JP2007237151A - Floating nozzle - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a floating nozzle having an integrally fabricated structure so as to facilitate the guiding and straightening adjustment of a discharge fluid while discharging the fluid from one or more slits. <P>SOLUTION: The floating nozzle is for discharging the fluid in one state of a normal temperature fluid, a hot fluid, a low temperature fluid. The floating nozzle 30 is square-shaped, wherein the fluid is discharged from two slits 33. The arrow denotes the flow direction of the fluid. The square shape is formed by integrally forming longitudinal side wall surfaces 31 as both sides in the longitudinal direction and a bottom wall surface 34 provided with a fluid receiving port 39 as a bottom and providing short side wall surfaces direction as both sides in the short side direction. A chevron wise fluid guide wall surface 36 guiding and flow-straightening the fluid flowing-in from the fluid receiving port 39 is formed and provided with a plurality of fluid flowing holes 36a for causing the fluid to flow. The diameter of the fluid flowing hole 36a is determined corresponding to the required quantity of the fluid to be discharged. The interval between the slits 33 for discharging the required fluid is determined by the longitudinal side wall surfaces 31 along the longitudinal direction and a longitudinal upper wall surface 32. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

  The present invention is a floating nozzle that discharges a fluid in a state of any one of a normal temperature fluid, a thermal fluid, and a low temperature fluid from a plurality of slits. The present invention relates to a floating nozzle that floats a support by discharging.

  Conventionally, a support that floats and travels on a support that is continuously conveyed may be referred to as a web. Title of invention: Air flotation treatment method for web. Reference numerals are described as in the publication. When a solution is applied to one or both sides of a thin web that travels and dried with hot air, the web is held and passed by using the flow of heated air without touching anything until the end of the drying process. A wind tunnel for flotation is presented. The wind tunnel 1 is equipped with a hot air blowing slit nozzle 3, an air blowing hole 4 for preventing web contact on the web inlet side, and a suction hole 5 for decompression on the web outlet side. The web 2 is slowly dried. Since the wind tunnel 1 has three locations of a hot air blowing slit nozzle 3, an air blowing hole 4 for preventing contact, and a suction hole 5 for decompression, it has a structure for feeding hot air and air and sucking the mixture thereof. The conveyance speed of 2 is left to wind. The structure of the blow slit, the blow hole, and the suction hole based on the wind tunnel structure inevitably becomes a complicated structure in manufacturing cost, hot air supply of the blower base, and air supply. (See Patent Document 1.2)

  It is possible to control the generation of flaps and wrinkles on a thin web. Title of invention: Floating nozzle and floating method. Reference numerals are described as in the publication. Side plates 3 were provided at both ends in the width direction of the floating nozzle 1 having at least one slit 2. Since the gas injected from the slit flows in the direction of lifting both ends of the web 3, it is possible to run the thin web without flapping or wrinkles even with low tension. In the form of the floating nozzle 1, when the web conveyance speed is high-speed conveyance, there arises a problem that the fluttering at both ends of the web increases. The internal structure of the floating nozzle is unknown. (See Patent Document 3).

The sheet drying zone is continuously run in a stable state without causing a contact phenomenon and dried. Title of invention: Dryer nozzle and floating drying apparatus equipped with a dryer nozzle.
Reference numerals are described as in the publication. Drying air is blown from a pair of nozzle ports 22 provided with the traveling direction orthogonal to A on the surface 21 facing the sheet-shaped body 1 to be continuously traveled, so that the sheet-shaped body 1 is floated. Hold and run continuously to dry. A static pressure region holding portion 26 that is positioned on the front side and the rear side in the traveling direction A with respect to the nozzle port 22 and holds the flying pressure with respect to the sheet-like object 1 is integrally formed. FIG. 7 is a cross-sectional view of a main part of a conventional dryer nozzle, FIG. 1 is a cross-sectional view of the main part of the dryer nozzle, and FIG. 3 is a perspective view of the main part, but the internal structure of the dryer nozzle 20 is unknown. (See Patent Document 4).

