Auxiliary heating device for valve

By designing an auxiliary heating device with a symmetrical insulated half-shell and heat-conducting plates, the problems of uneven heating and high energy consumption of valves in low-temperature fluid transport systems were solved, achieving efficient and low-cost heat transfer and sealing effects.

CN224214839UActive Publication Date: 2026-05-08WUXI YUANYOU THERMAL CONTROL ELECTRIC CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
WUXI YUANYOU THERMAL CONTROL ELECTRIC CO LTD
Filing Date
2025-05-26
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

Existing valves are prone to jamming and sealing failure in low-temperature or high-viscosity fluid transportation systems due to medium freezing, crystallization, or reduced fluidity. Furthermore, existing heating methods suffer from uneven heating, high energy consumption, high cost, and poor flexibility.

Method used

Design an auxiliary heating device including a symmetrical insulated half-shell, which transfers heat through heat-conducting plates and heating elements, and injects adhesive into the sealing edge to ensure heat transfer, forming a sealed cavity. Heat transfer is achieved by using thermally conductive adhesive, avoiding poor heat conduction or damage caused by the gap between the heating element and the valve body.

Benefits of technology

It achieves uniform heating of the valve, reduces energy consumption, improves heat transfer efficiency, avoids pressure damage between the heating element and the valve body, and has a simple structure and low cost.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN224214839U_ABST
    Figure CN224214839U_ABST
Patent Text Reader

Abstract

The utility model discloses an auxiliary heating device for a valve, and relates to the technical field of valve heating. Each heat preservation half shell comprises a main body part, the two ends of each main body part are each provided with an end plate of a semicircular structure, a receding opening is formed in one end of each main body part, the two heat preservation half shells are in butt joint into a whole through a connecting mechanism, the main body parts of the two heat preservation half shells form an outer cover, and a main penetrating opening is formed between the receding openings of the two heat preservation half shells. A valve pipe penetrating opening is formed in the axis of the two end plates on the same side. Through the design of the two heat preservation half shells, the valve can be completely covered after butt joint, meanwhile, through the design of the heating element and the heat conduction piece, heat of the heating element can be transmitted through the heat conduction piece, meanwhile, glue is injected into the sealing edge, heat conduction glue is used for heat transmission between the heat conduction piece and the valve, and therefore the sealing performance of the valve is improved. Heating of the valve is integrally achieved, and the heat transfer effect can be ensured.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] This utility model belongs to the field of valve heating technology, and in particular relates to an auxiliary heating device for valves. Background Technology

[0002] In low-temperature or high-viscosity fluid transport systems, existing valves are prone to problems such as valve jamming and seal failure due to medium freezing, crystallization, or reduced fluidity, which can even lead to safety accidents. Existing solutions include electric heating tape, steam heating tape, or hot water circulation. Electric heating tape is wrapped around the outside of the valve, but due to differences in valve structure, problems such as uneven heating, high energy consumption, and inaccurate temperature control may occur. It is also prone to damage to the sealing material due to local overheating. Steam heating tape and hot water circulation methods require the laying of pipelines, which are complex, costly, and lack flexibility. Summary of the Invention

[0003] The purpose of this utility model is to provide an auxiliary heating device for valves. Through the design of two insulated half-shells, they can completely cover the outside of the valve after docking. At the same time, through the design of heating elements and heat-conducting plates, the heat of the heating elements can be transferred through the heat-conducting plates. In addition, by injecting glue into the sealing edge, the heat-conducting glue is used for heat transfer between the heat-conducting plates and the valve, thus achieving overall valve heating and ensuring heat transfer effect.

[0004] To solve the above-mentioned technical problems, this utility model is achieved through the following technical solution:

[0005] This utility model is an auxiliary heating device for valves, comprising a set of symmetrically arranged heat-insulating half-shells;

[0006] The heat-insulating half-shell includes a main body, both ends of which are provided with end plates of a semi-circular ring structure, and one end of the main body is provided with a clearance opening;

[0007] The two insulation half-shells are connected together by a connecting mechanism, the main body of the two insulation half-shells forms an outer cover, the relief opening of the two insulation half-shells forms a main through-hole, and the valve pipe through-hole is formed at the axis of the two end plates on the same side.

[0008] The inner wall of the insulated semi-shell is provided with several frame-shaped sealing edges, and several arc-shaped heat-conducting sheets are fixed on the inner wall of the insulated semi-shell. The heat-conducting sheets are respectively arranged in the several sealing edges, and the thickness of the heat-conducting sheets is less than the thickness of the sealing edges.

