JPS59154146A - Middle-fold type crushing method and apparatus fof waste fluorescent lamp - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method and apparatus for crushing old fluorescent lamps, generally at the end of their lifespan, and more particularly to an arm that can be folded up and down from a central portion. The present invention relates to a method and apparatus for crushing a fluorescent lamp using a receiving section having a receiving section.

When a fluorescent lamp reaches the end of its lifespan, there are the following problems in disposing of the used fluorescent lamp.

(1) If the fluorescent lamp is damaged during removal or transportation, mercury vapor and glass fragments may pose a hazard to humans.

(2) In order to prevent the fluorescent lamps from being damaged during storage, it is necessary to insert each fluorescent lamp one by one into a paper tube for storage, just as with new fluorescent lamps, which is inefficient and increases cost.

(3) If a large number of fluorescent lamps are crushed at the same time, a large amount of highly concentrated harmful gas will be generated, and the equipment required to detoxify it will be enormous.

Therefore, used fluorescent lamps are crushed at their source using safe working methods, and the harmful gases are extracted and rendered harmless, resulting in a unit of quantity that can at least provide an economical transportation effect in a reduced volume state. It is desirable to transport all waste in bulk to a recycling factory or waste treatment plant. If such a treatment method and distribution system can be realized, it will not only be possible to prevent pollution, but also be economically advantageous by improving workability, simplifying treatment equipment, and reducing distribution costs.

Therefore, the crushing of fluorescent lamps must be carried out in a simple and safe manner, and the crushing equipment must have a structure that ensures work safety, is small and lightweight, and is highly portable and maneuverable. It is desirable to do so.

The present invention has been made in view of the above points, and an object of the present invention is to safely crush a fluorescent lamp by a method with good workability,
It is an object of the present invention to provide a method and apparatus capable of reducing the volume, storing fragments, and removing fine powder harmful substances generated during crushing.

Another object of the present invention is to provide a method and apparatus that can safely collect and transport crushed glass pieces for recycling.

Still another object of the present invention is to provide a waste fluorescent lamp crushing device that is small, lightweight, and highly portable and maneuverable.

The method for crushing waste fluorescent lamps according to the present invention is to introduce a fluorescent lamp into a fluorescent lamp receiving part having two arms that can be folded up and down from the center part, and each arm is folded in a tilted state. The feature is that the fluorescent lamp is bent and broken, and the fragments of the fluorescent lamp are allowed to fall under their own weight to a crushing device in the center for further crushing treatment.

It is preferable that the air in the receiving section is kept generally shut off from the outside air at all times even while the arm performs the up-and-down movement.

Furthermore, the waste fluorescent lamp crushing apparatus according to the present invention has two arms that can be folded down in a 1-a manner from the center part, and has an entrance door that receives the fluorescent lamp and an exit that discharges the fluorescent lamp. a fluorescent lamp receiving guide section provided with a door; a crushing device for crushing the fluorescent lamp discharged from the exit door; a container for storing fragments after being crushed; A housing that communicates between an exit door and an inlet of the container, and a frame that integrally supports the guide section, the crushing device, and the housing, and the exit door is in a straight state with each arm extending in a horizontal direction. The guide section is closed and opened in a bent state with each arm tilted, and the guide section accepts the fluorescent lamp from the entrance door in the straight state and bends and breaks the fluorescent lamp in the bent state, and the broken piece is released. It is characterized by being made to fall from the exit door to the crushing device in the center by its own weight.

It is desirable to provide a seal portion between the guide portion and the housing to keep the air in the guide portion and the housing generally shut off from the outside air at all times while the arm performs the up-and-down movement.

As a further preferred embodiment, the present invention can be constructed by combining a suction device, a filter, a harmful substance adsorption device, etc., which suck out harmful substances such as mercury generated when the fluorescent lamp is crushed.

The method and apparatus of the present invention can be applied to various sizes of objects, such as when the object to be crushed is a straight fluorescent lamp, a circle tube, a spherical tube, a thermometer, a mercury lamp, etc. It can be implemented in various ways depending on the shape, strength, etc.

Other objects, features and advantages of the invention will become apparent from the following description with reference to the embodiments of the accompanying drawings.

