JPH0712445B2 - Pre-compression equipment for rotary crusher - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a rotary crushing facility for crushing large-sized garbage, that is, household durable consumables such as bottles, cans, cylinders, refrigerators, coolers and furniture. Used to compress oversized waste and crush the container with flammable gas that is mixed in the waste, discharge the flammable gas, and then put it into the rotary crusher. The present invention relates to a preliminary compression facility for a rotary crusher that purifies and discharges unsanitary gases such as gas and freon gas.

(Prior Art) Generally, bulky waste is crushed by a rotary crushing facility.

That is, the conventional rotary crushing equipment is usually as shown in FIG.
The hopper 21, the supply apron conveyor 22, the input apron conveyor 23, the rotary crusher 24, the carry-out conveyor 25, etc. are provided. Is supplied to a fixed amount apron conveyor 23 by a fixed amount, and by this, it is charged into the rotary crusher 24, and a rotary hamber 26 and a grade bar 27
After being crushed to about 150 mm or less by
It is designed to be discharged in.

Then, the crushed waste is separated into incombustible materials such as debris, combustible materials such as paper, valuable materials such as metals, incombustible materials are landfilled, combustible materials are incinerated, and valuable materials are recovered. Is the current situation.

(Problems to be solved by the invention) By the way, since oversized garbage contains a container such as a spray can or a large or small propane gas cylinder in which flammable gas remains, an explosion occurs during crushing in conventional equipment. An accident may have occurred. The cause of the explosion is that an infinite number of sparks always fly into the crusher 24 due to the impact of the hammer 26 rotating at a high speed, and the flammable gas discharged from the crushed container is instantly ignited.

Therefore, in the conventional crushing process, oversized waste is put into the hopper.
Before putting it into 21, the container is expanded to the square and the container is selected and removed.However, if the container is in the carton, it may be overlooked, and it is difficult to complete it completely by manual selection work. It was

The present invention was created in order to solve the above problems, and an object thereof is to provide a preliminary compression equipment for a rotary crusher that can prevent an explosion accident during the crushing process and improve the working environment. It is in.

(Means for Solving the Problem) In order to achieve the above object, the preliminary compression equipment for a rotary crusher of the present invention is provided between a hopper for bulky waste and a conveyor for loading bulky waste into the rotary crusher. Compressed bulk garbage supplied from the hopper and crushing the container containing flammable gas mixed in the dust to discharge the flammable gas and convey the compressed bulk garbage into the conveyor. And a gas exhaust treatment device capable of purifying and discharging unsanitary gases such as combustible gas and CFCs discharged in the preliminary compressor.

The pre-compressor is composed of a bottom plate on which oversized dust is placed, a stamper that can move up and down with respect to the bottom plate, a pusher that can reciprocate on the bottom plate toward the stamper, and a hydraulic device that drives the stamper and pusher in an interlocking manner. You may.

Further, the gas exhaust treatment device may also be configured with a hood arranged in the compression section of the precompressor, an adsorption device containing an adsorbent connected to the hood, and an exhaust fan connected to the adsorption device. good.

(Operation) The large-sized waste thrown into the hopper is supplied onto the fixed amount bottom plate and is sent between the stamper and the bottom plate by the pusher.

The bulky dust sent between the stamper and the bottom plate is compressed by the vertical movement of the stamper. At the same time, the container containing flammable gas mixed in the garbage was crushed,
The flammable gas in the container is discharged.

Then, the pre-compressed waste is supplied to the loading conveyor, and is thereby loaded into the rotary crusher and crushed. At this time, since the flammable gas in the container is discharged in the precompressor, the gas explosion does not occur in the crusher during the crushing.

Further, the unsanitary gas such as flammable gas and CFC gas discharged in the pre-compressor is captured by the hood, purified by the adsorbing device, and discharged outside by the air blower. as a result,
Inflammable gas and unsanitary gas do not fill the surroundings of the worker, the working environment is improved, and there is no concern about air pollution.

(Example) Hereinafter, the Example of this invention is described in detail based on drawing.

FIG. 1 is a schematic vertical cross-sectional view of a rotary crushing facility provided with a preliminary compression facility according to an embodiment of the present invention. The preliminary compression facility is for inputting bulky dust to a hopper 1 for bulky refuse and a rotary crusher 2. It is composed of a preliminary compressor 4 interposed between the conveyor 3 and a gas exhaust treatment device 5 for purifying and discharging unsanitary gas such as combustible gas or CFC gas discharged in the preliminary compressor 4. ing.

The large-sized waste hopper 1 is for temporarily storing large-sized waste conveyed by a garbage carrier, and at a position below the large-sized waste hopper 1, a supply conveyor 6 capable of supplying the large-sized waste into the preliminary compressor 4 for fixed quantity. (Apron conveyor) is provided.

Further, the rotary crusher 2 is, similarly to the conventionally known one, a casing 7 having an inlet and an outlet, a disk 8 rotatably supported in the casing 7, and a pivotally mounted on the disk 8. It consists of a hammer 9 and a grade bar 10 arranged below the disk 8. A large-sized waste loading conveyor 3 (apron conveyor) is installed at the loading port, and a unloading conveyor 11 is installed at the discharging port. It is set up.

The pre-compressor 4 compresses the bulky waste to crush the container containing the combustible gas mixed in the waste, discharges the combustible gas, and conveys the compressed waste into the conveyor 3
And a bottom plate 12 arranged at a lower position on the terminal end side of the supply conveyor 6, a stamper 13 arranged on an upper position on the terminal end side of the bottom plate 12 so as to be vertically movable, and a stamper on the bottom plate 12. Pusher 14 reciprocally moved to 13 side
And a hydraulic device 15 including a hydraulic cylinder and the like in which a stamper 13 and a pusher 14 are driven in conjunction with each other.

