Guarding type pilot valve armor protection device

Abstract

The application discloses a protective type pilot valve armor protection device and belongs to the technical field of pilot valve protection, which comprises a pilot valve body, a protective main body and a temperature control element are fixedly sleeved on the outer surface of the pilot valve body, the protective main body is composed of three layers of composite structures of an inner lining layer, an intermediate layer and an outer protective layer, the inner lining layer is a temperature-resistant fabric and is attached to the surface of the pilot valve, the intermediate layer is a heat preservation and insulation material and is clamped between the inner lining layer and the outer protective layer, and the outer protective layer is a fireproof and temperature-resistant coating material; the temperature control element is arranged in the protective main body and comprises a heater power line and a temperature control module; the three-layer composite structure is adopted, a graphene heat preservation layer is matched, the cold-proof and heat insulation effect is good, and the pipeline medium can be prevented from freezing. The built-in temperature control assembly realizes accurate temperature regulation and prevents the equipment from being damaged due to overheating. The outer layer protection has the functions of fireproofing, waterproofing and corrosion resistance, is convenient to disassemble and assemble as a whole, is firm in structure, is environment-friendly and free of harmful substances and can be recycled.

Description

Technical Field

[0001] This invention relates to the field of pilot valve protection technology, and more specifically, to a protective pilot valve armor protection device. Background Technology

[0002] In pneumatic conveying systems in the power industry, the pilot valve plays a crucial control role and is an indispensable core component of the entire system. It is primarily responsible for controlling the opening and closing of the airflow, precisely regulating the conveying state, and its opening and closing actions directly determine whether the system can operate normally. Once the pilot valve malfunctions, the entire pneumatic conveying process will be forced to stop. Therefore, its operational status directly affects the continuity and stability of the entire equipment and even the power plant's production operations.

[0003] However, in practical applications, winter temperatures in extremely cold northern regions can reach below -40°C. Compressed air inside the valve body and pipelines is prone to freezing, causing the pilot valve to jam and fail, ultimately leading to the shutdown of the entire transmission system and affecting the safe production of the power plant. Traditional insulation solutions suffer from problems such as poor insulation performance, lack of temperature control function leading to equipment overheating, insufficient fire and corrosion resistance, cumbersome disassembly and assembly, inability to be reused, and short service life.

[0004] Therefore, we have made improvements to this by proposing a protective pilot valve armor protection device. Summary of the Invention

[0005] In view of the above-mentioned problems existing in the prior art, the purpose of the present invention is to provide a protective pilot valve armor protection device.

[0006] To solve the above problems, the technical solution adopted by the present invention is as follows: A protective pilot valve armor protection device includes a pilot valve body, wherein a protective body and a temperature control element are fixedly sleeved on the outer surface of the pilot valve body; The protective body is composed of a three-layer composite structure consisting of an inner lining layer, a middle layer, and an outer protective layer. The inner lining layer is a heat-resistant fabric, which is attached to the surface of the pilot valve; the middle layer is a heat-insulating material, sandwiched between the inner lining layer and the outer protective layer; the outer protective layer is a fire-retardant and heat-resistant coating material. The temperature control element is arranged inside the protective body and includes a heater power supply wiring and a temperature control module. The heater power supply wiring has an external wiring lead out, and the temperature control module is electrically connected to the heater power supply wiring for real-time monitoring and temperature regulation.

[0007] Preferably, the surface of the protective body is fixedly connected with heat-resistant Velcro, and the protective body is spliced ​​and fixed using heat-resistant Velcro.

[0008] Preferably, the joint surfaces of each layer of the protective body are stitched together using high-strength, high-temperature resistant sewing thread.

[0009] Preferably, the protective body further includes a pilot circuit-specific armor, which is used in conjunction with the protective body and covers the outside of the pilot circuit.

[0010] Preferably, the thermal insulation material of the intermediate layer is a graphene composite thermal insulation material.

