62results about How to "Achieve serialization" patented technology

The invention belongs to the technical field of carbon sequestration, and particularly relates to a fluidization reaction device and method for efficiently mineralizing carbon dioxide by solid waste, and the method comprises the following steps: pretreating the solid waste to obtain solid waste powder; the method comprises the following steps: atomizing an alkaline solvent into water mist, inputting CO2 gas and the water mist into a fluidized bed reactor by utilizing a fan, and adding solid waste powder into the fluidized bed reactor; the mass ratio of the water mist and the solid waste powder entering the fluidized bed reactor and the gas flow speed of the CO2 gas and the water mist are adjusted, gas-liquid-solid three-phase fluidization is conducted on the solid waste powder in the fluidized bed reactor under driving of the gas phase of the CO2 gas, and mineralization reaction is conducted; after full reaction, discharging solid waste powder by using a rotary discharging device, and drying the solid waste powder to constant weight by using a constant-temperature drying box to obtain an auxiliary cementing material; according to the method, the contact efficiency and the mass transfer rate of the solid waste and CO2 can be improved, the solid waste can quickly react with CO2 gas in the fluidized bed reactor, the reaction time is remarkably shortened, and the low cost and the high efficiency of the CO2 mineralization reaction of the solid waste powder are realized.

A device and method for continuous fluorination of perfluoropolyether end groups, belonging to the technical field of fluorine chemical industry. In the device, an ultraviolet mercury lamp (9) is placed in a cold trap (8), the cold trap (8) is placed in a liquid storage tank (6), the volute mixer (3) is connected to a tubular reactor (7), the tubular reactor (7) is spirally wound around the cold trap (8), and the liquid storage tank (6) is filled with pure water. The method steps are as follows: pure water is introduced into the liquid storage tank (6), and the ultraviolet mercury lamp (9) is turned on; a mixed gas of perfluoropolyether with unsaturated groups and fluorine gas is introduced into the volute mixer (3); under the ultraviolet irradiation condition of the ultraviolet mercury lamp (9), the material fully mixed by the volute mixer (3) enters the tubular reactor (7) for fluorination end-capping reaction. The present invention improves the yield and production efficiency of saturated perfluoropolyether, reduces energy consumption, has a simple process, and is suitable for industrial large-scale production.

The invention relates to a deformation measuring device and method capable of deforming along with the rear edge of a variable-camber wing, and belongs to the field of wing deformation measurement. The key component of the deformation measuring device is a deformation beam provided with a fiber grating sensor, the deformation beam is connected with the wing through a sliding support, a positioning pin and other structures, according to the deformation characteristics of the rear edge of the variable camber wing, a sliding connection mode is adopted in a large deformation area, and a fixed connection mode is adopted in the rest area. The deformation beam can deform along with a wing after being connected with the wing structure, and the length change of a sliding connection area can be measured through a stay wire displacement sensor. The problems that in an existing wing deformation measurement technology, large deformation generated by a flexible structure is difficult to directly measure, large deformation measurement and small deformation measurement are difficult to consider, errors exist in the sensor manufacturing and installing process and the like can be solved, and efficient and accurate wing trailing edge profile measurement is achieved.

The invention discloses a negative pressure atomization and supergravity enhanced liquid-solid reaction magnesium metallurgy device and method.The device comprises a furnace body, a liquid-solid mixing reaction material tank, a first-stage material gathering taper pipe and a second-stage material gathering taper pipe are fixedly arranged in the furnace body from top to bottom, and a solid raw material distributing plate is fixedly arranged in the liquid-solid mixing reaction material tank; powder feeding threads are formed in the solid raw material feeding pipe, the solid raw material feeding pipe is rotationally connected with the furnace body and connected with a transmission assembly, the solid raw material feeding pipe is rotationally connected with a neck of a hopper, and the neck of the hopper is connected with a solid raw material feeding vacuum valve; a liquid reducing agent sprayer fixedly connected with a liquid reducing agent feeding pipe is arranged in the liquid-solid mixing reaction material tank, and the liquid reducing agent feeding pipe is rotationally connected with the liquid-solid mixing reaction material tank and is connected with a liquid reducing agent feeding vacuum valve; the solid raw material feeding pipe and the liquid reducing agent feeding pipe are both provided with heating rings, the furnace body is connected with the magnesium steam collecting system connected with the vacuumizing system, the slag outlet capable of being sealed is formed in the bottom of the furnace body, energy consumption of magnesium metallurgy is reduced, and the reaction efficiency is improved.

