A heat-resistant steel casting waste heat recycling system
Patent Information
- Application Number
- CN202522122273.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-10-09
- Publication Date
- 2026-10-16
- Estimated Expiration
- 2035-10-09
AI Technical Summary
[0006]本实用新型提供一种耐热钢铸造余热回收利用系统，解决了铸造好的热刚铸件在冷却过程中热量挥发浪费降低了资源利用率的问题
本实用新型提供一种耐热钢铸造余热回收利用系统，为了提高耐热钢铸造余热回收利用率，在热能回收框的顶部安装一个回收顶，之后将两个换热结构安装在回收顶的内部，让高温气体为换热结构内部的液体加热，同时可以将热气进行降温，方便后期对热气的利用，同时通过排气管将排出框和过滤组件连接好，对初步冷却的热气进行过滤，在通过引风组件注入到对应区域辅助升温，如果需要为办公室供热，可以打开空气进入管一端电磁阀的开合角度让外部空气根据需求的量进入到注入头中，让外部空气和热气混合，二次降温达到可以供暖的温度，之后通过净化组件对气体进行净化，就可以输送到对应位置供暖，通过该设计对耐热钢铸造余热进行两侧回收再利用，提高余热回收利用率，同时增加气体流速辅助耐热钢铸造件散热有利于提高冷却效率。
Smart Images
Figure CN224860900U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of heat-resistant steel casting preheating recovery technology, and in particular to a heat-resistant steel casting waste heat recovery and utilization system. Background Technology
[0002] Heat-resistant steel castings refer to steel materials that work at high temperatures. The development of heat-resistant steel castings is closely related to the technological progress of various industrial sectors such as power plants, boilers, gas turbines, internal combustion engines, and aero engines. Due to the different operating temperatures and stresses of various machines and devices, as well as the different environments they are in, the types of steel used are also different.
[0003] In the process of heat-resistant steel casting, the raw material needs to be heated to the corresponding temperature, and then cast in a corresponding manner. After the hot steel raw material is processed, it will be placed on a cooling platform to cool.
[0004] During this process, the surface temperature of the hot steel casting remains high, resulting in slow natural cooling and wasted heat, which reduces resource utilization.
[0005] Therefore, it is necessary to provide a waste heat recovery and utilization system for heat-resistant steel casting to solve the above-mentioned technical problems. Summary of the Invention
[0006] This invention provides a waste heat recovery and utilization system for heat-resistant steel casting, which solves the problem of heat loss and waste during the cooling process of cast hot steel parts, thus reducing resource utilization.
[0007] To solve the above-mentioned technical problems, the heat-resistant steel casting waste heat recovery and utilization system provided by this utility model includes: an adjustment bracket; A heat recovery frame is installed on top of an adjusting bracket. Side plates are rotatably connected to both sides of the heat recovery frame. A recovery top is installed on the top of the heat recovery frame. Two heat exchange structures are installed inside the recovery top. Each heat exchange structure includes heat exchange plates, a docking structure, and a connecting structure. The connecting structure is used to connect multiple heat exchange plates, and the docking structure is used to connect with a liquid pipeline. A discharge frame is installed on the top of the recovery top, and a monitoring component is installed on the top of the discharge frame through a monitoring frame. A filter assembly is installed on the back of the heat recovery frame. An exhaust pipe is installed on the top of the filter assembly. An air intake assembly is installed on the back of the heat recovery frame. The air intake assembly has a fixed pipe installed at its inlet and an injection head installed at its outlet through an exhaust pipe. An air inlet pipe is installed at the other inlet of the injection head, and a purification assembly is installed at the outlet of the injection head through a connecting pipe. The side panels can be opened or closed as needed. The recovery top is triangular, with the connecting and docking structures located at the top. The connecting structure and the heat exchange fins are connected to facilitate liquid flow. Hot air can be used to heat the liquid inside the heat exchange fins. The monitoring component can monitor the temperature of the hot air, thereby controlling the air intake in conjunction with the solenoid valve on the air inlet pipe to balance the temperature of the heating air. The two sides of the heat recovery frame are open and covered by the side panels.
