JP7220867B2 - Material cleaning device - Google Patents

Description

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a material washing apparatus for washing materials such as paintings, old documents, books, printed matter, drawings, and other cultural property historical materials stored in museums and the like.

Materials such as cultural property historical materials are washed because they are contaminated with acidic substances and the like. In the past, materials were soaked in water in a container such as a sink to dissolve contaminants. However, in this method, the contaminants eluted from the material remain in the container, and the contaminants sometimes reattach to the material. For this reason, it has been difficult to remove contaminants sufficiently, or to remove them efficiently and safely.

Patent document 1 proposes an automatic cleaning device for books. Such a device cannot be applied to cleaning materials such as important cultural property historical materials because the surface is brushed.

JP-A-10-174941

There has been a demand for a material cleaning apparatus capable of sufficiently removing soiled materials while protecting materials such as cultural property historical materials.

SUMMARY OF THE INVENTION It is an object of the present invention to solve the above-mentioned problems, and to provide a material cleaning apparatus capable of sufficiently removing contaminants while protecting materials.

A representative configuration of the material washing apparatus according to the present invention for achieving the above object is a slanted surface on which the material is placed, and the material placed on the slanted surface and placed above the slanted surface. and a curing member configured by at least a water-permeable support layer that supports the material and for eluting soiled substances from the material, wherein the water discharging part The washing water sprayed onto the material flows down along the inclined surface while washing the material.

According to the present invention, contaminants can be sufficiently removed while protecting materials.

1 is a plan view showing the configuration of a material cleaning apparatus according to the present invention; FIG. (a) is a cross-sectional view taken along the line AA of FIG. 1; (b) is a partially enlarged view of (a). FIG. 4 is a cross-sectional view showing the configuration of a curing member that protects a material to be washed with washing water flowing on an inclined surface;

An embodiment of the material cleaning apparatus according to the present invention will be specifically described with reference to the drawings.

<Material cleaning device>
The material cleaning apparatus 1 shown in FIGS. 1 and 2 has an inclined surface on which materials 2 such as paintings, old documents, books, printed matter, drawings, and other historical materials of cultural properties stored in museums or the like are placed. 3 , and the material 2 placed on the inclined surface 3 is washed by washing water 4 flowing on the inclined surface 3 . The material washing apparatus 1 includes a pedestal 5 having an inclined surface 3 on which a material 2 is placed, and a water discharge unit disposed above the inclined surface 3 for discharging washing water 4 onto the material 2 placed on the inclined surface 3. 6 and .

The inclination angle θ of the inclined surface 3 of the base 5 is preferably about 10° with respect to the floor surface 21 (horizontal plane). The inclination angle θ of the inclined surface 3 of the pedestal 5 with respect to the floor surface 21 is the angle at which the washing water 4 flows on the inclined surface 3, and the material 2 sandwiched by the curing member 10 moves on the inclined surface 3 together with the washing water 4. The angle is appropriately set so as not to be swept away.

The pedestal 5 has an inclination angle .theta. The inclination angle adjustment members 15a and 15b can appropriately adjust the inclination angle θ of the inclined surface 3 by changing the height using a known height adjustment mechanism such as a screw type height adjustment mechanism.

On the inclined surface 3 of the pedestal 5 is placed the material 2 which is sandwiched by a curing member 10 shown in FIG. 3 and treated to prevent breakage. From the drop point 4a of the washing water 4 that is discharged from the water discharge hole 7a of the water discharge pipe 7 and falls on the inclined surface 3 in the flow direction of the washing water 4 flowing on the inclined surface 3 (direction from right to left in FIG. 2). A pressing member 16 having an inverted T-shaped cross section when cut in a direction orthogonal to the longitudinal direction is provided on the upstream side of the curing member 10 and on the upstream side of the upper end of the material 2 of the curing member 10 .

