Reformed flue gas recovery device for silicon water refining flue

Abstract

The utility model discloses a device for recovering flue gas by transforming a silicon water refining flue, which relates to the technical field of silicon water refining and comprises a first main flue, one side of the first main flue is fixedly communicated with a first horn mouth, and one end, far away from the first main flue, of the first horn mouth is fixedly communicated with a first circular pipe. The end, away from the first horn mouth, of the first circular pipe fixedly communicates with a second horn mouth, the end, away from the first circular pipe, of the second horn mouth fixedly communicates with a second main flue, and the outer surface of the second main flue is fixedly connected with a first fixing frame. According to the improved flue gas recovery device, through cooperative use of the first main flue, the first circular pipe, the second horn mouth and the second main flue, energy consumption can be reduced, wind resistance of the circular pipe is small, energy loss of flue gas in the conveying process can be reduced, accordingly, energy consumption of a smoke exhaust system is reduced, the energy utilization efficiency is further improved, and in addition, energy is saved. The effective space occupied by the circular pipeline is relatively small, and the circular pipeline is easy to arrange and install.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silicon water refining, specifically to a silicon water refining flue reconstruction flue gas recovery device. BACKGROUND

[0002] Industrial silicon is made of silicon ore containing silicon dioxide and carbonaceous reducing agent as raw material, and is made by smelting in a submerged arc furnace. The product contains more than 98% silicon. Industrial silicon is the most basic functional material in information technology, photovoltaic power generation and new material industry, and is the upstream product in the silicon product industry chain.

[0003] The existing flue system has large resistance, which leads to unstable pressure in the furnace, poor flue gas recovery effect, and affects the chemical reaction in the electric furnace refining process, thereby reducing production efficiency. The use of segmented circular steel pipes can reduce air resistance and avoid dust accumulation at the corners of the square flue. Therefore, the silicon water refining flue reconstruction flue gas recovery device is provided to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a silicon water refining flue reconstruction flue gas recovery device to solve the problems in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a silicon water refining flue reconstruction flue gas recovery device, comprising a first main flue, a first horn mouth is fixedly connected on one side of the first main flue, a first circular pipe is fixedly connected at one end of the first horn mouth away from the first main flue, a second horn mouth is fixedly connected at one end of the first circular pipe away from the first horn mouth, a second main flue is fixedly connected at one end of the second horn mouth away from the first circular pipe, a first fixed frame is fixedly connected to the outer surface of the second main flue, and a first fixed plate is fixedly connected to the upper surface of the first fixed frame.

[0006] Preferably, a partition plate is fixedly connected inside the second main flue, and a second circular pipe is fixedly connected to the inner side of the second main flue. The partition plate can partition the second main flue to significantly improve the fluid efficiency.

[0007] Preferably, a third horn mouth is fixedly connected at one end of the second circular pipe away from the second main flue, and a new flue is fixedly connected at one end of the third horn mouth away from the second circular pipe. The third horn mouth can prevent gas from escaping and has sealing property.

[0008] Preferably, a third fixed frame is fixedly connected to the outer surface of the new flue, and a fourth fixed plate is fixedly connected to the upper surface of the third fixed frame. The third fixed frame can fix the new flue to prevent loosening during use.

[0009] Preferably, the outer surface of the first main flue is fixedly connected with a second fixed frame, and the outer surface of the second fixed frame is fixedly connected with a third fixed plate, so that the first main flue can be fixed through the second fixed frame to prevent loosening during use.

[0010] Preferably, the outer surface of the first circular pipe is fixedly connected with a support plate, and the inner wall of the support plate is slidably connected with a connecting rod, so that the first circular pipe can be fixed through the connecting rod and the support plate to prevent shaking during long-term use.

[0011] Preferably, the lower end of the connecting rod is threadedly connected with a nut, and the upper end of the connecting rod is fixedly connected with a second fixed plate, so that the support plate can be fixed through the nut to play a limiting role.

[0012] Compared with the prior art, the present application has the following beneficial effects:

[0013] 1. The application reconstructs the flue gas recycling device by cooperation of the first main flue, the first horn, the first circular pipe, the second horn and the second main flue, which helps to reduce energy consumption, the wind resistance of the circular pipe is smaller, the energy loss of flue gas in the conveying process can be reduced, thereby reducing the energy consumption of the exhaust system and further improving the energy utilization efficiency, in addition, the effective space occupied by the circular pipe is relatively small and easy to arrange and install.

