90results about How to "Cheap manufacturing" patented technology

The invention discloses a method for preparing formaldehyde through photocatalytic methane selective oxidation, and relates to the technical field of formaldehyde preparation. The method comprises the following steps: ultrasonically dispersing a titanium dioxide supported copper monatomic catalyst into water, adding into a reaction kettle, sequentially introducing oxygen and methane into the reaction kettle until the required pressure is reached, and stirring and reacting for a period of time under an illumination condition to obtain formaldehyde and other oxidation products, in the reaction process, the dosage of the titanium dioxide supported copper monatomic catalyst is 0.1-10 mg, and the dosage of the water solvent is 0-100 mL; the catalyst is a titanium dioxide supported copper monatomic catalyst. According to the method, methane is used as a raw material, oxygen is used as an oxidizing agent, methane is selectively converted into formaldehyde under the combined action of illumination and the titanium dioxide supported copper monatomic catalyst, the obtained formaldehyde has high generation rate and selectivity, the reaction process is green and economical, and the method has wide application prospects.

The invention provides a vibration reduction boat bottom structure and an amphibious boat, and relates to the technical field of amphibious boats. The vibration reduction boat bottom structure comprises a vibration reduction air bag and a macromolecule wear-resisting plate. The damping air bag and the macromolecule wear-resisting plate are located at the bottom of the main hull. The damping air bag is located between the macromolecule wear-resisting plate and the main hull. The vibration reduction air bag is of a cylindrical structure and extends from the stern to the bow of the main hull. The multiple damping air bags are arranged in the left-right direction of the main ship body. The shape of the damping air bag follows the boat bottom molded line of the main boat body. The multiple macromolecule wear-resisting plates are laid in a crossed and stacked mode, and the shapes of the macromolecule wear-resisting plates follow the boat bottom molded line of the main boat body. And the left and right sides of the macromolecular wear-resistant plate are fixed with the left and right sides of the main hull. The problems that a damping system arranged on a traditional wear-resistant layer is poor in damping effect and difficult to maintain can be solved.

The invention relates to a microtube reactor with a photothermal conversion function and a preparation method and application thereof, and belongs to the technical field of photochemical microreactors. The preparation method comprises the following steps: S1, designing a model of the microtube reactor by using 3ds Max software; s2, a 3D printer is used for printing, and a microtube reactor is obtained; the microtube reactor is made of photosensitive resin and a photo-thermal agent; the mass fraction of the photo-thermal agent is 0.01 wt% to 5.00 wt%; and S3, cleaning and curing the microtube reactor to obtain the microtube reactor with the photo-thermal conversion function. The microtube reactor which has a photothermal conversion function and can be applied to different heating reactions is prepared by combining the high-strength high-temperature-resistant photosensitive resin doped with the photothermal agent with a 3D printing technology, so that the microtube reactor has important significance in expanding the application range of the microreactor and saving energy.

A conduit (10) for a fluid to be conveyed, in particular in a motor vehicle, comprises an inner tube (12) configured to be passed through by the fluid to be conveyed and a sheath (15). The sheath (15) includes an outer tube (14) and a plurality of tubular portions (18) defining a channel (16). Tubular portions (18) are inserted radially between the inner tube (12) and the outer tube (14), extend longitudinally along the outer tube (14), are integral with the outer tube (14), and are spaced apart from each other to form a void (17). The application also relates to a system for conveying a fluid and a motor vehicle.

The invention discloses a preparation method of a BAW device based on a novel sacrificial layer technology, and the preparation method employs ZnO as the material of a sacrificial layer, employs a diluted hydrochloric acid solution as an etchant solution, can prevent the diluted hydrochloric acid solution from corroding an insulating layer and a dielectric layer while completely corroding ZnO, and obtains a high-performance BAW device. And meanwhile, on-chip integration with other passive devices is realized. According to the invention, ZnO is adopted as the sacrificial layer, and the sacrificial layer has the same wurtzite structure as the piezoelectric layer, so that the sacrificial layer can be used for inducing grain arrangement of the first electrode of the piezoelectric oscillation stack, and preferred orientation growth of the first electrode film is facilitated, so that preferred orientation growth of the piezoelectric layer film is further realized, and the piezoelectric layer film has relatively good piezoelectric performance. According to the invention, SiO2 is used as a passivation protection layer and an insulating layer, so that the function of the passivation protection layer and the insulating layer is achieved, and the function of temperature compensation can be additionally realized at the same time.

