CN214813286U - Television screen fluorescent powder recovery system - Google Patents

Abstract

The utility model relates to a TV screen fluorescent powder recovery system, which relates to the technical field of waste electrical appliance recovery processing, and the technical proposal mainly comprises an operation table, a recovery pipe, a concentration pipe, a collection box, a negative pressure device and a first filter device, wherein a plurality of pieces are arranged side by side on the operation table, the air inlet of the negative pressure device is connected with the air outlet of the collection box, the air inlet of the collection box is communicated with the concentration pipe, the first filter device is arranged in the collection box, the air inlet and the air outlet of the collection box are respectively arranged at two opposite sides of the first filter device, one end of each recovery pipe is connected with the concentration pipe, the other end of each recovery pipe can be flexibly pulled to the operation table, the fluorescent powder on the CRT screen is sucked to the concentration pipe through the worker on each operation table, then is recovered to the collection box in a concentration way and is filtered by the first filter device, the filtered air flow is sucked to the negative pressure device, and discharged into a dust removal pipeline of the workshop. The method has the effect of improving the recovery efficiency of the fluorescent powder.

Description

Television screen fluorescent powder recovery system

Technical Field

The application relates to the technical field of waste electrical appliance recovery processing, in particular to a television screen fluorescent powder recovery system.

Background

At present, CRT televisions come to the earliest, and are very mature in technology after decades of development and perfection. The advantages of CRT tv sets are summarized mainly: high brightness, good contrast, bright color, large viewing angle, etc. China is a large country for producing CRT televisions and a large country for consuming the CRT televisions, the amount of discarded CRT televisions reaches tens of millions every year, and fluorescent powder in the CRT televisions belongs to dangerous waste articles and needs to be completely recycled.

The existing processing mode is as follows: each CRT cutting station is provided with an industrial dust collector and a set of negative pressure device, when the CRT realizes the separation of the screen cone, a cathode cover is taken, the floating fluorescent powder is recovered at a negative pressure air port, the fluorescent powder on the surface of the screen glass is recovered by the industrial dust collector, and then the fluorescent powder collected at each station is collected uniformly.

With respect to the related art among the above, the inventors consider that the following drawbacks exist: the recovery mode of above-mentioned technical scheme still needs to retrieve one by one on each station, has the problem that recovery efficiency is low, consequently needs to improve.

SUMMERY OF THE UTILITY MODEL

In order to improve the recovery efficiency of fluorescent powder, the application provides a television screen fluorescent powder recovery system.

The application provides a TV screen phosphor recovery system adopts following technical scheme:

the utility model provides a TV screen phosphor powder recovery system, includes operation panel, recovery tube, concentration pipe, collecting box, negative pressure device and first filter equipment, the operation panel is provided with a plurality of side by side, each all be provided with the recovery tube on the operation panel, each recovery tube all is connected with the concentration pipe, the concentration pipe is connected with the collecting box, first filter equipment sets up in the collecting box in order to be used for separating phosphor powder and air current, negative pressure device is connected with the collecting box in order to be used for extracting the collecting box in gaseous, negative pressure device and the connector of concentration pipe and collecting box are located first filter equipment's opposite both sides respectively.

Through adopting above-mentioned technical scheme, realize concentrating the recovery processing with the phosphor powder on each operation panel through setting up collecting box, vacuum device, concentrated pipe and recovery tube, first filter equipment will intercept the phosphor powder in the collecting box. The implementation mode is as follows: because the collecting box is communicated with the collecting pipes and the recovery pipes, when the negative pressure device extracts gas in the collecting box, one port of each recovery pipe far away from the collecting box is in a negative pressure state, fluorescent powder on the CRT screen is recovered through the negative pressure ports corresponding to workers on each operating platform operating each recovery pipe, the fluorescent powder is recovered to the collecting box through the collecting pipes in a centralized manner, the gas flow enters the negative pressure device after passing through the collecting box, and the fluorescent powder in the gas flow is intercepted by the first filtering device after the gas flow with the fluorescent powder enters the collecting box. Therefore, the recovery efficiency of the fluorescent powder can be improved.

