Polyferric sulfate temporary storage device

Abstract

The utility model relates to a polymeric ferric sulfate temporary storage device, which belongs to the technical field of storage equipment and comprises a temporary storage tank, a feed pipe, a discharge pipe, a stirring shaft, a stirring motor and a stirring mechanism, the stirring mechanism comprises a transverse stirring rod, a vertical stirring rod, an upper air passage, a middle air passage and a lower air passage, and a rotary joint communicated with the lower air passage is fixed at the bottom of the stirring shaft. A cooling air inlet pipe is fixed to the bottom of the rotary connector, an auxiliary blowing pipe is fixed to the cooling air inlet pipe, a lower bent head facing the discharging pipe is arranged at the inner end of the auxiliary blowing pipe, and a cooling cavity is formed in the vertical stirring rod. Cold air is introduced into the transverse stirring rod and the vertical stirring rod of the stirring mechanism, polymeric ferric sulfate powder can be cooled while rotary stirring is conducted, the cooling effect is better, and by means of the blowing auxiliary pipe arranged at the bottom of the temporary storage tank, discharging can be assisted by blowing airflow during discharging, and a discharging pipe is prevented from being blocked.

Description

Technical Field

[0001] This utility model relates to a temporary storage device for polyferric sulfate, belonging to the field of storage equipment technology. Background Technology

[0002] Polyferric sulfate is a powdered substance widely used in the purification of drinking water, industrial water, various industrial wastewater, municipal sewage, and sludge dewatering. During polyferric sulfate production, the dried powder is temporarily stored in a storage tank. Because the powder enters the tank at a certain temperature, it tends to clump together during cooling, and natural cooling is slow. Therefore, a stirring device is now added to the storage tank to prevent clumping, and a cooling jacket is installed on the outside of the tank to accelerate cooling. However, jacket cooling is more effective for materials close to the inner wall of the tank, but less effective for materials in the middle, and the powder can easily clog the discharge port during feeding. Utility Model Content

[0003] This invention provides a temporary storage device for polyferric sulfate, which solves the problems of current temporary storage tanks using cooling jackets, which have a good cooling effect on materials close to the inner wall of the temporary storage tank but a poor cooling effect on intermediate materials, and polyferric sulfate powder easily clogging the discharge port during feeding.

[0004] This utility model relates to a temporary storage device for polyferric sulfate, including a temporary storage tank. The top of the temporary storage tank has an inlet pipe, and the bottom has an outlet pipe. A stirring shaft is installed inside the temporary storage tank. A stirring motor is fixed to the top of the stirring shaft, and a stirring mechanism is fixed to the stirring shaft. The stirring mechanism includes multiple horizontal stirring rods fixed to the stirring shaft, and vertical stirring rods are fixed to the outer ends of the horizontal stirring rods. The stirring shaft has three non-connected air passages—an upper air passage, a middle air passage, and a lower air passage—arranged from top to bottom. A rotating connector connecting to the lower air passage is fixed to the bottom of the stirring shaft. The head and rotary joint have a cooling air inlet pipe fixed at the bottom, and a spray auxiliary pipe fixed on the cooling air inlet pipe. The inner end of the spray auxiliary pipe has a downward bend facing the discharge pipe. The vertical stirring rod has a cooling cavity. The bottom horizontal stirring rod has an air guide hole 1 that connects the cooling cavity and the lower air passage. The horizontal stirring rods other than the bottom horizontal stirring rod have an air guide hole 2 that connects the cooling cavity and the middle air passage. The upper air passage and the middle air passage are connected through a connecting cavity. The stirring shaft above the temporary storage tank has an air outlet that connects to the upper air passage.

[0005] As a preferred embodiment, a noise reduction box is fitted onto the stirring shaft outside the vent. The noise reduction box has an exhaust port and a gap between it and the stirring shaft. The noise reduction box is fixed to the top of the temporary storage tank. The noise generated by the exhaust from the vent can be reduced by the noise reduction box.

