Cold air heating device for ammonium sulfate production

Abstract

The utility model relates to the technical field of ammonium sulfate production equipment, in particular to a cold air heating device for ammonium sulfate production, which comprises a heating shell, a flow guide cover is mounted on one side of the heating shell, an air inlet is formed in the side end of the flow guide cover, a water outlet is formed in the bottom of the side wall of the flow guide cover, and a water outlet is formed in the bottom of the side wall of the flow guide cover. A sealing plug is installed in the water outlet, a heat exchange pipe is installed in the center of the interior of the flow guide cover, a movable groove is formed in the side wall of the flow guide cover, and a plurality of scraping plates are movably installed in the movable groove. The cold air heating device for ammonium sulfate production has the beneficial effects that the scraping plate, the annular plate and the flow guide plate are used in cooperation, steam in the heating shell is conveniently hung down and collected together through the scraping plate, the collected steam is guided to the water outlet through the flow guide plate to be discharged, collected and recycled, and the practicability is high. Energy consumption and heat exchange efficiency of the cold air heating device are prevented from being affected by a large amount of steam.

Description

Technical Field

[0001] This utility model relates to the technical field of ammonium sulfate production equipment, specifically a cold air heating device for ammonium sulfate production. Background Technology

[0002] Ammonium sulfate is an inorganic salt containing nitrogen and sulfur, mainly used as a nitrogen fertilizer. It is suitable for neutral and alkaline soils, and especially suitable for sulfur-deficient crops. In addition, it is also a raw material for chemical, dyeing and textile, and pharmaceutical industries. The cold air heating device for ammonium sulfate production adopts a spray-type saturator production process. In order to ensure that the moisture content of the ammonium sulfate product is up to standard, hot air needs to be used to heat the ammonium sulfate product. The cold air is heated through a tubular air exchanger.

[0003] In the existing technology, the heat exchange efficiency of the air exchanger in a cold air heating device for ammonium sulfate production is low and the steam consumption is high, resulting in energy waste. To address this, the tubes are expanded by replacing the coarse tubes with fine tubes and arranging them in an equilateral triangle to increase the tube density and heat exchange area. An arc-shaped baffle is added, along with a spiral guide vane, to increase the lateral air velocity and to add a waste heat recovery tank.

[0004] However, when the above-mentioned equipment is in use, a large amount of steam will remain on the inner wall of the heating device pipe, increasing energy consumption and reducing heat exchange efficiency. Therefore, this utility model proposes a cold air heating device for ammonium sulfate production to solve the above problems. Utility Model Content

[0005] The purpose of this invention is to provide a cold air heating device for ammonium sulfate production, so as to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, the present invention provides the following technical solution: a cold air heating device for ammonium sulfate production, the cold air heating device for ammonium sulfate production includes: a heating shell, a flow guide shroud installed on one side of the heating shell, an air inlet opened at the side end of the flow guide shroud, a water outlet opened at the bottom of the side wall of the flow guide shroud, a sealing plug installed inside the water outlet, and a heat exchange tube installed in the center of the inside of the flow guide shroud.

[0007] The side wall of the flow guide is equipped with a movable groove, and several scrapers are movably installed inside the movable groove. The scrapers are evenly distributed in a ring array on the inner side wall of the heating shell. The outer end of the scraper is equipped with a ring plate. Several evenly distributed flow guide plates in a ring array are connected and installed between adjacent scrapers. The side wall of the flow guide plate is provided with a hole groove.

[0008] Preferably, the inner wall of the ring plate is provided with a sliding groove, and a mesh plate is installed at the center of the ring plate, with the side wall of the mesh plate movably placed inside the sliding groove.

[0009] Preferably, the sidewall of the mesh plate is equipped with a connecting block, and the sidewall of the connecting block is fixed with a support frame evenly distributed in a ring array, and the support frame is fixed to the inner wall of the heating shell.

[0010] Preferably, the sidewall of the ring plate is equipped with a toothed plate, which is an annular plate located on the sidewall of the mesh plate.

[0011] Preferably, a retaining plate is installed through the outer side wall of the support frame, a limiting cylinder is installed on the inner side wall of the support frame, and expansion screws are installed through the two sides of the retaining plate, with the expansion screws penetrating into the side wall of the limiting cylinder.

[0012] Preferably, a drive motor is installed inside the limiting cylinder, and a gear is installed at the output end of the drive motor, the teeth of the gear meshing with the teeth of the gear plate.