Optionally, the first filtering device includes a plurality of filtering barrels arranged in the collecting box side by side, each filtering barrel is provided with a plurality of filtering holes, and each filtering barrel is combined to form a filtering barrier for intercepting the fluorescent powder.

Through adopting above-mentioned technical scheme, form through a plurality of filter vats and filter the barrier and realize intercepting phosphor powder, carry out high-efficient intercepting filterable purpose through each filter vat, the air current will be followed the filtration pore process and flowed to negative pressure device.

Optionally, the upper end of the collecting box is hinged to a cover body, and one end, far away from the hinged end, of the cover body is connected with the collecting box through a hasp.

Through adopting above-mentioned technical scheme, each filter vat of will being convenient for of setting of lid is installed to the collecting box in, perhaps takes out each filter vat from the collecting box, and the convenient connection that utilizes hasp to connect will be convenient for the installation of lid fixed.

Optionally, a box door is further hinged to one side of the collection box, and a locking device is arranged at one end, far away from the hinged end, of the box door.

Through adopting above-mentioned technical scheme, be provided with chamber door and locking device through the one side at the collecting box, user's accessible unblock locking device's locking effect opens the chamber door, strikes the filter vat in the collecting box and shakes the fluorescent powder in each filter vat and fall down, reduces the condition that the fluorescent powder blockked up the filtration pore, the concentrated recovery processing of the fluorescent powder of being convenient for.

Optionally, the outer side wall of the collecting box is provided with a vibration device.

Through adopting above-mentioned technical scheme, shake the setting through vibrator to the collecting box, and then drive each filter vat in the collecting box and shake, and then fall the phosphor powder vibrations on each filter vat.

Optionally, the lower end of the collecting box is provided with a discharging pipe, a turnover plate capable of controlling the discharging pipe to be turned on and off is arranged in the discharging pipe in a rotating mode, the axis of a rotating shaft of the turnover plate is arranged along the radial direction of the discharging pipe, and the rotating shaft of the turnover plate extends out of the discharging pipe.

Through adopting above-mentioned technical scheme, the operation will be taken out in the concentration of the fluorescent powder in the collecting box of being convenient for to the setting of discharging pipe and returning face plate, controls the break-make of discharging pipe through rotatory returning face plate, and is easy and simple to handle.

Optionally, the one end that the discharging pipe was stretched out in the pivot is fixed with the turning handle, be fixed with the guide post on the discharging pipe outer wall, be provided with an arc guide slot on the turning handle, arc guide slot arc center and pivot overlap the setting, the guide post slides and sets up in the arc guide slot, when the guide post supports respectively to the both ends of arc guide slot, the returning face plate is in the state of opening completely or closing completely respectively.

Through adopting above-mentioned technical scheme, through setting up the upset operation of turning handle so that the returning face plate, because the returning face plate is located the discharging tube, the user can not see the interior condition of discharging tube, consequently will be through setting up guide post and arc guide slot to in order to learn the current state of returning face plate according to the rotation angle of learning the turning handle.

Optionally, a second filtering device is further disposed between the collecting box and the negative pressure device, the second filtering device includes a filtering box and a plurality of filtering nets, the filtering nets are disposed in the filtering box side by side, an air inlet of the negative pressure device is communicated with an air outlet of the filtering box, an air outlet of the collecting box is communicated with an air inlet of the filtering box, and the air inlet and the air outlet of the filtering box are located on two opposite sides of the filtering nets respectively.

By adopting the technical scheme, the second filtering device is arranged between the collecting box and the negative pressure device, so that the gas entering the negative pressure device in the collecting box is filtered again, and the content of the fluorescent powder in the gas flow is reduced.

Optionally, a brush is arranged on the periphery of one end of each recovery pipe far away from the concentration pipe.

By adopting the technical scheme, the brush is arranged at the negative pressure port of the recovery tube, so that a user can conveniently remove the fluorescent powder on the CRT screen, and the recovery efficiency of the fluorescent powder is improved.

