Safety protection device for pressure-bearing special equipment
The automatic pressure relief control of the boiler is achieved by using a valve core assembly driven by a servo motor and a pressure sensor, which solves the problem that existing boiler safety devices require manual supervision and improves the safety and operational stability of the equipment.
Patent Information
- Application Number
- CN202520480331.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-19
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-03-19
AI Technical Summary
Existing boiler safety devices require real-time manual monitoring, resulting in high time costs and the risk of misoperation, and cannot effectively prevent safety hazards caused by high pressure.
The system employs a pressure relief assembly, including a servo motor-driven valve core assembly and a pressure sensor, to achieve automated pressure relief control. The valve core movement is precisely controlled by a threaded rod, and combined with a pressure relief pipe and a limit assembly, it ensures that the equipment automatically relieves pressure under high pressure.
It enables rapid and stable pressure relief of the boiler under high pressure, reduces the difficulty of manual operation, improves equipment safety, avoids safety hazards, and ensures that the equipment always operates within a safe pressure range.
Smart Images
Figure CN223725534U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to special equipment technical field, concretely is a kind of pressure type special equipment safety protection device. BACKGROUND
[0002] Special equipment refers to the life safety, dangerousness greater boiler, pressure vessel (including gas cylinder, same below), pressure pipeline, elevator, hoisting machinery, passenger cableway, large amusement facilities and the special motor vehicle in field (factory). Among them, boiler, pressure vessel (including gas cylinder), pressure pipeline are pressure type special equipment, with the extensive use of special equipment, need to rely on safety device to ensure the safe use and safety management of special equipment, prevent the occurrence of safety accident, cause property and life loss.
[0003] Boiler is a typical pressure type special equipment, and is widely used in industrial production, power generation, heating and other fields. Because it bears high temperature and high pressure inside, once accident occurs, it will often cause serious personnel casualties and property losses, therefore, the safe use and safety management of boiler are crucial, and must rely on various safety devices and technical means to ensure its safe operation, and the existing boiler is generally protected by safety valve, which needs operating personnel to supervise and cooperate with use, and the input labor time cost is large.
[0004] Based on this, a pressure type special equipment safety protection device is provided, which can eliminate the drawbacks of the existing device. UTILITY MODEL CONTENT
[0005] The utility model aims at providing a pressure type special equipment safety protection device to solve the problems in the background art.
[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:
[0007] A pressure type special equipment safety protection device, comprising a base, an installation assembly is arranged on the upper surface of the base, and a pressure relief assembly is arranged on one side of the installation assembly.
[0008] The pressure relief assembly comprises a pressure relief valve pipe, a valve core assembly is arranged in the pressure relief valve pipe, an air inlet pipe is fixedly connected to one side of the lower end of the pressure relief valve pipe, an air outlet pipe is fixedly connected to the other side of the lower end of the pressure relief valve pipe, a pressure relief pipe is fixedly connected to one side of the middle part of the pressure relief valve pipe, and one connecting flange is fixedly connected to the end of the air outlet pipe and the air inlet pipe away from the pressure relief valve pipe.
[0009] On the basis of the above technical scheme, the utility model also provides the following optional technical scheme:
[0010] In an optional scheme, the valve core assembly comprises a valve core, the valve core is arranged at the lower end of the pressure relief valve pipe in a sliding mode, a threaded rod is threadedly connected to the middle part of the valve core, a servo motor is fixedly connected to the top end of the pressure relief valve pipe, and the output end of the servo motor is fixedly connected to the upper end of the threaded rod.
[0011] In an optional scheme, a limiting assembly is arranged between the valve core and the pressure relief valve pipe.
[0012] In an optional scheme, the limiting assembly comprises limiting strips, two limiting strips are arranged and fixedly connected to the two sides of the valve core respectively, a pair of limiting grooves are symmetrically formed in the inner side of the pressure relief valve pipe, and the two limiting grooves are slidably connected to the limiting strips on the two sides of the valve core respectively.
[0013] In an optional scheme, a gas pressure sensor is fixedly connected to the inner side of the air outlet pipe.
[0014] In an optional scheme, the mounting assembly comprises placing grooves, the placing grooves are formed in the middle part of the upper surface of the base, and a plurality of fixed plates are arranged on the outer side of the upper end of the placing grooves.
[0015] In an optional scheme, a mounting groove is formed in one side of the upper surface of the base, and the pressure relief assembly is placed in the mounting groove.
[0016] In an optional scheme, a plurality of supporting legs are fixedly connected to the lower surface of the base.