[0013] Preferably, a ball bearing is installed at the center of the side wall of the scraper.

[0014] Compared with the prior art, the beneficial effects of this utility model are:

[0015] This invention proposes a cold air heating device for ammonium sulfate production, which utilizes a scraper, a ring plate, and a guide plate in combination. The scraper collects the steam inside the heating shell, and the guide plate directs the collected steam to the outlet for discharge, collection, and recycling, thus avoiding the impact of large amounts of steam on the energy consumption and heat exchange efficiency of the cold air heating device. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the cold air heating device of this utility model;

[0017] Figure 2 This is a three-dimensional structural diagram of the internal structure of the cold air heating device of this utility model;

[0018] Figure 3 This is a three-dimensional structural diagram of the steam scraping method of this utility model;

[0019] Figure 4 This utility model Figure 3 A schematic diagram of the three-dimensional structure of A.

[0020] In the diagram: 1. Heating shell; 2. Flow guide; 3. Air inlet; 4. Water outlet; 5. Sealing plug; 6. Heat exchange tube; 7. Movable groove; 8. Scraper; 9. Ring plate; 10. Flow guide plate; 11. Slide groove; 12. Mesh plate; 13. Connecting block; 14. Support frame; 15. Toothed plate; 16. Clamping plate; 17. Limiting cylinder; 18. Expansion screw; 19. Drive motor; 20. Gear; 21. Ball bearing. Detailed Implementation

[0021] To make the objectives, technical solutions, and advantages of this utility model clear and complete, the embodiments of this utility model will be further described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are only some, not all, embodiments of this utility model, and are merely used to explain the embodiments of this utility model. They are not intended to limit the embodiments of this utility model. All other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this utility model.

[0022] Example 1: Please refer to Figures 1 to 4 This utility model provides a technical solution: a cold air heating device for ammonium sulfate production, the cold air heating device for ammonium sulfate production includes: a heating shell 1, a guide hood 2 installed on one side of the heating shell 1, an air inlet 3 opened at the side end of the guide hood 2, a water outlet 4 opened at the bottom of the side wall of the guide hood 2, a sealing plug 5 installed inside the water outlet 4, a heat exchange tube 6 installed in the center of the inside of the guide hood 2, a movable groove 7 installed on the side wall of the guide hood 2, a plurality of scrapers 8 movably installed inside the movable groove 7, the plurality of scrapers 8 are evenly distributed in a ring array on the inner side wall of the heating shell 1, a ring plate 9 is installed at the outer end of the scraper 8, a plurality of evenly distributed guide plates 10 in a ring array are connected and installed between adjacent scrapers 8, the side wall of the guide plate 10 is provided with a hole groove, and a ball bearing 21 is installed in the center of the side wall of the scraper 8, the ball bearing 21 facilitates the movement of the scraper 8 inside the movable groove 7;

[0023] In use, cold air enters the interior of the heating shell 1 through the air inlet 3 and is heated by the heat exchange tube 6. During the heating process, steam is generated that adheres to the inner wall of the heating shell 1. The steam is scraped off the inner wall by the scraper 8 rotating inside the movable groove 7 and collected in a group. Under the action of the rotating guide plate 10, the steam moves through the holes and grooves of the guide plate 10 to the water outlet 4 for recycling.

[0024] Example 2: Based on Example 1, a convenient limiting and fixing mechanism is provided for the ring plate 9. The inner wall of the ring plate 9 is provided with a sliding groove 11. A mesh plate 12 is installed at the center of the ring plate 9. The side wall of the mesh plate 12 is movably placed inside the sliding groove 11. A connecting block 13 is installed on the side wall of the mesh plate 12. A support frame 14 with a uniformly distributed annular array is fixed on the side wall of the connecting block 13. The support frame 14 is fixed to the inner wall of the heating shell 1.

[0025] In use, the support frame 14 fixes the connecting block 13 and the mesh plate 12 inside the heating shell 1, and the sliding groove 11 on the side wall of the ring plate 9 facilitates the ring plate 9 to rotate in a limited manner on the side wall of the mesh plate 12.

