JPH0410843Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Industrial Application Field) The present invention relates to a waste heat sterilization and pulverization device that heat sterilizes waste such as disposable syringes and then pulverizes it.

(Prior art) For example, in hospitals, large quantities of disposable syringes, drip containers, etc. are used and discarded.
In order to prevent the infection of pathogenic bacteria by such waste, it is necessary to sterilize it, and also to reduce its volume because it is bulky and cannot be disposed of in a landfill or the like.

Therefore, it is conceivable to incinerate the waste or sterilize it with a chemical and then pulverize it.

(Problem to be solved by the invention) The above-mentioned incineration method causes the problem of environmental pollution due to the generation of bad odor. In the drug processing method, it is difficult to dispose of used drugs, and the sterilized waste must be collected again and pulverized using a pulverizer or the like, which is time-consuming.

In view of the above-mentioned conventional problems, the present invention provides a waste heat sterilization and crushing device that can completely heat sterilize waste without polluting the environment, and can immediately crush the heat sterilized waste. is intended to provide.

(Means for Solving the Problems) In order to achieve the above object, the present invention provides a heating sterilization chamber 3 in which the waste A is heated and sterilized by a heater 31 on the upper side, and a heating sterilization chamber 3 on the lower side. A crushing chamber 5 for crushing the waste A is provided, and an opening 7 is provided on the side surface of the heat sterilization chamber 3.
A drawer box 2 for throwing in waste that can be freely moved in and out of the heat sterilization chamber 3 is provided, and a side plate 4b for closing the opening 7 is provided at the outer end of the drawer box 2. A configuration is adopted in which a bottom plate 2c is provided at the bottom and is driven to open toward the grinding chamber side.

(Function) In the above configuration, the waste A can be input from the side into the heat sterilization chamber 3 by the drawer box 2, and the input waste A can be completely sterilized at high temperature in the heat sterilization chamber 3. Furthermore, after the sterilization process, the waste A in the heat sterilization chamber 3 can be automatically discharged to the crushing chamber 5 side, and can be divided into small pieces in the crushing chamber 5.

(Embodiment) FIG. 5 shows a waste heat sterilization and pulverization apparatus which is an embodiment of the present invention.
A waste input drawer box 2 for inputting waste A such as disposable syringes and drip containers into the apparatus is provided, and a drawer box 2 for collecting crushed waste B is provided on the lower surface of the casing 1. The dust collection box 1b is slidably attached.

As shown in FIG. 1, a heat insulating box 4 forming a heat sterilization chamber 3 is provided on the upper side of the casing 1, and a crusher 6 forming a crushing chamber 5 is provided on the lower side thereof. As shown in FIGS. 2 and 3, the heat insulating box 4 has a box main body 4a having an opening 7 for inputting waste on the side surface and an outlet 8 for discharging waste on the bottom surface.
, a side plate 4b that closes the opening 7, and a bottom cover 4c that closes the discharge port 8. It is formed by a heat insulating material 10 filled inside. The side plate 4b has bosses 11 and 1 fixed to both outer surfaces of the box body 4a.
1 and a pair of guide rods 12, 12 which are slidably inserted into the respective bosses 11, 11 and fixed to the side plate 4a (see phantom lines in Figs. 2 and 3). reference). The bottom cover 4c also includes a pair of approximately J-shaped guide rails 14, 14 fixed to the machine frame 13, and a pair of guide rails 14, 14 protruding from both sides of the bottom cover 4c.
A hydraulic cylinder 16 such as an air cylinder fixed to the machine frame 13 moves the side plate 4b horizontally in a direction perpendicular to the direction of movement of the side plate 4b. It's starting to move.

As shown in FIG. 4, the drawer box 2 includes a waste support shelf 2a fixed to the side plate 4b and shaped like an opening in plan view, and a slot for entering and exiting the drawer box 2 at the lower end of the long side of the support shelf 2a. Support rod 2b fixed along the direction
and a bottom plate 2c, one side edge of which is pivotally supported by the support rod 2b via a hinge 18, and the other side edge abutted against and supported by the bottom cover 4c. A large number of through holes 20 are provided to uniformly heat the waste material A when sterilizing it by heat (see FIG. 3). Then, when the side plate 4b is pulled from the solid line state shown in FIGS. 2 and 3 via its handle 19, the drawer box 2 is also pulled out of the cable 1, as shown by the imaginary line in the figure, and the drawer box 2 is pulled out from the cable 1. box 2
The waste material A can be inserted into the container. In addition, by simply pushing the side plate 4b toward the casing 1 from the drawn state, the drawer box 2 is inserted into the heat sterilization chamber 3, and the waste A is transferred to the heat sterilization chamber 3.
It can be inserted inside. Furthermore, the waste A
After the injection, when the bottom cover 4c is moved by the fluid pressure cylinder 16 and the discharge port 8 is opened, the support of the bottom plate 2c by the bottom cover 4c is released, so that the bottom plate 2c is moved along the imaginary line in FIG. Hinge 1 as shown
8 as a fulcrum and rotates downward by its own weight, and the waste A on the bottom plate 2c is discharged from the heat sterilization chamber 3 to the crushing chamber 5.