  Even when the transfer speed of the support becomes high-speed transfer, the fluttering at both ends of the support does not become conspicuous, stable high-speed transfer operation is possible, and productivity can be improved. Title of invention: Floating nozzle and floatin method. Reference numerals are described as in the publication. The support is floated while blowing gas on the support that is continuously conveyed. The floating nozzle includes a housing portion serving as a nozzle body, a nozzle slit that is formed along the longitudinal direction of the support surface of the housing portion and serves as a gas outlet, and both longitudinal ends of the housing portion. The flow control plate has an inclined surface formed toward the central portion of the nozzle slit so as to be a roof of the end portion of the nozzle slit. It is configured to be. The internal structure of the floating nozzle 10 is provided with two slits in the housing 11 and flow control plates 20, 30, and 40 formed at both ends in the longitudinal direction of the housing portion 11. And there is no special device in the internal structure with the housing 11. (See Patent Document 5).

  JP 5651266 A   Japanese Patent Publication No.59-53109   JP-A-9-262504   JP-A-10-339575   JP 2000-24574 A

It is an example of a conventional floating nozzle. 7 to 10 are diagrams showing a conventional nozzle and an example of its use.
FIG. 7 is a cross-sectional view of an example of using a conventional floating nozzle.
Conventionally, the floating nozzle 30 is incorporated in the floating device 100 and connected to a hot air generator that generates hot air, for example, and sprayed with various target spray patterns. The floating nozzle 30 has a rectangular shape and is provided with two long slits 33 serving as discharge ports. The hot fluid that takes in and discharges hot air from the hot air generator discharges the curtain spray pattern from the slit 33 that is the discharge port. In the figure, the floating nozzle 30 is mounted in parallel above and below the fluid supply housing 29 provided in the floating device 100, and the fluid receiving port 39 provided on the bottom wall surface 38 of the floating nozzle 30 is provided with a fluid supply housing. The body 29 is fitted. The hot air generated by the hot air generator is supplied from the fluid receiving port 39 and discharges the hot fluid from the elongated slits 33 provided at two locations along the fluid guiding wall surface 36. The support body 70 is floated and conveyed by the thermal fluid discharged from the upper and lower long slits 33.

FIG. 8 is a perspective view showing an example of use of the conventional floating nozzle of FIG.
In the figure, the fluid supply housing 29 is omitted. The floating nozzle 30 was placed in parallel above and below. Thermal fluid is discharged from two elongated slits 33 provided in the floating nozzle 30. The thermal fluid discharged from the long slit 33 of the floating nozzle 30 floats the support 70 and is conveyed.

FIG. 9 is a perspective view of the conventional floating nozzle of FIG.
The floating nozzle 30 having a rectangular shape is provided with a longitudinal lateral wall surface 31 on both sides of a long surface of the rectangular body and a longitudinal upper wall surface 32 between the longitudinal lateral wall surfaces 31 and a fluid receiving port 39 for sucking in a thermal fluid or the like. The short wall surface 34 was provided on both sides of the bottom wall 38 provided and the short surface of the rectangular body. A slit 33 for discharging a thermal fluid was provided between the longitudinal lateral wall surface 31 and the longitudinal upper wall surface 32.
The slit 33 for discharging the thermal fluid is an important adjustment point of the floating nozzle.
The longitudinal horizontal wall 31 is provided with a slit adjusting screw 40 in a convex state and a planar fluid guiding wall fixing screw 45. It has been desired that the slit adjusting screw 40 be in a planar state where the convex portion obstructs the work.