FIG. 1 shows a preferred embodiment of a waste fluorescent lamp crushing device according to the invention, which device has two arms 11, 12 which can be raised and lowered in a folding manner from a central portion, and which Entrance door 13 that accepts G and exit door 1 that emits fluorescent light
4 (Fig. 2).
0, a crushing device 15 for crushing the fluorescent lamp emitted from the exit door, a container 16 for storing the crushed fragments, and a housing 17 surrounding the crushing device and communicating the exit door 14 and the entrance of the container 16. and a frame 18 that integrally supports the guide section, the crushing device, and the nozzling. An opening/closing type entrance N13 is provided on the side or top surface of the guide part 10, and the entrance door is opened and an appropriate amount of fluorescent lamps G are put into the guide part, and then the entrance door is closed.

As can be seen from FIG. 2, the exit door 14 is configured such that each arm 11.12 is closed in a straight position extending horizontally and opened in a bent position with each arm slanting. In the straight state when the fluorescent lamp is inserted, the inside of the guide part and the crushing device are cut off, so there is no risk that the moment the fluorescent lamp is inserted, it will come into contact with the crushing device and fragments will fly out and cause harm to the human body.

After putting in the fluorescent lamp with the guide section straight, when the foot pedal 20 provided outside the frame is stepped on, the link mechanism lifts the connecting rod 21 in the direction of arrow A and rotates the arms 11 and 12 in the direction of B. make it move. The fluorescent lamp G is bent and broken when each arm reaches an inclined center-folded state, and the broken pieces move in the direction C due to their own weight and fall from the exit door 14 toward the crushing device 15 in the center. When a manual lever 22 provided outside the frame is operated, the crushing device 5 is operated to further crush the fragments of the fluorescent lamp. The fragments fall into the drum container 16 and are stored therein. This drum can 16 is a stand 2 with a cask.
3 and is removed from the device at the dumping site for the accumulated debris. The entire crushing apparatus may be a handcart using casters 24, or may be self-propelled using a battery mounted on the tower (not shown) or an external power source.

It is desirable to cover the center portion between both arms and above the crushing device 15 with a shingled cover 25 as necessary to prevent noise and scattering of fine powder during crushing.

The angle of inclination of the arms 11,12 can be selected as required. It is also desirable that each arm be removable from the central portion, and that the entire device be moved in a compact state with the arms housed in the frame.

The crushing device 15 can use various types of mechanical crushing mechanisms such as rotary type, piston type, vibration type, etc., as well as an ultrasonic device or the like. An example of a manual breaking mechanism is shown in FIGS. 2 to 4.

The crushing device 15 shown in FIG. 2 and FIG. Shred. The base portion 26 of the fluorescent lamp falls down along the side along the sloped shape of the upper surface of the fixed blade 2.7. Therefore,
If the container is made into a double structure 31, 32 by utilizing this, the glass part and the cap part can be stored separately.

The crushing device 15 shown in FIG. 4 has parallel grid-shaped fixed blades 3.
3 and a rotary blade 34 that rotates and slides in the gap between the fixed blades by rotating a manual handle 35 to shred the fragments of the fluorescent lamp.

Since harmful substances such as mercury are sealed inside fluorescent lamps, it is desirable to crush fluorescent lamps in a state where they are isolated from the atmosphere. For this purpose, the guide part 10 and the housing 1 are provided.
A seal portion may be provided between the second and second seal portions to keep the air in the guide portion and the housing generally shut off from the outside air at all times while the arms 11 and 12 perform the up-and-down motion.
(See Figure 4).

In FIG. 2, the arms 11, 12 each have a pivot point D
When it rotates about 1E and is in a straight state where each arm extends horizontally, the inner ends of both arms abut each other at position F to close off the exit door 14. On the lower surface of the inner end of the arms 11 and 12, there is an arc-shaped protrusion 3 centered at E.
7.38 is provided, and even if the arm is tilted and bent in the middle and the F position is released, the protruding and raised portions 37.38
slides in contact with a sealing member 30 attached to the λ housing 17, so that the air inside the guide section is generally kept blocked from the outside air.

In the example of FIG. 4, when the arms 11, 12 both rotate about the pivot point H to open and close the exit door 14, the protrusion 37.
38 and the seal member 30 to maintain airtightness.