[0011] Preferably, the protective body is custom-formed according to the shape of the pilot valve and the usage environment, and fits tightly against the outer wall of the pilot valve.

[0012] Preferably, the fire-retardant and heat-resistant coating material also has waterproof, acid and alkali resistant, and salt corrosion resistant properties.

[0013] Preferably, the protective body does not contain asbestos or other harmful substances and can be repeatedly disassembled and reused.

[0014] Preferably, the pilot line special armor also adopts a three-layer composite structure of inner lining layer, middle layer and outer protective layer, and is equipped with a heat insulation structure.

[0015] Compared with the prior art, the beneficial effects of the present invention are as follows: By employing a three-layer composite structure consisting of a heat-resistant fabric inner lining, a graphene composite insulation middle layer, and a fire-resistant and heat-resistant outer protective layer, the thermal insulation capacity is significantly improved. This effectively prevents the pilot valve and compressed air in the pipeline from freezing in extremely cold environments, eliminating equipment downtime. The built-in temperature control module and heater power wiring form a temperature control system that can monitor and precisely adjust the temperature in real time, meeting anti-freezing requirements while preventing overheating that could damage internal valve components and pipelines. The outer protective layer is fireproof, waterproof, acid and alkali resistant, and salt corrosion resistant, adapting to various complex and harsh working conditions. The protective body is fixed using heat-resistant Velcro, and the joints between layers are stitched with high-strength, high-temperature resistant sewing thread, resulting in a robust structure that is easy to assemble and disassemble, greatly reducing the labor costs of daily equipment maintenance. The entire system is free of asbestos and other harmful substances, making it environmentally friendly. It also supports repeated disassembly and recycling, with a service life of 5 to 10 years, effectively reducing replacement frequency and maintenance costs. Meanwhile, the protective body can be customized according to the shape of the pilot valve and the usage environment, fitting tightly without any blind spots. Combined with the same three-layer composite structure and an additional heat insulation structure, it is a special protective armor for the pilot pipeline, achieving integrated protection for the entire pilot valve body and the entire pilot pipeline. Attached Figure Description

[0016] Figure 1 This application provides an overall schematic diagram of a protective pilot valve armor protection device. Figure 2 This application provides an overall disassembly diagram of a protective pilot valve armor protection device; Figure 3 A partial front view of a protective pilot valve armor protection device provided in this application; Figure 4 A block diagram of a temperature control system for a protective pilot valve armor protection device provided in this application.

[0017] In the diagram: 1. Fire-retardant and heat-resistant coating material; 2. Thermal insulation material; 3. Heat-resistant fabric; 4. Pilot valve body; 5. Heat-resistant Velcro; 6. Pilot circuit special armor; 7. Heater power wiring. Detailed Implementation

[0018] To enable those skilled in the art to better understand the present invention, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort should fall within the scope of protection of the present invention.

[0019] A protective pilot valve armor protection device includes a pilot valve body 4, with a protective body and a temperature control element fixedly sleeved on the outer surface of the pilot valve body 4; The protective structure consists of a three-layer composite structure: an inner lining layer, an intermediate layer, and an outer protective layer. The inner lining layer is a heat-resistant fabric 3, which is attached to the surface of the pilot valve; the middle layer is a heat-insulating material 2, which is sandwiched between the inner lining layer and the outer protective layer; the outer protective layer is a fire-resistant and heat-resistant coating material 1. The temperature control element is located inside the protective body and includes the heater power supply wiring 7 and the temperature control module. The heater power supply wiring 7 has an external wiring lead out, and the temperature control module is electrically connected to the heater power supply wiring 7 for real-time monitoring and temperature regulation. The entire assembly is fitted around the pilot valve body 4, with an inner lining made of heat-resistant fabric 3 tightly adhering to the valve body surface. The middle layer of thermal insulation material 2 is sandwiched between the inner lining and the outer protective layer of fire-resistant and heat-resistant coating material. The three-layer composite structure works together to provide basic thermal insulation, heat insulation, and fire protection for the pilot valve body 4. The temperature control module, located inside the protective body, is electrically connected to the heater power supply wiring 7. The heater power supply wiring 7 extends to an external wiring to provide external power. The temperature control module can monitor the temperature around the valve body in real time and, in conjunction with the monitoring data, use the circuit to work with the heater to complete temperature regulation. This not only prevents the valve body and the medium in the pipeline from freezing in low-temperature environments but also prevents overheating from damaging the valve body components. Through the cooperation of these structures, the pilot valve body 4 is protected and its temperature is kept constant.