This invention discloses a device and method for sewing curved sheets with varying diameters on a flat knitting machine, belonging to the field of textile machinery technology. The device includes a curling mechanism and a sewing mechanism; the curling mechanism includes a variable-diameter cylindrical device and a matching holding mechanism. The variable-diameter cylindrical device includes an inner cylinder and an outer cylinder, which expand or contract synchronously via corresponding telescopic connecting rods and a central spindle. The holding mechanism is controlled by an electromagnet, achieving precise holding of the curved sheet by switching the magnetic pole direction. Through the curling and sewing mechanisms, this device expands the fan-shaped curved sheet from a two-dimensional to a three-dimensional structure during rotation, while simultaneously achieving automatic edge sewing of the curved sheet. The inner cylinder can move axially relative to the outer cylinder, allowing the sewn curved sheet to automatically detach from the outer cylinder. This invention simultaneously achieves gripping, curling, expansion, alignment, and demolding, and is suitable for sewing curved sheets with varying diameters on both sides.

The invention discloses a crude barium sulfide leaching device. The crude barium sulfide leaching device comprises a feeding system, an auger leaching system, a clarifying and washing system and a deslagging system, the feeding system, the auger leaching system, the clarifying and washing system and the deslagging system are sequentially connected, the feeding system is used for conveying coarse barium to the auger leaching system, the coarse barium in the auger leaching system is mixed with production return water injected into the auger leaching system, first leaching is completed, and a coarse barium sulfide solution is obtained; the crude barium sulfide solution enters the clarifying and washing system, the crude barium sulfide solution is subjected to continuous multiple clarification and washing in the clarifying and washing system to complete secondary leaching, and finished brine and sludge are obtained; the finished marinating liquid is fed into a finished product tank, and the slag sludge is discharged through the slag discharging system. And the extraction rate of barium sulfide is improved.

This invention discloses a continuous synthesis apparatus and process for nitrobenzene. The synthesis apparatus includes a mixed acid preparation system, a continuous benzene nitration system, an organic phase continuous stratification system, and a continuous water washing-alkali washing-water washing system. The process includes: concentrated sulfuric acid and concentrated nitric acid are pumped into the mixing module of the mixed acid preparation system to obtain a mixed acid solution; benzene and the mixed acid solution are pumped into the microchannel reactor of the continuous benzene nitration system; the nitrated material is cooled and then pumped into the continuous organic phase stratification system; the resulting intermediate organic phase nitrate enters the next processing unit; the organic phase nitrate and water enter the continuous water washing-alkali washing-water washing system for washing to obtain the final product, nitrobenzene. The synthesis apparatus and process of this invention achieve continuous production of nitrobenzene throughout the entire process, realizing continuous and automated operation from raw material benzene to the final product, nitrobenzene.

The invention provides a continuous polypeptide precipitation system. The polypeptide continuous precipitation system comprises: a main heat exchange module, wherein the main heat exchange module is provided with an input end and an output end; the precipitation module comprises at least two mixing-precipitation curing units which are arranged in series, each mixing-precipitation curing unit comprises a cyclone mixer and a precipitation ager, an inlet of the precipitation ager is communicated with a first outlet pipe of the cyclone mixer, and an outlet pipe of the precipitation ager is communicated with a second outlet pipe of the cyclone mixer; the output end of the main heat exchange module is communicated with a first inlet pipe of a rotational flow mixer of the head end mixing-precipitation curing unit, first inlet pipes of other rotational flow mixers are communicated with an outlet of an upstream precipitation curing device, and second inlet pipes are used for inputting a precipitation solvent into the rotational flow mixers; and the filtering module comprises a suction filter and a waste liquid bottle and is selectively communicated with the outlet of the precipitation ager. According to the continuous polypeptide precipitation system, full continuous operation of the system can be realized, continuous polypeptide precipitation is realized, the efficiency is higher, and the operation is simpler and more convenient.