FIG. 10 is a cross-sectional view of the conventional floating nozzle of FIG.
The sectional view of the floating nozzle 30 is symmetrical. On the right side of the figure, reference numerals are omitted and the flow of the thermal fluid is indicated by arrows. By the support body 70, the discharge amount of the left and right slits 33 is determined depending on how the distance between the lateral wall surface 31 in the longitudinal direction and the upper wall surface 32 in the longitudinal direction is increased. The upper wall surface 32 in the longitudinal direction is provided with a double wall surface 35 for preventing the heat fluid from radiating. The thermal fluid sucked from the fluid receiving port 39 of the bottom wall surface 38 discharges the thermal fluid from the left and right slits 33 along the fluid induction wall surface 36. The slit 33 is fixed by using a slit adjusting screw 40 that prevents the gap between the slits 33 from being deformed by thermal expansion and a width fixing washer 41, 42, 43, 44. A fluid guide wall fixing screw 36b for fixing the fluid guide wall 36 provided inside is provided. The fluid supply housing 29 provided in the floating device 100 and the fluid receiving port 39 of the floating nozzle 30 are fitted in the fluid supply housing 29. In order to improve the airtightness of the fitted fluid receiving port 39, the packing 37 is directly fixed to the fluid receiving port 39 on the bottom wall surface 38. In some cases, a wire mesh for rectification adjustment is provided at the fluid receiving port 39. Since the packing 37 was directly fixed to the fluid receiving port 39 of the bottom wall 38, workability when replacing the packing 37 was not good.

FIG. 11 is an enlarged cross-sectional view of a part of FIG.
The flow of the thermal fluid from the floating nozzle 30 is indicated by an arrow. The interval between the slits 33 is determined by the required discharge amount of the thermal fluid discharged from the slits 33. The floating nozzles 30 were placed in parallel above and below the fluid supply housing 29 provided in the floating device 100. The conditions for floating the support 70 are different depending on the place where the support 70 is placed. The optimum dimension is determined by the discharge amount of the fluid in the slit 33 at the place where it is placed. The dimensions of the lateral wall surface 31 in the longitudinal direction, the longitudinal wall surface 32 in the longitudinal direction, the double wall surface 35 fixed to the longitudinal wall surface 32 in the longitudinal direction, and the like are determined by the optimum dimensions. A direction wall 34 is also determined.
The fluid guide wall surface 36 is fixed inside the longitudinal side wall surface 31 by a fluid guide wall surface fixing screw 36b in accordance with the dimensions of the rectangular body. In order to fix the distance between the slits 33, the fixing side washers 41, 42, 43, 44 and the slit adjusting screw 40 fix the longitudinal side wall surfaces 31, the longitudinal upper wall surface 32, and the fluid guide wall surface 36 on both sides. Is done. As indicated by the arrow, the flow of the thermal fluid of the floating nozzle 30 causes the thermal fluid received from the fluid receiving port 39 of the bottom wall surface 38 to collide with the double wall surface 35 along the fluid induction wall surface 36 and change the flow to be long. A predetermined amount of thermal fluid is ejected from the slit 33 through the direction lateral wall surface 31 and the longitudinal upper wall surface 32. It is extremely difficult to determine the dimensions for determining the discharge amount of the thermal fluid discharged from the slit 33.

FIG. 12 is a cross-sectional view showing a part of FIG.
The floating nozzles 30 placed in parallel above and below the fluid supply housing 29 provided in the floating device 100 have different intervals between the slits 33 depending on where they are placed. It should be avoided that the slit 33 is deformed by thermal expansion. The slit adjusting screw 40 and a width fixing washer 41, 42, 43, 44 were used for fixing. Cylindrical fixing washers 41, 42, 43, and 44 through which the slit adjusting screw 40 is passed have a size matched to the slit 33. A fixing washer 41, 42, 43, 44 manufactured between the longitudinal lateral wall 31, the longitudinal upper wall 32, the double wall 35 fixed to the longitudinal upper wall 32, and the fluid guide wall 36 is fitted into the slit. The assembly work to be fixed using the adjusting screw 40 is complicated and requires a great number of man-hours. We want to simplify the complicated structure of the floating nozzle 30 and reduce the cost. In addition, the finished product of the floating nozzle 30 often needs to be cleaned, but even if it is washed with water, water accumulates between the upper wall surface 32 in the longitudinal direction and the double wall surface 35 due to the structure, and is difficult to dry.