[0014] 2. The application reconstructs the flue gas recycling device, by cutting off the original square flue and replacing it with a circular pipe flue, the fluid efficiency can be significantly improved, the circular pipe flue performs well in structural stability, the circular cross section has stronger pressure resistance and better sealing performance, which can effectively resist external pressure and internal flue gas impact, and ensure long-term stable operation of the flue system. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole three-dimensional structure schematic view of the utility model;

[0016] Figure 2 It is a first circular pipe three-dimensional structure schematic view of the utility model;

[0017] Figure 3 It is a new flue three-dimensional structure schematic view of the utility model;

[0018] Figure 4 It is a connecting rod three-dimensional structure schematic view of the utility model.

[0019] The following are the labels in the diagram: 1. First main flue; 2. First flared opening; 3. First circular pipe; 4. Second flared opening; 5. Second main flue; 6. First fixing frame; 7. First fixing plate; 8. Support plate; 9. Connecting rod; 10. Second fixing plate; 11. Nut; 12. Second fixing frame; 13. Third fixing plate; 14. Partition plate; 15. Second circular pipe; 16. Third flared opening; 17. New flue; 18. Third fixing frame; 19. Fourth fixing plate. Detailed Implementation

[0020] 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 of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] like Figure 2 As shown, this utility model provides a technical solution for a device for modifying and recovering flue gas from a silicon water refining flue, including a first main flue 1. A second fixing frame 12 is fixedly connected to the outer surface of the first main flue 1, and a third fixing plate 13 is fixedly connected to the outer surface of the second fixing frame 12. The second fixing frame 12 is installed on the first main flue 1 to fix the second fixing frame 12 and prevent it from shaking during use, which could cause gaps at the connection. The third fixing plate 13 is installed on the second fixing frame 12 and can fix the first main flue 1 to the wall, thus providing a fixing function.

[0022] like Figure 4 As shown, a first flared opening 2 is fixedly connected to one side of the first main flue 1. A first circular pipe 3 is fixedly connected to the end of the first flared opening 2 away from the first main flue 1. A support plate 8 is fixedly connected to the outer surface of the first circular pipe 3. A connecting rod 9 is slidably connected to the inner wall of the support plate 8. The support plate 8 can support the first circular pipe 3 to prevent it from falling off or gaps appearing at the connection during long-term use. The connecting rod 9 is installed on the support plate 8 and can fix the support plate 8. A nut 11 is threadedly connected to the lower end of the connecting rod 9. A second fixing plate 10 is fixedly connected to the upper end of the connecting rod 9. The connecting rods 9 on both sides are installed on the second fixing plate 10. The second fixing plate 10 can be fixed to the wall by bolts. The nuts 11 can restrict the support plate 8 to prevent it from falling off.

[0023] like Figure 3As shown, the first circular pipe 3 is fixedly connected with the second trumpet 4 away from one end of the first trumpet 2, the second trumpet 4 is fixedly connected with the second main flue 5 away from one end of the first circular pipe 3, the second main flue 5 is fixedly connected with the partition plate 14 inside, the second main flue 5 is fixedly connected with the second circular pipe 15 inside, the partition plate 14 is installed inside the second main flue 5, which can reduce the risk of blocking of subsequent treatment equipment, improve the processing efficiency, the second circular pipe 15 is installed on the second main flue 5, through technical transformation, the circular cross section optimizes the airflow, improves the maintainability and reduces the energy consumption, the second circular pipe 15 is fixedly connected with the third trumpet 16 away from one end of the second main flue 5, the third trumpet 16 is fixedly connected with the new flue 17 away from one end of the second circular pipe 15, the second circular pipe 15 is installed on the third trumpet 16, the gas enters the third trumpet 16 through the second circular pipe 15 for circulation, and the third trumpet 16 is installed on the new flue 17, which can significantly improve the fluid efficiency.

