JP6506682B2 - Glass-lined opening / closing lid and glass-lined container comprising the same - Google Patents

Description

  The present invention relates to a glass-lined opening / closing lid having a glass-lined inner surface and a glass-lined container provided with the same.

  Conventionally, containers used for performing various treatments in pharmaceuticals, foodstuffs, fine chemicals, electric materials, chemical products, petrochemicals, etc. are often processed with corrosive processed products, so containers made of glass lining are used. It is used. The glass-lined container is a glass-lined container in which the inner surface or the like of a metal container is covered with a glass layer, and has high sanitary property and high corrosion resistance.

  In addition, in such glass-lined containers, an opening for introducing an object to be treated into the container, and internal cleaning of the container and entry and exit of the container (internal inspection, maintenance, etc.) Or the opening part for performing internal visual observation etc. is provided in multiple places. The opening and closing lid is provided at these openings. Like the container, the opening / closing lid is glass-lined at a portion which may come in contact with the object to be treated.

  As this glass lining container, there is one equipped with a stirrer and used as a reactor. Hereinafter, the container made of glass lining provided with this stirrer is demonstrated to an example. As such a glass lining container, for example, there is one in which a manhole serving as an opening is integrally formed by drawing processing from a tank main body (container main body) (see, for example, Patent Document 1). In this glass-lined container, a plurality of openings are provided on the upper surface of the container body.

JP, 2011-16087, A

  By the way, in the case of a reactor as described above, it is often used as a batch type (batch type) reactor. For example, at the time of manufacturing a pharmaceutical product, a plurality of objects to be treated, a drug solution, and the like are charged, stirred and reacted to obtain a desired mixture, discharged, and then washed to stir the plurality of objects to be treated again. There is a use form such as performing a reaction.

  Further, when such cleaning is required, a corrosion-resistant stationary cleaning tool is usually inserted into the container from the opening provided on the upper surface of the glass-lined container. Then, before the opening and closing lid is opened, a cleaning solution (washing water) is radiated from the stationary cleaning tool to wet the processing object scattered in the container to wet down to suppress the scattering of powder, and then the opening and closing lid is opened. Do. Furthermore, at the time of normal cleaning, the inner surface of the glass lining container is cleaned by the cleaning solution emitted from the stationary cleaning tool. In particular, at the time of pharmaceutical production, a high degree of cleaning is required so that the object does not adhere to the opening and its periphery from the viewpoint of prevention of cross contamination (cross contamination) and safety of workers. Be done.

  However, since the opening for providing the open / close lid is formed in a cylindrical shape projecting from the container body, it is difficult to clean the vicinity of the open / close lid in a closed state. In addition, in the field where glass lining is used, corrosion resistance is often required, and in such applications, the stationary cleaning device can not utilize a complex cleaning device. Therefore, particularly in applications where cleaning is required, much time and effort are required for the inner surface cleaning operation performed between each batch process.

  Therefore, an object of the present invention is to provide a glass-lined open / close lid capable of carrying out fixed cleaning of the inner surface in a closed state of a glass-lined lid body and a glass-lined container provided with the same.

  In order to achieve the above object, the glass lining open / close lid according to the present invention is a glass lining open / close lid provided in an opening of a glass lining container, and is fixed to an end edge of the opening by a fixing member And a lid body disposed in the interposer so as to be able to open and close the opening and closing the opening in contact with a seal member provided on the open side of the interposer. The lid body is glass-lined on the inner surface, and the interposer has a spray nozzle for spraying a cleaning solution to a portion including the inner surface of the interposer and the inner surface of the lid body from the lateral direction. doing. The "intermediate body" in the specification and claims of the present invention refers to one made of a resin material, a metal material or the like having corrosion resistance.

  According to this configuration, after using the container made of glass lining, the opening for fixing the intermediate body and the opening and closing lid by spraying the cleaning liquid from the spray nozzle provided in the intermediate body before opening the opening and closing lid The peripheral inner surface of can be cleaned in place. As a result, after processing the corrosive material, the inner surface portion can be fixedly cleaned with the cleaning liquid without opening the open / close lid.

