JP7253484B2 - Heat insulation support for piping, heat insulation support piping, and method for assembling heat insulation support for piping - Google Patents

Description

TECHNICAL FIELD The present disclosure relates to an insulating support for piping, an insulating support pipe, and a method of assembling an insulating support for piping.

A pipe through which a fluid flows is fixed to a facility or the like by a support in order to support the weight of the pipe itself and to suppress vibration caused by an external force such as an earthquake and the flow of the fluid. Heat transfer occurs between the fluid flowing through the inside of the pipe and the outside of the pipe via the pipe and the support.

Patent Literature 1 describes a device for a piping support device that surrounds the outer circumference of a pipe with a separable heat insulating material and supports the heat insulating material with U-bolts.

Japanese Utility Model Laid-Open No. 58-024581

In order to suppress the transfer of heat from the pipe to the heat insulating material, it is desirable that the heat insulating material supports the pipe with a small contact area. When a compression-resistant material such as a cement mixture is used as the insulation material, the contact surface of the insulation material does not match the piping, and the force supported by the U-band may concentrate on a part of the insulation material. be.

The present disclosure has been made in view of such problems, and even when a cement-mixed material is used as a heat insulating material, the supporting force of the U-band does not concentrate on a part of the heat insulating material and supports the piping. It is an object of the present invention to provide a heat insulating support for piping that can

A heat insulating support band for piping for solving the above problems includes a first heat insulating part having a first heat insulating member made of a material having compression resistance disposed between the pipe and the fixed part, and the first heat insulating A second heat insulating part having a second heat insulating member made of a material having compression resistance, which is arranged apart from the first heat insulating part on the opposite side of the part across the pipe, and is fastened to the fixed part A restraining tool that contacts the second heat insulating part by squeezing and constraining the first heat insulating part and the second heat insulating part integrally, and sandwiching the pipe between the first heat insulating part and the second heat insulating part and, the first heat insulating part has a first reinforcing plate for dispersing the load from the pipe on the surface for sandwiching the pipe. The term “fixed portion” refers to a portion of a structure in which a pipe is installed, to which a heat insulating support for piping is fixed. Fixed parts include walls, floors, pedestals of facilities or equipment, and equipment attached thereto.

According to the present disclosure, the heat insulating support for piping has the first reinforcing member on the surface of the first heat insulating portion for sandwiching the pipe, so that the load from the pipe is absorbed by the surface of the first heat insulating member. The piping can be clamped without concentrating on the This makes it possible to use compression-resistant, e.g. cement-mixed materials for the first insulating member.

FIG. 1 is a perspective view of the heat insulating support for piping according to the present embodiment, viewed from the bottom side. FIG. 2 is a bottom view of the heat insulating support for piping according to the present embodiment. FIG. 3 is a front view of the heat insulating support pipe according to this embodiment. FIG. 4 is a flow chart showing a method of assembling the heat insulating support for piping according to the present embodiment.

Hereinafter, embodiments according to the present disclosure will be described in detail with reference to the drawings. In the following description, the longitudinal direction of the pipe 20 (the Z direction when the pipe 20 is arranged vertically) is referred to as the “axial direction”, and the direction orthogonal to the longitudinal direction of the pipe 20 (the direction perpendicular to the pipe 20 is arranged vertically) In some cases, the X direction and Y direction) are called the "radial direction", and the direction around the axis of the pipe 20 is sometimes called the "circumferential direction". It should be noted that what is described in this embodiment is one embodiment of the present invention, and the present invention is not limited thereby.

<Insulation support piping>
As shown in FIG. 3, the heat insulation support pipe 10 includes a pipe 20, a pipe heat insulation support 30 for insulating and supporting the pipe 20 and fixing it to a fixed portion 22, a heater 12 as a temperature regulator, and a heat insulating material. 14 and an outer cover 16 .

The piping 20 circulates fluid between each device in a plant or the like having a plurality of devices. The pipe 20 is arranged horizontally or vertically along the fixed portion 22, for example, the wall surface of the apparatus. The material used for the pipe 20 may be a material commonly used for pipes, in addition to metal materials. A material used for the pipe 20 is, for example, a stainless steel material. The fluid flowing through the piping 20 is, for example, high temperature water near 100°C. Note that the fluid flowing through the pipe 20 is not limited to high-temperature water. In other words, the fluid flowing through the pipe 20 may be cold water of room temperature or lower. Moreover, the fluid flowing through the pipe 20 is not limited to water.

The heater 12 adjusts the fluid flowing through the pipe 20 to a predetermined temperature. The heater 12 surrounds the outer periphery of the pipe 20 and is arranged along the longitudinal direction of the pipe 20 . As the heater 12, for example, a wire heater that is wound around the outer circumference of the pipe 20 can be used. The heater 12 is not limited to a wire heater. Further, the heater 12 may be arranged in the non-supporting portion 32 of the pipe heat insulating support 30, which is the portion where the first heat insulating portion 50 and the second heat insulating portion 60 are separated in the circumferential direction of the pipe 20. . Moreover, the temperature adjuster 12 is not limited to a heater for heating the pipe. The temperature regulator 12 may have the function of cooling the pipe 20 to a constant temperature.