The pressing portion 16a of the pressing member 16 is brought into contact with a portion of the curing member 10 where the material 2 is not sandwiched, and the clip member 17 clamps the upper surface of the pressing portion 16a and the lower surface of the pedestal 5. As shown in FIG. Thereby, it is possible to prevent the curing member 10 placed on the inclined surface 3 from being washed away by the washing water 4 flowing on the inclined surface 3 .

The pedestal 5 and the tilt angle adjusting members 15a and 15b can be detachable by a known connecting means. Since the water discharge pipe 7, the pressing member 16, and the base 5 are detachably attached to the material cleaning apparatus 1, the material cleaning apparatus 1 can be easily assembled and disassembled, and the place where the material cleaning apparatus 1 is installed can be easily moved. be able to.

The washing water 4 that has washed the material 2 that has been pinched by the curing members 10 to prevent breakage by flowing on the inclined surface 3 is collected in the waste liquid container 19 . Incidentally, when a drainage facility for directly draining the washing water 4 flowing on the inclined surface 3 is provided, the waste liquid container 19 can be omitted. A pair of guide members 20 are provided at both ends of the pedestal 5 on the downstream side in the flow direction of the washing water 4 to guide the washing water 4 flowing down into the waste liquid container 19 from the lower end of the inclined surface 3 of the pedestal 5 into the waste liquid container 19. It is The guide member 20 has an L-shaped cross section when the guide member 20 is cut in a direction orthogonal to the longitudinal direction. As a result, the washing water 4 flowing vigorously down into the waste liquid container 19 from the lower end of the inclined surface 3 of the pedestal 5 can be reliably received in the waste liquid container 19. The surface 21 and the like are not wetted.

Contaminants such as acidic substances adhere to the materials 2 such as cultural assets due to aging. The wash water 4 flowing on the inclined surface 3 passes through the curing member 10 and reaches the material 2, and the material 2 is held in a state where the wash water 4 is retained by the water retention layer 11 provided on the lower surface of the material 2 shown in FIG. Contaminants such as acidic substances adhering to the material 2 are eluted, and the contaminated substances such as acidic substances eluted from the material 2 are washed away together with the washing water 4 flowing on the inclined surface 3 and collected in the waste liquid container 19. The cleaning time of the material 2 with the cleaning water 4 flowing on the inclined surface 3 is about 15 minutes. The washing time for Sample 2 is appropriately set by conducting preliminary experiments using fluorescent X-ray quantitative analysis, pH measurement, various mechanical tests, and the like. X-ray fluorescence analysis analyzes the elemental composition of a sample by irradiating X-rays onto a solid sample and measuring the X-rays of specific wavelengths emitted by each element in the sample (referred to as fluorescent X-rays). is. Since a sufficient water running time is ensured for washing the material 2 with the washing water 4 flowing on the inclined surface 3, the material 2 is evenly soaked in the washing water 4. - 特許庁

Washing water 4 in which contaminants such as acidic substances are collected in the waste liquid container 19 is ion-exchanged water containing a small amount of oxides, so that it does not need post-treatment and can be discharged directly to sewage. can be done.

<Water discharge part>
The water discharge part 6 of this embodiment is a cylindrical body arranged along the width direction (vertical direction in FIG. 1) of the document 2 placed on the inclined surface 3 with the longitudinal direction shown in the vertical direction in FIG. water discharge pipe 7. The water discharge pipe 7 is provided with a plurality of water discharge holes 7a at a predetermined pitch along the longitudinal direction of the water discharge pipe 7 (vertical direction in FIG. 1). The base 5 of this embodiment is made of polystyrene foam. Polystyrene foam does not absorb water and exerts moderate frictional resistance against the curing member 10 in which the material 2 shown in FIG. can be done.

The water discharge pipe 7 of this embodiment employs a transparent clear resin with an outer diameter of 18 mm. As the material of the water discharge pipe 7, acrylic resin or vinyl chloride resin can be applied. The diameter of the water discharge holes 7a is 2 mm, and the pitch of the plurality of water discharge holes 7a is about 15 mm.