Optionally, each a port that the pipe is kept away from and is concentrated the pipe is all sealed to be provided with the rubber buffer for the recovery pipe.

Through adopting above-mentioned technical scheme, through be provided with the rubber buffer on each recovery tube, can stop the recovery tube that treats the use when need not using, reduce the unnecessary loss of atmospheric pressure in the concentrated pipe.

In summary, the present application includes at least one of the following beneficial technical effects:

the operating table, the recovery pipe, the concentration pipe, the collection box, the negative pressure device and the first filtering device are arranged to be matched to perform concentrated recovery of the fluorescent powder, so that the recovery efficiency of the fluorescent powder is improved;

through be provided with vibrator outside the collecting box, shake through vibrator and drop the phosphor powder on the filter vat, the concentrated recovery of the phosphor powder of being convenient for.

Drawings

FIG. 1 is a schematic view of the overall configuration of a recovery system in embodiment 1 of the present application;

FIG. 2 is a schematic sectional view taken along line A-A in FIG. 1;

FIG. 3 is an enlarged view of part A of FIG. 1;

fig. 4 is a schematic cross-sectional view of example 2 of the present application.

Reference numerals: 1. an operation table; 2. a recovery pipe; 3. a concentration pipe; 4. a collection box; 5. a negative pressure device; 6. a first filtering device; 7. fixing the rod; 8. a cover body; 9. a hasp; 10. a box door; 11. a locking device; 12. a discharge pipe; 13. a turnover plate; 14. a rotating shaft; 15. a handle is rotated; 16. an arc-shaped guide groove; 17. a guide post; 18. a second filtering device; 181. a filter box; 182. a filter screen; 19. a brush; 20. a rubber plug; 21. a vibration device; 22. a support frame.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a television screen fluorescent powder recovery system.

Example 1:

referring to fig. 1 and 2, the phosphor powder recycling system includes an operation table 1, recycling pipes 2, a collecting pipe 3, a collecting box 4, a negative pressure device 5 and a first filtering device 6, the operation table 1 is provided with a plurality of pieces side by side for a user to perform the recycling operation of the phosphor powder, an air inlet of the negative pressure device 5 is connected with an air outlet of the collecting box 4 for extracting the gas in the collecting box 4, the collecting box 4 is supported and fixed by a supporting frame 22, the air inlet of the collecting box 4 is communicated with the collecting pipe 3, the first filtering device 6 is arranged in the collecting box 4 for separating the phosphor powder from the gas flow, the air inlet and the air outlet of the collecting box 4 are respectively located at two opposite sides of the first filtering device 6, the recycling pipes 2 are arranged on the operation tables 1, in this embodiment, each recycling pipe 2 is provided as a flexible corrugated pipe, one end of each recycling pipe 2 is connected with the collecting pipe 3, the other end of each recovery tube 2 all can be pulled to operation panel 1 in a flexible way, and the workman through each operation panel 1 inhales the phosphor powder on the CRT screen to concentrated pipe 3 through recovery tube 2 on, then concentrates and retrieve to filter in first filter equipment 6 in collecting box 4, and the air current through the filtration is inhaled to negative pressure device 5 to discharge to the dust removal pipeline in workshop in, negative pressure device 5 sets up to high pressure positive blower in this embodiment.

Wherein, refer to fig. 1, fig. 2 shows, first filter equipment 6 includes that a plurality of sets up the filter vat in collecting box 4 side by side, a plurality of filtration pores of crossing have been seted up to the equipartition on each filter vat, each filter vat axis all is vertical setting, the dead lever 7 that is used for fixed filter vat is installed to each filter vat lower extreme, the filter vat is provided with two rows in this embodiment, two rows of filter vats all are provided with three, equal parallel arrangement of every row of filter vat lower extreme has two dead levers 7, arbitrary two adjacent filter vat outer walls all laminate and set up, and the filter vat on the edge and the inside wall laminating of collecting box 4 set up, so each filter vat will make up and form the filtration barrier of intercepting phosphor powder.