[0006] As a preferred embodiment, a conical throwing disc is fixed to the upper part of the stirring shaft, and the connecting cavity is located inside the throwing disc. The lower part of the upper air passage and the upper part of the middle air passage are provided with connecting holes that connect to the connecting cavity. The bottom outlet of the feed pipe faces the top center of the throwing disc. By setting the throwing disc, the material entering from the feed pipe can be more evenly dispersed, which is convenient for subsequent stirring and cooling. Furthermore, the material can undergo initial cooling when it comes into contact with the throwing disc, resulting in a better cooling effect.

[0007] As a preferred embodiment, the top of the material feeding disc is evenly provided with multiple feeding holes, and a feeding pipe is fixed inside the feeding holes. The bottom of the feeding pipe passes through the material feeding disc and extends to the bottom surface of the material feeding disc. When the material flowing on the material feeding disc passes through the feeding holes, it can fall directly, preventing all the material from being thrown to the outside of the temporary storage tank. Furthermore, cooling can also be carried out when the material is fed into the feeding pipe, improving the cooling effect and speed.

[0008] As a preferred embodiment, two vertical clamping plates are fixed to the outside of the vertical stirring rod, and a scraper is fixed between the two clamping plates by bolts. The outer wall of the scraper contacts the inner wall of the temporary storage tank, which can scrape the inner wall of the temporary storage tank to prevent material from sticking.

[0009] As a preferred embodiment, the bottom of the temporary storage tank is conical, and the lower part of the temporary storage tank is provided with a stirring plate parallel to the bottom wall of the conical shape. The stirring plate is fixedly connected to a connecting rod, and the inner end of the connecting rod is fixed to the stirring shaft, which can better stir the bottom of the temporary storage tank.

[0010] As a preferred embodiment, a heat dissipation pipe is fixed to the top of the temporary storage tank. A support flange is provided at the top of the heat dissipation pipe, and a circular support plate coaxial with it is provided above the heat dissipation pipe. The bottom outer side of the circular support plate has at least two support ribs arranged in a circular array. The bottom of the support ribs has bends fixed to the inner wall of the heat dissipation pipe. The bends allow the powder to fall directly into the heat dissipation pipe when the filter bag is shaken to dislodge the powder from the inner wall of the filter bag, thus better preventing material accumulation. The filter bag is fitted over the circular support plate and the support ribs. A clamping boss is provided at the top of the support flange, and a pressure ring plate is provided above the support flange to press the head of the filter bag against the clamping boss. During stirring and cooling, heat can be dissipated through the heat dissipation pipe, and the filter bag prevents dust from escaping during heat dissipation.

[0011] As a preferred option, the threaded connection of the support flange has a sealing cap that encloses the gland ring and filter bag. When temporarily storing materials after cooling, the sealing cap can seal the heat dissipation pipe to prevent moisture from entering.

[0012] This utility model has the following beneficial effects:

[0013] By introducing cold air into the horizontal and vertical stirring rods of the stirring mechanism, the polyferric sulfate powder can be cooled while rotating and stirring, resulting in a better cooling effect. Furthermore, the auxiliary blowing pipe at the bottom of the temporary storage tank can assist in the feeding process by blowing airflow during feeding, preventing blockage of the discharge pipe. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the structure of this utility model;

[0015] Figure 2 for Figure 1 Partial structural diagram Figure 1 ;

[0016] Figure 3 for Figure 1 Partial structural diagram Figure 2 ;

[0017] Figure 4 for Figure 1 Enlarged structural diagram at point A;

[0018] Figure 5 This is a schematic diagram of the structure at the heat dissipation pipe.

