering to obtain the chlorinated tert-butane. According to the invention, through the integrated design of the mixing preheater and the reactive distillation column, especially by utilizing the reactive distillation technology to continuously remove the product, the chemical equilibrium limitation of the traditional intermittent process is successfully broken, the raw material conversion rate is obviously improved, and meanwhile, the green production targets of flow simplification, energy consumption reduction and three-waste emission reduction are realized.

The invention discloses a feeding mechanism of an automatic cold header for machining piston pins. The feeding mechanism comprises a main machine (1), a feeding mechanism body (20) is arranged on the front portion of the main machine (1), the feeding mechanism is connected with an iron wire frame (2) through an iron wire, and a discharging mechanism (3) is arranged on one side of the main machine (1). The feeding mechanism body comprises a base (4), fixed wheels (5) are arranged on one side of the base (4), and moving wheels (6) are arranged on the other side of the base (4). Side bases (7) are arranged on two sides of the base (4), sliding bases (8) are arranged on the inner sides of the side bases (7), and the contact surfaces of the sliding bases (8) and the side bases (7) are in sliding fit. The moving wheels (6) are arranged on the upper sides of the sliding bases (8), a threaded barrel (9) is fixed below the sliding bases (8), a threaded column (10) is arranged in the threaded barrel (9), a bearing pedestal (11) is arranged at one end of the threaded column (10), a rotating ring (12) is fixed to the other end of the threaded column (10), the rotating ring (12) is provided with a circle of small holes (13), and a rotating handle (14) is arranged in one small hole (13) in an embedded mode.

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.

The invention relates to the technical field of handbag material surface defect image detection, in particular to an environment-friendly handbag material surface defect image detection method and system, and the method comprises the following steps: obtaining image data of the surface of an environment-friendly handbag material; dividing the image data into a plurality of local areas; for each local area, extracting image features representing visual features of the local area; establishing a normal feature range of the local area, and continuously adjusting the normal feature range in combination with the environment information; comparing the current image feature with the continuously adjusted normal feature range to identify an abnormal region deviating from the continuously adjusted normal feature range; and according to the image feature mode of the abnormal region, natural textures and defects are distinguished, and defect information is output. According to the method, natural textures and real defects on the surface of the environment-friendly handbag material can be effectively distinguished, potential defects with low contrast and fuzzy edges can be identified, and the accuracy and reliability of detection are improved.

The application relates to a swing granulator seven-star roller and a mounting structure thereof. The swing granulator seven-star roller and the mounting structure thereof comprise a seven-star roller body, the seven-star roller body is in a cylindrical working surface structure, seven convex granulation corners are uniformly arranged on the outer peripheral wall of the seven-star roller body, the working surfaces of the granulation corners are all arranged in arc structures, and the arc structures are matched with a screen of the swing granulator; a roller mounting mechanism, which comprises a rack, a bearing seat, a bearing arranged in the bearing seat and a rotating shaft penetrating through the bearing, the rotating shaft is connected with an end shaft of the seven-star roller body, the bearing seat is mounted on the rack, a material seepage discharge port is formed in the rack at the bottom of the bearing seat; and a sealing assembly, which is sleeved on the rotating shaft and located at the opening end of the bearing seat. The material can be more fully and uniformly extruded, the hardness of wet particles is effectively improved, the generation of fine powder after drying is reduced, the quality of granular products is improved, the dead angle residual of the material in the equipment is reduced, and the material waste is reduced.

The utility model discloses a cosmetic bottle cap conveying mechanism and cosmetic bottle cap automatic cleaning device, cosmetic bottle cap conveying mechanism includes support, driving roller, from the roller, multiple conveyor belts, first drive component and a plurality of partition, and driving roller rotates and is established on the support, from the roller rotates and is established on the support, and with the driving roller interval arrangement, the axis of driving roller with the axis of from the roller parallel arrangement, multiple conveyor belts are set up on driving roller and from the roller, and there is interval between adjacent conveyor belt, first drive component is located in the support, and first drive component is used to drive driving roller and rotates to drive from the roller and rotates, a plurality of partition are located in the interval between adjacent conveyor belt, to separate adjacent conveyor belt to the restriction conveyor belt in the course of operation lateral movement space, prevent conveyor belt to adjacent conveyor belt and shift to avoid multiple conveyor belt between mutual entangling, the situation of jam, guarantee the smooth operation of conveying process.