[0009] Both ends of the sealing edge are provided with glue openings extending to the outer surface of the heat-insulating half shell. The glue openings are provided with glue nozzles or plugs, and the heat-conducting sheet is provided with notches opposite to the glue openings.

[0010] Several heating elements are embedded and fixed inside the heat-insulating half-shell. An insulating layer is provided on the outside of the heating elements, and several heat-conducting sheets are respectively attached to the outside of the heating elements.

[0011] Furthermore, it also includes a valve device, which includes a valve body with a gap between the two insulated half-shells. The valve body has valve tubes at both ends, which pass through valve tube openings. The valve body is provided with opening and closing elements, which pass through the main opening.

[0012] Furthermore, the sealing edge is attached to the outer surface of the valve body to form a sealing cavity, which is filled with thermally conductive adhesive.

[0013] Furthermore, the connecting mechanism is a cable tie, strap, or fiberglass tape, and the connecting mechanism is divided into two parts, which are respectively fitted onto the outside of the two ends between the two insulation half shells.

[0014] Furthermore, double-sided adhesive is provided between the surfaces of the two insulated half-shells that are in contact, and the two insulated half-shells are bonded and fixed together by the double-sided adhesive.

[0015] Furthermore, each of the outer sides of the insulated half-shell away from the relief opening is provided with a connector end, and several heating elements inside the insulated half-shell are connected to the connector end.

[0016] This utility model has the following beneficial effects:

[0017] This invention features a design with two insulated half-shells that, when joined together, can completely cover the outside of the valve. Simultaneously, the design incorporates a heating element and a heat-conducting plate, allowing heat to be transferred from the heating element via the heat-conducting plate. Furthermore, by injecting adhesive into the sealing edge, the heat-conducting adhesive is used for heat transfer between the heat-conducting plate and the valve, thus achieving overall valve heating and ensuring effective heat transfer.

[0018] This invention, through the design of a sealing edge, forms a sealed cavity between the valve and the outer wall after installation by squeezing the valve. Adhesive can be injected into the sealed cavity through the glue port, and the heat-conducting adhesive is used for heat transfer. Compared with the solution of directly installing the heating element on the insulation half shell, it can ensure heat transfer and avoid the problems of poor heat conduction caused by the gap between the heating element and the valve body or the pressure between the heating element and the valve body causing damage to the element.

[0019] This invention uses double-sided adhesive on the connecting surfaces of the two insulation half-shells to pre-fix them, facilitating position adjustment and the arrangement of subsequent connection mechanisms. The two insulation half-shells are connected by cable ties, straps, or tape, which not only facilitates fixing but also provides insulation protection and reduces costs.

[0020] Of course, any product implementing this utility model does not necessarily need to achieve all of the advantages described above at the same time. Attached Figure Description

[0021] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a schematic diagram of the structure of the heat-insulating half-shell of this utility model;

[0023] Figure 2 This is a schematic diagram of the structure after the two insulated half-shells are combined.

[0024] Figure 3 A schematic diagram of the structure after the two insulated half-shells and the connecting mechanism are combined;

[0025] The attached diagram lists the components represented by each number as follows:

[0026] 1-Insulated half-shell, 2-Connecting mechanism, 101-Main body, 102-End plate, 103-Leaning opening, 104-Sealing edge, 105-Heat-conducting sheet, 106-Glue opening, 107-Notch. Detailed Implementation

[0027] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0028] Please see Figure 1-3 As shown, this utility model is an auxiliary heating device for valves, comprising a set of symmetrically arranged heat-insulating half-shells 1;

[0029] The heat-insulating half-shell 1 includes a main body 101, with end plates 102 of semi-circular ring structure at both ends of the main body 101, and a clearance opening 103 at one end of the main body 101.

[0030] Two insulated half-shells 1 are connected together by a connecting mechanism 2. The main body 101 of the two insulated half-shells 1 forms an outer cover. The main through-hole is formed between the relief openings 103 of the two insulated half-shells 1. The valve pipe through-hole is formed at the axis of the two end plates 102 on the same side.

[0031] The inner wall of the heat-insulating half shell 1 is provided with several frame-shaped sealing edges 104, and several arc-shaped heat-conducting sheets 105 are fixed on the inner wall of the heat-insulating half shell 1. The heat-conducting sheets 105 are respectively arranged in the several sealing edges 104, and the thickness of the heat-conducting sheets 105 is less than the thickness of the sealing edges 104.

[0032] Both ends of the sealing edge 104 are provided with glue inlets 106 extending to the outer surface of the insulation half shell 1. The glue inlets 106 are provided with glue nozzles or plugs. The heat-conducting plate 105 is provided with notches 107 opposite to the glue inlets 106. During the installation process, glue is injected through the bottom glue inlet 106, and the top glue inlet 106 is used to observe whether the sealing cavity is filled.