[0020] Furthermore, the surface of the protective body is fixedly connected with heat-resistant Velcro 5, and the protective body is spliced ​​and fixed by heat-resistant Velcro 5; The protective body is equipped with heat-resistant Velcro 5. The overall splicing and fixing work is completed by relying on the heat-resistant Velcro 5, so that the protective body can be firmly wrapped around the outside of the pilot valve body 4. At the same time, the opening and closing structure of the Velcro allows for quick installation and disassembly of the protective body, which facilitates subsequent maintenance work on the pilot valve body 4.

[0021] Furthermore, the joint surfaces of each layer of the protective structure are connected by high-strength, high-temperature resistant sewing thread; The bonding surfaces of the inner lining, middle layer and outer protective layer of the protective body are all sewn together with high-strength, high-temperature resistant sewing thread. This sewing method can tightly bond the three-layer structure into one, improve the overall structural strength and heat resistance of the protective body, avoid the separation and loosening of the layers under high and low temperature conditions, and ensure that the protective body is stably covered on the outside of the pilot valve body 4 for a long time.

[0022] Furthermore, the protective body also includes a pilot line special armor 6, which is used in conjunction with the protective body and covers the outside of the pilot line; The protective body is equipped with a pilot line special armor 6. The armor works together with the protective body to cover the outside of the pilot line. Together with the protective body covering the pilot valve body 4, they form a linkage protection system to simultaneously insulate, heat-insulate and protect the pilot line, so that the entire pilot valve gas circuit can be fully protected and avoid problems such as medium freezing and component damage caused by the harsh external environment.

[0023] Furthermore, the thermal insulation material 2 in the middle layer is a graphene composite insulation material; The middle layer of the protective body uses graphene composite insulation material as the core insulation component. This material is sandwiched between the inner lining layer made of heat-resistant fabric 3 and the outer protective layer made of fire-resistant and heat-resistant coating material. With its own low thermal conductivity, excellent insulation performance, resistance to high and low temperatures and flexible texture, it greatly reduces the heat transfer efficiency, effectively blocks the influence of external low temperature or high temperature on the pilot valve body 4, reduces heat loss and continuously plays the role of heat insulation.

[0024] Furthermore, the protective body is custom-molded according to the shape of the pilot valve and the usage environment, and fits tightly against the outer wall of the pilot valve; The protective body is customized and molded according to the external dimensions of the pilot valve and the actual on-site usage environment. After molding, the protective body can fit completely on the outer wall surface of the pilot valve without leaving any protective gaps. This allows the inner lining, intermediate layer, and outer protective layer to fully exert their protective performance such as heat insulation, fire prevention, etc., avoiding heat leakage and protection blind spots. It also ensures the overall structural stability of the protective body and comprehensively blocks the impact of harsh external environments on the pilot valve.

[0025] Furthermore, the fire-resistant and heat-resistant coating material 1 also has waterproof, acid and alkali resistant, and salt corrosion resistant properties; The fireproof and heat-resistant coating material 1, which serves as the outer layer of the protective body, not only has basic fireproof and heat-resistant capabilities, but also has waterproof, acid and alkali resistant, and salt corrosion resistant properties. It can form a solid protective barrier on the outside, effectively preventing external corrosive media such as water vapor, acid and alkali substances, and salt spray from contacting the internal structure and pilot valve body 4, thus avoiding damage to the equipment caused by corrosion and water seepage.