The utility model belongs to the technical field of motor manufacturing, and particularly relates to magnetic ring and casing assembling equipment, which comprises a casing carrying mechanism, a feeding position, a gluing position and a transfer position are sequentially arranged along a carrying path of the casing carrying mechanism, and a casing output from the feeding position is carried to the gluing position for gluing; the machine shell gluing mechanism is close to the gluing position and comprises a gluing execution assembly used for gluing the machine shell and a visual detection assembly used for detecting the gluing result, and when the detection result of the visual detection assembly is qualified, the machine shell carrying mechanism carries the glued machine shell from the gluing position to the transfer position; the rotating mechanism is provided with a plurality of installation parts in the circumferential direction, and a magnetic ring pushing position, a machine shell transferring position and a press-fitting position are sequentially arranged on the rotating path of the rotating mechanism. And the magnetic ring pushing mechanism is arranged at the magnetic ring pushing position and is used for pushing the magnetic ring to the mounting part. According to the magnetic ring press-fitting machine, automatic press-fitting of the magnetic ring and the machine shell can be achieved, the gluing uniformity of the machine shell is ensured, and the press-fitting concentricity of the magnetic ring and the machine shell is ensured.

The utility model discloses jelly slurry layered injection molding device, including device main part, the inside of device main part is equipped with layered device, the layered device includes hollow outer tube, rotary inner tube, installation pipe, layered motor, the upper end of hollow outer tube is equipped with three through -orifices, the surface of rotary inner tube is equipped with passageway, the inside of device main part is equipped with elevating gear, elevating gear includes device shell, screw groove, elevating motor, threaded rod, bearing, screw block, the inner surface of hollow outer tube is rotatably connected with rotary inner tube. Through setting elevating motor, threaded rod, screw block, through starting elevating motor and driving threaded rod rotation to make screw block move, indirectly make cooling mechanism move up and down, realized the elevating function of cooling mechanism, the cooling mechanism of different layer jelly slurry is cooled in turn respectively, prevents jelly slurry and mixes, improved the production quality of multilayer jelly product.

The utility model discloses a kind of semi-automatic foot mat machines, including rack, the top of rack is fixedly connected with Feida positioning mechanism, horizontal material taking mechanism and rotary positioning mechanism;Feida positioning mechanism includes mounting seat, and the material roll for installing foot mat roll material of fixedly connected on mounting seat, for receiving the material roll of foot mat roll material bottom film, for driving material roll to go out multiple material pulling roller, for stripping the positioning stripping assembly of foot mat material on roll material;Horizontal material taking mechanism includes stand, cross-moving component being installed on stand, and for suction foot mat material and take material component up and down;Rotary positioning mechanism includes driving motor being installed in rack, and rotary positioning disc are fixedly connected with driving motor output end, bottom disc is installed in rotary positioning disc top, and for compacting bottom disc compacting component.The utility model compared to pure manual operation, can improve production efficiency, and guarantee the positioning accuracy of each link in production process, help to improve the production quality of foot mat.

The utility model discloses a kind of composite fireproof insulation board laminating device, the utility model relates to thermal insulation board laminating technical field.It is laminated mechanism for composite fireproof insulation board and is provided on the mounting base, laminated mechanism includes: press-fit component, including the support rod fixed with both side walls of mounting base, the upper end of the support rod is provided with the mounting plate connected by lifting assembly, the lower end surface of the mounting plate is provided with the pressure plate main body connected by elastic component, the lower end inside of the pressure plate main body is provided with rectangular frame slot, the inside of the rectangular frame slot is provided with the rectangular pressure plate connected by telescopic component, the utility model is driven rectangular pressure plate telescopic by second hydraulic rod, realize the pertinence pressure to the edge of thermal insulation board, since the edge of thermal insulation board is prone to the problem of not firm combination when laminating, can effectively improve the compaction degree and bonding strength of edge, avoid edge curling, delamination and other quality problems.

