171results about "Tube/lamp material recovery" patented technology

To reuse glass used in a flat panel display, processing suitable for global environment such as processing of separating a lead component must be realized. A disassembly processing method for a flat panel display having a structure in which a face plate and rear plate mainly containing glass are airtightly joined via a frame with frit glass is characterized by including the step of separating the face plate and rear plate joined with the frit glass. The separation step is characterized by separating the face plate and rear plate by cutting, dissolution, or melting.< / PTEXT>

A gas recovery and reuse / recycle method is disclosed which can readily and economically recover valuable and / or environmentally hazardous gases from a manufacturing or chemical process and then return the gas to the process for reuse, and repeat this many times without significant contamination or degradation of the gas or the produced products. All gas transport, compression and storage equipment is designed and maintained so that it is non-contaminating to the process gas. Commonly the process gas will be a Group VIII gas, preferably He, Ne, Kr or Xe, or a gas which comprises a hazard to the ambient environment or beings therein, such as a carbon oxide gas, a halocarbon gas, an acid-precursor gas, a biologically hazardous gas, or a radioactive gas.

The present invention is a method and material for using a sorbent material to capture and stabilize mercury. The method for using sorbent material to capture and stabilize mercury contains the following steps. First, the sorbent material is provided. The sorbent material, in one embodiment, is nano-particles. In a preferred embodiment, the nano-particles are unstabilized nano-Se. Next, the sorbent material is exposed to mercury in an environment. As a result, the sorbent material captures and stabilizes mercury from the environment. In the preferred embodiment, the environment is an indoor space in which a fluorescent has broken.

The invention relates to a disassembly method for recycling a liquid crystal display (LCD) and a device thereof. The steps of the method comprise: a panel of the liquid crystal display is provided; a first side of the panel is positioned; the first side of the panel is cut; a first rotation of the panel is carried out and a second side of the panel is cut, thus being beneficial to sorting a first material and a second material of the panel. The invention is mainly characterized in that an automatic edge-cutting device is adopted to cut the structure at the assembly part of the LCD panel so as to ensure that resources and items made of different materials in the panel are separated from each other and lay a foundation for the followed sorting and recycling of resources and deal with the situation that large quantity of LCD appears in future. In addition, compared with the traditional method which adopts manpower and power-driven tools, the method of the invention saves time consumption nearly 10 times.

An automatic picture tube cutting machine is provided. The machine includes a transporting mechanism for transporting a tray carrying a picture tube into a moving-up-and-down base, which automatically adjusts the vertical position of the picture tube based upon its size. The machine also includes a positioning and cutting device wherein a plurality of clamp units cooperatively set tungsten heating filaments in contact with the picture tube to circumscribe that picture tube at a preset cutting height. Upon heating via the tungsten heating filaments and subsequent cool water quenching, the picture tube is broken at its circumscribed portion into separated front and rear stages.

A leaching composition that substantially removes lead from solid materials and a method of using said composition. Preferably, the concentration of lead in the solid materials following processing is low enough that the solid materials can be reused and / or disposed of at minimal cost to the processor. Preferably, the solid materials comprise glass, such as cathode ray tube glass.

A manufacturing method and dismantling method of a plasma display device are disclosed. These methods can bond a panel to a holder reliably, and can separate the panel and holder easily upon scrapping a plasma display device. The manufacturing method comprises steps of: (a) bonding one of adhesive layers, which are provided on both surfaces of an adhesive sheet consisting of a porous insulating sheet, to a panel holder, to bond a rear surface of a panel to the holder, and (b) bonding another adhesive layer to a rear surface of the panel. And, the dismantling method comprises the step of separating the panel from the holder by cutting the porous insulating sheet of the adhesive sheet.

The invention relates to a resource recycle method for waste tubes, and the technique method is as follows: pouring the waste tubes into a crusher for crushing under the negative pressure; delivering the mixture after crushing into a material receiving box; sucking the waste gas into a condensing system by an exhaust fan arranged on the top of the material receiving box for separating mercury and fluorescent powder; wherein, mercury can be recycled by a vacuum heater; the glass after crushing and the metal materials are sent to a magnetic separator for separating the glass from the metal; the separated metal is sent to a washing machine for recycling the metal by third-stage reverse current spraying washing. The invention can effectively recycle the fluorescent powder, mercury and metal, thus realizing up-to-standard discharge of waste water, waste liquid and waste gas.

In an eco-friendly method of recycling a fluorescent lamp capable of reducing energy consumption and a recycling apparatus for performing the recycling method, broken pieces of fluorescent lamps are heated at a temperature of about 100 DEG C to about 330 DEG C to form a gas containing a mercury vapor. The gas containing the mercury vapor is cooled at a temperature of about -38 DEG C to about 0 DEG C to form a liquid mercury. The liquid mercury is collected. Therefore, the broken pieces of the fluorescent lamps are heated at the temperature no higher than the boiling point of mercury so that an energy consumption and a size of the recycling apparatus are decreased, and a probability for the recycling apparatus to malfunction may also be decreased.