[0019] In the diagram: 1. Stirring motor, 2. Stirring shaft, 3. Noise reduction box, 4. Temporary storage tank, 5. Heat dissipation pipe, 6. Discharge plate, 7. Feed pipe, 8. Scraper, 9. Clamping plate, 10. Vertical stirring rod, 11. Horizontal stirring rod, 12. Cooling air inlet pipe, 13. Auxiliary spray pipe, 14. Rotary joint, 15. Lower air duct, 16. Middle air duct, 17. Upper air duct, 18. Feed pipe, 19. Pressure cap ring plate, 20. Sealing cap, 21. Filter bag, 22. Support rib, 23. Circular support hole plate, 24. Clamping boss, 25. Stirring plate. Detailed Implementation

[0020] The present invention will be further described below with reference to the embodiments.

[0021] Example 1, such as Figures 1 to 5As shown, this utility model is a temporary storage device for polyferric sulfate, including a temporary storage tank 4. The top of the temporary storage tank 4 is provided with an inlet pipe 18, and the bottom of the temporary storage tank 4 is provided with an outlet pipe. Both the inlet pipe 18 and the outlet pipe are equipped with valves. A stirring shaft 2 is provided inside the temporary storage tank 4. A stirring motor 1 is fixed to the top of the stirring shaft 2, and a stirring mechanism is fixed to the stirring shaft 2. The stirring mechanism includes multiple horizontal stirring rods 11 fixed to the stirring shaft 2, and vertical stirring rods 10 are fixed to the outer ends of the horizontal stirring rods 11. The stirring shaft 2 has non-connected upper air passages 17, middle air passages 16, and lower air passages 15 arranged from top to bottom. A rotary joint 14 connecting to the lower air passage 15 is fixed to the bottom of the stirring shaft 2. A cooling air inlet pipe 12 is fixed to the bottom of the connector 14. A spray auxiliary pipe 13 is fixed to the cooling air inlet pipe 12. Valves are provided at the outer ends of both the cooling air inlet pipe 12 and the spray auxiliary pipe 13. A downward bend is provided at the inner end of the spray auxiliary pipe 13 towards the discharge pipe. A cooling cavity is provided inside the vertical stirring rod 10. A first air guide hole is provided inside the bottom horizontal stirring rod 11, which connects the cooling cavity and the lower air passage 15. A second air guide hole is provided inside the horizontal stirring rod 11 other than the bottom horizontal stirring rod 11, which connects the cooling cavity and the middle air passage 16. The upper air passage 17 and the middle air passage 16 are connected through a connecting cavity. An air outlet is provided on the stirring shaft 2 above the temporary storage tank 4, which connects to the upper air passage 17.

[0022] During operation, the stirring motor 1 is started, the valves on the cooling air inlet pipe 12 and the feed pipe 18 are opened, and the valves on the discharge pipe and the auxiliary spray pipe 13 are closed. The material enters the temporary storage tank 4 through the feed pipe 18. At this time, the stirring motor 1 drives the stirring shaft 2 to rotate, thereby driving the horizontal stirring rod 11 and the vertical stirring rod 10 to rotate, stirring the material, accelerating heat dissipation, and preventing agglomeration. Meanwhile, the cooling air entering through the cooling air inlet pipe 12 enters the lower air passage 15 through the rotary joint 14, then enters the cooling cavity through the first air guide hole, and then enters through the second air guide hole. The material enters the middle air passage 16 and then exits through the air outlet of the upper air passage 17. The horizontal stirring rod 11 and the vertical stirring rod 10 are cooled while the cooling air flows. The horizontal stirring rod 11 and the vertical stirring rod 10 cool the material while stirring it. After the material is fed, the valve on the feed pipe 18 is closed. After the material is cooled, the valve on the cooling air inlet pipe 12 is closed. When it is necessary to discharge the material, the valves on the discharge pipe and the spray auxiliary pipe 13 are opened. The air is sprayed from the spray auxiliary pipe 13 toward the discharge pipe, blowing the material out and preventing blockage at the discharge pipe.