[0024] As shown in the figure, Figure 1 The outer surface of the new flue 17 is fixedly connected with the third fixed frame 18, the upper surface of the third fixed frame 18 is fixedly connected with the fourth fixed plate 19, the third fixed frame 18 is installed on the new flue 17, which can fix the new flue 17 and prevent the new flue 17 from loosening after long-term use, causing cracks at the joints, the fourth fixed plate 19 is installed on the third fixed frame 18, which can fix the new flue 17 on the wall surface, the outer surface of the second main flue 5 is fixedly connected with the first fixed frame 6, the upper surface of the first fixed frame 6 is fixedly connected with the first fixed plate 7, the first trumpet 2 is installed on the first main flue 1, which can make the gas flow through the first trumpet 2 into the first circular pipe 3 for circulation, the first circular pipe 3 is installed on the first trumpet 2, the circular pipe has shorter circumference and larger radius than the square pipe under the same cross-sectional area, which reduces the flow resistance, improves the conveying efficiency of the flue gas, increases the smoke hood, and improves the collection and discharge effect of the flue gas, while also protecting the flue system from the external environment.

[0025] The working principle is that when the second main flue 5 is cut off by the partition plate 14, the gas enters the first circular pipe 3 through the first bell mouth 2, and under the action of the first circular pipe 3, the ash deposition at the corner can be avoided, the flow efficiency of the flue gas can be improved, the risk of blockage during subsequent treatment can be reduced, the treatment efficiency can be improved, the gas enters the cut-off second main flue 5 through the first circular pipe 3 and flows out, through the setting of the second bell mouth 4, the gap at the welding seam can be prevented, the flue gas flows out from the gap, and environmental pollution is caused, the first circular pipe 3 can be fixed through the support plate 8, the second fixing plate 10 can be fixed on the wall by the worker through the bolt, the support plate 8 is pulled through the connecting rod 9, the first circular pipe 3 is prevented from loosening during long-time use, through the technical transformation, the circular cross section optimizes the airflow, the maintainability is improved, the energy consumption is reduced, the problems of ash deposition, large resistance and the like of the square flue are solved, and the long-term stable operation of the flue system is ensured.

[0026] It is obvious for those skilled in the art that the utility model is not limited to the details of the above-mentioned exemplary embodiments, and the utility model can be realized in other specific forms without departing from the spirit or basic characteristics of the utility model. Therefore, no matter from which point of view, the embodiments should be regarded as exemplary and non-limiting, the scope of the utility model is defined by the appended claims instead of the above description, and therefore all changes falling within the meaning and scope of the equivalent elements of the claims are intended to be included in the utility model. Any reference signs in the claims should not be regarded as limiting the involved claims.

Claims

1. A device for modifying and recovering flue gas from a silicon water refining flue, comprising a first main flue (1), characterized in that: A first flared mouth (2) is fixedly connected to one side of the first main flue (1). A first circular pipe (3) is fixedly connected to the end of the first flared mouth (2) away from the first main flue (1). A second flared mouth (4) is fixedly connected to the end of the first circular pipe (3) away from the first flared mouth (2). A second main flue (5) is fixedly connected to the end of the second flared mouth (4) away from the first circular pipe (3). A first fixing frame (6) is fixedly connected to the outer surface of the second main flue (5). A first fixing plate (7) is fixedly connected to the upper surface of the first fixing frame (6).

2. The device for modifying and recovering flue gas from a silicon water refining flue as described in claim 1, characterized in that: The interior of the second main flue (5) is fixedly connected to a partition plate (14), and the inner side of the second main flue (5) is fixedly connected to a second circular pipe (15).

3. The device for modifying and recovering flue gas from a silicon water refining flue according to claim 2, characterized in that: The end of the second circular tube (15) away from the second main flue (5) is fixedly connected to a third flared mouth (16), and the end of the third flared mouth (16) away from the second circular tube (15) is fixedly connected to a new flue (17).

4. The device for modifying and recovering flue gas from a silicon water refining flue according to claim 3, characterized in that: The outer surface of the newly added flue (17) is fixedly connected to a third fixing frame (18), and the upper surface of the third fixing frame (18) is fixedly connected to a fourth fixing plate (19).

5. The device for modifying and recovering flue gas from a silicon water refining flue as described in claim 1, characterized in that: The outer surface of the first main flue (1) is fixedly connected to a second fixing frame (12), and the outer surface of the second fixing frame (12) is fixedly connected to a third fixing plate (13).

6. The device for modifying and recovering flue gas from a silicon water refining flue as described in claim 1, characterized in that: A support plate (8) is fixedly connected to the outer surface of the first circular tube (3), and a connecting rod (9) is slidably connected to the inner wall of the support plate (8).

7. The device for retrofitting and recovering flue gas in a silicon water refining flue according to claim 6, characterized in that: The lower end of the connecting rod (9) is threaded with a nut (11), and the upper end of the connecting rod (9) is fixedly connected with a second fixing plate (10).

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