  Patent Documents 3, 4, and 5 of conventional floating nozzles have long slits that serve as one or more discharge ports, but have no structural features that allow fluid to pass through. The reference numerals are described in accordance with the reference numerals in the publication. In Patent Documents 1 and 2, since the wind tunnel 1 has three locations, that is, a hot air blowing slit nozzle 3, an air blowing hole 4 for preventing contact, and a suction hole 5 for decompression, hot air and air are fed in, and the mixture is supplied. Since the structure is a suction structure, the structure of the blow slit, the blow hole, and the suction hole on the wind tunnel structure is a complicated structure in terms of manufacturing cost, hot air supply of the blower base, and air supply. Become.

In addition, the floating nozzle 30 mounted in parallel above and below the fluid supply housing 29 provided in the floating device 100 described above adjusts the discharge amount of the thermal fluid to be discharged depending on the position of the mounting. . The interval of the slits 33 was changed depending on the discharge amount to be adjusted.
In order to avoid a change due to thermal expansion and cooling contraction and to secure a predetermined discharge amount, fixing is performed using a predetermined dimension fixing screw 40 and width fixing washers 41, 42, 43, and 44. A longitudinal lateral wall surface 31 provided on both sides for finishing the floating nozzle 30 in accordance with a predetermined dimension, a longitudinal upper wall surface 32, a double wall surface 35 fixed to the longitudinal upper wall surface 32, and a fluid guiding wall surface 36 Cylindrical fixing washers 41, 42, 43, and 44 that hold the interval were provided. Longitudinal lateral wall surface 31 arranged on both sides using fixing washers 41, 42, 43, 44 having a complicated cylindrical shape, longitudinal upper wall surface 32, and double wall surface fixed to longitudinal upper wall surface 32 35 and the fluid guiding wall surface 36 are fitted between the surfaces of the fluid guide wall 36 and fixed using the fixing screw 40 having a predetermined dimension, and the assembly and adjustment are complicated and require a great number of man-hours. Pursuing the complicated structure of the floating nozzle 30 to reduce the cost. In addition, the finished product of the floating nozzle 30 often needs to be cleaned, but even if it is washed with water, water accumulates between the upper wall surface 32 in the longitudinal direction and the double wall surface 35 due to the structure, and is difficult to dry. It is difficult to finely adjust the distance between the slits 33 of the floating nozzle 30 because of the structure. Pursuing a complex structure to reduce man-hours and material costs to reduce costs and maintain good quality.
There were many structural problems such as eliminating the welding process and eliminating the change in the material, for example, SUS.

  In the structure of the floating nozzle 30 in view of the above-described conventional drawbacks, the present invention has a longitudinal lateral wall surface 31 disposed on both sides, which are individual parts manufactured to a predetermined size, and a longitudinal upper wall surface disposed above. 32, a double wall surface 35 welded to the upper wall surface 32 in the longitudinal direction, and a cylindrical fixing washer 41, 42, 43, 44 that keeps the fluid guide wall surface 36, etc., at a predetermined interval are used. The assembly, fixing, welding, adjustment, and finishing operations are complicated and require a lot of man-hours. Cylindrical fixing washers 41, 42, 43, 44, a longitudinal lateral wall surface 31 disposed on both sides so as not to use the fixed screw 40 having a predetermined dimension, and a bottom wall surface 38 disposed on the bottom are integrated. No assembly of individual wall surfaces and no welding work. A fluid guide wall surface provided with fluid flow holes for fluid guidance and rectification adjustment is provided to facilitate adjustment of the discharge amount. The purpose of the present invention is to provide a floating nozzle that discharges a normal temperature fluid, a thermal fluid, and a low temperature fluid with improved performance and quality by pursuing the structure of the floating nozzle 30 and greatly reducing the number of manufacturing steps and reducing the depreciation. The fluid handled here is a gas and is in any state of a normal temperature fluid, a thermal fluid, and a low temperature fluid. The gas is air, oxygen, carbon dioxide, city gas, butane or the like.