[0023] In Example 2, based on Example 1, a noise reduction box 3 is fitted onto the stirring shaft 2 outside the vent. The noise reduction box 3 has an exhaust port, and there is a gap between the noise reduction box 3 and the stirring shaft 2. The noise reduction box 3 is fixed to the top of the temporary storage tank 4. The cooling air inlet pipe 12 is connected to a cooling fan or other cooling air source.

[0024] A conical throwing disc 6 is fixed on the upper part of the stirring shaft 2. The connecting cavity is located inside the throwing disc 6. The lower part of the upper air passage 17 and the upper part of the middle air passage 16 are provided with connecting holes that connect to the connecting cavity. The bottom outlet of the feed pipe 18 faces the top middle position of the throwing disc 6.

[0025] The top of the material feeding disc 6 is evenly provided with multiple feeding holes, and a feeding pipe 7 is fixed in the feeding holes. The bottom of the feeding pipe 7 passes through the material feeding disc 6 and extends to the bottom surface of the material feeding disc 6. After the material enters from the feed pipe 18, it falls to the middle of the top of the material feeding disc 6. Then, part of the material is thrown to the outside of the temporary storage tank 4, and part of the material is evenly distributed when it flows on the material feeding disc 6 or falls from the feeding pipe 7. The material can also be cooled when it flows on the material feeding disc 6 and the feeding pipe 7.

[0026] Two vertical clamping plates 9 are fixed to the outside of the vertical stirring rod 10. A scraper 8 is fixed between the two clamping plates 9 by bolts. The outer wall of the scraper 8 is in contact with the inner wall of the temporary storage tank 4.

[0027] The bottom of the temporary storage tank 4 is conical, and the lower part of the temporary storage tank 4 is provided with a stirring plate 25 parallel to the bottom wall of the conical shape. A connecting rod is fixedly connected to the stirring plate 25, and the inner end of the connecting rod is fixed to the stirring shaft 2.

[0028] The top of the temporary storage tank 4 is fixed with a heat dissipation pipe 5. The top of the heat dissipation pipe 5 is provided with a support flange. Above the heat dissipation pipe 5 is a circular support plate 23 coaxial with it. The bottom outer side of the circular support plate 23 has at least two support ribs 22 arranged in a circular array. The bottom of the support ribs 22 is provided with a bend fixed to the inner wall of the heat dissipation pipe 5. The circular support plate 23 and the support ribs 22 are covered with a filter bag 21. The top of the support flange is provided with a clamping boss 24. Above the support flange is a pressure ring plate 19 that presses the head of the filter bag 21 against the clamping boss 24.

[0029] The support flange threaded connection has a sealing cap 20 that encloses the pressure ring plate 19 and the filter bag 21. Before feeding, the sealing cap 20 is unscrewed, and hot air is discharged from the heat dissipation pipe 5. The dust mixed in is blocked by the filter bag 21 to prevent dust from being stirred up. After the feeding is cooled, the top of the filter bag 21 is shaken to shake off the dust on the inner wall of the filter bag 21 and let it fall back into the temporary storage tank 4. Then the sealing cap 20 is screwed on to seal the heat dissipation pipe 5.

[0030] Furthermore, it should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This narrative style is merely for clarity. Those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0031] In the description of this utility model, the terms "inner", "outer", "longitudinal", "transverse", "upper", "lower", "top", "bottom", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and do not require that this utility model must be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