[0033] Several heating elements are embedded and fixed inside the heat-insulating half-shell 1. An insulating layer is provided on the outside of the heating elements, and several heat-conducting plates 105 are respectively attached to the outside of the heating elements.

[0034] It also includes a valve device, which includes a valve body. The valve body gap is set inside the two insulated half shells 1. Valve pipes are provided at both ends of the valve body. The valve pipes pass through the valve pipe openings. Opening and closing parts are provided on the valve body. The opening and closing parts pass through the main openings.

[0035] The sealing edge 104 is attached to the outer surface of the valve body to form a sealing cavity, which is filled with thermally conductive adhesive.

[0036] Among them, such as Figure 3 As shown, the connecting mechanism 2 is a cable tie, strap, or fiberglass tape. The connecting mechanism 2 is divided into two parts, which are respectively fitted onto the outside of the two ends between the two insulation half shells 1.

[0037] Double-sided adhesive is provided between the surfaces of the two insulated half-shells 1 that are in contact with each other. The two insulated half-shells 1 are fixed together by the double-sided adhesive, which can be pre-fixed and facilitates the setting of the connection mechanism 2.

[0038] Among them, the outer side of the insulated half shell 1 away from the relief opening 103 is provided with a connector end, and several heating elements inside the insulated half shell 1 are connected to the connector end.

[0039] In the description of this specification, references to terms such as "an embodiment," "example," "specific example," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0040] The preferred embodiments of this utility model disclosed above are merely illustrative of the present utility model. These preferred embodiments do not exhaustively describe all details, nor do they limit the utility model to the specific implementations described. Clearly, many modifications and variations can be made based on the content of this specification. This specification selects and specifically describes these embodiments to better explain the principles and practical applications of this utility model, thereby enabling those skilled in the art to better understand and utilize it. This utility model is limited only by the claims and their full scope and equivalents.

Claims

1. An auxiliary heating device for valves, characterized in that: Includes a set of symmetrically arranged insulated half-shells (1); The heat-insulating half shell (1) includes a main body (101), both ends of the main body (101) are provided with end plates (102) with a semi-circular ring structure, and one end of the main body (101) is provided with a relief opening (103). The two insulation half shells (1) are connected together by a connecting mechanism (2). The main body (101) of the two insulation half shells (1) forms an outer cover. The main through-hole is formed between the relief openings (103) of the two insulation half shells (1). The valve pipe through-hole is formed at the axis of the two end plates (102) on the same side. The inner wall of the heat-insulating half shell (1) is provided with several frame-shaped sealing edges (104), and several arc-shaped heat-conducting sheets (105) are fixed on the inner wall of the heat-insulating half shell (1). Several heat-conducting sheets (105) are respectively arranged in several sealing edges (104), and the thickness of the heat-conducting sheets (105) is less than the thickness of the sealing edges (104). Both ends of the sealing edge (104) are provided with glue openings (106) extending to the outer surface of the heat-insulating half shell (1). The glue openings (106) are provided with glue nozzles or plugs. The heat-conducting sheet (105) is provided with notches (107) opposite to the glue openings (106). A number of heating elements are embedded and fixed inside the heat-insulating half shell (1). An insulating layer is provided on the outside of the heating elements, and a number of heat-conducting sheets (105) are respectively attached to the outside of the heating elements.

2. The auxiliary heating device for a valve according to claim 1, characterized in that, It also includes a valve device, which includes a valve body. The valve body gap is set inside two insulated half shells (1). The valve body has valve pipes at both ends. The valve pipes pass through the valve pipe opening. The valve body has an opening and closing element that passes through the main opening.

3. The auxiliary heating device for a valve according to claim 2, characterized in that, The sealing edge (104) is attached to the outer surface of the valve body to form a sealing cavity, which is filled with thermally conductive adhesive.

4. The auxiliary heating device for a valve according to claim 1, characterized in that, The connecting mechanism (2) is a cable tie, strap, or fiberglass tape. The connecting mechanism (2) is divided into two parts, which are respectively fitted onto the outside of the two ends between the two insulation half shells (1).

5. An auxiliary heating device for a valve according to claim 1, characterized in that, Double-sided adhesive is provided between the surfaces of the two heat-insulating half shells (1) that are in contact, and the two heat-insulating half shells (1) are bonded and fixed by the double-sided adhesive.

6. An auxiliary heating device for a valve according to claim 1, characterized in that, The heat-insulating half shell (1) is provided with a connector end on the outer side of the end away from the relief opening (103), and several heating elements inside the heat-insulating half shell (1) are connected to the connector end.