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

  In order to achieve the above object, the present invention provides a room temperature fluid, a heat, and a heat from one or more elongated gaps in a rectangular shape that discharges a fluid in a state of any one of a normal temperature fluid, a thermal fluid, and a low temperature fluid. The floating nozzle 30 is a floating nozzle that discharges fluid in a state of either a fluid or a low-temperature fluid. The floating nozzle 30 is provided with a fluid receiving port 39 provided to receive the fluid on the bottom wall surface 38. Longitudinal lateral wall surfaces 31 were integrally formed on both long sides of the bottom wall surface 38 and formed by bending. One or more long gaps determined by the required fluid discharge amount between the longitudinal lateral wall surface 31 and the longitudinal upper wall surface 32 disposed so as to be sandwiched between the longitudinal lateral wall surface 31 and the slit are provided at one or more locations. The upper wall surface 32 in the longitudinal direction is provided with a fluid circulation hole 32a through which the fluid to be discharged is circulated, and a discharge port deformation preventing cylinder 32b in order to prevent a change in the shape of the upper wall surface 32 in the longitudinal direction due to fluid movement. The discharge port deformation preventing cylinder 32 b was welded to a main point of the upper wall surface 32 in the longitudinal direction. The welded upper wall surface 32 in the longitudinal direction is provided by being fixed to the important points on the inner surfaces on both sides of the lateral wall surface 31 in the longitudinal direction with a fixed flat screw 32c. It was provided on a mountain-shaped fluid guide wall surface 36 provided with a fluid flow hole 36a provided to guide the fluid flowing in from the lower fluid receiving port 39 and rectify the fluid. The fluid guide wall surface 36 is provided by being fixed to the important points on the inner surfaces on both sides of the lateral wall surface 31 in the longitudinal direction by a fixed flat screw 36b. Short-side wall surfaces 34 are provided on both side surfaces in the short-side direction. In the fitting between the floating nozzle 30 and the fluid supply housing 29, a fitting portion 39a is provided on the low wall surface 38 so that the fluid supply housing 29 can be easily attached and detached. The fitting portion 39a is fixedly provided at an important point of the low wall surface 38 with a fixing screw 39b provided. A packing 37 is provided for enhancing and holding the airtightness between the fluid supply housing 29 and the fluid receiving port 39. The packing 37 is a floating nozzle having a structure that has heat and cold resistance and facilitates maintenance and replacement.

  As will be apparent from the following description, the present invention has the following effects.

  In the first aspect of the present invention, normal temperature fluid, thermal fluid, and low temperature fluid are formed from one or more elongated gaps in a rectangular shape that discharges fluid in any state of normal temperature fluid, thermal fluid, and low temperature fluid. A floating nozzle that discharges fluid in any one of the states, wherein the floating nozzle is provided with a fluid receiving port provided on the bottom wall surface to receive the fluid. Longitudinal lateral wall surfaces were integrally formed on both long sides of the bottom wall surface and formed by bending. One or more elongated gap dimensions determined by the required fluid discharge amount between the longitudinal lateral wall surface and the longitudinal upper wall surface disposed so as to be sandwiched above are provided as slits. The upper wall surface in the longitudinal direction is provided with a fluid circulation hole for circulating the fluid to be discharged, and a discharge port deformation preventing cylinder in order to prevent a change in the shape of the upper wall surface in the longitudinal direction due to fluid movement. The discharge port deformation preventing cylinder was welded to a key portion of the upper wall surface in the longitudinal direction. The welded upper wall surface in the longitudinal direction was fixed and provided on the inner surface on both sides of the lateral wall surface in the longitudinal direction with a fixed flat screw provided. It was provided on a mountain-shaped fluid induction wall surface provided with a fluid circulation hole provided so as to induce and rectify the fluid flowing in from the lower fluid receiving port. The fluid induction wall surface was fixed by a fixed flat screw provided at a point on the inner surface on both sides of the lateral wall surface in the longitudinal direction. Short side walls were provided on both sides in the short direction. In the fitting between the floating nozzle and the fluid supply housing, a fitting portion is provided on the low wall surface so that the fluid supply housing can be easily attached and detached. The fitting portion was fixed and provided at an important point on the low wall surface with a provided fixing screw. A packing is provided to increase and maintain the airtightness between the fluid supply housing and the fluid receiving port. Since the packing is a floating nozzle with heat and cold resistance and easy maintenance and replacement, it is easy to manufacture because it has a complex structure that is manufactured as a single unit, reducing material costs and man-hours. . We were able to reduce costs and maintain good quality. The discharge amount can be easily adjusted by the fluid guide wall surface that guides the fluid and rectifies the fluid. Since the welding work has been greatly reduced, changes in the composition of materials such as SUS have been eliminated. Floating nozzles often require cleaning, but they are optimally structured so that they can be easily washed with water. Drying after washing with water is very good.