The invention discloses an n-type doped low-resistance ohmic contact diamond and a preparation method thereof. The preparation method comprises the following steps: selecting an unintentionally doped diamond as a diamond substrate; injecting P ions on the diamond substrate at a first preset temperature, and forming an injection layer on the upper surface of the diamond substrate; annealing the injection layer at a second preset temperature to redistribute the P element in the injection layer; and depositing a metal layer on the upper surface of the injection layer. According to the method, the n-type doping of the diamond is realized through P ion implantation, the doping concentration is high, relatively high charged carrier concentration and good bulk conductivity can be realized under low activation energy, and the requirement of in-situ growth of the heavily phosphorus-doped diamond on equipment is reduced.

The present application belongs to the technical field of biological oil catalytic hydrogenation, and particularly relates to a bio-based oil-soluble molybdenum catalyst, a preparation method and application thereof. The preparation method of the bio-based oil-soluble molybdenum catalyst provided by the present application comprises: mixing a molybdenum source, a bio-based linear organic acid with a carbon atom number of 16 or more and an additive, heating and reacting, and separating to obtain the bio-based oil-soluble molybdenum catalyst; the additive is selected from at least one of tetrahydro naphthalene and decahydro naphthalene. The bio-based oil-soluble molybdenum catalyst green material obtained by the present application has optimal activity and high dispersibility when used, can realize more sufficient mixing with raw materials, forms nano high-dispersed molybdenum sulfide through sulfuration, and realizes high-efficiency hydrogenation refining of oil products through the joint action of hydrogen and sulfur, while reducing the sulfur, oxygen and metal residues in the product oil.

A peritoneal dialysis (PD) container is provided, comprising an injection-stretch blow-molded container body, an injection site, and a pop-out outlet valve. The PD container can be included in a PD treatment system, which also includes a coil, a patient connector, and a drainage bag. All these components are made of a polyolefin material. In an alternative embodiment, a two-piece outlet delivery device comprising an outlet base insert and a peelable tube can be used instead of the pop-out outlet valve. Kits for the PD treatment system are also provided.

The present invention relates to a sulfuric acid production device provided with: a line (41) for supplying a raw material containing at least a sulfur component; a conduit (45) into which the first refrigerant is introduced; a combustion furnace (51) that combusts the starting material and generates a combustion gas containing sulfur oxides; a waste heat boiler (52) that cools the combustion gas by heat exchange with the first refrigerant that has been heated; a converter (61) for generating a reaction gas containing sulfur trioxide and water by oxidizing the sulfur oxide with a catalyst; a cooler (62) that cools the reaction gas by heat exchange with the second refrigerant; a dilute sulfuric acid tower (71) for absorbing sulfur trioxide and water contained in the cooled reaction gas into the sulfuric acid aqueous solution to generate dilute sulfuric acid, and discharging an exhaust gas containing sulfur dioxide and oxygen; and a heat exchange means (63) for preparing a heated first refrigerant and a cooled second refrigerant by heat exchange between the heated second refrigerant and the first refrigerant, and supplying either the heated first refrigerant or the cooled second refrigerant to the waste heat boiler (52).

A blockage detection device for a fluid replacement passage in a hemodialysis device detects the presence or absence of blockage in a fluid replacement passage of the hemodialysis device. The control component executes a first action of operating a dialysate pump at a predetermined set flow rate while filling a supply chamber with dialysate and obtaining the total amount discharge time until the dialysate in the supply chamber disappears. Next, the fluid replacement pump is operated through a second action to discharge a portion of the dialysate filled in the supply chamber into the blood circuit, and then, the remaining amount discharge time is obtained through a third action until the residual dialysate remaining in the supply chamber disappears using the dialysate pump. At this time, when the remaining amount discharge time is consistent with the total amount discharge time, it can be determined through the second action that the dialysate filled in the supply chamber is not discharged into the blood circuit at all, and therefore it can be determined through the fourth action that the fluid replacement passage is blocked. The presence or absence of blockage in the fluid replacement passage can be detected without adding a special structure.

