Tail gas waste heat recycling device of silicon steel heat treatment furnace

Abstract

The utility model provides a silicon steel heat treatment furnace tail gas waste heat recycling device, which relates to the technical field of waste heat recycling and comprises a heat exchange water tank, a filter tank is fixedly mounted on the top surface of the heat exchange water tank, one side of the filter tank is communicated with a gas inlet pipe, and the other side of the filter tank is communicated with a passing pipe. Heat storage fins are fixedly installed on the inner wall of the heat exchange water tank, inserting grooves are formed in the surface of the filter tank, and sealing strips are fixedly installed on the inner walls of the inserting grooves. The waste heat recovery device can effectively recover waste heat of tail gas of the silicon steel heat treatment furnace, reutilization of the waste heat of the tail gas is achieved by heating water sources in the heat storage fins and the heat exchange water tank, energy utilization efficiency is improved, energy consumption and cost can be reduced, meanwhile, the arranged filter screen can purify the tail gas passing through the filter tank, and the waste heat recovery device has the advantages of being energy-saving and environment-friendly. And dust particles are effectively removed, so that subsequent equipment can be protected from being damaged by the dust particles, and the service life of the equipment is prolonged.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recycling, in particular to a device for recycling waste heat from tail gas of a silicon steel heat treatment furnace. Background Art

[0002] The silicon steel heat treatment furnace tail gas waste heat recycling device is used to recover the waste heat in the silicon steel heat treatment furnace tail gas and convert it into usable heat energy. Through this device, the factory can effectively utilize the heat energy that would otherwise be wasted, thereby improving energy efficiency, reducing energy costs, and reducing the impact on the environment.

[0003] Publication No. CN218097356U discloses an industrial tail gas waste heat recycling device, including a heat exchange water tank, one end of the heat exchange water tank is fixedly connected to a water inlet pipe, the other end of the heat exchange water tank is fixedly connected to a water outlet pipe and an air outlet pipe, a heat exchange component is arranged inside the heat exchange water tank, a filter box and an air inlet cylinder are fixedly connected to the top of the heat exchange water tank, one end of the filter box is fixedly connected to an air inlet pipe, three filter frames are slidably connected inside the filter box, the filter box and the air inlet cylinder are fixedly connected through a pipeline, the air inlet cylinder is fixedly connected to an air supercharger at one end away from the filter box, the inner wall of the air inlet cylinder is fixedly connected to a heat preservation layer, and a temperature sensor is fixedly connected inside the heat exchange water tank. Although this waste heat recycling device has high heat recovery efficiency, it is convenient to control the exhaust gas heat exchange flow rate according to usage requirements. However, when the filter of this waste heat recycling device is clogged, the equipment often needs to be shut down for maintenance or filter replacement. This process is not only time-consuming, but also affects the continuity and efficiency of exhaust gas treatment. At the same time, frequent filter replacement also increases the difficulty of operation and maintenance costs, and reduces the usability and reliability of the equipment. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of the utility model is to solve the technical problems raised in the above background technology.

[0005] The utility model adopts the following technical scheme: a device for recycling waste heat from tail gas of a silicon steel heat treatment furnace, comprising a heat exchange water tank, a filter box is fixedly installed on the top surface of the heat exchange water tank, one side of the filter box is connected to an air intake pipe, and the other side of the filter box is connected to a through pipe, a heat storage fin is fixedly installed on the inner wall of the heat exchange water tank, a slot is provided on the surface of the filter box, a sealing strip is fixedly installed on the inner wall of the slot, a mounting frame is slidably connected to the inner wall of the slot, a filter screen is fixedly installed on the side of the mounting frame, an ash groove is provided on the inner side of the mounting frame, a connecting block is fixedly installed on the surface of the mounting frame, a side block is fixedly installed on the side of the filter box, and a threaded rod is rotatably connected to the surface of the connecting block.

[0006] Preferably, the side block is provided with threads inside, and the threads are engaged with the threaded rod.

[0007] Preferably, a handle is fixedly mounted on one end of the threaded rod, and the handle is made of PP plastic. Here, the threaded rod can be easily rotated.

[0008] Preferably, the bottom surface of the water exchange tank is fixedly mounted with support legs, and the support legs are symmetrically distributed on the bottom surface of the water exchange tank. Here, the water exchange tank can be stably supported.

[0009] Preferably, the slot and the mounting frame are both "L"-shaped structures.