The heat insulator 14 suppresses heat transfer between the pipe 20 and the outside. The material of the heat insulating material 14 has flexibility and heat insulation. Glass wool, for example, can be used as the material of the heat insulating material 14 .

The outer cover 16 protects the pipe 20, the temperature regulator 12 and the heat insulating material 14 from the outside. The outer cover 16 blocks outside air from entering the outer cover 16 and suppresses heat radiation from the pipe 20 . The outer cover 16 is composed of a plate-like member.

<Heat insulation support for piping>
An embodiment of a heat insulating support for piping 30 according to the present disclosure will be described below with reference to FIGS. 1 to 3. FIG. FIG. 1 is a perspective view of a heat insulating support 30 for piping according to the present embodiment, viewed from the bottom side. FIG. 2 is a bottom view of the heat insulating support 30 for piping according to this embodiment. FIG. 3 is a front view of the heat insulating support pipe according to this embodiment. In addition, in the following description of the embodiment, a case where the restraint 40 is a U-band will be described. The restraint 40 according to the present disclosure is not limited to U-bands.

The piping heat insulation support 30 includes a restraint 40 , a first heat insulation portion 50 , a first reinforcing plate 70 , a second reinforcing plate 72 , an adjustment plate 56 , a second heat insulation portion 60 , and a cushioning member 80 . , and a non-supporting portion 32 . The first heat insulating portion 50 and the second heat insulating portion 60 are arranged apart from each other in the circumferential direction of the pipe 20 . Also, the first heat insulating portion 50 and the second heat insulating portion 60 are arranged at the same position in the axial direction of the pipe 20 . Here, “disposed apart in the circumferential direction” means that the first heat insulating portion 50 and the second heat insulating portion 60 are not in contact with each other in the circumferential direction of the pipe 20 . "Same position in the axial direction" means that the position of the first heat insulating portion 50 in the axial direction of the pipe 20 and the position of the second heat insulating portion 60 in the axial direction of the pipe 20 are within a range where the pipe 20 can be sandwiched as a pair. means that

<Restraint>
The U-band, which is the restraining tool 40 , contacts the second heat insulating part 60 by being fastened to the fixed part 22 , and restrains the pipe 20 integrally with the first heat insulating part 50 and the second heat insulating part 60 . As shown in FIGS. 2 and 3, the U-band 40 has a belt-like member 42, a threaded portion 44, a first restricting portion 46 and a second restricting portion 48, which are integrally constructed. The U band 40 is made of a metal material or the like.

The U-band 40 is fixed by fastening a nut 26 to a threaded portion 44 passing through a hole 24 provided in the fixed portion 22 . In order to adjust the position of the U-band 40, the hole 24 provided in the fixed portion 22 may be formed as an elongated hole elongated in the X direction.

The strip-shaped member 42 is a strip-shaped member that is long in the longitudinal direction and has a width in the lateral direction. The belt-shaped member 42 has a portion curved in a U shape in the longitudinal direction. The shape of the curved portion of the belt-like member 42 is a shape along the outer peripheral surface 66 of the second heat insulating member 62, which will be described later. The width dimension of the belt-shaped member 42 in the lateral direction corresponds to the width dimension of the first heat insulating member 52 and the second heat insulating member 62 described later in the axial direction of the pipe 20 . Note that the width dimension of the belt-shaped member 42 in the lateral direction is not limited to the dimension corresponding to the width dimension in the axial direction of the pipe 20 of the first heat insulating member 52 and the second heat insulating member 62 . The width dimension of the belt-shaped member 42 in the lateral direction can be a width dimension that disperses the load P from the restraint 40 into a distributed load W1 that is equal to or less than the compressive strength of the second heat insulating member 62, which will be described later.

The threaded portions 44 are provided at one end and the other end in the longitudinal direction of the belt-like member 42 . The threaded portion 44 is formed by welding a threaded member to the belt-shaped member 42 . The threaded portion 44 may be formed by directly threading the belt-shaped member 42 . The fastening of the screw portion 44 is performed with the disc spring washer 28 interposed therebetween. Fastening of the threaded portion 44 is performed by a so-called double nut.

<Regulatory Department>
The first restricting portion 46 and the second restricting portion 48 restrict the position of the first heat insulating portion 50 and the second restricting portion 48 of the second heat insulating portion 60 in the axial direction of the pipe 20, respectively. That is, when the pipe 20 is arranged vertically, the first heat insulation part 50 maintains the position of the pipe 20 in the axial direction (Z direction) by being arranged in the first restricting part 46, and the second restricting part By being arranged in the portion 48 , the second heat insulating portion 60 maintains the position of the pipe 20 in the axial direction (Z direction).

