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34results about How to "Improve astigmatism effect" patented technology

High light-transmittance and high light-shielding polystyrene composition and preparation method of composition

The invention relates to the technical field of polystyrene composition, particularly to high light-transmittance and high light-shielding polystyrene composition. The high light-transmittance and high light-shielding polystyrene composition is prepared from the following materials by weight: 98.2%-99.6% of polystyrene, 0-1% of silicon light diffusing agent, 0.1-0.2% of a lubricating agent, 0.1-0.2% of a dispersing agent, 0.1-0.3% of antioxidant A and 0.1-0.2% of antioxidant B. The preparation method comprises the steps of uniformly agitating the constituents except for polystyrene by a high-speed mixer; putting the polystyrene and the uniformly mixed materials into the high-speed mixer to carry out three-segment agitation, and extruding and pelletizing the uniformly mixed materials by a double-screw extruder. The polystyrene composition disclosed by the invention is high in light transmittance, high in light shielding property, good in impact strength, good in balance of haze and light transmittance, high in structure strength of the prepared product, simple in process, low in production cost and beneficial for generalization and application.
Owner:GUANGDONG SILVER AGE SCI & TECH CO LTD

Bird repelling device

The invention provides a bird repelling device, and belongs to the technical field of bird repelling devices for electricity power. The device comprises a bottom plate, a self-rotating device, a reflecting body, a control system and a bird repelling mechanism; the self-rotating device comprises a rotary shaft, a shaft sleeve and multiple wind bowls; the reflecting body is of an umbrella-shaped structure enclosed by multiple arc blades; the reflecting body is connected with the rotary shaft; the control system comprises a photovoltaic assembly, a controller, a storage battery and an infrared sensor; the output end of the photovoltaic assembly is connected with the storage battery through a charge discharge module; the output end of the charge discharge module is connected with the input endof the controller, and the output end of the infrared sensor is connected with the input end of controller; the bird repelling device comprises an acousto-optic alarming device, a sound generating plate and a smell dispersing assembly. According to the bird repelling device, three manners of optical reflection, noise and flash light can be utilized by the device to repel birds, the nest buildingand activities in the periphery of a power transmission pole of the birds can be effectively avoided to reduce problems of short circuit, grounding fault and the like caused by the activities of the birds are reduced, and the safety running of power transmission wires is ensured.
Owner:SHIJIAZHUANG JINNENG ELECTRIC EQUIP CO LTD

Flash shield, flash component and terminal

The invention discloses a flash shield, a flash component and a terminal which are used for enhancing light diffusion, so that the light filling effect and the product experience for users are improved. The flash shield comprises a shield base, an annular lens and a semi-lens, wherein an annular protruding portion is formed on the shield base and provided with a cylindrical accommodating cavity; the annular lens is arranged on the annular protruding portion; light scattering patterns are formed on one surface facing towards the annular protruding portion of the annular lens; and the semi-lens is arranged in the middle of the annular lens. The invention further provides the flash component and the terminal.
Owner:MEIZU TECH CO LTD

Novel blade-shaped hemispherical wind-driving bird-dispersing apparatus

The invention relates to a novel blade-shaped hemispherical wind-driving bird-dispersing apparatus. The blade-shaped hemispherical wind-driving bird-dispersing apparatus comprises a stainless steel supporting rod of the wind-driving bird-dispersing apparatus, wherein multiple hemispherical cambered stainless steel blades are installed at the top of the stainless steel supporting rod and rotate around installing points up and down; screw threads are formed on the middle part surface of the supporting rod and screwed with nuts, horizontal fin frame bars are symmetrically and fixedly arranged at two sides of each nut, fins with a certain angle formed by a plane and a horizontal direction are fixedly arranged at the outer end of the fin frame bar, a concave clamping slot opened towards the left is formed in the bottom of the supporting rod, and bolts penetrating through the bottom of the clamping slot are used for fixing the supporting rod. The bird-dispersing apparatus is simple in working principle and adopts wind power as a power source; the difference of the bird-dispersing apparatus is that the blade-shaped hemispherical wind-driving bird-dispersing apparatus is a hemispherical multiple-blade structure, birds cannot stop and branches cannot be built due to strong light diffusion regions on the blade surface and the smooth surface; according to the multiple-blade rotating structure, the light diffusion effect can be greatly improved, the birds are afraid to be close to the bird-dispersing apparatus by rotating the blades, and thus the bird-dispersing effect is greatly improved.
Owner:STATE GRID CORP OF CHINA +1