[0017] Compared with the prior art, the utility model has the advantages as follows:
[0018] 1. According to the utility model, when the internal pressure of the pressure-bearing special equipment exceeds the set threshold value, the pressure relief function can be started quickly, the valve core assembly in the pressure relief valve pipe is driven by the servo motor, the movement of the valve core is accurately controlled through the threaded rod, the pressure relief channel is quickly opened or closed, the design is fast in response speed, the pressure relief process is stable and reliable, the safety hidden danger caused by excessively high pressure of the equipment is avoided, and the safety of equipment operation is improved significantly.
[0019] 2. In the utility model, the gas pressure sensor is integrated in the pressure relief assembly, the pressure change in the air outlet pipe can be monitored in real time, and data is fed back to the control system. In combination with the accurate driving of the servo motor, the intelligent control of the pressure relief process is realized. The operator does not need to manually intervene, the system can automatically adjust the position of the valve core according to the real-time pressure data, the equipment is ensured to be always in the safe pressure range, and the difficulty of manual operation and the risk of misoperation are greatly reduced. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 It is a whole structure schematic view of the utility model.
[0021] Figure 2 It is the installation assembly structure schematic view of the utility model.
[0022] Figure 3 It is the installation assembly structure schematic view of the utility model.
[0023] Figure 4 It is the internal structure schematic view of the utility model's pressure relief assembly.
[0024] Mark annotation: 1, base; 2, pressure relief valve pipe; 3, placing groove; 4, support leg; 5, fixed plate; 6, installation groove; 7, air outlet pipe; 8, air inlet pipe; 9, pressure relief pipe; 10, connecting flange; 11, air pressure sensor; 12, servo motor; 13, threaded rod; 14, valve core; 15, limit strip; 16, limit groove. DETAILED DESCRIPTION
[0025] In order to make the utility model's purpose, technical scheme and advantage more clearly, the following is in conjunction with the drawings and example, and the utility model is further detailed.
[0026] In one embodiment, as shown in Figures 1-4 A kind of pressure-bearing special equipment safety protection device, including base 1, the upper surface of the base 1 is provided with installation assembly, one side of the installation assembly is provided with pressure relief assembly;
[0027] The pressure relief assembly includes pressure relief valve pipe 2, the valve core assembly is arranged in the pressure relief valve pipe 2, the air inlet pipe 8 is fixedly connected to one side of the lower end of the pressure relief valve pipe 2, the air outlet pipe 7 is fixedly connected to the other side of the lower end of the pressure relief valve pipe 2, the pressure relief pipe 9 is fixedly connected to one side of the middle of the pressure relief valve pipe 2, the air outlet pipe 7 and the air inlet pipe 8 are fixedly connected with a connecting flange 10 at one end away from the pressure relief valve pipe 2;
[0028] In the embodiment, the air outlet pipe 7 and the air inlet pipe 8 are connected with boiler and air inlet pipe respectively, then when using, the air outlet pipe 7 and the air inlet pipe 8 are in normal unobstructed state, and the valve core assembly in the pressure relief valve pipe 2 only blocks one end of the pressure relief pipe 9 at this time, once the situation of excessive pressure appears, valve core assembly will be started to open one end of the pressure relief pipe 9, and actively pressure relief is carried out through the pressure relief pipe 9, when the pressure returns to normal state, servo motor 12 will be started to drive valve core 14 to return to original state.
[0029] In one embodiment, as shown in Figure 4 The valve core assembly includes valve core 14, the valve core 14 is slidably arranged in the lower end of the pressure relief valve pipe 2, a threaded rod 13 is threadedly connected to the middle of the valve core 14, a servo motor 12 is fixedly connected to the top end in the pressure relief valve pipe 2, and the output end of the servo motor 12 is fixedly connected with the upper end of the threaded rod 13.
[0030] In one embodiment, such as Figure 4 As shown, a limit assembly is provided between the valve core 14 and the pressure relief valve pipe 2.
[0031] In one embodiment, such as Figure 4 As shown, the limiting component includes two limiting strips 15, which are fixedly connected to both sides of the valve core 14. A pair of limiting grooves 16 are symmetrically opened on the inner side of the pressure relief valve pipe 2. The two limiting grooves 16 are slidably connected to the limiting strips 15 on both sides of the valve core 14. Once the pressure is too high, the valve core component will be activated to open one end of the pressure relief pipe 9 and actively relieve pressure through the pressure relief pipe 9. When the pressure returns to normal, the servo motor 12 will start to drive the valve core 14 back to its original state.