  Hereinafter, the present invention will be described in detail with reference to the best mode for carrying out the invention shown in the drawings.

In the first best mode for carrying out the first embodiment of the present invention shown in FIGS. 1 to 6, FIG. 1 is a view showing a sectional view of the floating nozzle of the present invention.
The floating nozzle 30 has a rectangular shape and discharges fluid in a state of normal temperature fluid, thermal fluid, or low temperature fluid from two slits 33. The arrow indicates the direction of the fluid. The slit 33 was provided with two elongated gaps for discharging fluid to the left and right such that the longitudinal lateral wall surfaces 31 on both sides sandwich the longitudinal upper wall surface 32. The slit 33 has an interval dimension determined by a required fluid discharge amount between the longitudinal lateral wall surface 31 along the longitudinal direction and the longitudinal upper wall surface 32. Longitudinal lateral wall surfaces 31 are integrally formed on both sides with a bottom wall surface 38 provided with a fluid receiving port 39 in between. An integrally manufactured bottom wall surface 38 is used as a bottom, and the longitudinal side wall surfaces 31 on both sides are bent at a right angle. A mountain-shaped fluid guiding wall surface 36 for guiding the fluid flowing in from the fluid receiving port 39 and rectifying the fluid is provided, and the fluid guiding wall surface 36 is provided with a fluid circulation hole 36a through which fluid flows. The fluid guide wall surface 36 is provided by fixing the essential points with fixed flat screws 36b inside the longitudinal side wall surfaces 31 on both sides. A lateral wall surface 34 was provided on the lateral side surface. The upper upper wall surface 32 in the longitudinal direction located above is provided with a fluid circulation hole 32a through which the fluid to be discharged flows, and a discharge port deformation preventing cylinder 32b for preventing the deformation of the upper wall surface 32 in the longitudinal direction due to fluid movement, thereby preventing discharge port deformation. The cylinder 32b was welded to the important point. The upper wall surface 32 in the longitudinal direction is provided on the inner sides of the longitudinal wall surfaces 31 on both sides by fixing important points with fixed flat screws 32c. A fitting portion 39a that can be easily attached and detached when fitting the floating nozzle 30 and the fluid supply housing 29 is provided on the low wall surface. The fitting portion 39a is provided by fixing the important part of the low wall surface 38 with a fixing screw 39b. A packing 37 is provided to enhance the fluid tightness and retain the fluid receiving port 39 when mated with the fluid supply housing 29. The packing 37 has heat and cold resistance and is easy to maintain and replace.

FIG. 2 is a perspective view of the floating nozzle of the present invention.
The floating nozzle 30 described above is provided with slits 33 which are rectangular and discharge fluid from two places. An arrow from the slit 33 indicates the direction of the fluid. A rectangular body is formed by a longitudinal lateral wall surface 31 on both sides in the longitudinal direction, a lateral wall surface 34 on both sides in the short longitudinal direction, and a bottom wall surface 38 on the bottom. This is a configuration of a fixed flat screw 32 c that fixes the upper wall surface 32 in the longitudinal direction to the horizontal wall surface 31 in the longitudinal direction and a fixed flat screw 36 b that fixes the fluid guide wall surface 36.

