Valve heat preservation box

By designing a valve insulation box, the problem of damage to the valve insulation structure during maintenance was solved by using connecting parts and fixing mechanisms. This enabled uniform filling of insulation cotton and reuse of the box, improving the insulation effect and ease of maintenance.

CN223579383UActive Publication Date: 2025-11-21ALAR NANJIANG CARBON NEW MATERIAL CO LTD
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Patent Information

Application Number
CN202520429789.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2025-11-21
Estimated Expiration
2035-03-12

AI Technical Summary

Technical Problem

The insulation structure of the valves in the thermal pipelines of existing thermal power plants is easily damaged during maintenance, and the insulation cotton is not filled evenly, resulting in poor insulation effect and inability to be reused.

Method used

Design a valve insulation box comprising insulation cotton, a box body, and a cover plate. The insulation cotton is wrapped by first and second mating parts and fixed by bolts, nuts, or buckle mechanisms to ensure that the box body does not deform and facilitates the appropriate filling and removal of insulation cotton.

Benefits of technology

It achieves uniform filling and reuse of insulation cotton, extends the service life of the box, and improves the insulation effect and ease of maintenance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a valve heat preservation box, relates to the technical field of heat energy power engineering heat preservation, and mainly aims at enabling a heat preservation shell to be reusable and enabling heat preservation cotton to be fully filled in the space of the shell at the same time. According to the main technical scheme, the valve heat preservation box comprises heat preservation cotton, a box body and a plurality of cover plates. The heat preservation cotton is attached to the outer surface of the valve. The box body comprises a first butt joint piece and a second butt joint piece, and the edge of the first butt joint piece and the edge of the second butt joint piece are in butt joint with each other and used for wrapping the heat preservation cotton. The surface of the first butt joint piece and the surface of the second butt joint piece are each provided with a containing opening, and the cover plate is detachably connected to the containing openings.
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Description

TECHNICAL FIELD

[0001] The utility model relates to heat power engineering heat preservation technical field especially relates to a valve heat preservation box. BACKGROUND

[0002] The valve heat preservation engineering of the heat pipeline of the thermal power plant is an application technology, and if improper implementation can make the heat preservation material and the heat preservation design performance unable to play the expected heat preservation energy saving effect.

[0003] If the heat preservation of the boiler pipeline valve is not reasonable, the heat loss is large. The main purpose of the heat preservation work of the boiler heat equipment pipeline valve is to reduce the heat loss of the heat equipment pipeline valve, meet the requirements of heat equipment heat preservation, energy saving, beautifying the environment, improve the economic benefit of enterprises, and create good conditions for personal safety and heat equipment safety, economic operation. From the characteristics of high temperature and high pressure equipment of the thermal power plant and the high equivalent available coefficient, heat preservation is more conducive to prolonging the service life of the heat equipment and the safe and reliable operation of the unit, and can improve the rapid starting capacity of the unit.

[0004] At present, the heat pipeline valve of the thermal power plant usually needs to be wrapped outside with temperature-resistant rock wool and a thin galvanized iron shell for heat preservation. However, when the valve and the shell iron sheet and rock wool are removed for maintenance, the thin iron sheet is usually deformed or damaged and cannot be reused. Moreover, when the heat preservation shell is wrapped around the valve, the heat preservation cotton cannot fully fill the space inside the shell body outside the valve, or the heat preservation cotton is filled too much, which damages the heat preservation shell and causes the heat preservation shell to deform. UTILITY MODEL CONTENTS

[0005] Therefore, the utility model provides a valve heat preservation box, and the main purpose is that the box body can be reused, and the heat preservation cotton can be filled in the shell space.

[0006] In order to achieve the above purpose, the utility model mainly provides the following technical scheme:

[0007] The utility model provides a valve heat preservation box, which comprises heat preservation cotton, a box body and a plurality of cover plates.

[0008] The heat preservation cotton is attached to the outer surface of the valve.