  Further, the spray nozzle may be configured of a conical nozzle that sprays in a circular spray pattern. According to this structure, it is possible to spray the cleaning solution over a wide range without affecting the angle when the spray nozzle is mounted on the interposer.

  The lid body may further include a viewing window in a central portion, and the spray nozzle may be provided to spray a cleaning solution to a portion including the inner surface of the viewing window. According to this structure, the cleaning state of the inner surface of the open / close lid can be confirmed from the observation window without opening the open / close lid. Moreover, since the cleaning solution is also sprayed to the viewing window, the inner surface of the viewing window can also be cleaned by the spray nozzle.

  In addition, the interposer is obliquely fixed along the slope at the edge of the opening, and the spray nozzle sprays the cleaning liquid from the lower position to the upper slope of the intermediate member to the upper position. It may be provided. According to this structure, the cleaning liquid sprayed from the spray nozzle disposed at the lower position of the lower end of the interposer to the upper upper position flows down to the portion of the spray nozzle along the inner surface of the intermediate by gravity. The spray nozzle can be self-cleaned.

  Further, the intermediate body may have a ring member for supporting the lid main body, and the ring member may have an open / close fulcrum for supporting the lid main body so as to be able to open and close. According to this structure, the spray nozzle can be disposed at a position where the lid body does not have the opening and closing fulcrum, and piping and the like for supplying the cleaning liquid to the spray nozzle can be easily attached and detached.

  On the other hand, the glass-lined container according to the present invention is a glass-lined container provided with any of the above-mentioned glass-lined open / close lids, and the glass-lined open / close lid is provided at the opening provided on the upper surface of the container body. Have.

  With this configuration, the inner surface around the opening and the lid can be cleaned with the cleaning liquid without opening the glass lining lid provided in the opening of the glass lining container, and the inside of the glass lining container can be cleaned. The time and labor required for cleaning can be reduced.

  ADVANTAGE OF THE INVENTION According to this invention, it becomes possible to provide the glass lining open-and-close lid which can carry out the fixed cleaning of an inner surface easily in the state which closed the lid body to which glass lining was given.

FIG. 1 is a cross-sectional view showing a glass lining container according to an embodiment of the present invention. FIG. 2 is a plan view showing an opening in the upper surface of the glass lining container shown in FIG. FIG. 3 is an enlarged cross-sectional view showing the opening and the clamp and hinge portion of the glass lining open / close lid shown in FIG. FIG. 4 is an enlarged sectional view showing a portion of the opening shown in FIG. 1 and a ring member of the glass lining open / close lid. FIG. 5 is a plan view of the glass lining open / close lid shown in FIG. FIG. 6 is an enlarged cross-sectional view taken along the line VI-VI in FIG. FIG. 7 is a cross-sectional view showing a use state of the spray nozzle shown in FIG.

  Hereinafter, embodiments of the present invention will be described based on the drawings. In the following embodiment, a container 1 made of glass lining provided with a stirrer will be described as an example. The concept of the vertical direction in the document of this specification and the claims corresponds to the concept of the vertical direction in the glass lining container 1 in the state shown in FIG.

(Structure of container 1 made of glass lining)
FIG. 1 is a cross-sectional view showing a glass lining container 1 according to an embodiment, and FIG. 2 is a plan view showing an opening in the top surface of the glass lining container 1 shown in FIG. In FIG. 2, the part in which the hinge part 30 in the glass lining opening-closing lid 20 mentioned later is located is shown with the dashed-two dotted line. The glass lining container 1 of this embodiment has a container body 2. The container body 2 has an arc-shaped end plate shape in which the middle portion 3 has a cylindrical shape, and the upper surface 4 and the lower surface 5 are respectively protruded and curved in the vertical direction. The container body 2 is formed of iron such as low carbon steel, low carbon stainless steel such as SUS304L or SUS316L. The inner surface of the container main body 2 is glass-lined to provide high corrosion resistance, and the object having high corrosion resistance can be stirred inside.