[0026] Furthermore, the protective body does not contain asbestos or other harmful substances and can be repeatedly disassembled and reused; The protective body is made without the addition of harmful substances such as asbestos, making it green and safe and posing no harm to operators or the surrounding environment. At the same time, its overall structure is durable, easy to assemble and disassemble, and can be disassembled and reinstalled multiple times, enabling it to be reused repeatedly.

[0027] Furthermore, the pilot line special armor 6 also adopts a three-layer composite structure of inner lining layer, middle layer and outer protective layer, and is equipped with a heat insulation structure; The pilot line armor 6 adopts the same three-layer composite structure as the main protective body, consisting of an inner lining layer, a middle layer, and an outer protective layer. It is also equipped with a dedicated insulation structure. The three layers are tightly combined and completely cover the outside of the pilot line. Relying on the properties of each layer of materials, it achieves the functions of heat preservation, heat insulation, and protection. The matching insulation structure further enhances the temperature control effect. Together with the protective body on the outside of the pilot valve body 4, it forms all-round protection for the entire pilot line.

[0028] Those skilled in the art should understand that the discussion of any of the above embodiments is merely exemplary and is not intended to imply that the scope of protection of this application is limited to these examples; within the framework of this application, the technical features of the above embodiments or different embodiments can also be combined, the steps can be implemented in any order, and there are many other variations of different aspects of one or more embodiments of this application as described above, which are not provided in detail for the sake of brevity.

[0029] One or more embodiments in this application are intended to cover all such substitutions, modifications, and variations that fall within the broad scope of this application. Therefore, any omissions, modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of one or more embodiments in this application should be included within the protection scope of this application.

Claims

1. A protective pilot valve armor protection device, comprising a pilot valve body (4), characterized in that, The outer surface of the pilot valve body (4) is fixedly fitted with a protective body and a temperature control element; The protective body is composed of a three-layer composite structure consisting of an inner lining layer, a middle layer, and an outer protective layer. The inner lining layer is a heat-resistant fabric (3), which is attached to the surface of the pilot valve; the middle layer is a heat-insulating material (2), which is sandwiched between the inner lining layer and the outer protective layer; the outer protective layer is a fire-resistant and heat-resistant coating material (1). The temperature control element is arranged inside the protective body and includes a heater power supply wiring (7) and a temperature control module. The heater power supply wiring (7) has an external wiring. The temperature control module is electrically connected to the heater power supply wiring (7) and is used to monitor and regulate the temperature in real time.

2. The protective pilot valve armor protection device according to claim 1, characterized in that, The surface of the protective body is fixedly connected with heat-resistant hook and loop fasteners (5), and the protective body is spliced ​​and fixed by using heat-resistant hook and loop fasteners (5).

3. The protective pilot valve armor protection device according to claim 2, characterized in that, The joint surfaces of each layer of the protective body are stitched together using high-strength, high-temperature resistant sewing thread.

4. The protective pilot valve armor protection device according to claim 3, characterized in that, The protective body also includes a pilot line special armor (6), which is used in conjunction with the protective body and covers the outside of the pilot line.

5. A protective pilot valve armor protection device according to claim 1, characterized in that, The thermal insulation material (2) in the middle layer is a graphene composite thermal insulation material.

6. A protective pilot valve armor protection device according to claim 4, characterized in that, The protective body is custom-molded according to the shape of the pilot valve and the usage environment, and fits tightly against the outer wall of the pilot valve.

7. A protective pilot valve armor protection device according to claim 1, characterized in that, The fireproof and heat-resistant coating material (1) has waterproof, acid and alkali resistant, and salt corrosion resistant properties.

8. A protective pilot valve armor protection device according to claim 6, characterized in that, The protective body does not contain asbestos or other harmful substances and can be repeatedly disassembled and reused.

9. A protective pilot valve armor protection device according to claim 4, characterized in that, The pilot line special armor (6) also adopts a three-layer composite structure of inner lining, middle layer and outer protective layer, and is equipped with a heat insulation structure.

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