Plastic heat-dissipation light-scattering master batch and preparation method thereof

The invention discloses a plastic heat-dissipation light-scattering master batch and a preparation method thereof. The master batch is composed of the following components in percentage by weight: 40-55% of gas-phase white carbon black, 20-35% of heat-conducting composition, 10-20% of matrix resin, 3-5% of dispersing agent, 1-3% of lubricating assistant and 0-1% of other assistant. The preparation method comprises the following steps: attaching the heat-conducting composition into micropores of the gas-phase white carbon black, sintering to obtain light-scattering two-element microspheres with high heat conductivity, grinding and dispersing with a sand mill, and carrying out melt dispersion and granulation of the high-melting-index K resin to obtain the plastic heat-dissipation light-scattering master batch. The master batch has the heat dissipation effect; and since the light-transmitting heat-conducting composite material is adsorbed and molten in the pores of the gas-phase white carbon black, so that the original light-reflection low-light-transmittance gas-phase white carbon black has light transmittance and higher light scattering performance.
Owner:KUNSHAN YUNCHENG PLASTIC IND CO LTD

Ultrathin LED backlight plate with excellent light scattering

The invention relates to an ultra-thin LED backlight panel with good astigmatism, which comprises black and white double-sided adhesive tape, an upper diamond sheet, a lower diamond sheet, a diffusion film, a light guide plate, a plastic frame and a reflective film stacked sequentially from top to bottom. The top of the light guide plate is provided with a flexible circuit board, the flexible circuit board is provided with LED lights, the light guide plate is provided with bumps, and a number of parallel diamond-shaped columns are respectively distributed on the diamond pieces, and the two diamond pieces are The directions of the rhombic columns differ by 90°. Provided is an ultra-thin LED backlight panel with good astigmatism effect and good light extraction efficiency.
Owner:AMICC OPTO ELECTRONICS TECH

Assembled modular lamphouse

The invention relates to an assembled modular lamphouse, which is formed by assembling a plurality of light emitting modules according to arrays, wherein each light emitting module comprises back light units, a box body and a power supply; a plurality of back light units are mutually spliced and arranged at a box body installing surface at the front side of the box body according to arrays, and are electrically connected with the power supply; each back light unit consists of an array lamp hole module, a light dispersion surface cover and a light source module; the array lamp hole module is also used for installing the light source module; the light dispersion surface cover is arranged at the front side of an array lens module; a surface cover connecting tongue and groove is in direct insertion connection with a base connecting tongue and groove; the light source module is arranged at the back side of the array lamp hole module, so that the light source at the front side of the light source module is positioned in a lamp hole formed in the base plate, and is fixed by a first screw base post at the back side of the base plate through screws. The assembled modular lamphouse has the advantages that the light emitting is uniform; the structure is simple; the installation and the maintenance are convenient; the requirement of outdoor application is met.
Owner:方迪勇

Novel hemispheroid-like wind-driven bird dispeller

The invention relates to a novel hemispheroid-like wind-driven bird dispeller. The novel hemispheroid-like wind-driven bird dispeller comprises a stainless steel supporting rod of the bird dispeller, wherein a bearing which horizontally rotates is fixedly mounted at the top end of the supporting rod; a hemispheroidal stainless steel umbrella cover is fixedly mounted on the bearing; a plurality of grooves which extend downwards from the top end along the hemispheroidal surface are formed in the upper surface of the stainless steel umbrella cover; a clamping groove of which an opening is leftward is formed in the lower end of the supporting rod; a bolt used for fixing the supporting rod is mounted at the bottom of the clamping groove. The novel hemispheroid-like wind-driven bird dispeller has the advantages that a working principle is simple, wind power serves as a power source, and a structure of rotating by using the bearing as the center is adopted; meanwhile, the bird dispeller is hemispheroidal and is simple and firm in structure, and a strong light scattering area is formed; birds cannot stay on the smooth surface and can be scared; the bird dispeller is unlikely to age and convenient to mount, the service life is prolonged, the bearing adopts a damping technology, and high-level typhoons are resisted.
Owner:STATE GRID CORP OF CHINA +1