[0010] Preferably, the surface of the water exchange tank is provided with an observation mechanism, the observation mechanism includes an observation window, the observation window is fixedly mounted on the surface of the water exchange tank, the surface of the observation window is rotatably connected to a rotating rod, the surface of the rotating rod is fixedly mounted with a vertical plate, and the back of the vertical plate is fixedly mounted with a friction strip. Here, the situation can be observed conveniently.

[0011] Preferably, the friction strip fits the observation window and is made of sponge, thereby improving the cleaning effect of the friction strip.

[0012] Compared with the prior art, the advantages and positive effects of the utility model are:

[0013] 1. The utility model can effectively recover the waste heat of the tail gas of the silicon steel heat treatment furnace, and realizes the reuse of the waste heat of the tail gas by heating the heat storage fins and the water source in the heat exchange water tank, which not only improves the energy utilization efficiency, but also helps to reduce energy consumption and costs. At the same time, the filter screen provided can purify the tail gas passing through the filter box and effectively remove dust particles, which can not only protect the subsequent equipment from damage by dust particles and extend the service life of the equipment, but also help to reduce environmental pollution. By rotating the threaded rod, different filter screens can be quickly switched. After the filter screen is blocked, it can be quickly switched to the next group of filter screens, thereby ensuring the continuity and efficiency of the tail gas treatment, and improving the reliability and ease of use of the equipment. The ash trough provided can collect the fallen dust particles for centralized treatment and disposal.

[0014] 2. The observation window provided in the utility model allows the staff to monitor the status of the tubes and heat storage fins in real time. This visual design enables the staff to discover any abnormal conditions or potential problems in time, so that they can quickly perform maintenance operations to ensure the normal operation of the equipment. Real-time monitoring through the observation window can reduce unnecessary downtime for inspection and improve the operating efficiency of the equipment. At the same time, timely discovery and handling of potential problems also help to improve the safety of equipment operation. By rotating the rotating rod, the vertical plate and the friction strip can be driven to rotate, and the surface of the observation window can be rubbed and cleaned, which not only keeps the observation window clean and ensures the clarity of observation, but also reduces the frequency and difficulty of manual cleaning, and is highly practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of a device for recycling waste heat from tail gas in a silicon steel heat treatment furnace is provided for the utility model;

[0016] Figure 2 A top view of a device for recycling waste heat from tail gas in a silicon steel heat treatment furnace is provided for the utility model;

[0017] Figure 3 The utility model proposes an explosion diagram of a device for recycling waste heat from tail gas of a silicon steel heat treatment furnace;

[0018] Figure 4 The utility model provides a side view of a device for recycling waste heat from tail gas of a silicon steel heat treatment furnace;

[0019] Figure 5 The utility model proposes a device for recycling waste heat from tail gas of silicon steel heat treatment furnace Figure 4 Enlarged view of point A in the middle;

[0020] Figure 6 The utility model provides a cross-sectional view of a device for recycling waste heat from tail gas of a silicon steel heat treatment furnace.

[0021] Legend:

[0022] 1. Heat exchange water tank; 2. Filter box; 3. Inlet pipe; 4. Through pipe; 5. Heat storage fins; 6. Slots; 7. Sealing strips; 8. Mounting frame; 9. Filter screen; 10. Ash trough; 11. Connecting block; 12. Side block; 13. Threaded rod; 14. Turn handle; 15. Support foot; 16. Observation window; 17. Turn rod; 18. Vertical plate; 19. Friction strip. DETAILED DESCRIPTION

[0023] In order to more clearly understand the above-mentioned purpose, features and advantages of the utility model, the utility model is further described below in conjunction with the accompanying drawings and embodiments. It should be noted that the embodiments of the present application and the features in the embodiments can be combined with each other without conflict.

[0024] In the following description, many specific details are set forth to facilitate a full understanding of the present invention. However, the present invention may also be implemented in other ways than those described herein. Therefore, the present invention is not limited to the specific embodiments of the following disclosure.