Further, referring to fig. 1 and 2, in order to facilitate the installation and fixation of each filter vat, the upper end of the collection box 4 is opened, the hinged cover at the upper end of the collection box 4 is provided with a cover body 8, one end of the cover body 8, which is far away from the hinged end, is connected with the collection box 4 through a hasp 9, a male buckle of the hasp 9 is fixed on the cover body 8, a female buckle of the hasp 9 is installed and fixed on the outer wall of the collection box 4, and when the cover body 8 is covered and arranged at the upper end of the collection box 4, the male buckle can be connected and fixed with the female buckle.

Referring to fig. 1 and 2, as part of the fluorescent powder is adhered to the filter vat, a box door 10 is further hinged to one side of the collection box 4, a locking device 11 is installed at one end, away from the hinged end, of the box door 10, the locking device 11 can be set to be a triangular lock, the box door 10 is convenient for a user to open the box door 10, then the filter vat in the collection box 4 is manually knocked, so that the fluorescent powder on each filter vat falls to facilitate collection and recovery of the fluorescent powder.

Referring to fig. 2 and 3, in order to facilitate recovery of fluorescent powder falling into the collection box 4, the lower end of the collection box 4 is funnel-shaped, a cylindrical discharge pipe 12 is mounted at the lower end of the collection box 4, a turnover plate 13 capable of controlling on-off of the discharge pipe 12 is rotatably mounted in the discharge pipe 12, the diameter of the turnover plate 13 is smaller than the inner diameter of the discharge pipe 12 by 1 cm to 2 cm, the axis of a rotating shaft 14 of the turnover plate 13 is arranged along the radial direction of the discharge pipe 12, one end of the rotating shaft 14 of the turnover plate 13 extends out of the discharge pipe 12, a plate-shaped turning handle 15 is fixed at the end of the rotating shaft 14 extending out of the discharge pipe 12, an arc guide groove 16 is formed in the turning handle 15, a guide post 17 sliding in the arc guide groove 16 is fixed on the discharge pipe 12, the arc center of the arc guide groove 16 is overlapped with the axis of the rotating shaft 14, the arc angle of the arc guide groove 16 is a right angle, when the guide post 17 slides to abut against any end of the arc guide groove 16, the flap 13 is in the state of completely opening or completely closing the tapping pipe 12, respectively, so that the operator can easily recognize the rotation of the flap 13 in the tapping pipe 12.

Referring to fig. 1 and 2, a second filtering device 18 is further installed between the collecting box 4 and the negative pressure device 5, the second filtering device 18 includes a filtering box 181 and a plurality of filtering nets 182, each filtering net 182 is installed in the filtering box 181 side by side, an air inlet of the negative pressure device 5 is communicated with an air outlet of the filtering box 181, an air outlet of the collecting box 4 is communicated with an air inlet of the filtering box 181, the air inlet and the air outlet of the filtering box 181 are respectively located on two opposite sides of the filtering net 182, and air flow enters the filtering box 181 from the air inlet of the filtering box 181, is filtered by each filtering net 182, and then flows to the negative pressure device 5 from the air outlet of the filtering box 181.

Referring to fig. 1 and 2, a brush 19 is fixed on the periphery of one end of each recovery tube 2 away from the concentration tube 3, and the arrangement of the brush 19 is convenient for a user to remove fluorescent powder on the CRT screen. Further, each recovery tube 2 is kept away from a port of concentrating pipe 3 and is all sealed rubber buffer 20 that is provided with, blocks up the setting through recovery tube 2 on rubber buffer 20 with the station that does not use, reduces the dispersion of concentrating the intraductal air pressure of pipe 3.

The implementation principle of the embodiment 1 is as follows: open negative pressure device 5, the staff of operation panel 1 department will hold recovery tube 2 and remove the phosphor powder on the CRT screen down, phosphor powder will be inhaled in recovery tube 2, then converge and concentrate pipe 3, flow into in collecting box 4 through concentrating pipe 3, filter the back adhesion to the filter vat or drop to the 4 bottom of the case of collecting box through first filter equipment 6, after waiting to collect a period, will open discharging pipe 12 and carry out the concentrated unified recovery of phosphor powder, before the collection, close negative pressure device 5, open chamber door 10, the staff strikes the filter vat, shake the phosphor powder on the filter vat and drop.

