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44results about How to "Production needs to be good" patented technology

Spherical mesoporous carbon nitride photocatalyst with multistage nano structure

The invention discloses a spherical mesoporous carbon nitride photocatalyst with a multistage nano structure and a preparation method and application thereof and belongs to the technical field of material preparation and photocatalysis. The spherical mesoporous carbon nitride photocatalyst with the multistage nano structure is prepared by using cyanamide as a precursor, using spherical mesoporous silicon dioxide with a highly open structure as a hard template, carrying out thermal thermal polymerization and removing the hard template. The spherical mesoporous carbon nitride prepared by the preparation method has the characteristic that nanosheet or nanosheet-like small particles are uniformly diffused around from the sphere center to form a spherical micro nano structure of which the surface structure is highly open; compared with conventional bulk phase carbon nitride, the spherical mesoporous carbon nitride photocatalyst can obviously improve the specific surface area and the mass transfer effect and has efficient photocatalytic hydrogen production performance in the visible light. The spherical mesoporous carbon nitride photocatalyst adopts a simple synthetic process, has high catalysis efficiency and has wide application prospect in the field of catalysis/photocatalysis.
Owner:FUZHOU UNIVERSITY

3D assembling tool clamp for escalator

The invention discloses a 3D assembling tool clamp for an escalator. The 3D assembling tool clamp for the escalator comprises a working platform, a reference cross beam and a cross beam which can transversely move, wherein the reference cross beam is fixed without moving; the cross beam which can transversely move is supported on the working platform through a screw transmission guide rail, wherein the screw transmission guide rail is in transmission connection with a motor and can drive the cross beam which can transversely move to transversely move. The 3D assembling tool clamp for the escalator further comprises supporting clamping vertical columns which are arranged at corresponding positions on the reference cross beam and the cross beam which can transversely move and used for supporting and positioning a guide rail curved line, a first supporting positioning clamping vertical column, a second supporting positioning clamping vertical column adapted to a two-horizontal-step guide rail curved line, and a third supporting positioning clamping vertical column adapted to a three-horizontal-step guide rail curved line. The 3D assembling tool clamp for the escalator has the advantages that the structure is simple; the motor can conveniently and quickly adjust in the transverse direction; the 3D assembling of the upper and lower curved lines of the guide rail under different horizontal level can be met without adjusting.
Owner:GUANGZHOU GUANGRI ELEVATOR IND

Complex coagulant for advanced treatment of biochemical tail water, and its preparation method and application

The invention discloses a complex coagulant for advanced treatment of biochemical tail water, and its preparation method and application. The complex coagulant is characterized in that the complex coagulant is an inorganic polymer complex coagulant prepared form industrial waste or nonmetallic mineral materials as main materials under heating conditions through the processes of alkaline hydrolysis, acid leaching oxidation, hydrolyzation and polymerization; and the complex coagulant prepared by the preparation method contains 20 to 35% of silicon, 15 to 25% of aluminum, 6 to 11% of iron and 3 to 6% of boron. Compared with the prior arts, the preparation method has the advantages of easy acquirement of raw materials, simple process, and good economical efficiency and applicability. The inorganic polymer complex coagulant prepared by the preparation method has the advantages of good performances of adsorption and bridging, charge neutrality, bonding and gathering, and decoloration, big flocs, fast sedimentation velocity of flocs, and low use amount. The complex coagulant can be widely utilized for the field of wastewater treatment, and is especially suitable for advanced treatment ofbiochemical tail water.
Owner:CHINA PETROLEUM & CHEM CORP +1

Preparation and separation and purification method for latent curing agent microcapsule with temperature responsive controlled release characteristic