[0025] Embodiment 1

[0026] See also Figure 1-6The utility model provides a technical solution: a device for recycling waste heat from tail gas of a silicon steel heat treatment furnace, comprising a heat exchange water tank 1, a support foot 15 is fixedly installed on the bottom surface of the heat exchange water tank 1, and the support foot 15 is made of a solid carbon steel material and is firmly connected to the bottom of the heat exchange water tank 1 by welding to provide stable support. The support feet 15 are symmetrically distributed on the bottom surface of the heat exchange water tank 1 to ensure the balance of the entire device. A filter box 2 is fixedly installed on the top surface of the heat exchange water tank 1, and the two are connected by a flange to ensure sealing and easy disassembly and maintenance. One side of the filter box 2 is connected to an intake pipe 3, and the intake pipe 3 is tightly connected to the filter box 2 by a flange to ensure that the exhaust gas can smoothly enter the filtration system. The other side of the filter box 2 is connected to a through pipe 4, which is also connected by a flange to ensure that the exhaust gas can be discharged smoothly after treatment. The inner wall of the water exchange tank 1 is fixedly installed with heat storage fins 5. The heat storage fins 5 are made of aluminum alloy with high thermal conductivity and are fixed to the inner wall of the water exchange tank 1 by brazing or screws to effectively transfer the waste heat of the exhaust gas to the water in the water exchange tank 1. A slot 6 is provided on the surface of the filter box 2. A sealing strip 7 is fixedly installed on the inner wall of the slot 6. The sealing strip 7 is made of high-temperature resistant silicone material and is firmly adhered to the inner wall of the slot 6 by an adhesive to ensure the sealing between the mounting frame 8 and the slot 6. The inner wall of the slot 6 is slidably connected with the mounting frame 8. Both the slot 6 and the mounting frame 8 are "L"-shaped structures. This design facilitates the sliding of the mounting frame 8 in the slot 6. A filter screen 9 is fixedly installed on the side of the mounting frame 8. The filter screen 9 is made of stainless steel wire mesh and can effectively intercept dust particles in the exhaust gas.

[0027] See also Figure 1-6 , an ash trough 10 is provided on the inner side of the mounting frame 8 to collect dust particles falling from the filter screen 9. A connecting block 11 is fixedly installed on the surface of the mounting frame 8, and the connecting block 11 is fixed to the mounting frame 8 by welding or screws to ensure its structural stability. A side block 12 is fixedly installed on the side of the filter box 2, and a threaded hole is processed inside the side block 12 to cooperate with the threaded rod 13. The surface of the connecting block 11 is rotatably connected to the threaded rod 13, and a turning handle 14 is fixedly installed at one end of the threaded rod 13. The material of the turning handle 14 is PP plastic, which is light and durable, and is easy for staff to operate. A thread is provided inside the side block 12, and the thread is meshed with the threaded rod 13. By turning the turning handle 14, the threaded rod 13 can be driven to rotate in the side block 12, thereby pushing the connecting block 11 and the mounting frame 8 to slide in the slot 6, thereby realizing the rapid switching of the filter screen 9.

[0028] Embodiment 2

[0029] See also Figure 4-5The surface of the water exchange tank 1 is provided with an observation mechanism, which includes an observation window 16, which is fixedly mounted on the surface of the water exchange tank 1 by bolts or welding. In order to facilitate cleaning of the observation window 16, a rotating rod 17 is rotatably connected to the surface of the observation window 16 through a bearing. A vertical plate 18 is fixedly mounted on the surface of the rotating rod 17 by screws or welding, and a friction strip 19 is fixedly mounted on the back of the vertical plate 18 by strong glue or screws. The friction strip 19 fits tightly on the observation window 16, and its material is a soft sponge with good cleaning effect.