The first restricting portion 46 is provided on the curved portion of the belt-like member 42 of the U-band 40, as shown in FIG. The second restricting portions 48 are provided at one end and the other end of the belt-like member 42 of the U-band 40, as shown in FIG. The first restricting portion 46 and the second restricting portion 48 are formed by welding an L-shaped member L to the strip member 42 . The second restricting portion 48 may be formed only at one end or the other end in the longitudinal direction of the belt-shaped member 42 . The first restricting portion 46 and the second restricting portion 48 may be formed by bending extending portions extending in the lateral direction of the belt-shaped member 42 which the belt-shaped member 42 itself has at predetermined positions.

<First heat insulating part>
The first heat insulating portion 50 is arranged between the pipe 20 and the fixed portion 22 . The first heat insulating portion 50 suppresses heat transfer between the pipe 20 and the fixed portion 22 and regulates the position of the pipe 20 in the Y direction with respect to the fixed portion 22 . The first heat insulating part 50 has a first heat insulating member 52 , a first reinforcing plate 70 , a second reinforcing plate 72 and an adjusting plate 56 . The first heat insulating portion 50 has a first reinforcing plate 70 on the surface in contact with the pipe 20 and a second reinforcing plate 72 on the surface in contact with the fixed portion 22 . A surface of the first heat insulating portion 50 that contacts the pipe 20 is a first contact surface 54 .

<First heat insulating member>
The first heat insulating member 52 has a rectangular parallelepiped shape, as shown in FIGS. 1 to 3 . The length of the first heat insulating member 52 in the axial direction of the pipe 20 is twice or less the diameter of the pipe 20 or 100 mm or less. The length of the first heat insulating member 52 in the axial direction of the pipe 20 is the width dimension that disperses the load P from the restraint 40 into a distributed load W3 that is equal to or less than the compressive strength of the first heat insulating member 52, which will be described later. For example, when the diameter of the pipe 20 is 114.3 mm, the length of the first heat insulating member 52 in the axial direction of the pipe 20 is 30 mm.

The first heat insulating member 52 suppresses heat transfer between the pipe 20 and the fixed portion 22 . The material of the first heat insulating member 52 has a low coefficient of thermal conductivity and resistance to compression. The thermal conductivity of the material of the first heat insulating member 52 is, for example, 0.50 W/(m·K) or less in a 200° C. environment. The bending strength of the material of the first heat insulating member 52 is, for example, 25 MPa or more in an environment of 100°C. The compressive strength of the material of the first heat insulating member 52 is, for example, 100 MPa or more in an environment of 100°C. The heat resistance of the material of the first heat insulating member 52 is, for example, 250° C. or higher. The bulk density of the material of the first heat insulating member 52 is, for example, 1,700 kg/m ³ . In addition, the physical properties of the material of the first heat insulating member 52 are examples, and the range of the physical properties is not limited to the above. The material of the first heat insulating member 52 is, for example, cement mixed material. For the material of the first heat insulating member 52, for example, Hemisal manufactured by Nichias can be used. The mass of the first heat insulating member 52 having the shape shown in FIGS. 1 to 3 is, for example, about 320 g when the pipe 20 has a diameter of 114.3 mm.

<First reinforcing plate>
The first reinforcing plate 70 distributes the load applied from the pipe 20 to the first heat insulating member 52 . The first reinforcing plate 70 is arranged between the pipe 20 and the first heat insulating member 52, as shown in FIG. A first contact surface 54 for sandwiching the pipe 20 is formed on the surface of the first reinforcing plate 70 in contact with the pipe 20 . The material forming the first reinforcing plate 70 has a compressive strength greater than or equal to the compressive strength of the pipe 20 . The material forming the first reinforcing plate 70 is a metal material or the like.

<Second reinforcing plate>
The second reinforcing plate 72 reinforces the bending strength of the first heat insulating member 52 . The second reinforcing plate 72 is arranged between the first heat insulating member 52 and the adjusting plate 56, as shown in FIG. The material of the second reinforcing plate 72 has a bending strength equal to or greater than the bending force that causes the tensile force of the restraint 40 fastened to the fixed portion 22 . The material of the second reinforcing plate 72 is a metal material or the like.

<Adjustment plate>
The adjusting plate 56 is adjusted so that the dimension from the surface of the first heat insulating portion 50 in contact with the fixed portion 22 to the first contact surface 54 matches the distance between the pipe 20 and the fixed portion 22 . The adjusting plate 56 is arranged between the second reinforcing plate 72 of the first heat insulating portion 50 and the fixed portion 22 . The adjustment plate 56 is composed of one or more plate-like members. The material of the adjustment plate 56 is, for example, stainless steel. The adjusting plate 56 may be configured by laminating a plurality of plate-like members having different thicknesses. The adjusting plate 56 is composed of, for example, a shim whose thickness is adjusted.