Method for recovery of rare earths from fluorescent lamps. The method comprises six steps. The individual process steps are: Mechanical separation of coarse components. Separation of the halophosphate. Extraction in acids of easily soluble rare-earth fluorescent substances (mainly Y, Eu-oxide) Extraction in acids of rare-earth fluorescent substances which dissolve with difficulty (for example rare-earth phosphates) Breakdown of the remaining components which contain rare earths (for example rare-earth-aluminates) Final treatment.

To reuse glass used in a flat panel display, processing suitable for global environment such as processing of separating a lead component must be realized. A disassembly processing method for a flat panel display having a structure in which a face plate and rear plate mainly containing glass are airtightly joined via a frame with frit glass is characterized by including the step of separating the face plate and rear plate joined with the frit glass. The separation step is characterized by separating the face plate and rear plate by cutting, dissolution, or melting.

The invention relates to a multifunctional separator for recycling of waste fluorescent lamps and belongs to the technical field of mechanical equipment for recycling of fluorescent lamps. The multifunctional separator comprises a separator shell, a vibrating groove, an electromagnet, a rotating air cylinder, a filter sieve and the like, wherein a feeding cylinder is arranged at the top of the separator shell; the rotating air cylinder is arranged at the top in the separator shell; the electromagnet is arranged on a piston of the air cylinder; the vibrating groove is formed below the feeding cylinder and the electromagnet; a fan port is arranged at one end of the vibrating groove; and the filter sieve is arranged at the other end of the vibrating groove. By adoption of the vibrating groove, the filter sieve and the electromagnet, broken materials can be separated quickly. The multifunctional separator solves the problem that waste materials are recycled difficultly because the conventional broken materials can not be separated effectively and quickly. When the broken materials are separated, fluorescent powder contained in the broken materials enters a fluorescent powder collecting device from a fluorescent powder collecting port to be collected, so that the environmental pollution is avoided and the multifunctional separator is particularly applicable to recycling of the waste fluorescent lamps.

A glass cutting apparatus (101) includes a pair of cutters (13a, 13b) installed oppositely to each other in such a way as to sandwich, therebetween, a glass plate with surfaces of the glass plate thereof being along a vertical direction; a first pressing unit (14a) which presses one of the cutters to one of the surfaces of the glass plate in a horizontal direction with a pressing force P; a second pressing unit (14b) which is placed oppositely to the first pressing unit and presses the other one of the cutters to the other surface of the glass plate in the horizontal direction with the pressing force P; and a moving unit (20) which moves the pair of cutters pressing the glass plate with the pressing force P.

The invention discloses a mobile waste lamp tube safety recycling processing method. Main processes of the method are as follows: a waste lamp tube goes into a sealed material barrel from a feed inlet and is broken, broken glass is collected in the material barrel, dust generated in a breaking process is removed through a two-stage filtering device, mercury-containing gas is adsorbed through sulfur containing activated carbon and is discharged safely. The invention also discloses a mobile waste lamp tube safety recycling processing device used for realizing the above method. The recycling processing device of the invention is small and flexible and can be flexibly moved to each community, institution, school, and office building to carry out onsite recycling, a problem of difficult tube recycling is solved, transportation cost is reduced at the same time, and dangers of breaking and mercury emission of the tube in a transportation process are avoided.

An effortless peeling operation is provided with maintaining the adhesion area required between a display panel and a chassis, which allows a disassembling operation for recycling and a parts replacement operation to be simplified. A plasma display apparatus includes a plurality of double-faced adhesive tapes 50 interposed between and adhering to the back surface of a display panel 1 and a chassis 3 for attaching the chassis 3 to the display panel 1. The double-faced adhesive tape 50 used has an adhesive strength smaller than a peel force produced by strain in a width direction caused by tension in a longitudinal direction, and the tape 50 is pulled in the longitudinal direction for peeling.

Method for recovery of rare earths from fluorescent lamps. The method comprises six steps. •The individual process steps are: Mechanical separation of coarse components. •Separation of the halophosphate. •Extraction in acids of easily soluble rare-earth fluorescent substances (mainly Y, Eu-oxide) •Extraction in acids of rare-earth fluorescent substances which dissolve with difficulty (for example rare-earth phosphates) •Breakdown of the remaining components which contain rare earths (for example rare-earth-aluminates) •Final treatment.

A method of recovering a rare earth constituent from a phosphor is presented. The method can include a number of steps (a) to (d). In step (a), the phosphor is fired with an alkali material under conditions sufficient to decompose the phosphor into a mixture of oxides. A residue containing rare earth oxides is extracted from the mixture in step (b). In step (c), the residue is treated to obtain a solution, which comprises rare earth constituents in salt form. Rare earth constituents are separated from the solution in step (d).