One end in the longitudinal direction of the water discharge pipe 7 (the upper end in FIG. 1) is closed by a closing member 8, and the other end in the longitudinal direction of the water discharge pipe 7 (the lower end in FIG. 1) is connected to a water supply pipe 9. It is A filtering device (not shown) provided with at least an ion exchange membrane is provided on the upstream side of the water supply pipe 9 , and washing water 4 made of ion-exchanged water filtered by the filtering device flows from the water supply pipe 9 into the water discharge pipe 7 . supplied to As an example of the filtering device, a filtering device in which a hollow fiber membrane filter, an ion exchange resin, and an activated carbon filter for removing residual chlorine are combined can be used. As an example of the washing water 4 other than the ion-exchanged water, filtered water generated by a filtering device combining a hollow fiber membrane filter and an activated carbon filter for removing residual chlorine can also be used as the washing water 4 . As the washing water 4, any water filtered by a filter such as ultrapure water, pure water, purified water, ultra-fine bubble water, or micro-nano bubble water can be used as the washing water 4 in addition to the water filtered by the above apparatus. The use of tap water is also conceivable. Here, substances such as iron and chlorine that should not be adhered to the materials 2 such as cultural assets can be caught by a filtration filter and removed from the washing water 4 . However, metal ions such as iron ions that are ionized and dissolved in water cannot be removed by the above filtration filter. Therefore, by using ion-exchanged water that has passed through an ion-exchange resin filter as the washing water 4, those metal ions can be removed from the washing water 4, and the material 2 is washed with the washing water 4 having a higher degree of purification. be able to. Washing water 4 is uniformly discharged in the width direction of the document 2 from a water discharge hole 7a provided in the water discharge pipe 7. - 特許庁The washing water 4 sprayed on the material 2 by the water spraying part 6 flows down along the inclined surface 3 while washing the material 2. - 特許庁

The pH of the wash water 4 immediately after being discharged from the water discharge holes 7a is about pH 6 to pH 6.9 as measured by a pH tester, which is in the neutral range. The washing can be completed when the pH of the washing water 4 after washing the material 2 with the washing water 4 flowing on the inclined surface 3 reaches the same level as the pH of the washing water 4 immediately after being discharged from the water discharge hole 7a. .

In addition to the water discharge pipe 7, the water discharge part 6 is arranged so that the longitudinal direction of a gutter (not shown) is along the width direction of the material 2 placed on the inclined surface 3, and the longitudinal direction of the gutter is arranged. One end (upper end in FIG. 1) is closed by a blocking member, the water supply pipe 9 is connected to the other end (lower end in FIG. 1) in the longitudinal direction of the gutter, and the opening of the gutter The washing water 4 may be uniformly discharged in the width direction of the document 2 over the entire length of the upper end portion. In addition, the water discharge unit 6 is arranged so that the longitudinal direction of the water tank (not shown) is along the width direction of the material 2 placed on the inclined surface 3, the water supply pipe 9 is connected to the water tank, and the water tank is attached to the bottom and side surfaces of the water tank. A plurality of water discharge holes may be provided at a predetermined pitch along the longitudinal direction (vertical direction in FIG. 1), and washing water 4 may be discharged uniformly in the width direction of the material 2 from these water discharge holes.