[0009] The box body comprises a first abutting piece and a second abutting piece, the edges of the first abutting piece and the second abutting piece are mutually abutted, and the heat preservation cotton is wrapped.

[0010] The surface of the first abutting piece and the surface of the second abutting piece are respectively provided with a placing opening, and the cover plate is detachably connected to the placing opening.

[0011] The purposes and technical problems of the utility model can also be further realized by the following technical measures.

[0012] Optionally, edges of the first abutting piece are fixedly connected to a plurality of first fixed plates, the first fixed plates are provided with first through holes, edges of the second abutting piece are fixedly connected to a plurality of second fixed plates, the second fixed plates are provided with second through holes, each first through hole corresponds to one second through hole, and the first through holes and the second through holes are used for sequentially penetrating the bolts.

[0013] Optionally, the first abutting piece and the second abutting piece are left-right abutted to form the cylindrical box body, and the placing opening is located on the upper side of the circumference of the box body.

[0014] Optionally, the first abutting piece and the second abutting piece are left-right abutted to form the rectangular box body, and the placing opening is located on the upper side of the rectangle of the box body.

[0015] Optionally, edges of the cover plate are connected to edges of the placing opening through screws.

[0016] Optionally, one side edge of the cover plate is hingedly connected to one side edge of the placing opening, and the other side edge of the cover plate is connected to the other side edge of the placing opening through a buckle mechanism.

[0017] Optionally, edges of the first abutting piece and edges of the second abutting piece are fixedly connected to sealing tapes, respectively.

[0018] By the above technical solution, the utility model has at least the following advantages:

[0019] When the heat preservation box is used, a small amount of heat preservation cotton is filled in the first abutting piece and the second abutting piece, the first abutting piece and the second abutting piece are abutted with each other, the heat preservation cotton is prevented from damaging the heat preservation box, more heat preservation cotton is added into the heat preservation box through the placing opening, and when the heat preservation cotton is appropriately filled in the internal space of the box body, the cover plate is installed to the placing opening.

[0020] In this way, the box body is prevented from being deformed by the heat preservation cotton, when the valve needs to be repaired again, the abutting relationship of the first abutting piece and the second abutting piece is removed, the heat preservation cotton is removed, the first abutting piece and the second abutting piece are not deformed, the box body can be repeatedly used, and the heat preservation cotton is appropriately filled in the internal space of the box body. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 A top view of the valve heat preservation box provided for the utility model embodiment is shown in the figure.

[0022] Figure 2A side view partial section view of the valve heat preservation box is provided for the embodiment of the utility model,

[0023] Figure 3 An axial view of the valve heat preservation box is provided for the embodiment of the utility model,

[0024] Figure 4 Another axial view of the valve heat preservation box is provided for the embodiment of the utility model,

[0025] Figure 5 For Figure 1 The enlarged view of the A part in the middle,

[0026] Figure 6 For Figure 2 The enlarged view of the B part in the middle,

[0027] Figure 7 For Figure 2 The enlarged view of the C part in the middle.

[0028] The reference signs in the drawings of the specification include: heat preservation cotton 1, valve 2, first butt joint 3, second butt joint 4, cover plate 5, first fixed plate 6, second fixed plate 7, bolt 8, screw 9, buckle mechanism 10, hook body 101, pull ring 102, flap 103. DETAILED DESCRIPTION

[0029] In order to further illustrate the technical means and effects taken by the utility model to achieve the predetermined utility model purposes, the specific implementation, structure, features and effects according to the utility model application are described in detail as follows in combination with the drawings and preferred embodiments. In the following description, different "an embodiment" or "embodiments" do not necessarily refer to the same embodiment. In addition, the specific features, structures or characteristics in one or more embodiments can be combined in any suitable form.

[0030] The utility model will be further described in detail in combination with the drawings and embodiments.

[0031] As Figure 1 And Figure 2 An embodiment of the utility model provides a valve heat preservation box, which comprises: heat preservation cotton 1, a box body and a plurality of cover plates 5.

[0032] The heat preservation cotton 1 is attached to the outer surface of the valve 2.