[0032] In one embodiment, such as Figure 4 As shown, a pressure sensor 11 is fixedly connected to the inside of the air outlet pipe 7. The pressure sensor 11 monitors the air pressure inside the air outlet pipe 7 in real time.
[0033] In one embodiment, such as Figure 3 As shown, the installation assembly includes a placement slot 3, which is located in the middle of the upper surface of the base 1. Several fixing plates 5 are arranged in an array on the outer side of the upper end of the placement slot 3. During installation, the boiler is placed inside the placement slot 3, and the fixing plates 5 are connected to the outer side of the lower end of the boiler to improve stability.
[0034] In one embodiment, such as Figure 3 As shown, a mounting groove 6 is provided on one side of the upper surface of the base 1, and a pressure relief component is placed in the mounting groove 6.
[0035] In one embodiment, such as Figure 1 As shown, several support legs 4 are fixedly connected around the lower surface of the base 1.
[0036] The above embodiment discloses a safety protection device for pressure-bearing special equipment. During installation, the boiler is placed inside the placement slot 3, and the stability is improved by connecting the fixing plate 5 to the lower outer side of the boiler. The outlet pipe 7 and the inlet pipe 8 are connected to the boiler and the inlet pipe respectively. During use, the outlet pipe 7 and the inlet pipe 8 are in a normal unobstructed state. At this time, the valve core assembly inside the pressure relief valve pipe 2 only blocks one end of the pressure relief pipe 9. The air pressure sensor 11 inside the outlet pipe 7 monitors the air pressure inside the outlet pipe 7 in real time. Once the pressure is too high, the valve core assembly will be activated to open one end of the pressure relief pipe 9 and actively relieve pressure through the pressure relief pipe 9. When the pressure returns to normal, the servo motor 12 will start to drive the valve core 14 back to its original state.
[0037] The above merely provides the specific implementation of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of the changes or replacements within the technical range disclosed by the present application, which should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.
Claims
1. A kind of special equipment safety protection device under pressure, including base (1), the upper surface of the base (1) is provided with installation component, one side of the installation component is provided with pressure relief component; characterized in that The pressure relief component includes pressure relief valve pipe (2), the inside of the pressure relief valve pipe (2) is provided with valve core component, the lower end of the pressure relief valve pipe (2) one side is fixedly connected with air inlet pipe (8), the lower end of the pressure relief valve pipe (2) the other side is fixedly connected with air outlet pipe (7), the middle part of the pressure relief valve pipe (2) one side is fixedly connected with pressure relief pipe (9), the air outlet pipe (7) and air inlet pipe (8) are fixedly connected with one connection flange (10) at the end away from the pressure relief valve pipe (2).
2. A safety device for special equipment under pressure according to claim 1, characterized in that, The valve core component includes valve core (14), the valve core (14) is slidably arranged in the lower end of pressure relief valve pipe (2), the middle part of the valve core (14) is screw-connected with a threaded rod (13), the top end of the pressure relief valve pipe (2) is fixedly connected with a servo motor (12), the output end of the servo motor (12) is fixedly connected with the upper end of threaded rod (13).
3. A safety device for special equipment under pressure according to claim 2, characterized in that, Limiting assembly is arranged between the valve core (14) and the pressure relief valve pipe (2).
4. The safety device for special equipment under pressure according to claim 3, characterized in that, The limiting assembly includes limiting strip (15), the limiting strip (15) is provided with two and is fixedly connected with the two sides of valve core (14) respectively, a pair of limiting grooves (16) is symmetrically formed in the inner side of pressure relief valve pipe (2), two limiting grooves (16) are slidably connected with the limiting strip (15) on the two sides of valve core (14) respectively.
5. The safety device for special equipment under pressure according to claim 1, characterized in that, The inner side of the air outlet pipe (7) is fixedly connected with air pressure sensor (11).
6. A safety device for special equipment under pressure according to claim 1, characterized in that, The installation component includes placing groove (3), the placing groove (3) is all formed in the middle part of the upper surface of base (1), and the outer side of the upper end of the placing groove (3) is arrayed with a plurality of fixed plates (5).
7. A safety device for special equipment under pressure according to claim 1, characterized in that, The upper surface of the base (1) is provided with installation slot (6) on one side, and the pressure relief component is placed in the installation slot (6) in limiting.
8. A safety device for special equipment under pressure according to claim 1, characterized in that, The lower surface of the base (1) is fixedly connected with a plurality of supporting legs (4) around.