A water discharge pipe is provided at least outside the width size of the document 2 placed on the inclined surface 3 on the downstream surface of the upright portion 16b of the pressing member 16 in the direction of flow of the washing water 4 flowing on the inclined surface 3. A supporting portion 18 having a pair of arcuate portions 18a and 18b is provided for rotatably supporting the member 7 in the circumferential direction. The water discharge pipe 7 is inserted from the opening side (left side in FIG. 2(b)) of the pair of circular arc portions 18a and 18b, the pair of circular arc portions 18a and 18b are elastically deformed and widened, and the water discharge pipe 7 is inserted into the pair of circular arc portions. When fitted into 18a, 18b, the pair of arcuate portions 18a, 18b are restored to support the water discharge pipe 7. As shown in FIG. The water discharge pipe 7 is fitted in the pair of circular arc portions 18a and 18b and rotated in the circumferential direction of the water discharge pipe 7, so that the wash water is discharged from the water discharge holes 7a of the water discharge pipe 7 and falls onto the inclined surface 3. The position of the falling point 4a of 4 can be adjusted. The drop point 4a of the wash water 4 that is discharged from the water discharge hole 7a of the water discharge pipe 7 and falls onto the inclined surface 3 is the direction in which the wash water 4 flows on the inclined surface 3 (from right to left in FIG. 2B). direction), it is preferably downstream of the downstream end of the pressing portion 16a of the pressing member 16 and upstream of the portion of the curing member 10 where the material 2 is not sandwiched. Although FIG. 1 shows an example in which the washing water 4 flows in the longitudinal direction of the base 5, the washing water 4 may flow in the width direction of the base 5. As shown in FIG. In this case, the water pressure is adjusted so that the cleaning water 4 flows uniformly from the water discharge holes 7a of the long water discharge pipe 7 arranged in the longitudinal direction of the base 5. FIG.

<Covering material>
The material 2 washed by the washing water 4 flowing on the inclined surface 3 is sandwiched by the curing member 10 shown in FIG. 3 to prevent damage. The curing member 10 is provided on the water retention layer 11 provided on the inclined surface 3, the support layer 12 provided on the water retention layer 11 and supporting the material 2, and the material 2 placed on the support layer 12. and a protective layer 13 . The protective layer 13, the support layer 12, and the water retention layer 11, which constitute the curing member 10, all have water permeability.

The water retaining layer 11 of this embodiment is composed of eight layers of polyester paper 11a and two layers of sunmore paper 11b. The polyester paper 11a itself does not absorb water, but by stacking eight layers, a water-flowing layer is formed between each layer. As a result, it functions as a running water auxiliary layer that assists the flow of washing water 4 on the inclined surface 3 . Moreover, the polyester paper 11a is smooth with small surface roughness on the front and back. Therefore, the frictional resistance of the washing water 4 flowing on the polyester paper 11a is small. The polyester paper 11a has water permeability. The Sunmore paper 11b is a wet-laid nonwoven fabric mainly composed of pulp and polypropylene. A sponge can be used instead of the eight layers of polyester paper 11a. The water retention layer 11 has a water retention function as well as a function as a water flow auxiliary layer for improving the flow of the washing water 4 flowing on the inclined surface 3 . The support layer 12 uses one layer of rayon paper. Rayon paper is a nonwoven fabric based on fibers made by chemically synthesizing wood pulp or the like. The protective layer 13 uses one layer of polyester paper. Polyester paper has water permeability. The protective layer 13 made of polyester paper has both the function of protecting the surface of the material 2 and the function of a water auxiliary layer for improving the flow of the washing water 4 flowing on the inclined surface 3 . The cleaning water 4 flowing on the inclined surface 3 also flows through the gap between the protective layer 13 made of polyester paper and the surface of the material 2 . A support layer 12 made of rayon paper has the function of supporting the material 2 . The sunmore paper 11b has a water retention function. The polyester paper 11a has a water retaining function and a water assisting function for improving the flow of the washing water 4 flowing on the inclined surface 3. As shown in FIG. The direction of the materials 2 sandwiched by the curing member 10 is appropriately selected from the safest direction in which the washing water 4 flowing on the inclined surface 3 does not spread the damage of the materials 2 depending on the damage condition of the materials 2 .

<Assembly of material cleaning device 1>
First, when assembling the material cleaning apparatus 1, the table 14 is placed on the floor surface 21 shown in FIG. The lower surface of the pedestal 5 is attached to the upper ends of the tilt angle adjusting members 15a and 15b, and the height of the tilt angle adjusting members 15a and 15b is adjusted to set the tilt angle θ of the tilt surface 3 to about 10°. Thereafter, eight layers of polyester paper 11a are stacked on the inclined surface 3, and two layers of Sunmore paper 11b are further stacked to form the water retaining layer 11. As shown in FIG. After that, a support layer 12 made of one layer of rayon paper is overlaid on the water retention layer 11 and the material 2 is placed on the support layer 12 . A protective layer 13 made of one layer of polyester paper is placed on the material 2 . The outer shape of the curing member 10 consisting of the water retaining layer 11, the supporting layer 12 and the protective layer 13 is larger than the outer shape of the material 2 is used.