<Second heat insulating part>
The second heat insulating portion 60 suppresses heat transfer between the pipe 20 and the restraint 40 . The second heat insulating portion 60 has a second heat insulating member 62 and a cushioning member 80 . As shown in FIG. 2 , the second heat insulating portion 60 is arranged between the pipe 20 and the restraint 40 on the opposite side of the first heat insulating portion 50 when viewed from the pipe 20 . A surface of the second heat insulating portion 60 for sandwiching the pipe 20 is a second contact surface 64 .

<Second heat insulating member>
As shown in FIG. 2, the second heat insulating member 62 has a shape obtained by cutting a cylinder concentric with the pipe 20 into a radial shape that radiates within a predetermined angle from the center of the pipe 20 in the radial direction. The second heat insulating member 62 has an inner peripheral surface 64 and an outer peripheral surface 66 with the radial center of the pipe 20 as a reference. Both side surfaces of the second heat insulating member 62 in the circumferential direction are perpendicular to the outer peripheral surface 66 and the outer peripheral surface of the pipe 20 . The outer peripheral surface 66 of the second heat insulating member 62 is in contact with the U-shaped curved portion of the belt-like member 42 of the restraint 40 . The second heat insulating member 62 has a cushioning member 80 on the inner peripheral surface 64 . The inner peripheral surface 64 of the second heat insulating member 62 and the buffer member 80 form a second contact surface 64 that contacts the pipe 20 .

The range of angles of radiation forming the radial shape of the second heat insulating member 62 is, for example, 90° from the center of the pipe 20 in the radial direction. The second heat insulating member 62 regulates the position of the pipe 20 in the direction (X direction) along the surface of the fixed portion 22 with respect to the pipe 20 . The length of the second heat insulating member 62 in the axial direction of the pipe 20 is twice or less the diameter of the pipe 20 or 100 mm or less. The length of the second heat insulating member 62 in the axial direction of the pipe 20 can be a width dimension that disperses the load P from the restraint 40 into a distributed load W2 that is equal to or less than the compressive strength of the second heat insulating member 62, which will be described later. . For example, when the radius of the pipe 20 is 25 mm, the length of the second heat insulating member 62 in the axial direction of the pipe 20 is 25 mm or less.

The material of the second heat insulating member 62 has a low thermal conductivity coefficient and compression resistance, like the first heat insulating member 52 described above. The thermal conductivity of the material of the second heat insulating member 62 is, for example, 0.50 W/(m·K) or less under an environment of 200°C. The bending strength of the material of the second heat insulating member 62 is, for example, 25 MPa or more in an environment of 100°C. The compressive strength of the material of the second heat insulating member 62 is, for example, 100 MPa or more in a 100° C. environment. The heat resistance of the material of the second heat insulating member 61 is, for example, 250° C. or higher. The bulk density of the material of the second heat insulating member 62 is, for example, 1,700 kg/m ³ . In addition, the physical properties of the material of the second heat insulating member 62 are examples, and the range of the physical properties is not limited to the above. The material of the second heat insulating member 62 is, for example, cement mixed material. For the material of the second heat insulating member 62, for example, Hemisal manufactured by Nichias can be used. The mass of the second heat insulating member 62 shown in FIGS. 1 to 3 is, for example, about 340 g when the pipe 20 has a diameter of 114.3 mm.

<Buffer material>
The buffer member 80 is provided on the inner peripheral surface 64 of the second heat insulating portion 60 . The cushioning member 80 compensates for the shape difference between the inner peripheral surface 64 and the pipe 20 . The cushioning member 80 is provided on the inner peripheral surface 64 and forms a surface for sandwiching the pipe 20 together with the inner peripheral surface 64 . The material of the cushioning member 80 has flexibility. The material of the cushioning member 80 is glass fiber, for example. For the cushioning member 80, for example, NICHIAS' MARINTEX tape (MARINTEX is a registered trademark of NICHIAS Corporation) can be used.

The non-supporting portion 32 provides heat insulation without supporting the pipe 20 . The non-supporting portion 32 is provided at a portion where the first heat insulating portion 50 and the second heat insulating portion 60 are separated from each other in the circumferential direction of the pipe 20 . The non-supporting portion 32 is configured by a space. Moreover, the non-supporting portion 32 may be made of, for example, glass wool having flexibility.

<Method for assembling heat insulating support for piping>
A method of assembling the insulating pipe support 30 according to the present disclosure will now be described with reference to FIG. Here, a method for assembling the piping heat insulating support 30 for piping arranged in the vertical direction will be described. The piping to which the method for assembling the heat insulating support for piping 30 according to the present disclosure is applied is not limited to the case where it is arranged in the vertical direction. The method for assembling the heat insulating support for piping includes the step of arranging the restraint 40 with respect to the pipe 20 (S10), and attaching the first heat insulating portion 50 to the first restricting portion 46 between the pipe 20 and the fixed portion 22. a step of disposing (S20); a step of disposing the second heat insulating portion 60 on the second restricting portion 48 between the restraint 40 and the pipe 20 (S30); and a fixing step (S40).