Relating to synthesis and optimization of latent curing agents, the invention provides a preparation and separation and purification method for a specific curing agent controlled release system with temperature responsiveness. According to the invention, a specific method is employed to prepare the specific curing agent so as to obtain a microcapsule with specific purpose. Through optimization of the preparation process, the use of polyvinyl alcohol and other stabilizers can be avoided, thus being conducive to separation and purification and drying at the later period. Also, the used reagents are all low toxic or non-toxic, and have very low environmental pollution. Single and pure thermoplastic plastic like polystyrene is selected as the coating material, which can melt at certain temperature and the release the curing agent so as to carry out curing reaction. Through selection of the solvent, rotation speed and feed ratio, microcapsules with different particle size distribution and curing agent content can be obtained. After centrifugation, a discontinuous timing ultrasonic method is carried out in absolute ethanol to prepare the curing agent microcapsule with very little impurity content and very good dispersibility, and agglomeration phenomenon does not appear.
Owner:北京中杰瑞康科技有限公司

Production method for high-content galactooligosaccharide

The invention discloses a production method for high-content galactooligosaccharide. The production method comprises the following steps: S1, preparation of an enzyme fermentation liquor: with a lactose solution with a concentration of 300-400 g/L as a raw material, adding beta-galactosidase into the lactose solution, wherein 10-30 U of the beta-galactosidase is added into each gram of a lactose raw material, putting an obtained mixed solution into a high-speed stirrer, carrying out uniform stirring at 25-35 DEG C, wherein a pH value is 6-7, then carrying out culturing for 30-40 h, and when the mass percentage of glucose accounts for 10-15% of the total amount of sugar through an enzyme reaction, stopping reaction work so as to finally obtain an enzyme fermentation liquor for subsequent usage. The invention relates to the technical field of production of the galactooligosaccharide. The production method for high-content galactooligosaccharide has the following advantages: beer yeast isadded in the preparation process of the galactooligosaccharide, so the conversion rate of the galactooligosaccharide can be increased, and short reaction time and high synthesis rate are achieved; byusing of an ultrafiltration membrane and a nanofiltration membrane, the purity of the galactooligosaccharide can be greatly improved; meanwhile, the production cost is reduced to a certain extent, and the actual production requirements are met.
Owner:安徽民祯生物工程有限公司

Automatic shearing device for injection molding pull rope and process thereof

InactiveCN110524816ARealize automated production and processingIncrease productivityInjection molding machineSupport plane
The invention relates to an automatic shearing device for an injection molding pull rope and a process thereof. The device comprises a shearing mechanism and a conveying mechanism, the shearing mechanism comprises a base, a first driving mechanism arranged on the base, a supporting frame capable of sliding front and back on the base, a second driving mechanism arranged on the supporting frame, a third driving mechanism arranged on the supporting frame in a left-right sliding mode, and an air shearing mechanism connected to the third driving mechanism; shear blades capable of being automatically opened and closed are arranged on the air shearing mechanism; the conveying mechanism comprises a frame body, a horizontal frame arranged on the frame body, a sliding frame capable of sliding on thehorizontal frame, a telescopic mechanism arranged on the horizontal frame and a clamping mechanism arranged at one end of the sliding frame. The invention relates to the field of injection molding pull rope production and processing equipment, the injection molding pull rope is automatically cut through the shearing mechanism and the conveying mechanism, the production efficiency is improved, thequality of the produced injection molding pull rope is good, and the technical problems of low efficiency and incomplete cutting of the injection molding pull rope caused by manual cutting of the injection molding pull rope are solved.
Owner:冉茂科

Composite coagulant for advanced treatment of biochemical tail water, as well as preparation method and application thereof

The invention relates to a composite coagulant for advanced treatment of biochemical tail water, as well as a preparation method and application thereof. The inorganic polymer composite coagulant containing boron, silicon, aluminum and iron, which is prepared by adopting an iron source, a boron source and a silicon-aluminum source as raw materials, is applied to coagulation purification processing coagulant of all kinds of waste water, and is particularly applied to advanced treatment of the biochemical tail water. The iron source, the boron source and the silicon-aluminum source are adopted as the raw materials; the inorganic polymer composite coagulant is prepared through alkaline hydrolysis, acid leaching oxidation, hydrolysis and polymerization under heating; and the prepared composite coagulant contains 20 percent-35 percent of silicon, 15 percent-25 percent of aluminum, 6 percent-11 percent of iron, and 3 percent-6 percent of boron. The coagulant has easy-to-get raw materials and concise process, and is economic and applicable. The obtained inorganic polymer composite coagulant has good capacities of absorption and bridging, charge neutrality, bonding aggregation and decoloration, and less dosage, and is widely applied to waste water treatment field, in particular to advanced treatment of the biochemical tail water; and the flocs are big and are fast in sedimentation velocity.
Owner:CHINA PETROLEUM & CHEM CORP +1