  A pivot shaft 7 for pivoting the stirring blade member 6 inside the container body 2 is inserted into the container body 2 from the fourth opening 15 of the upper surface 4. The pivot shaft 7 is driven by a drive motor 8 provided at the top. Further, the upper surface 4 has a first opening 10 (nozzle portion) opened for the purpose of introducing an object to be processed into the inside of the container body 2, checking of the inside, internal inspection, maintenance, etc. It is provided integrally with the Furthermore, a second opening 12 (nozzle portion) for inserting a baffle 11 for promoting the reaction of the processing object on the upper surface 4 and a resin sprayer for spraying cleaning water around the stationary cleaning tool 13 (for example, surrounding) A third opening 14 (nozzle portion) into which a tool or the like is inserted is provided integrally with the container body 2. The third opening 14 is provided at a symmetrical position with respect to the center of the container body 2. The openings 10, 12, 14 are formed to project upward from the upper surface 4. The openings 10, 12, 14 can be formed by drawing processing in which the upper surface 4 of the container main body 2 is drawn upward for plastic processing. In addition, although the opening part for inserting other members (for example, a chemical | medical agent injection member etc.) in the inside of the container main body 2 is normally provided in the upper surface 4, those description is abbreviate | omitted.

  The lower surface 5 of the container body 2 is integrally provided with a discharge port 16 for discharging the object to be processed from the inside of the container body 2. The discharge port 16 can also be formed by a drawing process in which the lower surface 5 of the container body 2 is drawn downward and plastically processed. The outlet 16 is provided with an on-off valve (not shown).

(Structure of glass lining lid 20)
Hereinafter, the glass lining open / close lid 20 provided at the edge of the first opening 10 will be described. FIG. 3 is an enlarged sectional view showing the first opening 10 shown in FIG. 1 and the clamp 32 and the hinge 30 of the glass lining open / close lid 20, and FIG. 4 shows the first opening 10 and the glass lining FIG. 6 is an enlarged cross-sectional view showing a portion of the ring member 25 of the open / close lid 20.

  As shown in FIG. 3, a glass lining open / close lid 20 (hereinafter simply referred to as “open / close lid 20” for inserting an object to be processed into the inside of the container body 2 or checking the inside into the first opening 10. ) Is equipped. The open / close lid 20 has an openable lid main body 21 and an observation window 22 provided in a central portion of the lid main body 21. The lid body 21 is glass-lined on its inner surface, and has corrosion resistance to the object to be treated. The observation window 22 is formed of, for example, a glass plate, and is fixed to the upper surface of the lid main body 21 by providing gaskets 22a at the top and bottom and fixing the fixing bracket 22b to the bolt 22c. The viewing window 22 allows the inside of the container body 2 to be viewed from the outside. Further, a handle 23 for opening and closing is provided on the upper surface of the lid body 21.

  Furthermore, the open / close lid 20 has a ring-shaped interposer 24 fixed to the end edge of the first opening 10. The interposer 24 is formed of a resin material or metal material having corrosion resistance. The interposer 24 can be made of, for example, PTFE (polytetrafluoroethylene). In addition, the interposing member 24 may be made of a fluorocarbon resin (tetrafluorinated resin, trifluorinated resin or the like), a metal having corrosion resistance, or the like.

  As shown in FIG. 4, the interposing body 24 is provided with a ring member 25 of metal material around the periphery. The ring member 25 is fixed to a flange portion 10 a formed at an end edge portion of the first opening 10 by a fixing clamp 27. The interposing body 24 is fixed to the flange portion 10 a by screwing the bolt 28 of the fixed clamp 27 into the ring member 25 in a state where the ring-shaped gasket 26 is provided between the interposing body 24 and the flange portion 10 a. The configuration for fixing the intermediate body 24 to the flange portion 10a (end edge portion) is a fixing member. Thus, by fixing the interposing body 24 to the flange portion 10a with the gasket 26 interposed therebetween, the distortion peculiar to the glass lining in the flange portion 10a is absorbed by the gasket, and the interposing body 24 is a portion in contact with the lid main body 21. The bonding surface 24 a is smoothed.