[0030] Working principle: the exhaust gas enters through the intake pipe 3, and then enters the through pipe 4 through the filter box 2. At this time, the exhaust gas in the through pipe 4 can heat the heat storage fins 5, thereby heating the water source in the heat exchange water tank 1, thereby realizing the reuse of the waste heat of the exhaust gas. At the same time, the exhaust gas passing through the filter box 2 can be purified by the set filter screen 9, thereby removing dust particles and increasing the service life of the through pipe 4. At the same time, the staff can rotate the threaded rod 13 through the handle 14. At this time, since the side block 12 is provided with a thread, the threaded rod 13 can move in the side block 12 at this time, and the threaded rod 13 can then drive the connecting block 11 to move, and the connecting block 11 can then drive the mounting frame 8 to slide in the slot 6, so that different filter screens can be switched. 9. After the filter screen 9 is blocked, it can quickly switch to the next group of filter screens 9. At the same time, the ash trough 10 can also collect the fallen dust particles, and the sealing strip 7 can ensure the sealing between the mounting frame 8 and the slot 6. The utility model can effectively recover the waste heat of the tail gas of the silicon steel heat treatment furnace, and realizes the reuse of the waste heat of the tail gas by heating the heat storage fins 5 and the water source in the heat exchange water tank 1, which not only improves the energy utilization efficiency, but also helps to reduce energy consumption and costs. At the same time, the filter screen 9 can purify the tail gas passing through the filter box 2 and effectively remove dust particles. This can not only protect subsequent equipment from damage by dust particles and extend the service life of the equipment, but also help to reduce environmental pollution, and through By rotating the threaded rod 13, different filter screens 9 can be quickly switched. When the filter screen 9 is blocked, it can be quickly switched to the next group of filter screens 9, thereby ensuring the continuity and efficiency of exhaust gas treatment and improving the reliability and usability of the equipment. The ash trough 10 can collect the fallen dust particles, which is convenient for centralized treatment and disposal. The status of the through tube 4 and the heat storage fins 5 can be observed through the observation window 16, thereby facilitating timely maintenance operations. At the same time, the staff can twist the rotating rod 17, and the rotating rod 17 can then drive the vertical plate 18 to rotate, and the vertical plate 18 can then drive the friction strip 19 to rotate. At this time, the friction strip 19 can rub and clean the surface of the observation window 16, thereby ensuring the cleanliness of the surface of the observation window 16. The observation window 16 of the type allows the staff to monitor the status of the tube 4 and the heat storage fin 5 in real time. This visual design enables the staff to discover any abnormal situation or potential problem in time, so that they can quickly perform maintenance operations to ensure the normal operation of the equipment. Real-time monitoring through the observation window 16 can reduce unnecessary downtime for inspection and improve the operating efficiency of the equipment. At the same time, timely discovery and handling of potential problems also help to improve the safety of equipment operation. By rotating the rotating rod 17, the vertical plate 18 and the friction strip 19 can be driven to rotate, and the surface of the observation window 16 can be rubbed and cleaned, which not only keeps the observation window 16 clean and ensures the clarity of observation, but also reduces the frequency and difficulty of manual cleaning.

[0031] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.

Claims

1. A device for recycling waste heat from tail gas of a silicon steel heat treatment furnace, comprising a heat exchange water tank (1), characterized in that: A filter box (2) is fixedly mounted on the top surface of the heat exchange tank (1); one side of the filter box (2) is connected to an air intake pipe (3); the other side of the filter box (2) is connected to a through pipe (4); a heat storage fin (5) is fixedly mounted on the inner wall of the heat exchange tank (1); a slot (6) is provided on the surface of the filter box (2); a sealing strip (7) is fixedly mounted on the inner wall of the slot (6); a mounting frame (8) is slidably connected to the inner wall of the slot (6); a filter screen (9) is fixedly mounted on the side of the mounting frame (8); an ash groove (10) is provided on the inner side of the mounting frame (8); a connecting block (11) is fixedly mounted on the surface of the mounting frame (8); a side block (12) is fixedly mounted on the side of the filter box (2); and a threaded rod (13) is rotatably connected to the surface of the connecting block (11).

2. The device for recycling waste heat from tail gas of silicon steel heat treatment furnace according to claim 1, characterized in that: The side block (12) is provided with a thread inside, and the thread is meshed with the threaded rod (13).

3. The device for recycling waste heat from tail gas of silicon steel heat treatment furnace according to claim 1, characterized in that: A turning handle (14) is fixedly mounted on one end of the threaded rod (13), and the turning handle (14) is made of PP plastic.

4. The device for recycling waste heat from tail gas of silicon steel heat treatment furnace according to claim 1, characterized in that: Support legs (15) are fixedly mounted on the bottom surface of the water exchange tank (1), and the support legs (15) are symmetrically distributed on the bottom surface of the water exchange tank (1).

5. The device for recycling waste heat from tail gas of silicon steel heat treatment furnace according to claim 1, characterized in that: The slot (6) and the mounting frame (8) are both L-shaped structures.

6. The device for recycling waste heat from tail gas of silicon steel heat treatment furnace according to claim 1, characterized in that: The surface of the water exchange tank (1) is provided with an observation mechanism, the observation mechanism comprising an observation window (16), the observation window (16) being fixedly mounted on the surface of the water exchange tank (1), the surface of the observation window (16) being rotatably connected to a rotating rod (17), the surface of the rotating rod (17) being fixedly mounted with a vertical plate (18), and the back of the vertical plate (18) being fixedly mounted with a friction strip (19).

7. The device for recycling waste heat from tail gas of silicon steel heat treatment furnace according to claim 6, characterized in that: The friction strip (19) is fitted with the observation window (16), and the material of the friction strip (19) is sponge.

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