High-reflectance LED backlight plate

The invention relates to a high-reflectance LED backlight plate. The high-reflectance LED backlight plate comprises black and white double-faced adhesive tape, an upper rhombus piece, a lower rhombus piece, a diffusion film, a light guide plate, an adhesive frame and a reflection film which are arranged sequentially from top to bottom in an overlapped mode, wherein a flexible circuit board is arranged at the top of the light guide plate and provided with LED lights, and the periphery of the light guide plate is completely surrounded by a white reflection framework. The reflectance of the LED backlight plate is high.
Owner:AMICC OPTO ELECTRONICS TECH

Method for forming assembled modular lamp box

The invention relates to a method for forming an assembled modularized lamp box. The method comprises the steps of firstly forming backlight units by array lamp hole modules installed together with light source modules, light diffusing masks installed on the front sides of the array lamp hole modules and light source modules installed on the rear sides of the array lamp hole modules, then mutuallysplicing and mounting a plurality of backlight sources on the box body mounting surface on the front side of the box body in an array way, wherein all the backlight unitss are connected with a powersupply to form a light-emitting module, then a plurality of light-emitting modules are spliced in an array way to form the assembled modular lamp box, and the light-emitting modules are fixedly connected with a supporting frame through fixing mechanisms on the rear side of the box body. The modular lamp box formed by the method not only has the advantages of being uniform in light emission, simplein structure, convenient to mount, repair and maintain, but also meets the demand for outdoor application.
Owner:方迪勇

Backlight unit and light-emitting module of spliced module lamp box

The invention relates to a backlight unit and a light-emitting module of a spliced module lamp box. The backlight unit is composed of an integrated lens module mounted along a light source module andthe light source module, wherein the integrated lens module is composed of a lens substrate, a plurality of light inlets arranged on the rear side of the lens substrate and uniformly distributed according to an array, concave spherical surfaces on the bottoms of the light inlets, a plurality of first bolt base columns arranged on the rear side of the lens substrate, having certain intervals, and distributed on the rear side of the substrate, and second bolt base columns on the rear side of the substrate, the light source module is mounted at the rear side of the lens substrate, so that light sources are placed at the light inlets, and screw fixing is realized by the first bolt base columns on the rear side of the substrate. The light-emitting module comprises the backlight units, and further comprises a box, the plurality of backlight units are mounted on the front side of the box in a splicing manner according to an array, screw fixing is realized through screw holes in the mounting face and second bolt base column bolts on the rear side of the substrate, and thus the light-emitting module is formed. The backlight unit and the light-emitting module have the advantages that the light emission is uniform, the maintenance is convenient, etc.
Owner:湖南凯星电子科技有限公司

Manufacture equipment of rainbow tube

The invention discloses manufacturing equipment of a rainbow tube, which is primarily characterized in that: a die head comprises an aligning shaft (12), a die core (15), a die barrel (16), inner core positioning dies (17) and dies (18), wherein, the die core is sheathed on the aligning shaft and sheathed into the die barrel, the inner core positioning dies are installed on the die core detachably, the dies are installed on the core barrel detachably, the die barrel is connected and communicated with a feed barrel of an extruder through a discharge port, two diffluent channels (19 and 21) are arranged on the die core, an included angle is formed by the two diffluent channels, the entry ends of the two diffluent channels are connected and communicated with the feed barrel through a through hole and the discharge port on the die barrel, and the exit ends of the two diffluent channels are connected and communicated with the channels of the dies. The inner core and outer sheath of the rainbow tube can be completed together on a set of equipment only by changing the inner core positioning dies and dies with different calibers as the detachable inner core positioning dies and dies are adopted, furthermore, plastics are not easy to stack in the die head, thus being characterized by quick discharge and high production efficiency.
Owner:温州岳虹塑料机械有限公司

Cyclobutane tetracarboxylic dianhydride preparation device

The invention belongs to the technical field of cyclobutane tetracarboxylic dianhydride preparation, and particularly relates to a cyclobutane tetracarboxylic dianhydride preparation device. In orderto solve the problems that the cyclobutane tetracarboxylic dianhydride preparation device is more in by-products, is poor in production quality and is great in pollution, the invention discloses the following scheme: the cyclobutane tetracarboxylic dianhydride preparation device comprises a mixing tank, a nitrogen gas tank and an ultrasonic constant-temperature tank, wherein the top outer wall ofthe mixing tank is fixedly rpovided with a drive box through a bolt; one side of the top inner wall of the drive box is provided with a servo motor; the other side of the top inner wall of the drive box is fixedly provided with a stirring rod through a bearing; the outer walls of the two sides of the stirring rod are provided with spring strips; and the bottom outer walls of the spring strips areadhered to floating blocks. The cyclobutane tetracarboxylic dianhydride preparation device can achieve the liquid-seal effect, effectively prevents strong pungent odour and a raw material containing toxic maleic anhydride from polluting the environment and harming body health, strengthens light diffusing effect of a high-voltage mercury lamp, improves photo-reaction efficiency of cyclobutane tetracarboxylic dianhydride preparation, flows a water source in a circulating mode, and achieves the water-cooling effect at the same time.
Owner:山东德晨能源科技有限公司