  The interposing body 24 is provided with a seal member 29 (for example, an O-ring made of fluorine rubber, nitrile rubber, silicon rubber, etc.) on the joint surface 24 a with the lid main body 21 on the open side. The lid body 21 can properly maintain the sealing property by the seal member 29 at the time of closing. As shown in FIG. 3, the open / close lid 20 is disposed in a state in which the lid body 21 can be opened and closed with respect to the interposer 24 by a hinge portion 30 provided on the ring member 25. The hinge portion 30 is configured to open and close the swing arm 30b provided to the lid main body 21 with respect to the support arm 30a provided to the ring member 25 centering on the support shaft 30c. The hinge portion 30 is configured to support the lid body 21 so as to be able to open and close. In this embodiment, the hinge 30 is positioned to the side of the first opening 10, and the lid body 21 can be opened and closed in the lateral direction. The hinge portion 30 is provided with a balancer 31 which reduces the force for opening and closing the lid body 21.

  In addition, the lid body 21 can maintain sealing property by the seal member 29 provided on the joint surface 24 a of the interposing body 24 at the time of closing, and the lid body 21 is closed by such a seal structure of the lid body 21. Sometimes the number of clamps fixed is reduced. In this example, it can be closed by fixing three places with the clamp 32.

  FIG. 5 is a plan view of the glass lining lid 20. As shown in FIG. As shown in the drawing, according to the glass lining lid 20 configured as described above, the lid body 21 can be opened and closed in the lateral direction by the hinge portion 30 of the ring member 25 provided around the interposer 24. As shown in FIGS. 1 and 2, the glass lining container 1 has a shape in which the upper surface 4 is curved from the center toward the outer periphery. The first opening 10 is inclined so that the center side of the container body 2 is high and the outer circumference side is low. Therefore, the intermediate body 24 fixed to the flange portion 10a formed at the end edge portion of the first opening 10 is also fixed in an inclined state in which the central side is high and the outer peripheral side is low.

  And in this embodiment, the spray nozzle 40 is provided in the outer peripheral side which is the inclination downward position of the interposer 24. As shown in FIG. That is, the spray nozzle 40 is provided at the inclined lower position of the intermediate body 24 and is provided to spray the cleaning liquid W from the inclined lower position toward the center side which is the inclined upper position.

  Further, the spray nozzle 40 is provided at a position without the hinge portion 30 which is an open / close fulcrum for supporting the lid body 21 so as to be able to open and close. As a result, the supply piping 43 for supplying the cleaning liquid W to the spray nozzle 40, the on-off valve 42, and the like can be easily attached and detached.

(Configuration of spray nozzle 40)
As shown in FIG. 6, the spray nozzle 40 is provided on the intermediate body 24 of the open / close lid 20 so that the inside can be fixedly cleaned without opening the lid main body 21. The spray nozzle 40 of this embodiment is provided on the interposer 24 so as to spray the cleaning liquid from the outer peripheral side to the center side on the curved upper surface 4 of the container body 2. As the spray nozzle 40, a conical nozzle that sprays in a circular spray pattern can be used. By using a conical nozzle, it is possible to spray the cleaning solution over a wide range without affecting the screwing angle when providing the spray nozzle 40 in the interposer 24. The spray nozzle 40 may be a nozzle other than a conical nozzle, and may be a fan-shaped spray pattern. In the case of a fan-shaped spray pattern, when the spray nozzle 40 is provided so as to spread in the lateral direction, it is possible to clean a wide range in the lateral direction. If the spray nozzle 40 is attached so that the jet direction extends in the longitudinal direction, a wide range in the longitudinal direction can be cleaned.