At the upper end of the curing member 10 (the right end in FIG. 2A), the pressing portion 16a of the pressing member 16 is brought into contact with the portion where the material 2 is not sandwiched, and the upper surface of the pressing portion 16a and the lower surface of the pedestal 5 are pressed together. It is clamped and fixed by clip members 17 . After that, the water discharge pipe 7 is pushed in from the opening side (the left side in FIG. 2(b)) of the circular arc portions 18a and 18b of the support portion 18 provided in the pressing member 16, and the water discharge pipe 7 is pushed by the restoring force of the circular arc portions 18a and 18b. pinch. The water discharge pipe 7 is rotated in the circumferential direction so that the water discharge hole 7a of the water discharge pipe 7 faces the inclined surface 3. - 特許庁The direction of the water discharge hole 7a may be in a direction orthogonal to the inclined surface 3, but it should be arranged so that the wash water 4 discharged from the water discharge hole 7a is arranged to land on the inclined surface 3 in a parabola. Any configuration is fine. One end in the longitudinal direction of the water discharge pipe 7 (the upper end in FIG. 1) is closed in advance by a closing member 8, and the other end in the longitudinal direction of the water discharge pipe 7 (the lower end in FIG. 1) is supplied with water in advance. A tube 9 is connected. Further, upstream of the water supply pipe 9, a filtering device (not shown) is connected in advance. The material cleaning apparatus 1 can be dismantled by following the process reverse to the assembly process of the material cleaning apparatus 1 described above.

According to the material washing apparatus 1, the materials 2 can be protected while the contaminants such as acidic substances adhering to the materials 2 can be sufficiently removed.

As an example of utilization of the present invention, it can be applied to a material washing apparatus for washing materials such as paintings, old documents, books, printed matter, drawings, and other cultural property historical materials stored in museums and the like.

1... Material cleaning device 2... Material 3... Inclined surface 4... Cleaning water (ion-exchanged water)
4a... Falling point 5... Pedestal 6... Water discharge part 7... Water discharge pipe (cylindrical body)
7a... Water discharge hole 8... Blocking member 9... Water supply pipe 10... Curing member 11... Water retention layer 11a... Polyester paper 11b... Sunmore paper 12... Support layer 13... Protective layer 14... Table 15a, 15b... Tilt angle adjustment member 16... Presser Member 16a Pushing portion 16b Standing portion 17 Clip member 18 Supporting portion 18a, 18b Arc portion 19 Waste liquid container 20 Guide member 21 Floor surface θ Gradient angle

Claims (4)

an inclined surface on which the material is placed;
a water discharge unit disposed above the inclined surface for discharging washing water onto the material placed on the inclined surface;
a curing member for eluting contaminants from the material, comprising a support layer that supports the material with at least water permeability;
A material washing apparatus, wherein the washing water sprayed onto the material by the water discharge unit flows down along the inclined surface while washing the material. The water discharge part is
having a cylindrical body whose longitudinal direction is arranged along the width direction of the material on the inclined surface;
The cylindrical body has a plurality of water discharge holes along the longitudinal direction,
2. A material cleaning apparatus according to claim 1, wherein one longitudinal end of said cylindrical body is closed and cleaning water is supplied from the other end. The materials are sandwiched by the curing members to prevent damage,
The curing member further comprises a water retention layer provided between the inclined surface and the support;
a protective layer provided on the material placed on the support layer;
has
3. The material washing apparatus according to claim 1, wherein said protective layer and said water retaining layer have water permeability. 4. The material cleaning apparatus according to claim 1, wherein said cleaning water is ion-exchanged water.

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