Light diffusion module of backlight source

The invention relates to a light diffusion module of a backlight source, which comprises a diffuser and a lens integrated block, wherein the diffuser is formed by integrating a diffuser plate and a diffuser side plate. The lens integrated block is composed of a substrate, a plurality of backward-protruding basin-shaped convex blocks with square basin-shaped structures orderly arranged in an arraymanner which are positioned at the rear side of the substrate, and lamp holes which are arranged on the rear side of each basin-shaped convex block and have a basin bottom part which is recessed forwards; a spherical structure is positioned at the bottom of the lamp holes; protective walls are arranged around all the lamp holes and protrude backwards; a stopper is arranged around the substrate andprotrudes from the periphery; first screw hole pillars on the plurality of lens integrated blocks which are arranged at the rear side part and protrudes backwards are integrated into a transparent solid block. The lens integrated blocks are mounted on the rear side of the diffuser; and the substrate is embedded into the space enclosed by the diffuser side plate. The light scattering module can realize shadowless splicing; and the light diffusion module of the backlight source has the advantages of simple structure, convenience in installation, low manufacturing cost, high light transmission efficiency, capability of realizing waterproofing and the like.
Owner:湖南凯星电子科技有限公司

Automobile lampshade with light scattering function

The invention discloses an automobile lampshade with a light scattering function. The automobile lampshade comprises a lampshade body, a data controller made of high-temperature-resisting materials is mounted on one side of the lampshade body, a lamp hole switch data line, a diffuser telescopic data line and a light scattering remote sensing data line are arranged on the side face of the data controller and are all in signal connection with the data controller, an automobile lampshade body made of waterproof anti-collision materials is arranged on one side of the lampshade body, an automobile lamp made of an aluminum alloy material is mounted in the automobile lampshade body, light in the automobile lampshade can be sufficiently refracted, the light effect of the automobile lampshade can be reinforced, traveling safety of a driver at night is ensured, meanwhile, a transparent three-edge blade and a remote sensing ball are arranged on the outer surface of the automobile lampshade, and the light scattering performance of the automobile lampshade can be improved.
Owner:WM MOTOR TECH GRP CO LTD

Manufacture equipment of rainbow tube

The invention discloses manufacturing equipment of a rainbow tube, which is primarily characterized in that: a die head comprises an aligning shaft (12), a die core (15), a die barrel (16), inner core positioning dies (17) and dies (18), wherein, the die core is sheathed on the aligning shaft and sheathed into the die barrel, the inner core positioning dies are installed on the die core detachably, the dies are installed on the core barrel detachably, the die barrel is connected and communicated with a feed barrel of an extruder through a discharge port, two diffluent channels (19 and 21) arearranged on the die core, an included angle is formed by the two diffluent channels, the entry ends of the two diffluent channels are connected and communicated with the feed barrel through a throughhole and the discharge port on the die barrel, and the exit ends of the two diffluent channels are connected and communicated with the channels of the dies. The inner core and outer sheath of the rainbow tube can be completed together on a set of equipment only by changing the inner core positioning dies and dies with different calibers as the detachable inner core positioning dies and dies are adopted, furthermore, plastics are not easy to stack in the die head, thus being characterized by quick discharge and high production efficiency.
Owner:温州岳虹塑料机械有限公司