The invention relates to a refrigerant system (2) for an electric vehicle, comprising the following components: a compressor (4), at least one condenser (6, 8), at least one decompression device (10, 12) and an evaporator (14), which interact in the form of a heat pump in the operating state of the refrigerant system (2), characterized in that the compressor (4), the at least one condenser (6, 8), the at least one decompression device (10, 12) and the evaporator (14) are connected to the compressor (4). The refrigerant system (2) is provided with a distribution module (20) which is used for connecting the components in a flow guiding mode and is used for distributing the refrigerant circulating in the refrigerant system (2). The distribution module (20) has a first module part (22) which is fluidically arranged between a compressor outlet of the compressor (4) and a condenser inlet of the at least one condenser (6, 8) and a second module part (24) which is fluidically arranged between a condenser outlet of the at least one condenser (6, 8) and a compressor inlet of the compressor (4), the first module part (22) is substantially thermally insulated from the second module part (24) by means of at least one insulating part (26) of the distribution module (20).

The invention relates to intelligent dyeing production equipment based on cooperation of an electric control box, the intelligent dyeing production equipment comprises a bottom plate and an electric control box body, four corners of the bottom of the bottom plate are respectively connected with support columns, a dyeing box is arranged above the bottom plate, four corners of the bottom of the dyeing box are respectively connected with stand columns, and the bottom ends of the stand columns are connected to the top of the bottom plate. A movable door is installed at the position, close to the top, of the right side of the dyeing box, material penetrating grooves are formed in the front side and the rear side of the dyeing box correspondingly, a U-shaped plate is arranged in the dyeing box, a pulling roller is movably connected to the inner wall of the U-shaped plate through a rotating shaft and a bearing, and an electric push rod is connected to the top of the dyeing box in a penetrating mode. According to the technical scheme, the whole structure is compact, an external circulating pump, a complex pipeline and an independent aeration system are omitted, the manufacturing and maintenance cost and energy consumption are reduced, and innovative equipment and method are provided for efficient, uniform and intelligent dyeing production.

The invention relates to the technical field of fever cooling patches, in particular to fever cooling hydrogel, a preparation method and application thereof and a hydrogel fever cooling patch. The cooling hydrogel is prepared from a polyvinyl alcohol solution, a gelatin solution and a sodium tetraborate solution; the mass percentage content of the polyvinyl alcohol solution is 10-20%; the mass percentage content of the gelatin solution is 20%; the mass percentage of the sodium tetraborate solution is 1-4%; the volume ratio of the polyvinyl alcohol solution to the gelatin solution to the sodium tetraborate solution is (3-5): (1-3): (1-5). The limitation of a non-woven fabric backing layer is removed, the selected gel matrix is hydrogel with enough tensile property and formability, when a patient reserves the fever cooling patch, the patient does not need to purchase an adult style or a child style, and the area of the fever cooling patch can be changed through stretching. The fever cooling patch is free of limitation of non-woven fabric, flexibility of the fever cooling patch is improved, and the fever cooling patch is suitable for all parts of the body. Therefore, the fever cooling patch is more flexible when being used by a patient.

The invention belongs to the field of casting machining, and relates to an automatic profiling mold and method for an inclined guide core-pulling sliding block structure. The mold comprises an upper pressing mold, a lower mold, a bottom plate, an air cylinder, mold feet, a top plate assembly, a sliding rail, an inclined sliding block, a core block, an ejector rod and a spring. The upper profiling is connected to an upper pressing plate of the wax injection machine; the bottom plate is fixed on a wax press workbench, the cylinder is arranged in the middle of the bottom plate, the mold feet are arranged around the bottom plate, and the lower mold is arranged at the tops of the mold feet; the upper end of the inclined through hole is close to the center; the inclined section of the inclined sliding block penetrates through the inclined through hole and penetrates out of the lower surface of the lower die; blind holes are formed in the edge of the lower surface of the lower die; a sliding rail is arranged on the upper surface of the top plate assembly in the radial direction, and the bottom of the inclined section of the inclined sliding block slides on the sliding rail through the sliding block. The ejector rod is fixed to the edge of the ejector plate assembly, the upper portion of the ejector rod extends into the blind hole, and the spring sleeves the ejector rod and is located between the lower die and the ejector plate assembly.