[0008] Preferably, a control box is mounted on the front of the heat recovery frame via a fixing bracket, and a door is rotatably connected to the front of the control box; The control box is equipped with a lock on the door, and the inside of the control box contains a power switch and a controller for controlling the operation of the equipment.
[0009] Preferably, the adjusting bracket includes a base plate, an adjusting structure, and a mounting structure, wherein the mounting structure is used to mount the adjusting structure on the bottom of the base plate; The adjustment structure and the installation structure are connected by threads.
[0010] Preferably, the filter assembly includes a filter box, an interceptor component, a drain pipe, and a valve. The filter box is used to install the interceptor component for filtering dust, and one end of the drain pipe is connected to the bottom end of the interceptor component. The interceptor is conical, and the drain pipe runs through the filter box.
[0011] Preferably, the air intake assembly includes a protective shell and an air intake component, the protective shell being used to mount the air intake component that provides suction on the back of the heat recovery frame; The induced draft component can be an induced draft fan that transports high-temperature gas.
[0012] Preferably, the purification assembly includes a purification tube, a purification component, and a sealing structure. The sealing structure is used to seal one end of the purification tube, and the purification component is used to filter fine dust and odors.
[0013] Compared with related technologies, the waste heat recovery and utilization system for heat-resistant steel casting provided by this utility model has the following beneficial effects: This utility model provides a waste heat recovery and utilization system for heat-resistant steel casting. To improve the waste heat recovery and utilization rate of heat-resistant steel casting, a recovery top is installed on the top of the heat energy recovery frame, and then two heat exchange structures are installed inside the recovery top. High-temperature gas heats the liquid inside the heat exchange structure, while simultaneously cooling the hot gas for later utilization. Simultaneously, an exhaust pipe connects the exhaust frame and filter assembly to filter the initially cooled hot gas. The gas is then injected into the corresponding area through an air intake assembly to assist in heating. If office heating is required, the opening angle of the solenoid valve at one end of the air inlet pipe can be opened to allow external air to enter the injection head according to the required amount, mixing the external air with the hot gas and achieving a secondary cooling to a suitable heating temperature. The gas is then purified by a purification assembly before being delivered to the corresponding location for heating. This design recovers and reuses waste heat from heat-resistant steel casting on both sides, improving the waste heat recovery and utilization rate. Increasing the gas flow rate also assists in heat dissipation from the heat-resistant steel casting, further improving cooling efficiency. Attached Figure Description
[0014] Figure 1 A schematic diagram of a preferred embodiment of the waste heat recovery and utilization system for heat-resistant steel casting provided by this utility model; Figure 2 A schematic diagram of the filter assembly is provided for this utility model; Figure 3 A schematic diagram of the heat exchanger plate is provided for this utility model; Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 A schematic diagram of the structure of the filter component provided for this utility model.
[0015] The diagram is labeled as follows: 1. Adjusting bracket; 101. Base plate; 102. Adjusting structure; 103. Installation structure; 2. Fixing frame; 3. Recovery top; 4. Side plate; 5. Discharge frame; 6. Monitoring frame; 7. Exhaust pipe; 8. Monitoring component; 9. Heat exchange structure; 901. Heat exchange plate; 902. Docking structure; 903. Connection structure; 10. Control box; 11. Box door; 12. Heat recovery frame; 13. Purification component; 131. Purification pipe; 132. Purification component; 133. Sealing structure; 14. Docking pipe; 15. Injection head; 16. Fixing pipe; 17. Exhaust fan assembly; 171. Protective shell; 172. Exhaust fan component; 18. Discharge pipe; 19. Filter assembly; 191. Interception component; 192. Sewage pipe; 193. Valve; 194. Filter box; 20. Air inlet pipe. Detailed Implementation