Supporting shell and surface cover for modular lamp box

The invention relates to a supporting shell and surface cover for a modular lamp box. The supporting shell is a long-strip-shaped aluminum profile integrally formed by a shell base plate, a pluralityof parallel and uniformly-arrayed lamp grooves formed in the rear side of the shell base plate in the length direction, two parallel fixed clamp grooves formed in the rear side of the shell base platein the length direction, connecting lugs arranged at the edges of the two sides of the shell base plate on the shell with clamping positions and a plurality of clamping grooves formed in the shell base plate in the length direction and provided with groove openings facing forwards. The supporting shell has the advantages of being good in heat dissipation, simple in structure, convenient to manufacture and the like. The surface cover 2 is matched with the supporting shell and is a long-strip-shaped plastic profile with a U-shaped cross section, the long-strip-shaped plastic profile is internally formed by a panel, surface cover side plates protruding backwards at the two sides of the panel and clamping devices arranged on side plate bodies at the rear sides of the surface cover side plates. The surface cover has the advantages of being simple in structure, convenient to manufacture and the like.
Owner:方迪勇

Straight-down-type slab backlight source

PendingCN110043828AObvious edgeObvious dark linesGlobesCoatingsLight dispersionLight reflection
The invention relates to a straight-down-type slab backlight source. The straight-down-type slab backlight source comprises a conical reflecting cover, a light dispersion plate and a lamp plate, wherein the conical reflecting cover is integrally formed by multiple conical cavities which protrude backwards, and are connected mutually and uniformly distributed in an array, lamp holes formed in the conical top face part of the reflecting cover, and protection edges surrounding the peripheries of the lamp holes in the reflecting cover; the light dispersion plate is installed at the front side of the conical reflecting cover; the lamp plate is installed in the protection edges on the reflecting cover; light reflection layers coat the conical inner walls of the conical cavities; when the lamp plate is installed in the protection edges of the reflecting cover, a light emitting body of a light source penetrates through the lamp holes in the reflecting cover; light emitted by the light source is reflected and refracted on the light dispersion plate through the conical inner wall, and uniform light is emitted at the front side of the light dispersion plate after the light passes through thelight dispersion plate; through the overall and edge-free structure with the conical cavities which are uniformly distributed in an array, the light emitted by the light source is uniformly emitted onthe light dispersion plate, no dark edges exist, and display equipment capable of achieving large-area light emitting can be made through splicing.
Owner:湖南凯星电子科技有限公司

Flat backlight

InactiveCN110045543AObvious edgeObvious dark linesNon-linear opticsConical cavityReflective layer
The invention relates to a flat backlight, which comprises light-scattering plates, a conical reflector and a light bar. The conical reflector of the flat backlight is integrally formed by a pluralityof conical cavities, light holes and light troughs, wherein the multiple conical cavities protrude backwards, are connected to one another and uniformly distributed according to an array, and have backward conical top faces, the light holes are formed in reflectors at the conical top face parts, and the light troughs surround the reflectors of each row or each column of the conical top faces; theconical inner walls of the conical cavities are coated with reflective layers, a connection mechanism on a plurality of light-scattering plates is arranged on the positions, near the edge parts, around the rear sides of the light-scattering plates, and a connection mechanism on the reflectors is arranged on the positions, near the edge parts, around the conical reflectors; and light strips are mounted in the light troughs 25 on the reflectors, light of light sources on the light strips penetrate through the light holes in the reflectors, and the light-scattering plates are installed on the front sides of the conical reflectors and fixed through the connecting mechanism on the light-scattering plates and the connecting mechanism on the reflectors. According to the technical scheme, the light emitted by the light sources shine evenly on the light-scattering plates without dark edges, after being spliced together, obvious edge lines and dark fringes can also be avoided, and display equipment with large-area luminescence can be made by splicing.
Owner:湖南凯星电子科技有限公司

High light-transmittance and high light-shielding polystyrene composition and preparation method of composition

The invention relates to the technical field of polystyrene composition, particularly to high light-transmittance and high light-shielding polystyrene composition. The high light-transmittance and high light-shielding polystyrene composition is prepared from the following materials by weight: 98.2%-99.6% of polystyrene, 0-1% of silicon light diffusing agent, 0.1-0.2% of a lubricating agent, 0.1-0.2% of a dispersing agent, 0.1-0.3% of antioxidant A and 0.1-0.2% of antioxidant B. The preparation method comprises the steps of uniformly agitating the constituents except for polystyrene by a high-speed mixer; putting the polystyrene and the uniformly mixed materials into the high-speed mixer to carry out three-segment agitation, and extruding and pelletizing the uniformly mixed materials by a double-screw extruder. The polystyrene composition disclosed by the invention is high in light transmittance, high in light shielding property, good in impact strength, good in balance of haze and light transmittance, high in structure strength of the prepared product, simple in process, low in production cost and beneficial for generalization and application.
Owner:GUANGDONG SILVER AGE SCI & TECH CO LTD