The gas exhaust treatment device 5 purifies unsanitary gases such as combustible gas and chlorofluorocarbon gas discharged in the preliminary compressor 4 and discharges them to the outside. A hood 16 disposed above, an adsorption device 17 connected to the hood 16 and having an adsorbent such as activated carbon built-in,
It is composed of an exhaust fan 18 and the like connected to the adsorption device 17.

Thus, the bulky waste thrown into the hopper 1 is supplied onto the fixed quantity bottom plate 12 by the supply conveyor 6 and the pusher 14
It is sent between the stamper 13 and the bottom plate 12 by the reciprocating movement of the.

The bulky dust sent between the stamper 13 and the bottom plate 12 is compressed by the vertical movement of the stamper 13. At the same time, the containers such as spray cans and large and small propane gas cylinders in which the combustible gas mixed in the waste remains are crushed, and the combustible gas in the container is discharged.

Then, the pre-compressed waste is pushed by the waste that is continuously fed by the pusher 14, falls on the loading conveyor 3, and is thereby loaded into the rotary crusher 2.

The dust thrown into the rotary crusher 2 is crushed to about 150 mm or less by the shearing, impact, and crushing action of the hammer 9 and the grade bar 10, and falls on the carry-out conveyor 11 from the gap of the grade bar 10 by this. Is discharged.

On the other hand, in the pre-compressor 4, not only flammable gas but also electric refrigerator, cooler, etc. are compressed, so that CFC gas that causes ozone layer depletion is discharged, and unsanitary gas such as oily gas and thinner is discharged. It

The flammable gas and the unsanitary gas are captured by the hood 16, purified by the adsorption device 17, and then exhausted to the outside by the air blower 18.

FIG. 2 shows another embodiment of the preliminary compression equipment,
In this, a hopper 19 is arranged above the bottom plate 12, and the waste is transferred from the hopper for storing large-sized waste to the pre-compressor 4 by the bucket crane 20.
It is designed so that it can be directly put into the hopper 19 of.

The configuration of the pre-compressor 4 is not limited to that of the above embodiment, and the container containing the combustible gas mixed in the dust is crushed to discharge the combustible gas from the container. Any configuration may be used as long as it is possible.

Further, the configuration of the gas exhaust treatment device 5 is not limited to that of the above-described embodiment, and if the combustible gas and unsanitary gas discharged in the preliminary compressor 4 can be purified and discharged, It may have any configuration.

(Effects of the Invention) As described above, the preliminary compression equipment of the present invention compresses oversized waste to crush the container containing the combustible gas mixed in the waste, and discharges the combustible gas from the container. Since the garbage can be put into the rotary crusher, there is no gas explosion in the crusher during the crushing process, and the work can be done safely.

In addition, since it is configured to clean and discharge unsanitary gas such as flammable gas and CFC gas discharged in the preliminary compressor, the gas does not fill the surroundings of the worker and the working environment becomes good. , No worry about air pollution.

[Brief description of drawings]

FIG. 1 is a schematic vertical sectional view of a rotary crushing equipment in which a preliminary compression equipment according to an embodiment of the present invention is arranged, FIG. 2 is a schematic vertical sectional view of a preliminary compression equipment according to another embodiment, and FIG. It is a schematic longitudinal cross-sectional view of the conventional rotary crushing equipment. 1 is a hopper, 2 is a rotary crusher, 3 is a loading conveyor,
4 is a pre-compressor, 5 is a gas exhaust treatment device, 12 is a bottom plate, 13
Is a stamper, 14 is a pusher, 15 is a hydraulic system, 16 is a hood, 17 is a suction device, and 18 is an air exhauster.

Claims (3)

[Claims] 1. A bulk trash supplied from the hopper (1) is compressed between a bulk trash hopper (1) and a bulk trash input conveyor (3) to a rotary crusher (2). A preliminary compressor (4) capable of crushing the container containing combustible gas mixed in the waste to discharge the combustible gas and supplying compressed bulky waste to the loading conveyor (3)
And a gas exhaust treatment device (5) capable of purifying and discharging unsanitary gas such as flammable gas and CFC gas discharged in the preliminary compressor (4). Pre-compression equipment for. 2. A bottom plate (12) on which a preliminary compressor (4) puts oversized dust, a stamper (13) movable up and down with respect to the bottom plate (12), and a stamper (13) on the bottom plate (12). Equipped with a pusher (14) that can reciprocate to the side, and a hydraulic device (15) that drives the stamper (13) and pusher (14) in an interlocking manner, and the bulky waste supplied on the bottom plate (12) is pushed by the pusher (14). It is configured to be sent between the stamper (13) and the bottom plate (12), compressed by the stamper (13) and the bottom plate (12), and discharged to the charging conveyor (3) side. The preliminary compression equipment for a rotary crusher according to claim 1. 3. An adsorption device (5) in which a gas exhaust treatment device (5) contains a hood (16) arranged in the compression section of a precompressor (4) and an adsorbent connected to the hood (16). 17)
And an exhaust device (18) connected to the adsorption device (17), and the combustible gas or unsanitary gas exhausted in the compression section is captured by the hood (16) and purified by the adsorption device (17). ,
The preliminary compression equipment for a rotary crusher according to claim 1, characterized in that it is configured to be discharged outdoors by an air blower (18).