[0033] The box body comprises a first butt joint 3 and a second butt joint 4, the edges of the first butt joint 3 and the edges of the second butt joint 4 are mutually butted, and are used for wrapping the heat preservation cotton 1.

[0034] The surface of the first butt joint 3 and the surface of the second butt joint 4 are respectively provided with a placing opening, and the cover plate 5 can be detachably connected to the placing opening.

[0035] The working process of the valve heat preservation box is as follows:

[0036] When using the heat preservation box, a small amount of heat preservation cotton 1 is filled in the first connecting piece 3 and the second connecting piece 4, which facilitates the mutual docking of the first connecting piece 3 and the second connecting piece 4, and avoids the damage of the heat preservation cotton 1 to the heat preservation box. Then, more heat preservation cotton 1 is added to the heat preservation box through the placing opening. When the heat preservation cotton 1 is appropriately filled in the internal space of the box body, the cover plate 5 is installed to the placing opening.

[0037] In this way, the box body is prevented from being deformed by the heat preservation cotton 1. When the valve 2 needs to be repaired again, the first connecting piece 3 and the second connecting piece 4 are removed, and the heat preservation cotton 1 is removed. The first connecting piece 3 and the second connecting piece 4 are not deformed, which ensures that the box body can be reused, and the heat preservation cotton 1 is appropriately filled in the internal space of the box body.

[0038] Specifically, through the above structure design, the heat preservation cotton 1 can be appropriately filled in the internal space of the box body, and the service life of the box body is prolonged.

[0039] As shown in Figure 1 , Figure 2 , Figure 5 In the specific embodiment, the edge of the first connecting piece 3 is fixedly connected to a plurality of first fixed plates 6, the first fixed plate 6 is provided with a first through hole, the edge of the second connecting piece 4 is fixedly connected to a plurality of second fixed plates 7, the second fixed plate 7 is provided with a second through hole, each first through hole corresponds to one of the second through holes, and the bolt 8 is sequentially threaded through the first through hole and the second through hole.

[0040] In the embodiment, specifically, the bolt 8 is threaded through the first through hole and the second through hole, and a nut is connected. In this way, when the valve 2 is repaired next time, the bolt 8 and the nut are removed, and the box body and the heat preservation cotton 1 are removed.

[0041] At the same time, the connection relationship of the first connecting piece 3 and the second connecting piece 4 is fixed by the bolt 8 and the nut. The bolt 8 and the nut are removed to avoid excessive stress on the first connecting piece 3 and the second connecting piece 4, maintain the shape of the first connecting piece 3 and the second connecting piece 4 unchanged, and continue to be used subsequently.

[0042] As shown in Figure 4 In the specific embodiment, the first connecting piece 3 and the second connecting piece 4 are docked left and right to form a cylindrical box body, and the placing opening is located on the upper side of the circumference of the box body.

[0043] In the embodiment, specifically, when the cylindrical box body is used, after the first docking part 3 and the second docking part 4 are docked, the maintenance personnel can use a rod-shaped tool to push the thermal insulation cotton 1 to slide downward along the inner circumferential wall of the box body when adding more thermal insulation cotton 1 into the box body through the placing opening, because the sliding resistance of the thermal insulation cotton 1 on the inner circumferential surface is relatively small, the thermal insulation cotton 1 is filled densely in the box body.

[0044] As shown in Figure 3 In the embodiment, the first docking part 3 and the second docking part 4 are docked left and right to form a rectangular box body, and the placing opening is located on the upper side of the rectangular box body.

[0045] In the embodiment, specifically, when the rectangular box body is used, the first docking part 3 and the second docking part 4 are docked after the lower half space of the first docking part 3 and the lower half space of the second docking part 4 are filled with more thermal insulation cotton 1, and the excess thermal insulation cotton 1 in the lower part of the box body moves upward due to extrusion, and then the maintenance personnel adds thermal insulation cotton 1 into the box body through the placing opening, so that the thermal insulation cotton 1 fully occupies the internal space of the box body; during the subsequent operation of the valve 2, the position of the thermal insulation cotton 1 in the rectangular box body is relatively stable and is not easy to slide relative to the box body.