A light guide plate with a positioning structure and its molding process

The invention discloses a light guide plate with a positioning structure. The light guide plate comprises a light guide plate body. The middle of the lower end of a fixed block is connected to the upper end of an arc slot through a limit hole, and the fixed block matches the arc slot. The left and right sides of the upper end of the light guide plate body are provided with transparent blocks. The left and right sides of the lower end of the light guide plate body are provided with limit slots matching the transparent blocks. The cavity of each limit slot is internally provided with a groove matching a bulge. Light dispersion holes are vertically arranged at equal intervals in the cavity of the light guide plate body. A hollow slot vertically intersecting with the light dispersion holes is transversely arranged in the cavity of the light guide plate body. A forming process of the light guide plate with a positioning structure is simple. The effect is more obvious, and maintenance is simple. Compared with the existing light guide plate, the light dispersion effect is improved, the plate takes up a small space, the work efficiency is high, the light color or the light guide plate can be easily changed at any time according to the circumstance, the structure after splicing is simple, and the light guide plate is easy to manufacture and is worth wide use in the future.
Owner:滁州佳宏光电有限公司

Preparation method for integrally sealed LED (light-emitting diode) light with diffuser

The invention discloses a preparation method for integrally sealed LED (light-emitting diode) light with a diffuser, which is characterized by comprising the following steps: an optical source is manufactured; a first conductive bracket and a second conductive bracket are electrically connected with two opposite ends of an LED (light-emitting diode) wafer through an alloy wire; the optical sourceis arranged in a light-transmitting die; the light-transmitting die is provided with a first cavity; the top part of the first cavity is opened; UV (ultraviolet) photocuring glue is injected in the light-transmitting die; then photocuring is implemented on the light-transmitting die to form a sealed LED body provided with the diffuser; the sealed glue of the formed LED light is demoulded; then a metal film is coated on the inside surface of the diffuser in a vacuum coating way; and the metal film on the position of the diffuser corresponding to with the optical source is carved by an laser engraving machine; therefore, the integrally sealed LED (light-emitting diode) light with the diffuser is obtained. The preparation method for integrally sealed LED (light-emitting diode) light with thediffuser not only is simple to be manufactured, but also has strong practicality.
Owner:汕头市固迪诗新材料有限公司

LED light bar

The invention relates to an LED light bar which comprises a circuit substrate, a thermal insulation material layer, a minitype cooling fan, a light bar and a light diffusing cover, wherein the thermal insulation material layer is arranged between the circuit substrate and the light bar; the minitype cooling fan is positioned on the thermal insulation material layer; the light diffusing cover is arranged at the lower end of the light bar; two bending angles A and B are positioned on two sides of the light diffusing cover; the bending angle A close to the light bar is 120 degrees; and the bending angle B far away from the light bar is 140 degrees. The LED light bar is provided with the minitype cooling fan to cool the light bar, so that the service life of the LED light bar can be prolonged; and in addition, the light diffusing cover is arranged to increase the light diffusing effect of the LED light bar by multiple times.
Owner:ZHONGSHAN HIGH END TECH SERVICE CO LTD

A kind of cyclobutane tetracarboxylic dianhydride preparation device

The invention belongs to the technical field of cyclobutane tetracarboxylic dianhydride preparation, in particular to a cyclobutane tetracarboxylic dianhydride preparation device, aiming at the problems of many by-products, poor production quality and serious pollution in the cyclobutane tetracarboxylic dianhydride preparation device , the following scheme is now proposed, including a mixing tank, a nitrogen tank and an ultrasonic incubator. The top outer wall of the mixing tank is screwed with a drive box, and one side of the top inner wall of the drive box is provided with a servo motor, and the other side of the top inner wall of the drive box is The side is fixed with a stirring rod through a bearing, and the outer walls of both sides of the stirring rod are provided with spring bars, and the outer walls of the bottom of the spring bars are bonded with buoyancy blocks. The invention can achieve the effect of liquid seal, effectively avoid the phenomenon that the maleic anhydride raw material with strong irritating smell and toxicity will pollute the environment and damage human health, enhance the astigmatism effect of the high-pressure mercury lamp, and improve the The light reaction efficiency of the formic dianhydride preparation, and the water source circulates to achieve the effect of water cooling.
Owner:山东德晨能源科技有限公司
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