Calcining furnace capable of reducing sodium carbonate loss in calcining process of light ash furnace
By setting up a heating pipe and a steam condensate conveying pipe on the calciner, combined with heavy alkali conveyors and reverse alkali screw conveyors and other devices, the problems of incomplete calcination and unrecycled by-products are solved, the utilization rate of soda ash and resource recovery rate are improved, and the efficient operation and environmental protection of the calcination process are achieved.
Patent Information
- Application Number
- CN202420744838.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-11
- Publication Date
- 2025-07-04
- Estimated Expiration
- 2034-04-11
AI Technical Summary
The existing calciner has incomplete calcination or unqualified particle size products that are not fully utilized, have poor sealing properties, resulting in loss of soda ash, and it is difficult to effectively recover the by-products in the calcination process, resulting in waste of resources and environmental pollution.
A heating pipe is installed on the calciner to ensure uniform heat distribution, and the steam condensate is recovered through the steam condensate conveyor, and a heavy alkali conveyor and a reverse alkali screw conveyor are installed to realize the reprocessing of unqualified products and the effective collection and treatment of by-products.
It improves the utilization rate of soda ash, reduces energy losses, realizes efficient operation of the calcination process and effective resource recovery, and reduces environmental pollution.
Smart Images
Figure CN223064342U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of calcining furnaces for soda ash loss, in particular to a calcining furnace for reducing soda ash loss during the calcination process of a light ash furnace. Background Art
[0002] The calcining furnace is one of the core equipment in soda ash production. Alkali leakage from the calcining furnace will cause a reduction in the soda ash yield, an increase in energy consumption and costs, and will also pollute the on-site environment and pose occupational health hazards. Therefore, it is very necessary to reduce or eliminate alkali leakage from the calcining furnace.
[0003] However, when the existing calcining furnace is in use, there are still the following defects: there is a lack of a reprocessing mechanism for incompletely calcined or unqualified particle size products, resulting in some soda ash not being fully utilized and becoming a loss; it is unable to effectively collect and process the by-product reverse alkali during the calcination process, making it difficult to effectively recover this part of the resources, further causing soda ash loss, poor sealing, and low processing efficiency. Summary of the Utility Model
[0004] The purpose of the utility model is to solve the defects existing in the prior art, and a calcining furnace for reducing soda ash loss during the calcination process of a light ash furnace is proposed.
[0005] To achieve the above purpose, the utility model adopts the following technical scheme: a calcining furnace for reducing soda ash loss during the calcination process of a light ash furnace, including a calcining furnace, the calcining furnace is fixedly connected with a convex block, the convex block is fixedly connected with an anti-alkali-leakage seal II, the anti-alkali-leakage seal II is fixedly connected with a feeder I, the feeder I is fixedly connected with an alkali discharge screw conveyor, the anti-alkali-leakage seal II is fixedly connected with a steam condensate conveying pipe, the steam condensate conveying pipe is fixedly connected with a condensate storage tank, and the anti-alkali-leakage seal II is fixedly connected with a self-powered electricity.
[0006] As a further description of the above technical scheme:
[0007] The calcining furnace is fixedly connected with a heating pipe I, the calcining furnace is fixedly connected with a heating pipe II, the calcining furnace is fixedly connected with a heating pipe III, and the calcining furnace is fixedly connected with a discharge port.
[0008] As a further description of the above technical scheme:
[0009] The discharge port is fixedly connected with a feeder II, the discharge port is fixedly connected with a feed pipe, and an anti-alkali-leakage seal is provided at the end of the anti-alkali-leakage seal II.
[0010] As a further description of the above technical scheme:
[0011] The feed pipe is provided with a heavy soda ash small belt conveyor, and the heavy soda ash small belt conveyor is provided with a heavy soda ash conveyor.
[0012] As a further description of the above technical solution:
[0013] An anti-alkali screw conveyor is provided on the discharge pipe, and a return-alkali speed-regulating star device is fixedly connected to the anti-alkali screw conveyor.
[0014] As a further description of the above technical solution:
[0015] A return-alkali scraper conveyor is fixedly connected to the return-alkali speed-regulating star device, and an aggregate scraper conveyor is fixedly connected to the return-alkali scraper conveyor.