A restraint 40 is placed on the pipe 20 (S10). Here, as shown in FIG. 2 , the restraint 40 is arranged so that the U-shaped curved portion of the belt-like member 42 is on the opposite side of the fixed portion 22 of the pipe 20 . That is, each threaded portion 44 of the restraint 40 is arranged in the direction of the fixed portion 22 side. In addition, in the state where the restraint 40 is arranged with respect to the pipe 20, the threaded portion 44 of the restraint 40 may pass through the hole 24 of the fixed portion 22, and the disc spring washer 28 is sandwiched between the screw and the nut. It may be temporarily fastened at 26 .

Next, the first heat insulating portion 50 is placed on the first restricting portion 46 positioned between the fixed portion 22 and the pipe 20 (S20). The distance between the surface of the adjustment plate 56 facing the fixed portion 22 and the first contact surface 54 of the first heat insulating portion 50 matches the distance between the pipe 20 and the fixed portion 22 . That is, the first heat insulating portion 50 has a first surface of the adjusting plate 56 in contact with the fixed portion 22 and a second surface of the first reinforcing plate 70 in contact with the pipe 20 . Also, the first heat insulating portion 50 is arranged such that only the first heat insulating member 52 is in contact with the first restricting portion 46 . That is, the first restricting portion 46 does not have to contact the pipe 20 , the first reinforcing plate 70 , the second reinforcing plate 72 and the adjusting plate 56 .

Next, the second heat insulating portion 60 is placed on the second restricting portion 48 located between the pipe 20 and the U-shaped curved portion of the restraint 40 (S30). Here, the second heat insulating portion 60 is the pipe 20 in the direction (X direction) along the surface of the fixed portion 22 facing the pipe 20 and in the plane direction (Y direction) of the surface of the fixed portion 22 facing the pipe 20. positioned according to position. The second restricting portion 48 contacts only the second heat insulating member 62 . That is, the second restricting portion 48 does not have to come into contact with the pipe 20 and the cushioning member 80 .

Next, the restraint 40 is fixed to the fixed portion 22 (S40). The restraining device 40 is fixed by providing disc spring washers 28 on screw portions 44 passing through the holes 24 of the fixed portion 22 . The first restricting portion 46 and the second restricting portion 48 do not contact the pipe 20 . By fixing the restraint 40 to the fixed portion 22, the cushioning member 80 is deformed according to the shape of the gap between the inner peripheral surface 64 and the pipe 20, and the second heat insulating portion 60 becomes the second contact surface. 64 are all in contact with the pipe 20 .

<Fixation of heat insulation support for piping>
The fixation of the pipe heat insulating support 30 will be described in detail below. The restraint 40 moves toward the fixed portion 22 in the radial direction of the pipe 20 when the nut 26 is screwed into the screw portion 44 passing through the hole 24 of the fixed portion 22 .

The restraint 40 comes into contact with the outer peripheral surface 66 of the second heat insulating portion 60 when the nut 26 is further tightened. The position of the fixed portion 22 of the restraint 40 in the direction (X direction) along the surface with respect to the pipe 20 follows the outer peripheral surface 66 of the second heat insulating portion 60 in contact with the pipe 20 .

When the nut 26 is tightened more than a certain amount, the restraint 40 in contact with the outer peripheral surface 66 of the second heat insulating portion 60 generates a tensile force. The restraint 40 that has generated the tensile force is deformed along the outer peripheral surface 66 of the second heat insulating portion 60 (second heat insulating member 62). The tensile force generated in the restraint 40 becomes a load P and is applied to the second heat insulating portion 60 . Specifically, the load P is dispersed as a distributed load W1 and applied from the restraint 40 to the outer peripheral surface 66 .

The second heat insulating portion 60 transmits the load P transmitted from the outer peripheral surface 66 to the pipe 20 via the second contact surface 64 . Specifically, the load P is distributed to the distributed load W<b>2 by the second contact surface 64 of the second heat insulating portion 60 and applied to the pipe 20 .

The pipe 20 transmits the load P transmitted from the second heat insulating portion 60 to the first heat insulating portion 50 . Specifically, the load P is applied from the pipe 20 to the first reinforcing plate 70 forming the first contact surface 54 . The load P is dispersed into a distributed load W3 by the first reinforcing plate 70 and applied from the pipe 20 to the first heat insulating member 52 .

The load P causes a frictional force between the first contact surface 54 of the first insulation portion 50 and the pipe 20 and between the second contact surface 64 of the second insulation portion 60 and the pipe 20 . That is, when the restraint 40 is fixed to the fixed portion 22 , the pipe 20 is sandwiched between the first heat insulating portion 50 and the second heat insulating portion 60 . Thus, the restraint 40 fixes the pipe 20 to the fixed portion 22 .