The utility model discloses a kind of conical pipe splicing frocks, including bottom plate, support steel plate being set on bottom plate, multiple first positioning pins being set on bottom plate in circumferential array, multiple positioning columns being set on bottom plate in circumferential array, second positioning pin being set on positioning column, the bottom plate and support steel plate circumcentre coaxial line, circumferential array setting first positioning pin, positioning column array circumcentre coaxial line, first positioning pin, positioning column are fixedly installed on bottom plate, second positioning pin and positioning column circumcentre coaxial line.The beneficial effects of the utility model are convenient to splice, improve production efficiency, locate splicing, improve product quality.

The utility model discloses a production line has the body robot, including the bed, be provided with robot upper body and material supply unit on the bed, and the robot upper body has the trunk and the head, and the left and right sides of trunk are provided with first mechanical arm and second mechanical arm respectively, and the tail end of first mechanical arm is equipped with first processing execution module, and the tail end of second mechanical arm is equipped with second processing execution module. This production line has the body robot has the advantages of high degree of automation, strong continuous work capacity, good practicality, beautiful, can effectively improve production efficiency and product quality.

The invention discloses an intelligent temperature control method and system for a high-silica glass fiber production line, and relates to the technical field of high-silica glass fiber production.The intelligent temperature control method comprises the following steps that firstly, temperature sensors arranged at all nodes in a furnace hearth of a smelting furnace collect temperature data in real time, and on the basis of a finite element analysis algorithm, the temperature data are obtained; a regional temperature field model is constructed in combination with temperature data, content data of trace impurities in the raw materials are acquired in real time by adopting online detection equipment, the viscosity change trend of the melt under the current raw materials can be analyzed, the current temperature threshold value is dynamically adjusted according to the viscosity change, and the limitation of a traditional fixed temperature threshold value is broken through; the temperature control can better adapt to real-time fluctuation of trace impurities in raw materials, and proper temperature control can be realized under different raw material conditions, so that the qualified rate of products is effectively improved, the loss rate of the raw materials is reduced, manual intervention is reduced, the timeliness and accuracy of temperature control are improved, and the production cost is reduced. And the production efficiency and the product quality are further improved.

A filter bag edge folding metal strip cutting device comprises an unwinding device, a buffering device and a cutting device, the unwinding device is used for unwinding filter bag edge folding metal roll materials, and the cutting device is used for cutting and forming filter bag edge folding metal strips; the buffer device is arranged between the unwinding device and the cutting device and is used for buffering and reducing the conveying speed of the filter bag edge folding metal belt material; the buffering device comprises a hanging block, a lifting rope, a balancing weight and a connecting assembly. The left end and the right end of the connecting assembly are connected to the two hanging blocks respectively, one ends of the two lifting ropes are connected to the two hanging blocks respectively, and the other ends of the two lifting ropes are connected to the left end and the right end of the balancing weight respectively. According to the cutting device for the edge-folded metal strip of the filter bag, the problems that the unwinding speed of the edge-folded metal strip cutting device in the prior art cannot be adjusted while unwinding is conducted, and when the unwinding speed is larger than the cutting speed of a cutting device, the edge-folded metal strip of the filter bag is prone to being blocked and bent or folded and damaged are solved.