As a further preferred embodiment of the present invention, as shown in FIG. 42 includes a filter 43 for removing dust and glass particles adhering to the surface of the fluorescent lamp, and a gas, liquid, or solid type mercury containing activated carbon, chelate resin, etc. that absorbs and stores mercury. Material adsorption device 4
It is desirable to arrange 4. The clean air that has passed through the suction device 41 is discharged from the exhaust section 45 to the outside of the frame.

The suction device 41 can also be placed between the filter 43 and the suction device 44.

In order to remove harmful substances remaining in the housing 17 after the operation of the crusher is completed, the suction device is desirably set to continue operating for several minutes after the crusher is stopped using a timer device.

As explained in detail above, according to the present invention, used fluorescent lamps can be shredded on the spot using a simple and safe method when being replaced. It is possible to eliminate the difficulty and danger of Furthermore, it is possible to prevent a large amount of harmful gas from being generated at the same time, and the crushed glass pieces and metal pieces can be transported as they are to a recycling factory. In this way, it not only prevents pollution, but also improves work efficiency and simplifies treatment equipment.
Reducing logistics costs and recycling resources, etc. (This will also bring economic benefits, and the effects are extremely remarkable.

[Brief explanation of the drawing]

FIG. 1 is a front view of the fluorescent lamp crushing apparatus according to the present invention, FIG. 2 is a vertical sectional view of the central part of the receiving guide, and FIG.
FIG. 4 is a horizontal cross-sectional view of the crushing device shown in the figure, and FIG. 4 is a vertical cross-sectional view of the central portion of the receiving guide according to another embodiment. 10...Acceptance guide part 11.12...Arm 13...Entrance door 14...Exit door 15...Crushing device 16...Container 17...Housing 18...Frame G...・Fluorescent lamp patent applicant
Akira Nakamura Agent, Patent Attorney Takahiro Ninomiya/Zuzaku, 2 Zuhada 3 Diagram #,! i figure

Claims (1)

[Scope of Claims] 1. A fluorescent lamp is inserted into a fluorescent lamp receiving part having two arms that can be folded up and down from the center part, and the fluorescent lamp is bent so that each arm is tilted and folded in the middle. A method for crushing a waste fluorescent lamp by breaking it and allowing the fragments of the fluorescent lamp to fall under their own weight into a crushing device in the center for further crushing. 2. The crushing method according to claim 1, wherein the fluorescent lamp is crushed while keeping the air in the receiving section generally blocked from the outside air at all times while the arm performs the up-and-down movement. 3. A fluorescent lamp receiving guide section which has two arms that can be folded up and down from the center and is provided with an entrance door that receives the fluorescent lamp and an exit door that emits the fluorescent lamp, and the exit. a crushing device for crushing the fluorescent light emitted from the door; a container for storing the crushed fragments; a housing surrounding the crushing device and communicating the exit door with the population of the container; and the guide portion. and a frame that integrally supports the crushing device and the housing, and the exit door is configured to be closed in a straight state in which each arm extends in a horizontal direction and opened in a bent state in which each arm is inclined. E6. The guide part accepts the fluorescent lamp from the entrance door in the straight state, bends and breaks the fluorescent lamp in the bent state, and causes the broken pieces to fall by its own weight from the exit door to the crushing device in the central part. A folding type crushing device for waste fluorescent lamps, characterized in that the device is designed to be compressed. 4. A seal part is provided between the guide part and the housing to keep the air in the guide part and the housing generally shut off from the outside air at all times while the arm performs the up-and-down movement.Claim f:g3 Apparatus described in section. 5. The device of claim 3 or 4, wherein each arm is removable from the central portion. 6. The device according to claim 3, wherein each of the arms is configured to perform a raising and lowering operation via a link mechanism by operating means attached to the outside of the frame. 7. The device according to claim 3, wherein the crushing device crushes the fluorescent lamp between the lattice-like protrusions by operating means attached to the outside of the frame. 8 The frame includes a suction device that suctions harmful substances present in the housing, a filter and a harmful substance adsorption device arranged in a passage path of the air sucked by the suction device, and a device that absorbs the air after passing through the suction device. The device according to claim 3, further comprising an exhaust section for discharging the air.