<Other Examples>
In this embodiment, the pipe 20 has been described as a circular pipe, but the present disclosure is not limited to this case. For example, the present disclosure can be applied even when the pipe 20 is a square pipe. In this case, by making the shape of the restraint 40 a shape along the rectangular pipe, the heat insulating support pipe 10 and the heat insulating support 30 for pipe according to the present disclosure can be applied.

In the present embodiment, the case where the temperature of the fluid flowing through the pipe 20 is higher than that of the outside has been described for the heat insulating support pipe 10, but the present disclosure is not limited to this case. That is, even when the temperature of the fluid flowing through the pipe 20 is lower than that of the outside, the heat insulating support pipe 10 and the heat insulating pipe support 30 according to the present disclosure can be applied.

<Description of effect>
The effects of each aspect of the present disclosure will be described below. The pipe heat insulating support 30 according to the first aspect of the present disclosure has a first heat insulating member 52 made of a material having compression resistance, which is arranged between the pipe 20 and the fixed portion 22. and a second heat insulating member 62 made of a material having compression resistance, which is arranged on the opposite side of the first heat insulating portion 50 across the pipe 20 and is spaced apart from the first heat insulating portion 50. 60 is fastened to the fixed portion 22 to come into contact with the second heat insulating portion 60, constrain the first heat insulating portion 50 and the second heat insulating portion 60 integrally, and the first heat insulating portion 50 and the second heat insulating portion 60 and a restraining device 40 that clamps the pipe 20 , and the first heat insulating part 50 has a first reinforcing plate 70 that distributes the load from the pipe 20 on the surface for clamping the pipe 20 .

According to the first aspect, the pipe heat insulating support 30 has the first reinforcing plate 70 for dispersing the load on the surface of the first heat insulating portion 50 for holding the pipe 20, so that the restraint 40 is covered. The load generated by being fastened to the fixing portion 22 is dispersed by the first reinforcing plate 70 to become a distributed load W3, which is applied from the pipe 20 to the first heat insulating portion 50 . This prevents the load from the pipe 20 from being concentrated on a part of the surface of the first heat insulating member 52 .

According to a second aspect of the present disclosure, in the first aspect, the shape of the surface of the first heat insulating portion 50 for sandwiching the pipe 20 is a planar shape.

According to the second aspect, since the shape of the surface for sandwiching the pipe 20 of the first heat insulating part 50 is planar, the first heat insulating part 50 can sandwich the pipe 20 in a plane. Accordingly, the first heat insulating portion 50 does not restrict the position of the pipe 20 in the direction (X direction) along the surface of the fixed portion 22 facing the pipe 20 .

A third aspect of the present disclosure is that in the first aspect or the second aspect, the shape of the surface of the second heat insulating portion 60 for sandwiching the pipe 20 is the inner peripheral surface 64 along the outer periphery of the pipe 20. , the second heat insulating portion 60 has a cushioning member 80 on the surface for sandwiching the pipe 20 .

According to the third aspect, the second heat insulating portion 60 has a surface (second contact surface 64) for sandwiching the pipe 20 of the second heat insulating portion 60, and the shape of the inner peripheral surface 64 is along the outer circumference of the pipe 20. Therefore, the position of the fixed portion 22 of the pipe 20 in the direction (X direction) along the surface facing the pipe 20 can be restricted. Furthermore, since the second heat insulating portion 60 has the cushioning member 80 on the surface (second contact surface 64) for sandwiching the pipe 20, the surface (second contact surface 64) for sandwiching the pipe 20 of the second heat insulating portion 60 The difference in shape between the contact surface 64) and the pipe 20 can be filled. As a result, the load P from the restraint 40 is dispersed by the second contact surface 64 to become a distributed load W2, which is applied to the pipe 20 from the second heat insulating portion 60 . That is, the load from the second heat insulating portion 60 is not concentrated on a portion of the outer peripheral surface of the pipe 20 .

According to a fourth aspect of the present disclosure, in the third aspect, the second heat insulating portion 60 has a radial shape that radiates within a predetermined angle range from the radial center of the pipe 20 .

According to the fourth aspect, the second heat insulating portion 60 has a radial shape that radiates within a predetermined angle range from the center of the pipe 20 in the radial direction. It can touch perpendicularly to the surface of the circumference.

In a fifth aspect of the present disclosure, in any one of the first to fourth aspects, the width of the second heat insulating portion 60 in the axial direction of the pipe 20 is twice the diameter of the pipe 20 or less or 100 mm or less. be.