This utility model discloses an automatic sorting device for calcium oxide powder, relating to the field of automatic sorting technology. Specifically, it is an automatic sorting device for calcium oxide powder, comprising a conveyor belt and multiple pneumatic pushers disposed on the right side of the conveyor belt. Multiple partition plates are uniformly fixedly connected to the outer circumference of the conveyor belt. These partition plates separate the calcium oxide powder into multiple independent material units. The pushers can be combined to form a complete "long strip," allowing the material between two partition plates to be completely pushed away from the conveyor belt during left and right movement. The pneumatic pushers, push plates, second synchronous magnetic blocks, and third synchronous magnetic blocks enable the pushers to move synchronously using magnetic force to complete the sorting. The first limiting strip, second limiting strip, and baffle plate limit and guide the pushers, ensuring stable sliding along the axial direction without detachment.

The application discloses a large field of view structure image classification method based on continuous deformation modeling, mainly solves the problem that the existing dynamic deformation modeling is insufficient in integrity, resulting in poor classification effect. Including: 1) constructing progressive structure similar samples, realizing self-learning adaptation of non-rigid structure intra-class change; 2) constructing a multi-branch attention representation learning network composed of three parallel branches of double-flow spatial attention, adaptive fusion channel attention and original features; 3) configuring a multi-branch selection fusion module based on the learning network, and constructing a continuous deformation feature extraction network; 4) inputting the continuous deformation fusion features output by the extraction network into a classifier to realize self-learning classification of aurora large field of view structure images. The application can automatically learn the structure change rule under the condition of limited labeling or unlabeled, significantly improve the discrimination ability and generalization performance of complex deformation structure, and is suitable for aurora, cloud cluster and other non-rigid deformation image analysis.

The invention belongs to the crossing field of fine chemical engineering, crystal engineering and continuous production technologies, and particularly relates to a process and a device for continuously preparing 1, 3-cyclohexanedione crystals. The method comprises the following steps: respectively introducing a pre-cooled 1, 3-cyclohexanedione monosodium salt aqueous solution and an acidifying agent into a static mixer through a metering pump for mixing, introducing the materials into an aging tank for aging, and carrying out solid-liquid separation on the aged materials to obtain 1, 3-cyclohexanedione crystals. The invention provides a process and a device for continuously preparing a 1, 3-cyclohexanedione crystal, the process and the device are a brand-new continuous acidification crystallization process and system based on a static mixer, and aims to fundamentally eliminate local supersaturation, realize accurate control of the crystal form and morphology of 1, 3-cyclohexanedione and produce a high-quality flaky crystal form product. And the continuity, the stabilization and the high efficiency of the production process are realized.

The application discloses a kind of multi-gas source multi-user injection-production gas switching metering devices and processes for gas storage, and relates to the technical field of gas storage injection-production gas equipment, specifically to a kind of multi-gas source multi-user injection-production gas switching metering devices for gas storage, including gas field gas pipeline, low-pressure pipeline, injection-production gas pipeline, high-pressure pipeline, first gas recovery processing pipeline, second gas recovery processing pipeline;One end of the gas field gas pipeline is used to communicate with gas field, and the other end of the gas field gas pipeline communicates with the second gas recovery processing pipeline;The application provides a kind of multi-gas source multi-user injection-production gas switching metering devices and processes for gas storage, which is applied in gas storage, can realize the free switching measurement and interconnection of multiple gas sources and users in different injection-production cycles of gas storage, and realizes the standardization, serialization, integration, modularization and skid-mounted of the device, which can effectively reduce the construction period and construction cost.

The invention belongs to the field of thermoplastic elastomer material polymerization and catalytic hydrogenation, and particularly relates to an SEBS binder, a preparation method, application and a device thereof. The preparation method comprises the following steps: carrying out a first-stage polymerization reaction on a styrene solution, a regulator and an initiator, carrying out a second-stage polymerization reaction on the styrene solution and butadiene in a micro-channel reaction unit, carrying out a third-stage polymerization reaction on the styrene solution and styrene in a static mixer 1, and terminating the reaction through an end-capping reagent to obtain an end-capped SBS solution; and mixing the terminated SBS solution with a homogeneous catalyst through a static mixer 2, and introducing the mixture into the autoclave reaction unit for hydrogenation reaction to obtain SEBS (Styrene-Ethylene-Butylene-Styrene). Compared with a traditional intermittent kettle type polymerization and hydrogenation technology, the technology for preparing SBS through continuous polymerization is good in mass and heat transfer and high in efficiency, and the obtained product is excellent in quality. The method has a wide market application and development prospect in industrial continuous preparation of green and high-end SEBS (Styrene-Ethylene-Butylene-Styrene).