This utility model discloses a feeding device for PVC pipe production, comprising: an extruder body; a storage silo connected to the feed inlet of the extruder body; a feeding silo located on one side of the extruder body; a negative pressure pipe connecting the feeding silo and the storage silo, wherein a negative pressure fan is connected to the negative pressure pipe; and a weighing component located on the feeding silo for weighing materials. The advantages of this utility model are that it allows for the sequential weighing of different materials using the weighing component, resulting in accurate weighing data, avoiding uneven material proportions that could affect product quality, filtering materials to prevent clumping and impurities from entering, thus improving production quality, facilitating impurity removal, and increasing work efficiency.

The utility model relates to wafer line sugar material processing technical field, and disclose a kind of wafer line sugar material stirring anti-caking device, including stirring drum, the feeding port is established in the one side of stirring drum top, the discharge port is established in the one side of stirring drum bottom.The utility model is by setting integrated anti-caking assembly and stirring assembly, and utilize the unique transmission design to make it form reverse rotation, realize the efficient collaborative anti-caking and mixing function, specifically, driving motor is engaged first bevel gear and second bevel gear by driving bevel gear simultaneously, drive wall scraping plate frame and central stirring rod are made opposite direction rotation, wall scraping plate responsible for scraping the material adhered to cylinder wall is fixed on right-angle frame, and its inboard shear fence and high-speed reverse stirring rod on sawtooth dispersion disc cooperate with each other, form extremely high relative speed and shear force between the two, can tear, break any sugar material caking instantly.

The utility model relates to an efficient titanium dioxide crude product classification treatment device which is characterized in that a discharge port of a bucket elevator is connected with an inlet electric three-way valve through a discharge pipe, a first discharge pipe connected with the inlet electric three-way valve is connected into a crude product bin, and a second discharge pipe is connected into a temporary storage bin; a discharging pipe at the bottom of the temporary storage bin is connected with an outlet electric three-way valve, a first material distributing pipe connected with the outlet electric three-way valve is connected into a first magnetic separator, an outlet of the first magnetic separator is connected into a spiral conveyor through a qualified material pipe, and a discharging pipe of the spiral conveyor is connected with an inlet of a bucket elevator; a second material distributing pipe connected with the outlet electric three-way valve is connected into a second magnetic separator, and an outlet of the second magnetic separator is connected with a discharging and packaging system through an unqualified material pipe. The device can quickly isolate abnormal materials from a main production line to enter the temporary storage bin, avoids mixed loading pollution with normal materials, and ensures stable quality of main products.

This utility model relates to the field of cable processing technology, specifically a twisting machine with adjustable clamp position, including a base, a twisting machine body, a fixed bracket, a motor, and a screw. The twisting machine body and the fixed bracket are fixed to the base, and the screw is rotatably mounted on the fixed bracket and coaxially connected to the motor. The screw has movable components, including a sleeve threadedly connected to the screw, annularly distributed mounting blocks, a connecting rod, and a cable reel. The mounting blocks and the fixed bracket / sleeve are hinged at both ends of the connecting rod, with the hinge planes intersecting the axis of the screw. A clamp assembly is located on the connecting rod near the twisting machine body. This utility model uses a motor to drive the screw to move the sleeve, causing the connecting rod to rotate to adjust the angle between the clamp and the twisting interface, thus controlling the twisting tension. This solves the problem of fixed clamp position and reliance on speed adjustment in traditional equipment, which leads to cable breakage, thereby improving production efficiency and product quality.

This utility model discloses a self-locking intermediate tensioning device for installing bridge housing parts, relating to the technical field of workpiece processing auxiliary devices. It includes a worktable, fixed seats, a fixed frame, fixed plates, a tensioning mechanism, and a fixing mechanism. Two symmetrically distributed fixed seats are fixedly connected to the upper surface of the worktable, and a fixed frame is fixedly connected between the two fixed seats. Two symmetrically distributed fixed plates are fixedly connected to the inner end face of the fixed frame. The fixed plates are fixedly connected to the upper surface of the worktable, and a tensioning mechanism is provided between the two fixed plates. The tensioning mechanism includes a hydraulic cylinder, a wedge-shaped tensioning plate, a moving block, and a central tensioning plate. This utility model features a tensioning mechanism where the hydraulic cylinder drives the wedge-shaped tensioning plate. Through the guidance of the T-shaped groove and the T-shaped plate, the vertical movement is converted into the horizontal expansion of the moving block and the central tensioning plate, thereby applying an adjustable tensioning force to the inner hole of the workpiece. This effectively ensures the dimensional stability and accuracy of the workpiece during subsequent processing such as press-fitting.