  As the spray nozzle 40, for example, a high pressure conical radiation type nozzle having an attachment screw size of about 1/8 can be used. Further, as a material of the spray nozzle 40, for example, one having high corrosion resistance such as PTFE can be used.

  The interposer 24 is provided with a through hole 24 b. A pipe 41 is connected to the outside of the through hole 24b. And the spray nozzle 40 is provided in the inner side edge part of the through-hole 24b. The pipe 41 is inserted through the through hole 25 a of the ring member 25 provided around the interposer 24. An open / close valve 42 is connected to the outer end of the pipe 41. When the cleaning liquid is sprayed from the spray nozzle 40, the on-off valve 42 is opened to spray the cleaning liquid from the spray nozzle 40.

  In addition, the structure of the spray nozzle 40, the structure which arrange | positions the spray nozzle 40, etc. are not limited to this embodiment. The spray pattern of the spray nozzle 40 is not limited to a cone. The number of spray nozzles 40 may not be one, but may be plural. For example, they may be arranged symmetrically at equal angles on the left and right with respect to the most inclined lower position of the interposer 24. Further, a one-touch coupling may be provided at the outer end of the pipe 41 so that the on-off valve 42 can be connected by one-touch. In this case, by providing the on-off valve also on the side of the piping 41, the inside of the container can be sealed.

  In this embodiment, the spray nozzle 40 is disposed to spray the cleaning solution W from the outer peripheral side of the container body 2 toward the center side, but the opening / closing direction of the lid body 21 or the upper surface 4 of the container body 2 is a horizontal surface etc. For this purpose, the spray nozzle 40 may be arranged to be suitable for cleaning.

(Function and effect of the spray nozzle 40)
As shown in FIG. 7, according to the spray nozzle 40, the interposing body 24 provided at the edge of the first opening 10 provided on the curved upper surface 4 (FIG. 1) of the container body 2. The cleaning solution W is sprayed obliquely from the lower position to the upper position. The cleaning liquid W can clean a portion including the inner surface of the insert 24, the inner surface of the lid body 21, and the inner surface of the observation window 22 from the edge of the first opening 10.

  Therefore, the portion between the end edge of the first opening 10 and the lid body 21 (especially, the center side portion of the container body 2), which is difficult to clean with the cleaning-in-place tool 13 provided inside the container body 2; The inner surface and the like of the viewing window 22 can be stationarily cleaned in a closed state without opening the lid body 21. Moreover, before the lid main body 21 is opened, it is possible to wet the material to be treated that is scattered inside the container main body 2 and to make it wet down.

  In addition, the cleaning liquid W sprayed to the space between the first opening 10 and the lid body 21 or to the portion of the observation window 22 flows down in the direction of the spray nozzle 40 along the inner surface of the interposer 24 or the like by gravity. Then, the spray nozzle 40 and its surroundings can be cleaned by the cleaning solution W flowing down. That is, the cleaning nozzle 40 can be self-cleaned by the cleaning liquid W sprayed from the spray nozzle 40.

  Moreover, in this embodiment, since the spray nozzle 40 is provided to the interposer 24 fixed to the first opening 10 having the open / close lid 20, internal cleaning is possible without opening the lid main body 21. After washing, the lid body 21 can be opened with the supply pipe 43 connected. That is, since the supply pipe 43 is connected to the pipe 41 of the intermediate body 24 fixed to the end edge portion of the first opening 10, the supply pipe 43 is kept connected regardless of the open / close state of the lid main body 21. be able to.

  In the above description, the first opening 10 in which the open / close lid 20 is provided is described as an example, but the present invention can be applied to other second opening 12 and third opening 14 as well.

(Other embodiments)
In the embodiment described above, the glass-lined container 1 including the stirrer for mixing the objects to be processed has been described as an example, but the present invention is also applied to a reactor, a dryer, and a storage tank for processing objects to be treated such as liquid and slurry. The application of the container using the glass-lined opening / closing lid 20 and the type of the object to be treated are not limited to the above embodiment.