As shown in FIG. 1, the crusher 6 includes a cylindrical part 23 having a waste inlet 21 at the upper part and a pulverized material outlet 22 at the lower part, and the cylindrical part 23.
a pair of fixed blades 24 whose cutting edges protrude into the cylindrical portion 23 through the cylindrical portion 23; and a rotary drive shaft 26 which is arranged concentrically within the cylindrical portion 23 and rotated in the direction of the arrow by a drive motor 25. and the drive shaft 2
A rotary blade 28 is fixed at the tip of a plurality of rotary blades 27 radially extending from the waste input port 21 to face the fixed blades 24, and the crushing chamber 5 in the cylindrical part 23 is fed from the waste inlet 21 to the crushing chamber 5 in the cylindrical part 23. The input waste A is passed through a rotary blade 28 that is driven to rotate and a fixed blade 2 that faces it.
4, and the crushed waste B is discharged into the dust collecting box 3 through the through hole of the filter 29 disposed at the crushed material discharge port 22.

In FIG. 1, 30 is a hopper-shaped communication gutter that communicates the grinding inlet 20 and the outlet 8 of the heat sterilization chamber 3, and 31 is disposed along the inner wall surface on the long side inside the heat sterilization chamber 3. A pair of far-infrared panel heaters and the like, and 32 an exhaust fan such as a Sirotskov fan connected to an exhaust port 33 communicating with the heating sterilization chamber 3.

To explain the sterilization and crushing procedure, as shown by the solid line in Figure 1, a non-flammable container 34 containing waste A is
is put into the heat sterilization chamber 3 through the drawer box 2, and when the operation switch is turned on, the heater 31
The timer is activated according to a predetermined program. When a far infrared heater is used as the heater 31, approximately 5
The waste A is heated to about 150 to 250° C. to soften or dissolve in about 10 minutes, and by maintaining the same temperature for about 10 minutes, pathogenic bacteria adhering to the waste A are completely killed. 15 minutes from the ON state of the above operating switch
After about a minute has passed, the heater 3 is turned off by timer control.
At the same time, the exhaust fan 32 is activated to cool the waste A. The waste A is 2~
After cooling for about 3 minutes and reaching a predetermined low temperature (about 50℃), the temperature detection signal causes the fluid pressure cylinder 1 to
6 is activated, and the bottom cover 4c is opened. This results in
The bottom plate 2 of the drawer box 2 supported by the bottom cover 4c
c automatically rotates due to its own weight, and the waste A in the drawer box 2 is discharged into the crushing chamber 5 through the communication gutter 30, and the drive motor 25 of the crusher 6 is started by the discharge detection signal. do. At this time, since the waste A has been cooled and solidified again, the rotary blade 28 and the fixed blade 24 together with the nonflammable collection container 34
The crushed waste B is easily crushed within minutes and is discharged into the dust collection box 3 without bulk.

(Effects of the invention) According to the invention, since a heat sterilization chamber is provided on the upper side and a crushing chamber is provided on the lower side, the process from sterilizing waste to crushing can be carried out continuously without any loss time. In addition, in the heat sterilization room, the waste is only heated to soften or dissolve it, but not incinerated, so no bad odor is generated and the environment is not degraded.Furthermore, in the crushing room, the waste is crushed into small pieces. Therefore, the pulverized waste can be directly disposed of in a landfill, etc., and has the advantage of being easy to dispose of.

In particular, an opening is provided on the side surface of the heat sterilization chamber, and a drawer box for throwing in waste is provided, which can be freely moved in and out of the heat sterilization chamber through the opening. Since it also adopts a method of charging waste, compared to a method of charging waste into the heat sterilization chamber from above, the charging position is lower and it is easier to load, making it more convenient to use.

Furthermore, since a side plate is provided at the outer end of the drawer box to close the opening of the heat sterilization chamber, the opening can be closed at the same time by inserting the drawer box into the heat sterilization chamber. , the steam inside the heat sterilization chamber will not leak to the outside, and
It also has excellent operability.

Furthermore, since a bottom plate is provided at the bottom of the drawer box that opens toward the grinding chamber, after the waste is heat sterilized, the bottom plate opens and the waste is automatically discharged into the grinding chamber. It can then be taken out as small, small pieces of waste.

[Brief explanation of the drawing]

Fig. 1 is a longitudinal sectional view of a waste heat sterilization and crushing apparatus which is an embodiment of the present invention, Fig. 2 is a longitudinal sectional view of the main parts, Fig. 3 is a horizontal sectional view of the main parts, and Fig. 4 is a longitudinal sectional view of the waste heat sterilization and pulverization equipment. FIG. 5 is an exploded perspective view of the main parts, and FIG. 5 is an overall perspective view of the device. 2... Drawer box, 2c... Bottom plate, 3... Heat sterilization chamber, 4b... Side plate, 5... Grinding chamber, 7... Opening, 31... Heater, A... Waste.

Claims (1)

[Scope of utility model registration request] A heat sterilization chamber for heating and sterilizing waste with a heater is provided on the upper side, a crushing chamber for crushing the heat sterilized waste is provided on the lower side, and an opening is provided on the side of the heat sterilization chamber, A drawer box for throwing waste into and out of the heat sterilization chamber is provided through the opening, a side plate is provided at the outer end of the drawer box to close the opening, and a crushing chamber is provided at the bottom of the drawer box. Waste heating sterilization crushing equipment equipped with a bottom plate that opens on the side.