[0046] As shown in Figure 2 and Figure 6 In the embodiment, the edge of the cover plate 5 is connected to the edge of the placing opening through the screw 9.

[0047] In the embodiment, the edge of the cover plate 5 and the edge of the placing opening are respectively provided with screw holes, and the screw 9 respectively passes through the screw holes of the edge of the cover plate 5 and the edge of the placing opening, so that the cover plate 5 is stably covered on the placing opening.

[0048] As shown in Figure 2 and Figure 7 In the embodiment, one side edge of the cover plate 5 is hinged to one side edge of the placing opening, and the other side edge of the cover plate 5 is connected to the other side edge of the placing opening through the buckle mechanism 10.

[0049] In the previous embodiment, the connection relationship of the screw 9 and the screw hole is used, and after the valve 2 is repaired for many times, the threads of the screw hole and the screw 9 are easy to be worn and corroded; while in the embodiment, the other side edge of the cover plate 5 is connected to the other side edge of the placing opening through the buckle mechanism 10, and the buckle mechanism 10 can be used for a longer time than the threaded connection mechanism.

[0050] Specifically, the buckle mechanism 10 comprises a hook body 101, a pull ring 102 and a flap 103, the hook body 101 is fixedly installed on the other side edge of the cover plate 5, the side edge of the flap 103 is rotatably connected to the other side edge of the placing opening, one side edge of the pull ring 102 is rotatably connected to the middle part of the flap 103, and the other side edge of the pull ring 102 is hooked on the hook body 101.

[0051] In the specific embodiment, the edges of the first and second abutting members 3 and 4 are respectively fixedly connected to the sealing adhesive tape.

[0052] In the specific embodiment, because the heat preservation pipeline and the valve 2 in the factory area are generally in the outdoor open environment, the edges of the first and second abutting members 3 and 4 are respectively fixedly connected to the sealing adhesive tape, the first and second abutting members 3 and 4 are abutted together, the sealing adhesive tape is extruded, the inner space of the box body is closed, the outside rainwater is prevented from penetrating into the inner space of the box body, and the heat preservation effect is more durable.

[0053] The above is only a specific embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can easily think of changes or replacements within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A valve warmer, characterized by, The utility model relates to a valve heat preservation box, comprising: thermal cotton attached to the outer surface of the valve; a box body comprising a first joint and a second joint, the edges of the first joint and the second joint being mutually jointed to wrap the thermal cotton; a plurality of cover plates, the surfaces of the first joint and the second joint being respectively provided with a placing opening, and the cover plates being detachably connected to the placing openings.

2. The valve heat preservation box according to claim 1, wherein: the edges of the first joint are fixedly connected to a plurality of first fixed plates, the first fixed plates being provided with first through holes, the edges of the second joint being fixedly connected to a plurality of second fixed plates, the second fixed plates being provided with second through holes, each of the first through holes corresponding to one of the second through holes for allowing a bolt to sequentially pass through the first through hole and the second through hole.

3. The valve heat preservation box according to claim 1, wherein: the first joint and the second joint are left and right jointed to form a cylindrical box body, and the placing openings are located on the upper side of the circumference of the box body.

4. The valve heat preservation box according to claim 1, wherein: the first joint and the second joint are left and right jointed to form a rectangular box body, and the placing openings are located on the upper side of the rectangle of the box body.

5. The valve heat preservation box according to claim 1, wherein: the edges of the cover plates are connected to the edges of the placing openings by screws.

6. The valve heat preservation box according to claim 1, wherein: one side edge of the cover plate is hingedly connected to one side edge of the placing opening, and the other side edge of the cover plate is connected to the other side edge of the placing opening by a buckle mechanism.

7. The valve heat preservation box according to any one of claims 1 to 6, wherein: the edges of the first joint and the second joint are respectively fixedly connected to sealing tapes.