A dual-mass flywheel (1) is installed in the drive train of a motor vehicle driven by an internal combustion engine, and consists of a primary part (2) and a secondary part (3), the primary part and the secondary part are connected by a spring damping device (5) and can rotate about a rotation axis (4) and can be twisted relative to each other in a limited manner, an arc spring (7) installed in a spring channel (6) of the spring damping device is supported on a stop of the primary part and a support flange (18) of the secondary part, the multi-piece primary part includes a disk-like axially elastic flexible plate (10), the flexible plate is fixed to the internal combustion engine radially on the inside and is connected to the primary flywheel mass (13) radially on the outside, the outer bent leg (11) of the one-piece flexible plate is surrounded by a cylindrical section (12) of the primary flywheel mass to fix the flexible plate in a torsionally rigid manner, and the primary flywheel mass (13) includes a toothed ring (21) positioned on the outside and local areas (27, 28) for balancing measures.

The utility model relates to the field of ceiling fan installation accessories, in particular to a fast-assembly mechanism applied to a ceiling fan and used for fixing an upper cup, the ceiling fan comprises a ceiling fan body, a hanging rod and the upper cup, the fast-assembly mechanism is arranged on the hanging rod and can be adjusted up and down in the length direction of the hanging rod, and the fast-assembly mechanism comprises an installation sleeve assembly and a locking assembly. And the two are connected and matched to lock the whole quick-mounting mechanism and the upper cup on the hanging rod. The upper cup is fixed to the preset position of the hanging rod through the quick mounting mechanism, the problems that in the prior art, the upper cup and the external thread column are integrally formed, molds of different types of upper cups matched with the external thread column need to be produced, and the stock burden of accessories is increased are solved, the quick mounting mechanism can be independently manufactured and then matched with the different upper cups to meet the mounting requirement, and the mounting efficiency is improved. The overall manufacturing cost of the ceiling fan is reduced, good universality is achieved, and the quick mounting mechanism further has the advantages of being convenient to mount and operate and reliable in structure.

The utility model discloses a stable double-layer leaked chlorine absorption device, which relates to the field of harmful gas treatment, and comprises a treatment mechanism, the treatment mechanism comprises a conveying part, a reaction assembly and a recovery part, the reaction assembly comprises a primary dilution part for primarily diluting chlorine gas and a secondary dilution part for secondarily diluting chlorine gas, through the cooperative use of the primary dilution part and the secondary dilution part, the concentration of chlorine in the chlorine storage is rapidly reduced to 5 mg / m < 3 > or below, and the treatment efficiency is high; a reaction solution used by the treatment mechanism is a FeCl2 solution, so that the cost is low, and deterioration is not easily caused; a perforated partition plate, a plurality of spray headers and a filler box are arranged in the secondary dilution part, industrial scrap iron is placed in the perforated partition plate, the industrial scrap iron and FeCl3 are subjected to a reduction reaction, a reaction solution is supplemented into an absorption solution tank, FeCl3 can be recycled as an industrial raw material, and the cost is saved; pall ring packing is placed in the packing box, chlorine in the air is fully absorbed, the treatment time is shortened, and the efficiency is improved.

The utility model discloses a filter device and filter system for water treatment, and the device comprises: annular conveyer belt, a plurality of filter material bearing frame, fixed mounting is in annular conveyer belt, and a plurality of filter material bearing frame are spaced apart distribution on the circumference of annular conveyer belt, and filter material bearing frame has the openwork structure for liquid outflow, composite filter material filling layer, fixed filling in each filter material bearing frame, rotation drive mechanism is connected with annular conveyer belt to drive annular conveyer belt rotation and drive filter material bearing frame rotation with annular conveyer belt. The utility model discloses a filter device for water treatment through rotation drive mechanism and drive annular conveyer belt, make filter material bearing frame and its inside composite filter material filling layer circulate and move, so that adhering material is not easy to form permanent package layer on filter material surface, has more opportunity to be removed, adopts composite filter material filling layer to improve the filtration effect, reduces secondary pollution, and mechanical structure is simple, and the difficulty of manufacture, installation and maintenance is low.