FIG. 3 is a view showing a side view in which a part of the floating nozzle of the present invention is cut away.
The floating nozzle 30 described above is provided with a slip 33 for discharging fluid upward.
The side surface is a longitudinal lateral wall surface 31. The part cut out is provided with a fluid circulation hole 32a for circulating a fluid to be discharged provided on the upper wall surface 32 in the longitudinal direction, and a discharge port deformation preventing cylinder 32b for preventing the deformation of the upper wall surface 32 in the longitudinal direction due to fluid movement. It is the welding trace 32d which provided and welded the discharge port deformation | transformation prevention cylinder 32b to the important point. The lower wall 38 is provided with a fitting portion 39a that can be easily attached and detached when the floating nozzle 30 and the fluid supply housing 29 are fitted. Reference numeral 32 c denotes a fixed flat screw 32 c that fixes the upper wall surface 32 in the longitudinal direction, and 36 b denotes a fixed flat screw 36 b that fixes the fluid guide wall surface 36.

FIG. 4 is a view showing a perspective view in which a part of the floating nozzle of the present invention is cut away.
The floating nozzle 30 described above is provided with two slits 33 for discharging fluid upward. The longitudinal side surface is a longitudinal lateral wall surface 31. Both sides in the short longitudinal direction are short-side wall surfaces 34. The part cut out is provided with a fluid circulation hole 32a for circulating a fluid to be discharged provided on the upper wall surface 32 in the longitudinal direction, and a discharge port deformation preventing cylinder 32b for preventing the deformation of the upper wall surface 32 in the longitudinal direction due to fluid movement. It is the welding trace 32d which provided and welded the discharge port deformation | transformation prevention cylinder 32b to the important point. Reference numeral 32 c denotes a fixed flat screw 32 c that fixes the upper wall surface 32 in the longitudinal direction, and 36 b denotes a fixed flat screw 36 b that fixes the fluid guide wall surface 36.

FIG. 5 is a view showing a perspective view in which a part of the floating nozzle of the present invention is cut away.
The floating nozzle 30 described above is provided with two slits 33 for discharging fluid upward. The longitudinal side surface is a longitudinal lateral wall surface 31. The cut-out portions are the short-side wall surface 34 in the short-longitudinal direction, the fluid circulation holes 32a for circulating the fluid to be discharged provided on the top-side wall surface 32 in the long-side direction, and the top-side wall surface 32 in the longitudinal direction accompanying fluid movement. It is the figure which abbreviate | omitted the discharge port deformation | transformation prevention cylinder 32b which prevents a deformation | transformation, and showed the fluid induction | guidance | derivation wall surface 36. FIG. A mountain-shaped fluid guiding wall surface 36 is provided for guiding the fluid flowing in from the fluid receiving port 39 provided on the bottom wall surface 38 and rectifying the fluid, and the fluid guiding wall surface 36 is provided with a fluid circulation hole 36a through which fluid flows. . The fluid guide wall surface 36 has a configuration in which a key point is fixed by a fixed flat screw 36b on the inner side of the longitudinal side wall surface 31 on both sides.

FIG. 6 is a perspective view of the bottom surface of the floating nozzle of the present invention.
The floating nozzle 30 described above is provided with a fitting portion 39 a on the low wall surface 38 that facilitates fitting and detachment of the floating nozzle 30 and the fluid supply housing 29. The fitting part 39a was fixed to a main part of the low wall surface 38 with a fixing screw 39b. In the fitting with the fluid supply housing 29, a packing 37 is provided to increase and retain the air tightness of the fluid receiving port 39. The packing 37 has heat and cold resistance and is easy to maintain and replace. The slip 33 which discharges a fluid was provided in two places, the longitudinal direction side surface provided the longitudinal direction horizontal wall surface 31 in both sides, and the short longitudinal direction provided the short direction wall surface 34 in both sides. Reference numeral 32 c denotes a fixed flat screw 32 c that fixes the upper wall surface 32 in the longitudinal direction, and reference numeral 36 b denotes a configuration that includes a fixed flat screw 36 b that fixes the fluid guiding wall surface 36.