[0016] As a further description of the above technical solution:
[0017] An alkali dust screw conveyor is fixedly connected to the anti-alkali screw conveyor, a cyclone separator is fixedly connected to the alkali dust screw conveyor, the cyclone separator is fixedly connected to a hot alkali solution tower, and the hot alkali solution tower is fixedly connected to a furnace gas horizontal pipe.
[0018] The utility model has the following beneficial effects:
[0019] 1. In the utility model, by arranging the first heating pipe, the second heating pipe and the third heating pipe on the calciner, the heat distribution in the calcination chamber is ensured to be uniform, the calcination efficiency is improved. At the same time, the steam generated during the calcination process is condensed into condensed water through the steam condensate conveying pipe and recovered to the condensate storage tank, realizing the effective reuse of energy and reducing the loss during calcination.
[0020] 2. In the utility model, by arranging the light soda ash small leather conveyor and the light soda ash conveyor, the light soda ash that is not completely calcined or has unqualified particle size can be circulated back to the furnace for re-calcination, improving the utilization rate of soda ash; and through devices such as the anti-alkali screw conveyor, the return-alkali speed-regulating star device, the return-alkali scraper conveyor and the aggregate scraper conveyor, the by-product return-alkali during the calcination process is effectively collected and processed, further improving the recovery rate of soda ash. Description of the Drawings
[0021] Figure 1 It is a structural diagram of a calciner for reducing the loss of soda ash during the calcination process of a light ash furnace proposed by the utility model;
[0022] Figure 2 It is a structural schematic diagram of a calciner for reducing the loss of soda ash during the calcination process of a light ash furnace proposed by the utility model.
[0023] Legend Explanation:
[0024] 1. Steam condensate transfer pipe; 2. Condensate storage tank; 3. Mains electricity; 4. Alkali discharge screw conveyor; 5. Feeder 1; 6. Calciner; 7. Anti-alkali overflow seal 2; 8. Bump; 9. Heating pipe 1; 10. Heating pipe 2; 11. Heating pipe 3; 12. Discharge port; 13. Anti-alkali overflow seal 1; 14. Feeder 2; 15. Feed pipe; 16. Light soda ash conveyor; 17. Soda ash conveyor; 18. Reverse alkali screw conveyor; 19. Alkali dust screw conveyor; 20. Cyclone separator; 21. Discharge pipe; 22. Reverse alkali speed control star device; 23. Hot alkali solution tower; 24. Furnace gas horizontal pipe; 25. Aggregate scraper conveyor; 26. Reverse alkali scraper conveyor. Detailed implementation manners
[0025] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.
[0026] Refer to Figure 1-2, an embodiment provided by the present utility model: a calciner for reducing the loss of soda ash during the calcination process of a light ash furnace, comprising a calciner 6, the calciner 6 is fixedly connected with a convex block 8, the convex block 8 is fixedly connected with an anti-alkali leakage seal II 7, the anti-alkali leakage seal II 7 is fixedly connected with a feeder I 5, the feeder I 5 is fixedly connected with an alkali discharge screw conveyor 4, the anti-alkali leakage seal II 7 is fixedly connected with a steam condensate conveying pipe 1, the steam condensate conveying pipe 1 is fixedly connected with a condensate storage tank 2, the anti-alkali leakage seal II 7 is fixedly connected with a self-powered electricity 3, the calciner 6 is fixedly connected with a heating pipe I 9, the calciner 6 is fixedly connected with a heating pipe II 10, the calciner 6 is fixedly connected with a heating pipe III 11, the calciner 6 is fixedly connected with a discharge port 12, the discharge port 12 is fixedly connected with a feeder II 14, the discharge port 12 is fixedly connected with a feeder III, the feeder III is fixedly connected with a feed pipe 15, the anti-alkali leakage seal II 7 is provided with an anti-alkali leakage seal I 13 at one end, the feeder III is provided with a heavy soda ash small belt conveyor 16, the heavy soda ash small belt conveyor 16 is provided with a heavy soda ash conveyor 17, the discharge pipe 21 is provided with an anti-alkali screw conveyor 18, the anti-alkali screw conveyor 18 is fixedly connected with a return alkali speed regulating star device 22, the return alkali speed regulating star device 22 is fixedly connected with an anti-alkali scraper conveyor 26, the anti-alkali scraper conveyor 26 is fixedly connected with an aggregate scraper conveyor 25, the anti-alkali screw conveyor 18 is fixedly connected with an alkali dust screw conveyor 19, the alkali dust screw conveyor 19 is fixedly connected with a cyclone separator 20, the cyclone separator 20 is fixedly connected with a hot alkali liquor tower 23, and the hot alkali liquor tower 23 is fixedly connected with a furnace gas horizontal pipe 24.