The utility model discloses an efficient mixing and stirring device and relates to the technical field of material mixing. The device comprises a mounting seat, wherein a bracket is fixedly arranged above one side of the mounting seat; the multi-stage stirring assembly is used for stirring materials, the multi-stage stirring assembly comprises three mixing barrels arranged right above the base in a stepped mode, a guide pipe is communicated between every two adjacent mixing barrels, a discharge pipe is arranged on one side of the bottom of the lowest mixing barrel, and a discharge pipe is arranged on one side of the bottom of the lowest mixing barrel. Supporting plates are connected between the two sides of the mounting base and the side wall of the mixing barrel, and a rotating rod is rotationally connected to the middle of the mixing barrel. According to the multi-stage mixing device, the three mixing barrels which are arranged in a stepped mode are adopted as the multi-stage stirring assembly, the limitation of traditional single-tank stirring is broken through, the materials are graded and stirred for multiple times through series combination of the multiple mixing barrels, and the uniformity and efficiency of material mixing are greatly improved.

The application discloses a prostate cancer patient pelvic floor muscle recovery evaluation system based on artificial intelligence, which comprises an original data collection module, an original data optimization module, a time sequence double-end recovery evaluation model establishment module, a recovery evaluation model performance optimization module and a whole-cycle intelligent recovery evaluation module. The application relates to the technical field of medical data processing, in particular to a prostate cancer patient pelvic floor muscle recovery evaluation system based on artificial intelligence. The scheme innovatively proposes a time sequence double-end recovery evaluation model combining an in-hospital baseline end and a home continuous time sequence end, improves the real-time performance of patient pelvic floor muscle recovery evaluation, extracts short-term time sequence recovery features by using a bidirectional long short-term memory network, extracts long-term time sequence recovery features by combining an improved convolution residual network with a parallel activation function, significantly improves the accuracy of the recovery evaluation results, and introduces an improved optimization algorithm combined with a dynamic local search strategy, thereby significantly improving the stability and accuracy of the output results of the model.

The invention discloses a recycling method of impurity-removed wastewater in a rare earth smelting separation process, which comprises the following steps: neutralizing the wastewater generated in the rare earth smelting separation process by using calcium oxide, controlling the pH value to be greater than or equal to 7, removing non-rare earth ions in the wastewater, and filtering to obtain calcium-containing filtrate; and extracting the filtrate by using an extracting agent to remove calcium, and recycling the filtrate without calcium to a leaching process in a rare earth smelting separation process. According to the method, iron, zinc and calcium ions influencing rare earth smelting separation in the washing water can be removed, saponification is avoided during calcium ion removal, and the treated wastewater is directly reused in the leaching process of the sulfuric acid rare earth roasted ore.

The utility model discloses a DC-DC power supply module and power supply equipment, and belongs to the technical field of power supplies. Comprising at least one functional circuit, the functional circuit is connected with an installation interface, and the functional circuit comprises a power supply input interface, an input overcurrent protector, an anti-reverse connection circuit, an input indication circuit, an anti-surge circuit, a pi-type input filter circuit, a power supply module, a pi-type output filter circuit, an output overcurrent protector, an output indication circuit and a power supply output interface. Voltage values of various values can be output, and generalization, serialization and combination are achieved; the over-current protector can sensitively and quickly realize a fuse protection function; the anti-reverse connection circuit can prevent the DC-DC power supply module from being damaged due to input positive and negative reverse connection caused by wiring errors; the anti-surge circuit can prevent the circuit from being damaged by abnormal fluctuation of input voltage or high-voltage pulse at the moment of access, and eliminates the impact of spike pulse.