  The present invention is used in industries that manufacture and sell floating nozzles. It is also used as a hot air blowing device for various drying and heating devices, such as an air dryer for cast coaters in the papermaking field and a hot roll in the paper making and stretching process, with long floating nozzles placed in parallel above and below. The

1 is a cross-sectional view of a floating nozzle according to a first embodiment for implementing the present invention. The perspective view of the floating nozzle of the best 1st form for implementing this invention. The side view which notched some floating nozzles of the best 1st form for implementing this invention. The perspective view which notched some floating nozzles of the best 1st form for implementing this invention. The perspective view which notched some floating nozzles of the best 1st form for implementing this invention. The perspective view of the bottom face of the floating nozzle of the best first form for carrying out the present invention. A side view of a conventional floating device. The perspective view of the conventional floating nozzle. The perspective view of the conventional floating nozzle. Sectional drawing of the conventional floating nozzle. Sectional drawing which expanded a part of conventional floating nozzle. Sectional drawing which expanded a part of conventional floating nozzle.

Explanation of symbols

29 Fluid Supply Housing 30 Floating Nozzle 31 Longitudinal Horizontal Wall 32 Longitudinal Upper Wall 32a Fluid Flow Hole 32b Discharge Port Deformation Prevention Cylinder 32c Fixed Flat Screw 33 Slit 34 Short Direction Wall 35 Inflow Portion 36 Fluid Induction Wall 36a Fluid Flow Hole 36b Fixed flat screw 37 Packing 38 Bottom wall surface 39 Fluid receiving port 39a Fitting portion 39b Fixed screw 70 Support

Claims (1)

  A fluid in a state of normal temperature fluid, thermal fluid, or low temperature fluid is discharged from one or more long gaps that are rectangular bodies that discharge a fluid in a state of normal temperature fluid, thermal fluid, or low temperature fluid. A floating nozzle for discharging, the floating nozzle (30) having a bottom wall surface (38) provided with a fluid receiving port (39) provided so as to receive a fluid, and a long side wall of the bottom wall surface (38). Fluid required by a longitudinal lateral wall surface (31) provided by bending and forming an integrated type, and a longitudinal upper wall surface (32) disposed so as to be sandwiched between the longitudinal lateral wall surface (31) and the upper side The slit (33) provided with one or more long gap dimensions determined by the discharge amount of the liquid, the upper wall surface (32) in the longitudinal direction, the fluid circulation hole (32a) for circulating the fluid to be discharged, and the fluid movement In the shape of the upper wall surface (32) in the longitudinal direction The discharge port deformation preventing cylinder (32b) provided to prevent the discharge port deformation preventing column (32b) is welded to the main portion of the longitudinal upper wall surface (32), and the welded longitudinal upper wall surface (32) is welded. ) Is provided by fixing flat screws (32c) provided at important points on both inner surfaces of the longitudinal side wall surface (31), and guides the fluid flowing in from the lower fluid receiving port (39) and rectifies the fluid. A chevron-shaped fluid guide wall (36) provided with a fluid flow hole (36a), and the fluid guide wall (36) are fixed flat screws (36b) provided on both side inner surfaces of the longitudinal side wall (31). Provided in fixed positions, and provided with short-side wall surfaces (34) on both side surfaces in the short-side direction. When the floating nozzle (30) and the fluid-supply case (29) are fitted, a fluid-supply case ( 29) The fitting portion (3 provided on the low wall surface (38) so as to be easily attached and detached. a) and the fitting portion (39a) are fixedly provided at the important points of the low wall surface (38) by the provided fixing screw (39b), and the fluid supply housing (29) and the fluid receiving port (39) are provided. A floating nozzle characterized in that a packing (37) is provided to increase and maintain the airtightness of the packing, and the packing (37) has a heat and cold resistance and is easy to maintain and replace.

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