This invention provides a driving device and a thinning machine. The driving device includes a support member, a main shaft, and a motor. The main shaft is rotatably mounted on the support member. One end of the motor near the motor shaft is mounted on the support member, and a transmission mechanism is provided between the motor shaft and the main shaft. A first cooling channel is provided inside the support member surrounding the main shaft; and / or, a second cooling channel is provided inside the support member surrounding the motor shaft. The driving device of this invention has a first cooling channel and / or a second cooling channel. Coolant enters through the coolant inlet of the driving device and flows out through the coolant outlet, thereby achieving rapid cooling of the driving device and effectively eliminating the heat generated during the grinding process. In addition, the cooling channel of the driving device adopts a closed-loop design to avoid direct contact between the coolant and the workpiece, reducing the risk of workpiece contamination. Thus, the driving device not only improves product quality but also ensures production stability and efficiency.

An adjustable thin-layer silicone cloth production device includes a coating device, a transfer device, and a flattening device. The coating device is divided into two or more coating and drying zones. A hot air box is installed on the top of the coating device, and a fiberglass cloth unwinding device is installed near the feed inlet. Each coating and drying zone is equipped with at least one double-sided coating device and at least one hot air conveying pipeline. The transfer device includes at least one transfer roller assembly installed inside a transfer box. The flattening device is divided into two or more flattening zones by horizontal partitions. A silicone cloth winding device is installed near the discharge outlet. Each flattening zone is equipped with a flattening mechanism, which can be a heated flattening mechanism, a room-temperature flattening mechanism, or a cooled flattening mechanism. This invention has a reasonable design, is easy to operate, and has the advantages of stable operation, high production efficiency, and good product quality.

The application discloses an anti-oxidation fermented Chinese herbal medicine mixed substitute tea and a preparation method thereof, and relates to the technical field of substitute tea processing and preparation. The anti-oxidation fermented Chinese herbal medicine mixed substitute tea comprises Sanghuang, Huangqi, Huangjing, Renshen and Gouqi, and the weight ratio of the raw materials is as follows: Sanghuang:Huangqi:Huangjing:Renshen:Gouqi = 4:2:2:1:1. The preparation method comprises the following steps: crushing, fermentation, drying, sterilization, sub-packaging, vacuum sealing, outer packaging, sampling quality inspection and storage in a warehouse. The anti-oxidation fermented Chinese herbal medicine mixed substitute tea is prepared by using a specific formula and biological fermentation of Inonotus hispidus, and the dissolution rate of anti-oxidation active ingredients of Chinese herbal medicines is significantly improved, and the anti-oxidation capacity is far superior to that of conventional physical mixed substitute tea. The fermentation process can efficiently degrade the cell walls of Chinese herbal medicines, so that the polysaccharides and other core anti-oxidation substances in Sanghuang, Huangqi, Huangjing, Renshen and Gouqi are fully released, DPPH, hydroxyl and other free radicals can be directly removed, and the Keap1-Nrf2-ARE signal path in the body can be activated, so that the anti-oxidation defense system of the body is doubly strengthened, and the anti-oxidation effect is improved from the root.