The invention relates to the technical field of wastewater treatment, in particular to an electrocatalytic organic wastewater treatment device which comprises a tank body, an outer barrel and an inner barrel, the outer barrel and the inner barrel are arranged in the tank body, the inner barrel is arranged in the outer barrel, a first reaction area is arranged in the inner barrel, a second reaction area is formed between the inner barrel and the outer barrel, and a third reaction area is formed between the outer barrel and the tank body. A communicating hole is formed in the inner barrel and is communicated with the first reaction area and the second reaction area, and an overflow hole is formed in the outer barrel; a feeding assembly is arranged in the first reaction area, polytetrafluoroethylene balls are arranged in the second reaction area, and a waste treatment assembly is arranged in the third reaction area. Meanwhile, non-free-radical active species such as singlet oxygen generated by air on the surfaces of an electric field, ultrasonic waves and a polytetrafluoroethylene material are combined to form a double-effect oxidation system under the combined action of free radicals and non-free radicals, so that the degradation efficiency of organic pollutants is remarkably improved, and the application range of the organic pollutants is remarkably widened.

The utility model discloses a powder surface modification device. The powder surface modification device comprises a reaction kettle, a settling box and a drying box which are connected in sequence, a feeding pipeline is arranged at a position, close to the side wall, of the bottom of the reaction kettle; a first spraying pipe and a second spraying pipe are arranged at the top of the reaction kettle; a stirring motor is arranged in the middle of the top of the reaction kettle, and a first discharging pipeline is arranged in the middle of the bottom of the reaction kettle; the end part of a rotating shaft of the stirring motor is fixedly connected with a dispersing paddle; the second discharging pipeline is arranged above the side wall of the reaction kettle; the second discharging pipeline is connected to the upper part of the settling box; the settling box and the drying box are arranged above the conveying belt, and the drying box is arranged at the position, relative to the rear portion of the conveying belt, of the settling box. According to the continuous powder surface modification device, the continuous powder surface modification process is realized, the problem of low efficiency caused by traditional intermittent production is solved, the production efficiency is improved, and the cost expenditure is reduced.

This invention relates to the field of overhead transmission line construction technology, specifically providing a method and apparatus for determining the construction period of overhead transmission lines applicable to different boundary conditions. The method includes: determining fuzzy quantification values ​​for the early-stage and construction-stage construction periods of the overhead transmission line construction project based on the boundary conditions affecting its construction period; and determining the construction period of the overhead transmission line construction project based on these fuzzy quantification values. The technical solution provided by this invention achieves continuous and fuzzy processing of boundary conditions, significantly improving the accuracy and adaptability of construction period prediction, and is particularly suitable for complex and variable application scenarios.

The invention belongs to the technical field of fine chemical engineering, and particularly relates to a method and device for producing nicotinamide through continuous cyanopyridine enzyme hydrolysis. 3-cyanopyridine and a buffer solution are mixed as a raw material solution in a hydrolysis reactor, and 3-cyanopyridine is hydrolyzed under the catalytic action of hydrolase to produce nicotinamide; wherein a hydrolase supplementing system, a hydrolase transferring system and an inactivated enzyme filtering system are arranged in the hydrolysis reactor. A filter screen is arranged in an inner cavity of the hydrolysis reactor and divides the hydrolysis reaction area into an upper section and a lower section, the upper section of the hydrolysis reaction area is provided with a hydrolase supplementing system and a hydrolase transferring system, and the lower section of the hydrolysis reaction area is provided with an inactivated enzyme filtering system; fresh hydrolase enters the upper section of the hydrolysis reaction area through the hydrolase supplementing system, the hydrolase transferring system directly transfers the hydrolase with reduced activity in the upper section of the hydrolysis reaction area to the lower section of the hydrolysis reaction area, and the inactivated enzyme filtering system filters the inactivated hydrolase in the lower section of the hydrolysis reaction area and then discards the inactivated hydrolase. Therefore, the replacement of the hydrolase and the graded utilization of different enzyme activities are completed. The method provided by the invention realizes continuous production of nicotinamide through enzymatic hydrolysis of 3-cyanopyridine by a biological method, the production operation condition is stable and easy to control, the reaction period is shortened, and the problems of intermittent production, complex and difficult control of process operation conditions and reduction of enzyme activity of hydrolase caused by continuous increase of product concentration in a traditional biological method are avoided. And the quality of products is uneven.