[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0017] Please refer to the following: Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 ,in, Figure 1 A schematic diagram of a preferred embodiment of the waste heat recovery and utilization system for heat-resistant steel casting provided by this utility model; Figure 2 A schematic diagram of the filter assembly is provided for this utility model; Figure 3 A schematic diagram of the heat exchanger plate is provided for this utility model; Figure 4 Provided for this utility model Figure 3 An enlarged view of point A shown; Figure 5 A structural schematic diagram of the filter component is provided for this utility model. The heat-resistant steel casting waste heat recovery system includes: an adjusting bracket 1; A heat recovery frame 12 is installed on the top of the adjusting bracket 1. Side plates 4 are rotatably connected to both sides of the heat recovery frame 12. A recovery top 3 is installed on the top of the heat recovery frame 12. Two heat exchange structures 9 are installed inside the recovery top 3. Each heat exchange structure 9 includes heat exchange plates 901, a docking structure 902, and a connecting structure 903. The connecting structure 903 is used to connect multiple heat exchange plates 901. The docking structure 902 is used to dock with a liquid pipeline. A discharge frame 5 is installed on the top of the recovery top 3. A monitoring component 8 is installed on the top of the discharge frame 5 through a monitoring frame 6. A filter assembly 19 is installed on the back of the heat recovery frame 12. An exhaust pipe 7 is installed on the top of the filter assembly 19. An air intake assembly 17 is installed on the back of the heat recovery frame 12. A fixed pipe 16 is installed at the inlet of the air intake assembly 17. An injection head 15 is installed at the outlet of the air intake assembly 17 through an exhaust pipe 18. An air inlet pipe 20 is installed at the other inlet of the injection head 15. A purification assembly 13 is installed at the outlet of the injection head 15 through a connecting pipe 14. The side plate 4 can be opened or closed as needed. The recovery top 3 is triangular. The connecting structure 903 and the docking structure 902 are located on the top of the recovery top 3. The connecting structure 903 and the heat exchange plate 901 are connected to facilitate liquid flow. The hot air can heat up the liquid inside the heat exchange plate 901. The monitoring component 8 can monitor the temperature of the hot air, thereby cooperating with the solenoid valve on the air inlet pipe 20 to control the air intake and balance the temperature of the heating hot air. The two sides of the heat recovery frame 12 are open and covered by the side plate 4. The other end of the air inlet pipe 20 is equipped with a solenoid valve. The other end of the fixing pipe 16 is connected to the bottom of the filter assembly 19, and the other end of the exhaust pipe 7 is connected to the top of the monitoring frame 6.
[0018] The control box 10 is mounted on the front of the heat recovery frame 12 via a fixing frame 2, and the control box 10 is rotatably connected to a door 11 on the front. The door 11 is equipped with a lock, and the control box 10 contains a power switch and a controller for controlling the operation of the equipment.
[0019] The adjustment bracket 1 includes a base plate 101, an adjustment structure 102, and a mounting structure 103. The mounting structure 103 is used to mount the adjustment structure 102 on the bottom of the base plate 101. The adjusting structure 102 and the mounting structure 103 are threaded together and used to adjust the stability of the base plate 101.
[0020] The filter assembly 19 includes a filter box 194, an interceptor 191, a drain pipe 192, and a valve 193. The filter box 194 is used to install the interceptor 191 for filtering dust, and one end of the drain pipe 192 is connected to the bottom end of the interceptor 191. The interceptor 191 is conical, the drain pipe 192 passes through the filter box 194, and the valve 193 is located at the other end of the drain pipe 192.
[0021] The air intake assembly 17 includes a protective shell 171 and an air intake component 172. The protective shell 171 is used to mount the air intake component 172, which provides suction, on the back of the heat recovery frame 12. The induced draft component 172 can be an induced draft fan for conveying high-temperature gas.
[0022] The purification assembly 13 includes a purification tube 131, a purification component 132, and a sealing structure 133. The sealing structure 133 is used to seal one end of the purification tube 131, and the purification component 132 is used to filter fine dust and odors. The other end of the sealing structure 133 is provided with a pipe and a heating pipe connection.