Claims

1. A temporary storage device for polyferric sulfate, comprising a temporary storage tank (4), a feed pipe (18) at the top of the temporary storage tank (4), a discharge pipe at the bottom of the temporary storage tank (4), a stirring shaft (2) inside the temporary storage tank (4), a stirring motor (1) fixed at the top of the stirring shaft (2), and a stirring mechanism fixed on the stirring shaft (2), characterized in that: The stirring mechanism includes multiple horizontal stirring rods (11) fixed on the stirring shaft (2). A vertical stirring rod (10) is fixed to the outer end of each horizontal stirring rod (11). The stirring shaft (2) has non-connected upper air passage (17), middle air passage (16), and lower air passage (15) arranged from top to bottom. A rotary joint (14) connecting to the lower air passage (15) is fixed to the bottom of the stirring shaft (2). A cooling air inlet pipe (12) is fixed to the bottom of the rotary joint (14). A spray auxiliary pipe (13) is fixed to the cooling air inlet pipe (12). The inner end of the tube (13) is provided with a downward bend towards the discharge tube. The vertical stirring rod (10) is provided with a cooling cavity. The bottom horizontal stirring rod (11) is provided with a guide hole 1 that connects the cooling cavity and the lower air passage (15). The horizontal stirring rods (11) other than the bottom horizontal stirring rod (11) are provided with a guide hole 2 that connects the cooling cavity and the middle air passage (16). The upper air passage (17) and the middle air passage (16) are connected through a connecting cavity. The stirring shaft (2) above the temporary storage tank (4) is provided with an air outlet that connects to the upper air passage (17).

2. The temporary storage device for polyferric sulfate according to claim 1, characterized in that: A noise reduction box (3) is fitted on the stirring shaft (2) outside the vent. The noise reduction box (3) has an exhaust port. There is a gap between the noise reduction box (3) and the stirring shaft (2). The noise reduction box (3) is fixed on the top of the temporary storage tank (4).

3. A temporary storage device for polyferric sulfate according to claim 1 or 2, characterized in that: A conical throwing disc (6) is fixed on the upper part of the stirring shaft (2). The connecting cavity is located inside the throwing disc (6). The lower part of the upper air passage (17) and the upper part of the middle air passage (16) are provided with connecting holes that connect to the connecting cavity. The bottom outlet of the feed pipe (18) faces the top middle position of the throwing disc (6).

4. The temporary storage device for polyferric sulfate according to claim 3, characterized in that: The top of the material feeding disc (6) is evenly provided with multiple feeding holes, and a feeding pipe (7) is fixed in the feeding hole. The bottom of the feeding pipe (7) passes through the material feeding disc (6) and extends to the bottom surface of the material feeding disc (6).

5. The temporary storage device for polyferric sulfate according to claim 1, characterized in that: Two vertical clamps (9) are fixed on the outside of the vertical stirring rod (10), and a scraper (8) is fixed between the two clamps (9) by bolts. The outer wall of the scraper (8) is in contact with the inner wall of the temporary storage tank (4).

6. The temporary storage device for polyferric sulfate according to claim 1, characterized in that: The bottom of the temporary storage tank (4) is conical. The lower part of the temporary storage tank (4) is provided with a stirring plate (25) parallel to the bottom wall of the conical shape. The stirring plate (25) is fixedly connected to a connecting rod, and the inner end of the connecting rod is fixed to the stirring shaft (2).

7. The temporary storage device for polyferric sulfate according to claim 1, characterized in that: The top of the temporary storage tank (4) is fixed with a heat dissipation pipe (5). The top of the heat dissipation pipe (5) is provided with a support flange. A circular support plate (23) is provided on the top of the heat dissipation pipe (5) and is coaxial with it. There are no less than two support ribs (22) in a circular array on the bottom outer side of the circular support plate (23). The bottom of the support ribs (22) is provided with a bend fixed on the inner wall of the heat dissipation pipe (5). A filter bag (21) is fitted on the outside of the circular support plate (23) and the support ribs (22). A clamping boss (24) is provided on the top of the support flange. A pressure ring plate (19) is provided on the top of the support flange to press the head of the filter bag (21) against the clamping boss (24).

8. The temporary storage device for polyferric sulfate according to claim 7, characterized in that: The support flange threaded connection has a sealing cap (20) that encloses the gland ring (19) and filter bag (21).

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