The application discloses a kind of unmanned vehicle express cabinet goods delivery control method and system of intelligent scheduling, comprising the following steps: step one: constructing goods delivery scheduling dataset;Step two: generating delivery state prediction sequence based on improved Chronos model;Step three: calling Aquila optimization algorithm to generate target goods delivery task sequence;Step four: control corresponding sorting motor and auxiliary conveying motor start;Step five: stop sorting motor and auxiliary conveying motor and start main conveying belt motor;Step six: control X-axis motor and Y-axis motor to move to target storage compartment corresponding position;Step seven: control unloading motor to push current goods into target storage compartment;Step eight: continue to generate next target goods delivery task sequence until all goods are completed delivery.The present application uses improved Chronos model and Aquila optimization algorithm to realize unmanned vehicle express cabinet delivery intelligent scheduling.

The invention discloses a method for preparing organic silicon microspheres from methyltrimethoxysilane high-boiling residues, efficient utilization and continuous production are realized through innovative pretreatment, hydrolysis and polymerization processes, and an efficient, economical and environment-friendly solution is provided for comprehensive utilization of the methyltrimethoxysilane high-boiling residues. The method mainly comprises the following steps: (1) pretreating a high-boiling-point substance, blending the byproduct high-boiling-point substance in the production process of methyltrimethoxysilane with methanol and methyltrimethoxysilane to form a material A, blowing instrument gas, adding a treating agent, reacting under specific temperature and pressure conditions, and removing redundant impurities through a multi-stage filter; (2) mixing the purified material with deionized water according to a certain proportion, completing a hydrolysis reaction under the catalysis of sulfuric acid with the mass fraction of 98%, then preliminarily mixing with prefabricated alkali liquor in a mixer, and feeding into a polymerization kettle to complete a polymerization reaction to obtain a polymerization solution; and (3) filtering, drying and crushing the polymerization liquid to obtain pure white organic silicon microspheres.

The application discloses a kind of thick clothing folding holding type automatic bagging equipment and bagging method, the equipment includes rack, conveying mechanism, width folding mechanism, bag opening and bagging mechanism, forming die, bag pressing and holding mechanism, length folding and bagging mechanism and control system.Width folding mechanism includes folding plate assembly, and folding plate assembly is kept in pressure or covering state after completing width direction folding.Open bagging mechanism opens packaging bag, and packaging bag is sleeved outside forming die by bag supporting jaw;Bag pressing and holding mechanism presses packaging bag on forming die, and length folding and bagging mechanism again folds the clothing into packaging bag.The equipment can reduce the risk of thick clothing folding deviation, folding and bagging, and improve the stability and operation efficiency of thick clothing continuous folding and bagging.

The utility model relates to food processing technical field, concretely discloses a kind of chicken feet bone removal device, including bone removal box, rotary motor is equipped in bone removal box, rotary motor's output shaft is fixedly equipped with carousel, the circumferential of carousel is uniformly arranged with multiple fixtures, positioning slot is opened in fixture, bone removal box is sequentially arranged with chicken feet opening mechanism, chicken feet bone removal mechanism and bone removal chicken feet clamping mechanism along the circumferential of carousel;Wherein, chicken feet opening mechanism includes three groups of main toe opening components and a group of big toe opening components, chicken feet bone removal mechanism includes big toe stripping component, three main toe stripping components and leg bone stripping component, along the circumferential of carousel is uniformly and continuously arranged, and is correspondingly equipped with pressing mechanism above fixture;Bone removal chicken feet clamping mechanism is correspondingly arranged above fixture.The utility model improves production efficiency, realizes the continuous, assembly line type automatic processing of chicken feet bone removal, reduces equipment injury risk.

This invention provides a diode module testing device, including a conveying mechanism for conveying diodes and a testing mechanism for testing the diodes on the conveying mechanism. This invention relates to the field of diode testing technology. By combining the conveying mechanism and the testing mechanism, this invention effectively solves the problems of low efficiency and poor consistency in manual testing in the prior art, realizing continuous and automated testing of diode modules. The adjustment unit within the testing mechanism, through a bidirectional lead screw structure, can precisely adjust the position of its internal measuring pins, thereby flexibly adapting to diodes with different pin lengths and ensuring the universality and reliability of the testing. The connection between the rotation and adjustment unit enables the adjustment unit to perform a second reverse test on the same diode after the first positive and negative electrode measurement is completed, through a precise 180-degree rotation, ensuring that each diode undergoes rigorous double verification.