The present invention relates to the field of packaging machinery technology, specifically a packaging bag easy-tear cutting device and packaging equipment, the cutting device includes a discharge channel for the packaging bag filled with contents to pass through, and a disc-shaped cutting blade arranged on one side of the discharge channel and capable of rotating, the outer edge of the cutting blade is provided with an annular blade, and the annular blade is provided with evenly distributed grooves at intervals, the cutting blade is parallel to the discharge direction of the discharge channel, and the side of the discharge channel is provided with an opening, and the blade of the cutting blade passes through the opening and extends into the discharge channel, so that the cutting blade can rotate relative to the packaging bag under the drive of the packaging bag and can cut the packaging bag; the packaging equipment is a packaging machine including the above-mentioned packaging bag easy-tear cutting device. The packaging bag easy-tear cutting device and packaging equipment of the present invention have simple structure, are convenient and practical, have good easy-tear forming effect, have low manufacturing, use and maintenance costs, and have a wide range of applications.

This invention provides a spray-type heat dissipation energy storage battery pack, including a base plate and a cover mounted on the base plate. A sealed battery cavity is formed between the cover and the base plate. Multiple rows of battery cell modules are installed within the battery cavity, with gaps between adjacent rows forming heat dissipation gaps. Multiple nozzles for spraying coolant are provided on the top of the battery cavity. The battery cell modules are mounted on the upper surface of the base plate, and a guide channel for guiding coolant flow is provided on the upper surface of the base plate. A drain pipe communicating with the guide channel and used to discharge coolant is provided on the cover or the base plate. This spray-type heat dissipation energy storage battery pack features an optimized cooling structure design, forming multiple cooling methods with high cooling efficiency and good effect, ensuring long-term stable and reliable operation of the battery pack. Simultaneously, it significantly reduces the amount of coolant used, lowering manufacturing, usage, and maintenance costs.

The invention relates to a furniture fitting (4) for movably supporting at least one furniture part (3) on a furniture body (2), the furniture fitting comprising a first component (5a) and a second component (5b), the first and second components being connected via at least one pivot bearing (21) with a support shaft (23), the first component (5a) having a first wall (26a, 26b), the pivot bearing having a capillary sheet (24a, 24b) with a second wall (27a, 27b), the second wall being separated from the first wall of the first component by a gap (28a, 28b) having a gap width (ΔX), the gap width at least partially decreasing radially toward the support shaft so that a lubricant (30) injected into the gap can be transported radially toward the support shaft and / or along the support shaft by capillary forces, the second wall of the capillary sheet extending obliquely in the first gap section and extending parallel to the first wall of the first component in the second gap section.

The utility model belongs to the technical field of phosphating filter equipment, and relates to a pipeline structure of a phosphating filter, which comprises at least two phosphating tanks arranged in parallel, each phosphating tank is respectively connected with a blanking pipe, the lower ends of the blanking pipes are gathered to a blanking main pipe, and the blanking main pipe is connected to an inlet of the phosphating filter; an outlet of the phosphating filter is connected with a filter outlet main pipe, the filter outlet main pipe is connected with the middle of a pipe body of a filter outlet branch pipe, the two ends of the filter outlet branch pipe are respectively connected with the middle of a pipe body of a conveying pipe, and the conveying pipe is divided into a phosphating tank branch pipe and a sewage discharging branch pipe by the filter outlet branch pipe. The upper end of the phosphating tank branch pipe extends into the phosphating tank, and the lower end of the pollution discharge branch pipe is connected to the pollution discharge header pipe. The utilization rate of the phosphating filter can be improved; the one-driving-two filtering requirement of the phosphating filter is met; the whole equipment is compact, and manufacturing and using cost is reduced.