The invention relates to the improvement on an innocent treatment method for a mercury-containing waste tube. The method is characterized by comprising the following steps of: crushing the waste tube in water; performing at least three processes of washing, namely water washing, dilute nitric acid washing and water washing on the crushed tube in turn; separating and removing mercury on tube fragments; separating tube head metal from glass fragments through magnetic separation, wherein the whole treatment process is linked up in an airtight way and is performed in a sealed state; performing air draft guidance on gas emitted from the water surface under negative pressure; performing water and dilute nitric acid drip washing; and filtering and separating the mercury by using silver-carried activated carbon or sulfur-carried activated carbon, and discharging. The method has a simple and practical process, is energy saving, is suitable for automatic operation, and has the advantages of lowcost, simple and practicable process and the like; and by the method, the mercury is not released to the outside, and automatic treatment can be realized.

The present invention generally relates to a separation device for separating a PDP glass panel and an aluminum frame from a PDP (Plasma Display Panel) assembly (ie, an assembly composed of a PDP glass panel and an aluminum frame) and a control method thereof. The separation device includes: a workbench including an upper plate and a support portion supporting the upper plate (which supports the plasma display panel assembly), the PDP glass panel can be connected to the aluminum frame through a thermally conductive pad or an adhesive tape medium, and can be connected through the upper plate. At least a portion of the plate restricts the horizontal movement of the aluminum frame; a heater unit is provided on one side of the workbench for heating the plasma display panel assembly on the workbench; an actuator is mounted to the upper plate of the workbench At least two parts, a separation force can be applied to the PDP glass panel of the plasma display panel assembly through a shock absorbing member medium; and a control panel, which is electrically connected to the heater unit and the actuator.

Here disclosed is a method of manufacturing a plasma display device in which a panel is easily separated from a holding plate if the separation is required. In the method of manufacturing a plasma display device having a panel, in which a pair of substrates having transparency at least on the front side is oppositely disposed so that discharge space and discharge cells are formed between the substrates, and a metallic holding plate that supports the panel via a thermal conductive member, the present invention employs a thermal conductive member made of a pull-to-remove adhesive. The adhesive is applied to the panel or the holding plate, and the panel and the holding plate are put together. After that, the adhesive is cured by application of pressure and heat.

A glass cutting apparatus (101) includes a pair of cutters (13a, 13b) installed oppositely to each other in such a way as to sandwich, therebetween, a glass plate with surfaces of the glass plate thereof being along a vertical direction; a first pressing unit (14a) which presses one of the cutters to one of the surfaces of the glass plate in a horizontal direction with a pressing force P; a second pressing unit (14b) which is placed oppositely to the first pressing unit and presses the other one of the cutters to the other surface of the glass plate in the horizontal direction with the pressing force P; and a moving unit (20) which moves the pair of cutters pressing the glass plate with the pressing force P.

The invention relates to a method and device for separating and recovering mercury. By cutting off both ends of a lamp tube of a waste fluorescent lamp and peeling off a phosphor film formed on the inner surface of the lamp tube, phosphor powder containing mercury is recovered. Adding an organic reducing agent to the recovered phosphor powder and heating it to perform dry heating reduction treatment to vaporize and separate mercury from the phosphor powder. This vaporized mercury is condensed and recovered.

A method of recovering a rare earth constituent from a phosphor is presented. The method can include a number of steps (a) to (d). In step (a), the phosphor is fired with an alkali material under conditions sufficient to decompose the phosphor into a mixture of oxides. A residue containing rare earth oxides is extracted from the mixture in step (b). In step (c), the residue is treated to obtain a solution, which comprises rare earth constituents in salt form. Rare earth constituents are separated from the solution in step (d).

An apparatus 12 for cutting a cathode ray tube 10 comprises a support means 14 for supporting the screen 16 of the cathode ray tube 10, first and second sensors 18,20 (shown in FIGS. 3 and 4) for determining the external dimensions of the screen 16, first and second spaced diamond cutting means 22,24, and displacement means 26 for moving the support means 14 relative to the diamond cutting means 22,24.

A safely disposable, mercury-containing lamp includes a component comprising an effective amount of materials to allow the lamp to safely be disposed of, the materials forming a tri-partite component comprising a divalent manganese compound, a copper containing compound and a compound selected from the group consisting of metallic silver and silver containing compounds.

In a method of cutting a plasma display panel, a front glass substrate and a rear glass substrate are sealed so as to face each other. The front glass substrate and the rear glass substrate are sandwiched between pairs of rotating cutters, and the pairs of rotating cutters are pressed onto the front glass substrate and the rear glass substrate to be in contact therewith so that the rotating cutters are run thereon in order to cut the substrates.