JPH0616384Y2 - Windsock type filter for nuclear power - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention relates to a windsock type filter for nuclear power.

(Prior Art) Conventionally, a wind blow type filter for nuclear power uses a plurality of bag-shaped filter members made of glass fiber non-woven fabric, and the edge of these bag-shaped filter members is made of a metal filter member. It is known that the mounting grid frame body is clamped by each of the clamping bars, and a plurality of metal fixtures are used to fix the grips of the respective lips at desired locations on the filter member mounting grid body. , This filter is fixed to an air conditioner and used to pass polluted air from a nuclear reactor or the like.

(Problems to be solved by the invention) In the above-mentioned conventional filter, the bag-shaped filter member is made of glass fiber, and the lattice frame for mounting the filter member and each filter member fixing tool are made of metal. For,
After its use, when the filter is taken out of the air conditioner and stored in a drum for long-term storage, the volume cannot be reduced by incineration, and it is bulky to store radioactive pollutants and is uneconomical. .

(Means for Solving Problems) The present invention eliminates the inconvenience of the conventional nuclear windsock type filter described above, and can be stored and stored in a drum can in a significantly small volume by incineration in the form of incinerated ash. In order to improve the storage efficiency and provide an economical nuclear blowout type filter, a plurality of bag-shaped filter members are respectively made of combustible material, and the rims of these bag-shaped filter members are Hold the filter member mounting grid frame made of a flammable material by each holding bar, and use a number of synthetic resin screw fasteners at the desired locations of the filter member mounting grid frame to form a bag shape. The edge of the filter member is screwed into a crosspiece that holds the edge, and each edge is fastened and fixed, the frame is covered with a metal attachment rear frame from behind, and a metal attachment front frame is attached from the front. , The metal attack It is fitted so as to cover the outer circumference of the rear frame.

(Embodiment) An embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 and FIG. 3 show an example of implementation of the present invention. (1)
Indicates a lattice frame body for mounting a filter member, which is made of a combustible material such as wood such as plywood or a synthetic resin molding material. The frame body (1) is a rectangular outer peripheral frame such as a square or a rectangle.
(1a) and a large number of elongated rectangular inner frames (1b), (1b), which are fitted in the inner space of the outer peripheral frame (1) and abut each other in parallel,
By the vertical bars (1c) (1c) of these inner frames (1b) (1b) ..., the inner space of the outer peripheral frame (1) is partitioned into a number of elongated rectangular partition spaces (2), (2). The whole is configured as a lattice frame. Separately, a large number of bag-shaped filter members (3)
It is prepared by a conventional method using combustible materials such as vegetable fiber and pulp. In this case, a flammable sewing thread such as a cotton thread or a synthetic fiber thread such as Cornex is used, and the bag-like filter member (3) has its opposite material surface so that the bag-shaped filter member (3) is limited to a predetermined bulged shape when air flows in. Sew so as to cross the piercing, and each of the transverse threads (4), (4) ... is the bag-shaped filter member (3).
It is fixed with a fixing material such as chloroprene adhesive applied to the outer surface. A large number of the bag-shaped filter members (3) thus prepared were attached to the filter member mounting grid frame (1) as shown below, and eight bag-shaped filter members (3) were attached as shown below. Make up. That is, these bag-shaped filter members
Each of the (3) is a space (2) of each long rectangle of the lattice frame body (1).
(2) ... pointing its opening and corresponding to each rim (3a),
(3a) ... The outer peripheral frame (1a) and the upper and lower crosspieces (1b ₁ ) (1b ₁ ) of the respective elongated rectangular inner frames (1b) are arranged adjacent to each other in parallel with the elongated rectangular inner frame (1b). , (1
Inserted between the vertical cross section (1b1) and (1b1) of b) and held by them, and a screw fixing tool made separately of synthetic resin.
(5), (5) ... are screwed into desired cross-sections of the lattice frame body (1) at a desired position of the bag-shaped filter member (3), and the edges of the bag-shaped filter members (3) are screwed into the cross-section. Tighten and fix (3a).

The flammable, nuclear windsock type filter A configured as described above is detachably attached to a metal filter receiving frame surface provided on the outer periphery of the air inlet of an air conditioner connected to a nuclear reactor. The windsock type filter A of the present invention is
In order to prevent the lattice frame body (1) from being deformed or damaged due to an external force when it is transported or attached, the metal reinforcing attachment frame body (6 ),
The product is assembled into the air filter unit that is held and protected in (7).

4 and 5 show a metal attachment front frame (6) which is attached from the front surface of the frame body (1), and the front frame (6) is
Between the outer peripheral frame (1a) of the lattice frame body (1) and the outer peripheral frame (6a) having an L-shaped cross section for covering and protecting the front and side surfaces thereof and the vertical frame parts on both sides of the outer peripheral frame (6a). And a horizontal cross bar (6b) for fixing, which crosses the fixed horizontal bar (6a) in the longitudinal direction at predetermined intervals, that is, for holding each of the lattice frame bodies (1). Vertical bar
(1c) Fitting recesses (6b1), (6b1), etc. are formed at corresponding positions so as to rigidly fit and hold the vertical lattice bars formed of (1c).