The utility model relates to an automatic feeding and discharging device of a resin lens caravan rough grinding machine, and belongs to the technical field of lens automatic production. Comprising a rough grinding machine workpiece clamping jaw, a precise lens data inputting and feeding mechanism and a precise and automatic lens feeding and discharging mechanism, and the precise lens data inputting and feeding mechanism is fixedly connected to one side of the top of the precise and automatic lens feeding and discharging mechanism through a conveying belt connecting piece; the precise lens data inputting and feeding mechanism comprises a conveying belt frame arranged in the horizontal direction, a motor is installed on the side face of one end of the conveying belt frame, the motor is in transmission connection with a synchronous belt mechanism rotationally arranged on the surface of the conveying belt frame in a sleeving mode, and a third sensor is installed on the side face, away from the motor, of the other end of the conveying belt frame. A bar code input device is installed on the opposite side wall of the connecting position of the conveying belt frame and the precise and automatic lens feeding and discharging mechanism, and the left side and the right side of the bar code input device are respectively provided with a set of first sensors and first blocking air cylinders and a set of second sensors and second blocking air cylinders.

The invention discloses a device for automatically breaking, separating and recycling garbage bags, which comprises a shell, an automatic bag breaking operation chamber and an automatic separating and recycling operation chamber are arranged in an inner cavity of the shell, and a bag breaking roller and a linear motion component are arranged in the automatic bag breaking operation chamber; a garbage bag conveying roller and a garbage bag conveying plate which can be connected with the garbage bag conveying roller are arranged in the automatic separation and recovery operation chamber; a partition baffle is vertically arranged between the automatic bag breaking operation chamber and the automatic separation and recovery operation chamber, and a garbage bag conveying inlet is formed in the partition baffle. In addition, a garbage temporary storage plate and a garbage receiving plate capable of being opened and closed are arranged at the bottom of the automatic bag breaking operation chamber, and the garbage receiving plate can be connected with the garbage temporary storage plate when in a closed state. According to the device, automatic bag breaking and automatic separation and recovery of the garbage bags can be achieved, and the device has the advantages of being time-saving, labor-saving, safe, sanitary, simple in structure, convenient to use, safe and the like, and is remarkable in universality and practicability.

The application discloses a preparation method of telluric acid, and comprises the following steps: mixing tellurium dioxide material with a sodium hydroxide solution to perform an alkali leaching reaction, to obtain a sodium tellurite solution; mixing the sodium tellurite solution with an oxidizing agent to perform an oxidation reaction, to obtain a sodium tellurite precipitate; mixing the sodium tellurite precipitate with concentrated nitric acid to perform an acidification reaction, to obtain a telluric acid precipitate; and placing the telluric acid precipitate in distilled water to perform recrystallization, filtering and drying, to obtain a telluric acid product. According to the method, the tellurium dioxide material is used as a raw material, a synergistic process of alkali leaching purification, directional oxidation, acidification conversion and refined purification is adopted, high-purity telluric acid can be efficiently prepared, the purification of tellurium and the preparation of telluric acid can be integrally completed, the traditional synthesis path of the telluric acid, i.e., 'purification first and then synthesis', is overturned, the method has the characteristics of low raw material cost, simple process, high product purity and high yield, and is suitable for large-scale industrial production.

The present application discloses a preparation method of a bimetallic composite plate by a Bridgman method, wherein the bimetallic composite plate is composed of a metal substrate and a cladding plate, wherein the cladding plate is obtained by sintering after granulating metal powder, and the steps include: (1) the metal substrate is corrected and leveled, and the top surface is sequentially rusted, degreased and roughened, and cleaned for use; (2) the metal powder is mixed and granulated, poured on the top surface of the metal substrate, and smoothed after vibration; (3) the metal substrate with the top surface covered with metal mixed particles is horizontally sent into a regional sintering furnace, inert gas protection is introduced, and heated to the liquefaction sintering temperature of the metal particles, the temperature zone width is 10-50cm, and the regional high temperature is gradually passed at a speed of 30-200cm / h to complete sintering; (4) cooling gas is blown to the metal substrate at the bottom of the regional sintering furnace outlet, and the bimetallic composite plate is obtained after the other side is naturally cooled. The method sets the regional temperature control and cooling crystallization mode for the preparation of the bimetallic plate, so that the bimetallic composite plate has high density, strength and material consistency.