Example 2:

referring to fig. 4, the present embodiment is different from embodiment 1 in that a vibration device 21 is fixed on the outer side wall of the collection box 4, the vibration device 21 is configured as a vibration motor, and the fluorescent powder on each filter vat is vibrated and dropped by the vibration motor.

The implementation principle of the embodiment 2 is as follows: the difference from the embodiment 1 is that before the fluorescent powder is collected, the vibration device 21 is started to shake off the fluorescent powder on the filter vat.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims (10)

1. A TV screen phosphor recovery system which characterized in that: including operation panel (1), recovery tube (2), concentrated pipe (3), collecting box (4), negative pressure device (5) and first filter equipment (6), operation panel (1) is provided with a plurality of side by side, each all be provided with recovery tube (2) on operation panel (1), each recovery tube (2) all are connected with concentrated pipe (3), concentrated pipe (3) are connected with collecting box (4), first filter equipment (6) set up in collecting box (4) in order to be used for separating phosphor powder and air current, negative pressure device (5) are connected with collecting box (4) and are used for extracting the interior gas of collecting box (4), negative pressure device (5) and the connector of concentrated pipe (3) and collecting box (4) are located the opposite both sides of first filter equipment (6) respectively.

2. The television screen phosphor recycling system of claim 1, wherein: the first filtering device (6) comprises a plurality of filtering barrels arranged in the collecting box (4) side by side, a plurality of filtering holes are formed in each filtering barrel, and each filtering barrel is combined to form a filtering barrier for intercepting fluorescent powder.

3. The television screen phosphor recycling system of claim 2, wherein: the upper end of the collecting box (4) is hinged with a cover body (8), and one end, far away from the hinged end, of the cover body (8) is connected with the collecting box (4) through a hasp (9).

4. The television screen phosphor recycling system of claim 2, wherein: one side of the collecting box (4) is also hinged with a box door (10), and one end, far away from the hinged end, of the box door (10) is provided with a locking device (11).

5. The television screen phosphor recycling system of claim 2, wherein: the outer side wall of the collection box (4) is provided with a vibration device (21).

6. The television screen phosphor recycling system of claim 1, wherein: the collecting box (4) lower extreme is provided with discharging pipe (12), discharging pipe (12) internal rotation is provided with upset board (13) of steerable discharging pipe (12) break-make, pivot (14) axis of upset board (13) sets up along discharging pipe (12) radial direction, pivot (14) of upset board (13) stretch out to the discharging pipe (12) outside.

7. The television screen phosphor recycling system of claim 6, wherein: the one end that discharging pipe (12) were stretched out in pivot (14) is fixed with turning handle (15), be fixed with guide post (17) on discharging pipe (12) outer wall, be provided with an arc guide slot (16) on turning handle (15), arc guide slot (16) arc heart overlaps with pivot (14) and sets up, guide post (17) slide and set up in arc guide slot (16), when guide post (17) butt joint respectively to the both ends of arc guide slot (16), returning face plate (13) are in the state of opening completely or closing completely respectively.

8. The television screen phosphor recycling system of claim 1, wherein: still be provided with second filter equipment (18) between collecting box (4) and negative pressure device (5), second filter equipment (18) include rose box (181) and a plurality of filter screen (182), each filter screen (182) set up side by side in rose box (181), the air inlet of negative pressure device (5) and the gas outlet intercommunication of rose box (181), the gas outlet of collecting box (4) and the air inlet intercommunication setting of rose box (181), the air inlet and the gas outlet of rose box (181) are located the opposite both sides of filter screen (182) respectively.

9. The television screen phosphor recycling system of claim 1, wherein: and brushes (19) are arranged on the peripheral sides of one ends of the recovery pipes (2) far away from the concentration pipe (3).

10. The television screen phosphor recycling system of claim 1, wherein: each recovery tube (2) is kept away from a port of the concentrated tube (3) and is provided with a rubber plug (20) in a sealing way.

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