6 and 7 show a metal attachment rear frame (7) fitted from the rear surface of the frame body (1), the rear frame (7) being the outer periphery of the frame body (1). The outer peripheral frame (7a) having an L-shaped cross section for receiving the frame (1a) and covering and protecting the side surface and the rear surface and the bag-shaped filter members (3), (3) ... Multiple parallel vertical rods arranged at positions corresponding to each void
(7b), (7b) ..., and when the rear frame (7) is loosely fitted to the frame body (1) of the filter A from its rear side to the outer peripheral frame (1a), these vertical rods (7b) ), (7b) ... are bag-shaped filter members (3), (3)
The respective members (3) and (3) are brought into contact with the back surface of the frame body (1).

Thus, in the windsock type filter A of the present invention, the frame body (1) is covered with the attachment rear frame (7) from its rear side, and the attachment front frame (6) is attached from the front side with the rear attachment frame (6).
It is common to transport and use the filter A as a product in which the filter unit (8) as shown in FIGS. 8 and 9 is assembled by fitting the outer periphery of (7) so as to cover it.

10 and 11 show a state in which the air conditioner (9) is attached. That is, the air distribution duct (9a) in the air conditioner (9)
The surrounding frame portion (8a) of the filter unit (8) is attached to the abutting surface of the metallic filter receiving frame (10) having an L-shaped cross section which is attached to the inner peripheral surface in advance in an airtight manner within the receiving frame (10). Apply to the tightening metal fitting receivers (11), (11) protruding from the peripheral surface at a predetermined position, fitted in the lower surface, and in this state, tighten the fittings (12) ) Is screwed into the enclosure (8) of the filter unit (8).
Tighten the a) on the filter receiving frame (10) surface, and in this state,
used. When it is necessary to replace the filter A after use, loosen the fastening metal fitting (12) and then the filter unit (8).
Remove, attach the attachment front frame (6),
Take out the inner filter A, store the new filter A in the rear frame of the attachment (7), fit the front frame of the attachment again, and install the duct A (9a) of the air conditioner (9) as described above.
Install inside.

The blow-out type filter A thus taken out is an inflammable material as a whole, so that it is burnt to form ash, and thus, it is stored in a drum can after being reduced in volume.

(Effects of the Invention) As described above, according to the present invention, all the elements constituting the nuclear blowout type filter, that is, the bag-shaped filter member, the filter member mounting grid frame, and the filter member fixing device are all
Since it is made of a material whose volume can be significantly reduced by incineration, storage efficiency in the drum can can be significantly improved, and the frame can be covered with a metal attachment rear frame from the rear and a metal attachment front frame from the front. Since the metal attachment is fitted so as to cover the outer periphery of the rear frame, it protects the filter member mounting grid frame body even if it receives external force during transportation, attachment, etc., and prevents deformation and damage It has the effect of being able to do so.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a front view of a nuclear windsock type filter according to an embodiment of the present invention, and FIG. 2 is a top view showing a part of the filter cut away.
The drawing is an enlarged cross-sectional view of a part of FIG. 2, FIG. 4 is a front view of an attachment front frame, FIG. 5 is a cross-sectional view taken along the line VV of FIG. 4, and FIG. 6 is a front view of an attachment rear frame. Fig. 7, Fig. 7 is a sectional view taken along line VII-VII in Fig. 6, Fig. 8 is a perspective view of an air filter unit, Fig. 9 is a sectional view taken along line IX-IX in Fig. 8,
Fig. 10 is a front view of the mounting state when in use, and Fig. 11 is
FIG. 10 shows a sectional view taken along the line XI-XI in FIG. 10. (1) …… Lattice frame for mounting flammable filter members (1a) …… Outer peripheral frame of the frame (2) …… Partition space, (3) …… Bag-shaped filter member A …… Flying filter for nuclear power (3a) …… Bag-shaped filter lip (5) …… Synthetic resin screw fixture (6) …… Metal attachment front frame (7) …… Metal attachment rear frame

Claims (1)

[Scope of utility model registration request] 1. A plurality of bag-shaped filter members are made of a combustible material, respectively, and the edges of the bag-shaped filter members are sandwiched between filter member mounting lattice frames made of a combustible material. It is clamped by the cross bar, and is screwed into the cross bar that holds the rim of each bag-shaped filter member at a desired position of the filter member mounting grid frame by a large number of synthetic resin screw fasteners. Tighten the rim and cover the rear frame of the metal attachment from the rear of the frame body, and fit the front frame of the metal attachment from the front of the frame body so as to cover the outer periphery of the rear frame of the metal attachment. A windsock type filter for nuclear power.