[0027] Working principle: The raw materials are fed into the feed pipe 15 through the heavy soda ash conveyor 17 and the heavy soda ash small belt conveyor 16, and enter the calciner 6 through the discharge port 12. The calciner heats the raw materials through the heating pipe I 9, the heating pipe II 10 and the heating pipe III 11 of the calciner, and then enters the anti-alkali leakage seal II 7 through the convex block 8. The anti-alkali leakage seal II 7 enters the feeder I 5, and the feeder I 5 enters the aggregate scraper conveyor 25 through the anti-alkali scraper conveyor 26. The self-powered electricity enters the steam condensate conveying pipe 1 through the anti-alkali leakage seal II 7, and the steam condensate conveying pipe 1 enters the condensate storage tank. The calciner feeds the calcined raw materials into the discharge port 12, enters the discharge pipe 21 from the discharge port 12, and the discharge pipe 21 goes from the cyclone separator 20 to the hot alkali liquor tower 23, and the hot alkali liquor tower 23 goes to the furnace gas horizontal pipe. The separated by the cyclone separator 20 enters the alkali dust screw conveyor 19, enters the return alkali speed regulating star device 22 through the anti-alkali scraper conveyor 26, and the return alkali speed regulating star device 22 enters the anti-alkali screw conveyor 18.
[0028] Finally, it should be noted that the above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A calciner for reducing the loss of soda ash during the calcination process of a light ash furnace, comprising a calciner (6), characterized in that: The calciner (6) is fixedly connected with a convex block (8), the convex block (8) is fixedly connected with an anti-alkali leakage seal II (7), the anti-alkali leakage seal II (7) is fixedly connected with a feeder I (5), the feeder I (5) is fixedly connected with an alkali discharge screw conveyor (4), the anti-alkali leakage seal II (7) is fixedly connected with a steam condensate conveying pipe (1), the steam condensate conveying pipe (1) is fixedly connected with a condensate storage tank (2), and the anti-alkali leakage seal II (7) is fixedly connected with a self-powered electricity (3).
2. The calciner for reducing the loss of soda ash during the calcination process of the light ash furnace according to claim 1, wherein: The calciner (6) is fixedly connected with a heating pipe I (9), the calciner (6) is fixedly connected with a heating pipe II (10), the calciner (6) is fixedly connected with a heating pipe III (11), and the calciner (6) is fixedly connected with a discharge port (12).
3. The calciner for reducing the loss of soda ash during the calcination process of the light ash furnace according to claim 2, wherein: The discharge port (12) is fixedly connected with a feeder II (14), the discharge port (12) is fixedly connected with a feed pipe (15), and an anti-alkali leakage seal (13) is provided at the end of the anti-alkali leakage seal II (7).
4. A calciner for reducing the loss of soda ash during the calcination process of a light ash furnace, characterized in that: A light soda ash belt conveyor (16) is provided on the feed pipe (15), and a soda ash conveyor (17) is provided on the light soda ash belt conveyor (16).
5. A calciner for reducing the loss of soda ash during the calcination process of a light ash furnace, characterized in that: An anti-alkali screw conveyor (18) is provided on the feed pipe (15), and a return-alkali speed-regulating star device (22) is fixedly connected to the anti-alkali screw conveyor (18).
6. A calciner for reducing the loss of soda ash during the calcination process of a light ash furnace, characterized in that: The return-alkali speed-regulating star device (22) is fixedly connected with an anti-alkali scraper conveyor (26), and the anti-alkali scraper conveyor (26) is fixedly connected with an aggregate scraper conveyor (25).
7. A calciner for reducing the loss of soda ash during the calcination process of a light ash furnace, characterized in that: An alkali dust screw conveyor (19) is fixedly connected to the anti-alkali screw conveyor (18), a cyclone separator (20) is fixedly connected to the alkali dust screw conveyor (19), the cyclone separator (20) is fixedly connected with a hot alkali solution tower (23), and the hot alkali solution tower (23) is fixedly connected with a furnace gas horizontal pipe (24).