CCD positioning device and control method thereof

The invention belongs to the technical field of lithium battery pole piece equipment, and particularly relates to a CCD positioning device and a control method thereof. The CCD positioning device comprises a laminating mechanism, a first manipulator mechanism, a second manipulator mechanism and a deviation correcting mechanism, wherein a pole piece supply device comprises a first pole piece supplydevice and a second pole piece supply device; the lamination mechanism comprises a lamination motor and a lamination table, and the lamination motor drives the lamination table to move at the position A and the position B; the first manipulator mechanism comprises a first motor, a first rotating motor and a first manipulator, and the first rotating motor drives the first manipulator to rotate; the second manipulator mechanism comprises a second motor, a second rotating motor and a second manipulator, and the second rotating motor drives the second manipulator to rotate; and the deviation correcting mechanism comprises a CCD image sensor and a PLC control system. According to the invention, the deviation correcting efficiency is greatly improved, the moving speed of a manipulator sucker isgreatly improved, and the laminating efficiency is improved, so that the production requirement is facilitated.
Owner:温在东

A kind of preparation, separation and purification method of latent curing agent microcapsules with temperature-responsive controlled release characteristics

Relating to synthesis and optimization of latent curing agents, the invention provides a preparation and separation and purification method for a specific curing agent controlled release system with temperature responsiveness. According to the invention, a specific method is employed to prepare the specific curing agent so as to obtain a microcapsule with specific purpose. Through optimization of the preparation process, the use of polyvinyl alcohol and other stabilizers can be avoided, thus being conducive to separation and purification and drying at the later period. Also, the used reagents are all low toxic or non-toxic, and have very low environmental pollution. Single and pure thermoplastic plastic like polystyrene is selected as the coating material, which can melt at certain temperature and the release the curing agent so as to carry out curing reaction. Through selection of the solvent, rotation speed and feed ratio, microcapsules with different particle size distribution and curing agent content can be obtained. After centrifugation, a discontinuous timing ultrasonic method is carried out in absolute ethanol to prepare the curing agent microcapsule with very little impurity content and very good dispersibility, and agglomeration phenomenon does not appear.
Owner:北京中杰瑞康科技有限公司

Drying equipment for combed cotton yarn production

The invention discloses drying equipment for combed cotton yarn production, and relates to the technical field of combed cotton production. Aiming at solving the problems of single measure and low efficiency of heating wire drying after combed cotton cleaning in the prior art, the following scheme is provided: the drying equipment for combed cotton yarn production comprises an equipment box; a driving mechanism is arranged in the equipment box; the two sides of the top of the driving mechanism are fixedly connected with material guiding mechanisms; the top of the equipment box is fixedly connected with a heating box; two horizontally-arranged electric heating plates are arranged in the heating box; the electric heating plates are located between the two material guiding mechanisms; and the two sides of the driving mechanism are provided with blowing drying mechanisms rotationally connected to the inner wall of the equipment box. According to the drying equipment for combed cotton yarn production, hot air can be used for blowing and drying conveniently, the two faces of the cotton yarn make direct and temporary contact with the electric heating plates, and the cotton yarn drying speed is further increased; and therefore, enterprise production requirements are met.
Owner:安徽瑞翁科技有限公司

LED drive power filling vinyl assembly device and vinyl filling assembly method

ActiveCN109654095BExtended cooldownShort cooling time and high efficiencySpraying apparatusPretreated surfacesAdhesiveEngineering
The invention relates to an assembling device and an assembling method for filling a black adhesive to a Light-emitting diode (LED) drive power supply. The assembling device for filling the black adhesive to the LED drive power supply comprises a black adhesive filling machine with an adhesive discharging head, a controller with a display screen, an adhesive filling and metering device arranged under the discharging head, a conveying device arranged at the back end of the adhesive filling and metering device, a power supply main body feeding device, a power supply case cover feeding device, acover pressing device, a rapid cooling device arranged on the back side of the cover pressing device, and a power supply case feeding detection sensor located above the adhesive filling and metering device, wherein the power supply main body feeding device, the power supply case cover feeding device and the cover pressing device are sequentially arranged above the conveying device. According to the assembling device for filling the black adhesive to the LED drive power supply, the black adhesive filling amount is accurate, the assembled LED drive power supply is short in cooling time and highin efficiency, and the flow line production can be favorably arranged.
Owner:ZHEJIANG KAIYAO LIGHTING