According to the fifth aspect, the width of the second heat insulating portion 60 in the axial direction of the pipe 20 is twice the diameter of the pipe 20 or less or 100 mm or less. , the pipe 20 can be supported with a width of 100 mm or less or twice the diameter of the pipe 20 or less. Thereby, the second heat insulating part 60 can reduce the contact area with the pipe 20 and suppress the transfer of heat between the pipe 20 and the outside.

According to a sixth aspect of the present disclosure, in any one of the first to fifth aspects, the first heat insulating portion 50 includes a second reinforcing plate 72 on the surface that contacts the fixed portion 22 .

According to the sixth aspect, since the first heat insulating portion 50 has the second reinforcing plate 72 on the surface that contacts the fixed portion 22, the load due to the reaction from the fixed portion 22 is dispersed by the second reinforcing plate 72. It acts as a load and hangs on the first heat insulating member 52 . As a result, the load from the fixed portion 22 is not concentrated on a part of the surface of the first heat insulating member 52 . In addition, even if a bending force is applied to the first heat insulating portion 50 due to a tensile force generated in the restraint 40 by being fastened to the fixed portion 22, the first heat insulating portion 50 has the second reinforcing plate 72. No bending force is applied.

According to a seventh aspect of the present disclosure, in any one of the first to sixth aspects, the first heat insulating portion 50 includes an adjusting plate 56 for matching the gap between the fixed portion 22 and the pipe 20 .

According to the seventh aspect, in any one of the first aspect to the sixth aspect, the first heat insulating part 50 includes the adjustment plate 56, so that the gap between the fixed part 22 and the pipe 20 is matched. can be done. That is, the position of the pipe 20 in the direction of the surface of the fixed portion 22 with respect to the pipe 20 (the Y direction) is not moved by arranging the first heat insulating portion 50 .

According to an eighth aspect of the present disclosure, in any one of the first aspect to the seventh aspect, the restraint 40 includes a disc spring washer 28 at a portion to be fastened to the fixed portion 22 .

According to the eighth aspect, since the restraint 40 includes the disc spring washer 28 in the threaded portion 44, which is the portion to be fastened to the fixed portion 22, the heat is transmitted to the restraint 40 via the second heat insulating member 62. Fluid vibration, length change due to thermal expansion of the metal material of the restraint 40, etc., and dimensional change due to moisture absorption or drying of the first heat insulation member 52 and the second heat insulation member 62 can be absorbed, and fastening is loosened. can be prevented.

According to a ninth aspect of the present disclosure, in any one of the first to eighth aspects, the restraint 40 includes a first restricting portion 46 that restricts the position of the first heat insulating portion 50 and a second heat insulating portion 60 and a second restricting portion 48 that restricts the position of the .

According to the ninth aspect, the restraint 40 includes the first restricting portion 46 and the second restricting portion 48. Therefore, even when the piping 20 arranged in the vertical direction is assembled, The positions of the first heat insulating portion 50 and the second heat insulating portion 60 can be restricted by the first restricting portion 46 and the second restricting portion 48, respectively. That is, the positions of the first heat insulating portion 50 and the second heat insulating portion 60 arranged on the first restricting portion 46 and the second restricting portion 48 respectively are maintained by the restraint 40 . Thereby, workability can be improved.

According to a tenth aspect of the present disclosure, in any one of the first to ninth aspects, the outer surface of the second heat insulating portion 60 in the radial direction of the pipe 20 is the outer peripheral surface 66, and the restraint 40 is It is a U-band with curved portions along the outer peripheral surface 66 .

According to the tenth aspect, the outer surface of the second heat insulating portion 60 in the radial direction of the pipe 20 is the outer peripheral surface 66, and the restraint 40 is a U-band having a portion curved along the outer peripheral surface 66. Therefore, the load from the U-band is dispersed by the curved portion along the outer peripheral surface 66 and becomes a distributed load W1, which is applied to the second heat insulating portion 60 . As a result, the load from the restraint 40 is not concentrated on a part of the surface of the second heat insulating member 62 .

The heat insulation support pipe 10 according to the eleventh aspect of the present disclosure includes the pipe 20 supported by the pipe heat insulation support 30 of any one of the first to tenth aspects, and the pipe 20 is heated from the outer periphery. It has a temperature adjuster 12 to be adjusted, a heat insulating material 14 for keeping the pipe 20 warm, and an outer cover 16 for covering the pipe 20, the temperature adjuster 12 and the heat insulating material 14. - 特許庁

According to the eleventh aspect, the heat insulating support pipe 10 includes the pipe 20 supported by the pipe heat insulating support 30, the temperature controller 12 for adjusting the temperature of the pipe 20 from the outer periphery, and the heat insulating material 14 for keeping the pipe 20 warm. and the outer cover 16 covering the piping 20, the temperature regulator 12 and the heat insulating material 14, so that the temperature of the fluid can be adjusted and kept warm. Further, the pipe 20 can be isolated from the external environment such as the outside air by the outer cover 16 .