The utility model discloses a meter front gate valve which comprises a valve shell, a valve element and a valve accessory. The valve shell comprises a valve shell finished product formed by combining a valve shell I and a valve shell II. The valve element is designed in a split mode and comprises a first valve element body and a second valve element body which are made of metal or non-metal materials. The valve accessories comprise a flashboard and a valve rod which are made of non-metal materials, the flashboard is in interference fit with the valve element, and the flashboard is driven to move up and down through rotation of the valve rod to achieve opening and closing of the gate valve. When the meter front gate valve is manufactured, a large number of subsequent machining steps are omitted, machining procedures are few, the manufacturing process is simple, the manufacturing cost is low, and the meter front gate valve is safe, sanitary and environmentally friendly. Non-metal sealing is achieved between the valve element and the valve shell and between the valve element and the gate plate by means of the deformable characteristic of non-metal, the sealing performance is good, and the requirement for machining precision is greatly lowered; and the sealing surface is more corrosion-resistant, so that the problems that the metal sealing surface is rusted and stuck and the sealing is invalid due to less opening and closing times of the metal meter front valve are solved.

The present application relates to a kind of industrial juicer for deep processing of pennisetum, comprising: frame, feed hopper, pretreatment zone and residue-liquid separation zone are arranged in height on frame;Roller feeding mechanism, for material is rolled and delivered to pretreatment zone;Cutting material roller mechanism, including cutting plate being arranged in pretreatment zone, the outside of cutting plate can be movably installed cutting blade, and the bottom side of cutting blade is installed broken material compression roller;Hot softening guide mechanism, for heating softening treatment to material after roller pressing and conveying it to centrifugal separation zone;Juice separation device, including primary filter cartridge and secondary filter cartridge, the top of the secondary filter cartridge is closed and fixed with end cover plate, a plurality of residue outlets are formed in end cover plate, and lifting auger is rotatably arranged in the middle of end cover plate;Juice collection mechanism, for discharging and collecting juice.The present application can facilitate feeding and overall smooth progress of juicing process, and can effectively improve juicing effect and juicing efficiency.

The utility model discloses auxiliary equipment for cleaning a wire-drawing die, which belongs to the technical field of auxiliary equipment for cleaning the wire-drawing die, aims at reducing the cleaning time of the wire-drawing die and reducing the cleaning efficiency of the wire-drawing die, and comprises an electrical cabinet and an ultrasonic cleaning tank, a control motor is arranged in the middle of the electrical cabinet, a driving chain wheel is fixed to the driving end of the control motor, the outer wall of the driving chain wheel is meshed with a chain, the other end of the chain is meshed with a driven chain wheel, a linear adjusting assembly is arranged in the center of the driven chain wheel, and a mounting plate is rotationally mounted on one side of the top end of the electrical cabinet. According to the wire-drawing die cleaning device, the motor, the driving chain wheel, the chain, the driven chain wheel, the rotating rod, the first rotating piece, the connecting shaft, the limiting sliding block and the limiting rod are controlled to work in a matched mode, then the cleaning frame can be driven to slide in the ultrasonic cleaning tank in a reciprocating mode, and the cleaning time of a wire-drawing die can be shortened.

The present invention discloses a miniaturized high-pass filtering dual-polarized patch antenna, comprising a reflective floor, a first metal sheet and a second metal sheet. The first metal sheet and the second metal sheet are both square structures with four corners cut off and a gap in the middle. The reflective floor is a square structure. The gaps in the middle of the two metal sheets are formed by a combination of a square and a cross structure; the square gap and the cross gap are both located in the center of the metal sheet, the four branches of the cross gap and the four corners of the square gap point to the edge center of the metal sheet, the size of the cross gap is close to the edge of the metal sheet, and the patch antenna feeds the first metal sheet through four centrosymmetric metal probes. The present invention can achieve a good high-pass filtering effect and a high-pass filtering effect by digging gaps in the center of the parasitic patch and the feeding patch, and can also change the equivalent path of the current on the radiation patch, thereby achieving a miniaturized effect.