Spherical mesoporous carbon nitride photocatalyst with multistage nano structure

The invention discloses a spherical mesoporous carbon nitride photocatalyst with a multistage nano structure and a preparation method and application thereof and belongs to the technical field of material preparation and photocatalysis. The spherical mesoporous carbon nitride photocatalyst with the multistage nano structure is prepared by using cyanamide as a precursor, using spherical mesoporous silicon dioxide with a highly open structure as a hard template, carrying out thermal thermal polymerization and removing the hard template. The spherical mesoporous carbon nitride prepared by the preparation method has the characteristic that nanosheet or nanosheet-like small particles are uniformly diffused around from the sphere center to form a spherical micro nano structure of which the surface structure is highly open; compared with conventional bulk phase carbon nitride, the spherical mesoporous carbon nitride photocatalyst can obviously improve the specific surface area and the mass transfer effect and has efficient photocatalytic hydrogen production performance in the visible light. The spherical mesoporous carbon nitride photocatalyst adopts a simple synthetic process, has high catalysis efficiency and has wide application prospect in the field of catalysis / photocatalysis.
Owner:FUZHOU UNIV

Efficient punching equipment for PE leakage pipe

The invention discloses efficient punching equipment for a PE leakage pipe, and relates to the field of PE leakage pipes. The efficient punching equipment comprises a main supporting plate, supporting vertical rods are vertically and downwards welded to the bottom surface of the main supporting plate, a control panel is obliquely welded to one side edge of the main supporting plate, a display screen is embedded in the top surface of the control panel, and a setting plate is embedded in the top surface of the control panel; and a sliding transverse groove is horizontally formed in the top face of the main supporting plate, a movable vertical plate is vertically arranged on the top face of the main supporting plate, an extending top plate is horizontally welded to one side edge of the movable vertical plate, sleeving rods are symmetrically welded to the two side edges of the extending top plate, and extending rods are horizontally inserted into the ends, away from the extending top plate, of the sleeving rods. According to the efficient punching equipment, the design is integrated, the structure is simple, operation is convenient, fixing arrangement is more stable and saves more labor by adopting an electric clamping mode, and meanwhile, multi-direction intelligent drilling treatment can be achieved, so that the drilling efficiency is greatly improved.
Owner:钟通

Maglev weft insertion automatic loom

The invention provides a magnetic levitation weft insertion automatic weaving loom to solve the problems that a traditional automatic weaving loom is complex in shuttle changing mechanism, prone to failures, long in process flow, high in amount of consumed labor, high in quantity of materials consumed by a machine and high in noise. The magnetic levitation weft insertion automatic weaving loom comprises a machine frame, a crank and rocker mechanism located on one side of the machine frame, a guide rail located on the machine frame, and a weft insertion shuttle located on the guide rail. The guide rail is fixed to the upper end of the machine frame. The weft insertion shuttle is connected with the crank and rocker mechanism through a weft insertion steel wire rope. The guide rail comprises a large portal frame and a guide rail magnetic sheet located on the large portal frame. The weft insertion shuttle comprises a shuttle guiding piece and a shuttle guiding magnetic sheet located at the bottom of the shuttle guiding piece. The opposite faces of the shuttle guiding magnetic sheet and the guide rail magnetic sheet have the same polarity. A steering pulley is arranged at the upper end of the machine frame. A speed increasing gear is arranged between the crank and rocker mechanism and the machine frame. The crank and rocker mechanism comprises a rocker, a crank and a connecting rod which is connected with the rocker and the crank, wherein the crank is fixed to the machine frame.
Owner:高密市三佳纺织有限公司
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