A method for assembling a heat insulating support for piping according to a twelfth aspect of the present disclosure includes a step of arranging a restraint 40 with respect to a pipe 20, and , disposing the first heat insulating part 50; disposing the second heat insulating part 60 in the second restricting part 48 between the pipe 20 and the restraint 40; and fastening the restraint 40 to the fixed part 22. and

According to the twelfth aspect, in the method for assembling a heat insulating support for piping, the first heat insulating portion is attached to the first restricting portion 46 of the restraining device 40 arranged with respect to the pipe 20 in accordance with the gap between the fixed portion 22 and the first heat insulating portion. 50 , the second heat insulating portion 60 is aligned with the second restricting portion 48 of the restraint 40 placed with respect to the pipe 20 in the direction along the surface of the fixed portion 22 of the pipe 20 . Since the restraint 40 is fastened to the fixed portion 22 after being arranged in the portion 48 , the first heat insulating portion 50 and the second heat insulating portion 60 can be easily arranged according to the position of the pipe 20 .

REFERENCE SIGNS LIST 10 heat insulating support pipe 12 heater, temperature controller 14 heat insulating material 16 outer cover 20 pipe 22 fixed portion 24 hole 26 nut 28 disc spring washer 30 heat insulating support for pipe 32 non-supporting portion 40 restraint, U-band 42 belt-like member 44 Threaded portion 46 First restriction portion 48 Second restriction portion 50 First heat insulation portion 52 First heat insulation member 54 First contact surface 56 Adjusting plate 60 Second heat insulation portion 62 Second heat insulation member 64 Inner peripheral surface, second contact surface 66 Outer peripheral surface 70 First reinforcing plate 72 Second reinforcing plate 80 Cushioning member L L-shaped member P Load W1 Distributed load applied from restraint to second heat insulating part W2 Distributed load applied from second heat insulating part to pipe W3 From first reinforcing plate Distributed load applied to the first insulation part

Claims (10)

a first heat insulating part having a first heat insulating member made of a material having compression resistance and arranged between the pipe and the fixed part;
A second heat insulating part having a second heat insulating member made of a material having compression resistance and arranged apart from the first heat insulating part on the opposite side of the first heat insulating part across the pipe;
By being fastened to the fixed part, it contacts the second heat insulation part, restrains the first heat insulation part and the second heat insulation part integrally, and connects the first heat insulation part and the second heat insulation part. and a restraint that clamps the piping,
The shape of the surface for sandwiching the pipe of the first heat insulating part is a planar shape,
The first heat insulating part is
the first insulation member made of a cement mixed material;
a first reinforcing plate disposed between the pipe and the first heat insulating member and dispersing the load from the pipe on a surface for sandwiching the pipe ;
A heat insulating support for piping, comprising a second reinforcing plate disposed between the fixed portion and the first heat insulating member, and having a surface in contact with the fixed portion, the second reinforcing plate for reinforcing the bending strength of the first heat insulating member. . The surface for sandwiching the pipe of the second heat insulating portion is an inner peripheral surface along the outer periphery of the pipe, and the second heat insulating portion has a buffer member on the surface for sandwiching the pipe. The heat insulating support for piping according to claim 1 . The heat insulating support for piping according to claim 2 , wherein the second heat insulating portion has a radial shape that radiates in a range of a predetermined angle from the radial center of the pipe. The heat insulating support for piping according to any one of claims 1 to 3 , wherein the width of the second heat insulating portion in the axial direction of the pipe is twice or less the diameter of the pipe or 100 mm or less. The heat insulating support for piping according to any one of claims 1 to 4 , wherein the first heat insulating portion includes an adjusting plate for matching the gap between the fixed portion and the pipe. The heat insulating support for piping according to any one of claims 1 to 5 , wherein the restraint includes a disc spring washer in a portion to be fastened with the fixed portion. The restraint includes a first restricting portion that restricts the position of the first heat insulating portion;
The heat insulating support for piping according to any one of claims 1 to 6 , further comprising a second restricting portion that restricts the position of the second heat insulating portion. The outer surface of the second heat insulating portion in the radial direction of the pipe is an outer peripheral surface,
The heat insulating support for piping according to any one of claims 1 to 7 , wherein the restraint is a U-band having a curved portion along the outer peripheral surface. A pipe supported by the heat insulating support for pipes according to any one of claims 1 to 8 ;
a temperature regulator that regulates the temperature of the pipe from the outer periphery;
a heat insulating material that heats the pipe;
An insulating support pipe, comprising: an outer cover that covers the pipe, the temperature regulator, and the heat insulating material. A method for assembling a heat insulating support for piping according to any one of claims 1 to 8,
placing the restraint against the pipe;
arranging the first heat insulating part between the pipe and the part to be fixed;
placing the second heat insulating part between the pipe and the restraint;
A method for assembling a heat insulating support for piping, comprising the step of fastening the restraint to the fixed portion.

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