  In the embodiment described above, the container 1 made of glass lining has been described as an example in which the middle portion has a cylindrical shape and the upper surface 4 and the lower surface 5 project in the vertical direction to form an arc-shaped end plate. The upper surface and the lower surface of may be formed in a flat plate shape. Furthermore, in the above-described embodiment, the elliptical first opening 10 is described as an example, but the shape of the opening is not limited to this, and may be another shape (for example, circular, rectangular, etc.) It is also good.

  Moreover, the above-mentioned embodiment shows an example, and an opening is provided so that it may project from container main part 2, and it is applicable in the case where the end edge of the opening is closed by opening and closing lid 20. . Therefore, even if the configuration of the container main body 2 and the configuration of the opening are different, the present invention can be implemented, and various configurations may be changed without impairing the gist of the present invention. It is not limited to the embodiment.

(Summary)
As described above, according to the glass-lined opening / closing lid 20, in the portion of the first opening 10 (which may include the second opening 12 and the third opening 14) provided in the glass-lined container 1 The internal cleaning can be performed in-place with the cleaning liquid W sprayed from the spray nozzle 40 provided in the first opening 10. Therefore, it is possible to spray the cleaning liquid W from the spray nozzle 40 to wet the fine powder and make it wet down in a container or the like in which the object of the fine powder is reacted before the lid body 21 of the glass lining open / close lid 20 is opened. . As a result, when the lid body 21 is opened, it is possible to prevent the fine powder from scattering from the container body 2 to the outside.

  Further, in addition to the internal cleaning of the container main body 2 by the stationary cleaning tool 13 provided inside the container main body 2, the cleaning liquid W is jetted from the spray nozzle 40 to clean the periphery of the first opening 10 and the opening / closing lid 20. It becomes possible to carry out and wash | clean with the washing | cleaning liquid to every corner of the inner surface of the container main body 2. FIG. Thereby, the high sanitary property of the container body 2 can be realized.

1 Glass lining container
2 container body
DESCRIPTION OF SYMBOLS 4 upper surface 10 1st opening part 10a flange part 12 2nd opening part 13 stationary cleaning tool 14 3rd opening part 20 glass lining opening-and-closing lid 21 lid main body 22 view window 24 intermediate body 24a joint surface 24b through hole 25 ring member 25a Through hole 27 Fixed clamp 29 Seal member 30 Hinge part 40 Spray nozzle 41 Piping
W Cleaning solution

Claims (6)

A glass lining open / close lid provided at an opening of a glass lining container,
An interposer fixed to the end edge of the opening by a fixing member;
And a lid main body disposed in the intermediate body so as to be able to open and close the opening and closing the opening in contact with a seal member provided on the open side of the intermediate body.
The lid body is glass-lined on the inner surface,
The glass lining open / close lid according to claim 1, wherein the interposed body has a spray nozzle for spraying a cleaning solution to a portion including the inner surface of the interposed body and the inner surface of the lid body from the lateral direction.   The glass-lined open / close lid according to claim 1, wherein the spray nozzle comprises a conical nozzle that jets in a circular spray pattern. The lid body further comprises a viewing window in the central portion,
The glass-lined open / close lid according to claim 1, wherein the spray nozzle is provided to spray a cleaning solution to a portion including the inner surface of the observation window. The interposer is fixed obliquely along the slope at the edge of the opening,
The glass-lined open / close lid according to any one of claims 1 to 3, wherein the spray nozzle is provided to spray the cleaning solution from an inclined lower position to the inclined upper position of the interposer. . The interposer has a ring member for supporting the lid body,
5. The glass lining open / close lid according to claim 4, wherein the ring member has an open / close fulcrum which supports the lid main body so as to open and close. A glass-lined container comprising the glass-lined open / close lid according to any one of claims 1 to 5, comprising:
A glass-lined container comprising the glass-lined open / close lid at an opening provided on the upper surface of the container body.

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