[0026] Example 3: Based on Example 2, a structure is provided to drive the ring plate 9 and scraper 8 to rotate. A toothed plate 15 is installed on the side wall of the ring plate 9. The toothed plate 15 is an annular plate and is located on the side wall of the mesh plate 12. A clamping plate 16 is installed through the outer side wall of the support frame 14. A limiting cylinder 17 is installed on the inner side wall of the support frame 14. Expansion screws 18 are installed through the two sides of the clamping plate 16. The expansion screws 18 penetrate into the side wall of the limiting cylinder 17. A drive motor 19 is installed inside the limiting cylinder 17. A gear 20 is installed at the output end of the drive motor 19. The teeth of the gear 20 mesh with the teeth of the toothed plate 15.

[0027] In use, the drive motor 19, carrying the gear 20, is placed inside the limiting cylinder 17. The limiting cylinder 17 is fixed to the side wall of the support frame 14 by the expansion screw 18 passing through the inside of the clamping plate 16, so that the teeth of the gear 20 can mesh with the teeth of the toothed plate 15. The drive motor 19 drives the gear 20 to rotate, which in turn drives the toothed plate 15 to rotate, which in turn drives the ring plate 9 and the scraper 8 to rotate.

[0028] In actual use, the support frame 14 fixes the connecting block 13 and the mesh plate 12 inside the heating shell 1. The sliding groove 11 on the side wall of the ring plate 9 facilitates the ring plate 9 to rotate within the side wall of the mesh plate 12. Cold air enters the interior of the heating shell 1 from the air inlet 3 and is heated by the heat exchange tube 6. During the heating process, steam is generated that adheres to the inner wall of the heating shell 1. The gear 20 is placed inside the limiting cylinder 17 by the drive motor 19. The limiting cylinder 17 is fixed to the side wall of the support frame 14 by the expansion screw 18 passing through the inside of the clamping plate 16, which facilitates the meshing of the teeth of the gear 20 with the teeth of the toothed plate 15. The drive motor 19 drives the gear 20 to rotate, which in turn drives the toothed plate 15 to rotate, which in turn facilitates the rotation of the ring plate 9 and the scraper 8.

[0029] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A cold air heating device for ammonium sulfate production, characterized by: The cold air heating device for ammonium sulfate production includes: a heating shell (1), a flow guide hood (2) installed on one side of the heating shell (1), an air inlet (3) opened at the side end of the flow guide hood (2), a water outlet (4) opened at the bottom of the side wall of the flow guide hood (2), a sealing plug (5) installed inside the water outlet (4), and a heat exchange tube (6) installed in the center of the inside of the flow guide hood (2). The side wall of the flow guide shroud (2) is equipped with a movable groove (7), and a number of scrapers (8) are movably installed inside the movable groove (7). The scrapers (8) are evenly distributed in a ring array on the inner side wall of the heating shell (1). A ring plate (9) is installed at the outer end of the scraper (8). A number of evenly distributed flow guide plates (10) in a ring array are connected between adjacent scrapers (8). The side wall of the flow guide plate (10) is provided with holes and slots.

2. The cold air heating device for ammonium sulfate production according to claim 1, characterized in that: The inner wall of the ring plate (9) is provided with a sliding groove (11), and a mesh plate (12) is installed in the center of the ring plate (9). The side wall of the mesh plate (12) is movably placed inside the sliding groove (11).

3. The cold air heating device for ammonium sulfate production according to claim 2, characterized in that: The side wall of the mesh plate (12) is equipped with a connecting block (13), and the side wall of the connecting block (13) is fixed with a support frame (14) evenly distributed in a ring array. The support frame (14) is fixed to the inner wall of the heating shell (1).

4. The cold air heating device for ammonium sulfate production according to claim 1, characterized in that: The side wall of the ring plate (9) is equipped with a toothed plate (15), which is an annular plate and is located on the side wall of the mesh plate (12).

5. The cold air heating device for ammonium sulfate production according to claim 3, characterized in that: A clamping plate (16) is installed through the outer side wall of the support frame (14), and a limiting cylinder (17) is installed on the inner side wall of the support frame (14). Expansion screws (18) are installed through both sides of the clamping plate (16), and the expansion screws (18) are inserted into the side wall of the limiting cylinder (17).

6. The cold air heating device for ammonium sulfate production according to claim 5, characterized in that: The limiting cylinder (17) is equipped with a drive motor (19), and a gear (20) is installed at the output end of the drive motor (19). The teeth of the gear (20) mesh with the teeth of the gear plate (15).

7. The cold air heating device for ammonium sulfate production according to claim 1, characterized in that: A ball bearing (21) is installed at the center of the side wall of the scraper (8).

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