The invention relates to a separation and purification device and a separation and purification method. The separation and purification device comprises a sample loading pump, a solvent pump, a chromatographic separation mechanism, a first multi-way valve, a second multi-way valve, a third multi-way valve, a storage mechanism and a fourth multi-way valve. The sample loading pump and the solvent pump are respectively communicated with the first multi-way valve; the first multi-way valve, the chromatographic separation mechanism, the second multi-way valve, the third multi-way valve, the storage mechanism and the fourth multi-way valve are communicated in sequence, and the fourth multi-way valve is communicated with the first multi-way valve to form a circulating liquid path. And the second multi-way valve is provided with a purified sample discharge port for discharging liquid out of the circulating liquid path and an impurity discharge port. According to the separation and purification device and the separation and purification method, the chromatographic separation mechanism can circularly perform separation and purification through the circulating liquid path with a specific structure, the number of the chromatographic separation mechanism can be reduced, the structure is simple, the equipment is compact, and the operation is easy.

This utility model discloses a multi-layer turning chain plate device for layered roasting of seeds. The multi-layer turning chain plate device includes multiple turning plate drive chain mechanisms and a power transmission chain. The multiple turning plate drive chain mechanisms are arranged in parallel and staggered positions from top to bottom, and adjacent turning plate drive chain mechanisms are connected by a power transmission chain. Each turning plate drive chain mechanism includes a set of chain drive components, a material turning plate, and a fixed support plate. A material turning plate is installed along the chain in each chain drive component. The upper and lower chains of each chain drive component are equipped with fixed support plates parallel to the chain. When the material turning plate moves with the chain of the chain drive component, it passes over the upper surface of the fixed support plate. This utility model uses a novel turning plate conveyor chain, which greatly shortens the length of the conveyor chain and the size of the equipment, significantly reducing the factory floor space required. It can accommodate materials with different characteristics and has a wide range of applications.

The utility model discloses a hardware plastic piece batch assembly equipment belongs to automatic assembly equipment technical field, including base and fixed mounting support plate on the base upper end, the left and right sides of support plate upper end each is equipped with a set of standardization continuous feeding mechanism respectively for supplying pipe body and joint, and standardization continuous feeding mechanism includes linear feeder, spacing side board and feeding assembly, the upper end of support plate still is equipped with the assembly mechanism for the assembly operation of the assembly of pipe body to the inside of joint, and the assembly of plastic sleeve is realized, and the blanking groove is opened to the support plate, and the discharge inclined plate is fixedly connected with the base and is located the blanking groove downside. Through above -mentioned mode, in the utility model, through two sets of standardization continuous feeding mechanism cooperation realizes the continuous, standardization feeding operation of pipe body and joint, and then through the assembly mechanism can complete the assembly operation of pipe body and joint simultaneously, and production efficiency is effectively improved.

The invention relates to the technical field of metal surface treatment, in particular to steel plate surface antirust coating spraying equipment which comprises a steering conveying part A, a linear conveying part B, a high-temperature conveying part C, a spraying area part P, a curing area part D and an overturning area part E. The high-temperature conveying part C comprises a C1 arranged on the right side of A3 and a C2 arranged on the left side of A4. The curing area D part comprises a D1 arranged above the high-temperature conveying part C C1 and a D2 arranged above the high-temperature conveying part C C2; the overturning area E part comprises an E1 arranged in the middle of the B5 and an E2 arranged in the middle of the B6; according to the scheme, the matrix type conveying network with the steering conveying unit as the core is constructed, the double curing channels and the intelligent spraying system are integrated, the equipment carries the intelligent fan-shaped spraying unit based on the air-assisted atomization and mechanical adjustment principle, continuous operation of a core spraying station is achieved, the productivity bottleneck of the curing link is broken through, and meanwhile, the production efficiency is improved. The spraying sector width and the coating flow are accurately adjusted in real time according to the steel plate width, and it is ensured that the coating thickness is uniform.