[0023] The working principle of the waste heat recovery and utilization system for heat-resistant steel casting provided by this utility model is as follows: A recovery top 3 is installed on the top of the heat recovery frame 12 to form a sealed space. The heat-resistant steel casting can then be placed inside the heat recovery frame 12 for cooling and waste heat recovery. Two heat exchange structures 9 are then installed inside the recovery top 3, allowing the high-temperature gas to heat the liquid inside the heat exchange structure 9 and simultaneously cool the hot gas for later utilization. The exhaust frame 5 and the filter assembly 19 are connected through the exhaust pipe 7 to filter the initially cooled hot gas. The gas is then injected into the corresponding area through the induced draft assembly 17 to assist in heating. If heating is required for the office, the opening angle of the solenoid valve at one end of the air inlet pipe 20 can be opened to allow the outside air to enter the injection head 15 according to the required amount, mixing the outside air with the hot gas and cooling it a second time to reach a temperature suitable for heating. The gas is then purified by the purification assembly 13 before being delivered to the corresponding location for heating.
[0024] Compared with related technologies, the waste heat recovery and utilization system for heat-resistant steel casting provided by this utility model has the following beneficial effects: To improve the utilization rate of waste heat from heat-resistant steel casting, a recovery top 3 is installed on the top of the heat recovery frame 12. Two heat exchange structures 9 are then installed inside the recovery top 3, allowing high-temperature gas to heat the liquid inside the heat exchange structures 9 while simultaneously cooling the hot gas for later utilization. The exhaust frame 5 and filter assembly 19 are connected via the exhaust pipe 7 to filter the initially cooled hot gas. The gas is then injected into the corresponding area via the induced draft assembly 17 to assist in heating. If office heating is required, the opening angle of the solenoid valve at one end of the air inlet pipe 20 can be opened to allow external air to enter the injection head 15 according to the required amount, mixing the external air with the hot gas and achieving a secondary cooling temperature suitable for heating. The gas is then purified by the purification assembly 13 before being delivered to the corresponding location for heating. This design recovers and reuses waste heat from heat-resistant steel casting on both sides, improving the waste heat recovery rate. Simultaneously, increasing the gas flow rate assists in heat dissipation from the heat-resistant steel casting, which is beneficial for improving cooling efficiency.
[0025] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.
Claims
1. A waste heat recovery and utilization system for heat-resistant steel casting, characterized in that, include: Adjust the bracket; A heat recovery frame is installed on top of an adjusting bracket. Side plates are rotatably connected to both sides of the heat recovery frame. A recovery top is installed on the top of the heat recovery frame. Two heat exchange structures are installed inside the recovery top. Each heat exchange structure includes heat exchange plates, a docking structure, and a connecting structure. The connecting structure is used to connect multiple heat exchange plates, and the docking structure is used to connect with a liquid pipeline. A discharge frame is installed on the top of the recovery top, and a monitoring component is installed on the top of the discharge frame through a monitoring frame. A filter assembly is installed on the back of the heat recovery frame. An exhaust pipe is installed on the top of the filter assembly. An air intake assembly is installed on the back of the heat recovery frame. The air intake assembly has a fixed pipe installed at its inlet and an injection head installed at its outlet through an exhaust pipe. An air inlet pipe is installed at the other inlet of the injection head, and a purification assembly is installed at the outlet of the injection head through a connecting pipe.
2. The waste heat recovery and utilization system for heat-resistant steel casting according to claim 1, characterized in that, A control box is mounted on the front of the heat recovery frame via a fixing bracket, and a door is rotatably connected to the front of the control box.
3. The waste heat recovery and utilization system for heat-resistant steel casting according to claim 1, characterized in that, The adjustment bracket includes a base plate, an adjustment structure, and a mounting structure, wherein the mounting structure is used to install the adjustment structure on the bottom of the base plate.
4. The waste heat recovery and utilization system for heat-resistant steel casting according to claim 1, characterized in that, The filter assembly includes a filter box, an interceptor component, a drain pipe, and a valve. The filter box is used to install the interceptor component for filtering dust, and one end of the drain pipe is connected to the bottom end of the interceptor component.
5. The waste heat recovery and utilization system for heat-resistant steel casting according to claim 1, characterized in that, The air intake assembly includes a protective shell and an air intake component, the protective shell being used to mount the air intake component that provides suction on the back of the heat recovery frame.
6. The waste heat recovery system for heat-resistant steel casting according to claim 1, characterized in that, The purification assembly includes a purification tube, a purification component, and a sealing structure. The sealing structure is used to seal one end of the purification tube, and the purification component is used to filter fine dust and odors.