The application discloses a catalyst for preparing malononitrile, a preparation method of the catalyst and a method for preparing malononitrile by using the catalyst. The catalyst is a solid catalyst, which is an acidic catalyst loaded with rare earth metal oxide. The method for preparing malononitrile is that cyanoacetic acid or cyanoacetate or cyanoacetamide and an ammonia source are subjected to ammoniation dehydration reaction in a continuous reactor to prepare malononitrile according to a certain molar ratio. Then, vacuum distillation (20 torr-25 torr) is carried out, and a fraction collected at 110 DEG C-120 DEG C is malononitrile product. The ammonia source can be ammonia gas, ammonia water, ammonium carbonate or urea. The method for preparing malononitrile can reduce production cost, improve production safety, reduce the discharge amount of three wastes in the preparation of malononitrile by using an existing process, and improve product quality, and is a sustainable and green synthesis route.

This utility model relates to an anti-clogging reactor for the resource recovery and preparation of ammonium sulfate from high-concentration ammonia-containing waste gas. The reactor body includes an absorption zone and a crystallization zone from top to bottom, with the crystallization zone and the absorption zone connected. The absorption zone is located above the liquid surface, and the crystallization zone is located below the liquid surface. The top of the absorption zone has a tail gas outlet, and the bottom of the crystallization zone has a crystal slurry outlet. An external Venturi reaction zone is located below the absorption zone of the reactor body, connected to the reactor body. The Venturi reaction zone has an inlet for the ammonia-containing waste gas and an inlet for the circulating absorbent liquid. The external Venturi reaction zone forms a primary absorption, reducing the intensity of the absorption reaction within the reactor and significantly improving the anti-clogging capability.

The utility model discloses a kind of vacuum cooling water recycling equipment, belong to cooling water circulation technical field, comprising: first support, second support, vacuum pump, primary filter, sedimentation tank, backwater tank, backwater filter device, the first support top is installation platform;The second support is set in first support side, top is filter platform;The vacuum pump is set on installation platform, inlet pipe, backwater pipe are set on the vacuum pump;The primary filter is set on filter platform, with vacuum pump, push out production host computer connection, below setting liquid outlet;The sedimentation tank is set in second support bottom;The backwater tank is set in first support, second support outside, between by water pipe connection, backwater pipe is connected in the middle of the water pipe;The backwater filter device is set in backwater tank outside.The utility model cooling water recycling, save resources, reduce cost, vacuum pump takes away impurity in push out host computer, improves production stability.

The application provides a clamping jaw device for needle cylinder transfer, belonging to the technical field of hosiery machines, comprising a transfer seat, a clamping jaw frame is connected to the upper part of the transfer seat through a rotating rod frame, a rotating shaft is arranged in the transfer seat, a buffer seat is arranged in the middle of the rotating shaft, and the buffer seat is connected with the inner wall of the transfer seat through a buffer spring. The multiple sets of buffer seats and buffer springs in the transfer seat reduce the shaking of the device during use, the rolling balls between the rotating shaft and the inner wall of the transfer seat reduce the rotating friction, the stability of the whole device is ensured, and the production quality of the product is improved; the three sets of cross-shaped frame sliding grooves at the bottom of the transfer seat are matched with the plug-in cross-shaped fixing frames, the movement of the device is convenient, the three sets of fixing frames form a triangular stable structure, and the safety of the device is ensured.

The application belongs to the technical field of inorganic chemical industry, and discloses a preparation method of high-purity hafnium tetrachloride, which comprises the following steps: vacuum degassing pretreatment of mixed hafnium dioxide and high-purity carbon source; continuously feeding the pretreated material into a horizontal rotary chlorination reactor, and reacting with chlorine at 950 DEG C to 1050 DEG C to generate a crude product mixture; filtering the crude product mixture through a high-temperature ceramic filter, removing iron and aluminum impurities through a chemical interception reaction column, and separating zirconium and hafnium through a multi-stage gradient sublimation rectification system, wherein the sublimation rectification system is integrated with a dynamic mass transfer separation control system, and the operation conditions are dynamically adjusted through a mass transfer-heat coupling model based on real-time collected process parameters; and finally collecting and packaging under a fully-closed condition. The obtained hafnium tetrachloride is a high-purity rare metal compound, and can realize deep removal of zirconium impurities and process self-adaptive optimization.