Lime nitrogen powder feeding structure capable of preventing dust from escaping
By designing a calcium cyanamide powder feeding structure that prevents dust escape, the problem of dust escape has been solved, achieving dust-free feeding, protecting the production environment and the health of operators, and improving feeding efficiency and equipment maintenance convenience.
Patent Information
- Application Number
- CN202423027738.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-09
- Publication Date
- 2025-10-28
- Estimated Expiration
- 2034-12-09
AI Technical Summary
Traditional calcium cyanide powder dispensing processes result in significant dust emissions, leading to environmental pollution and health risks for operators, making it difficult to achieve precise, efficient, and dust-free dispensing.
A calcium cyanide powder feeding structure that prevents dust from escaping is adopted, including components such as an air compressor, air delivery pipe, bottom conveying pump, threaded connector, and feeding pipe. Through sealing design and a stable support structure, it is ensured that the powder does not leak or spread during the feeding process.
It effectively reduces dust emission, lowers environmental pollution and health risks, improves feeding efficiency, and is easy to disassemble and clean, reducing maintenance difficulty and costs.
Smart Images

Figure CN223474973U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to a calcium cyanamide powder feeding structure that prevents dust from escaping, and belongs to the field of calcium cyanamide powder feeding. Background Technology
[0002] In various fields such as fertilizer production, pesticide manufacturing, and material synthesis, calcium cyanamide powder is an important raw material. Its precise, efficient, and dust-free dosing is crucial for ensuring the continuity of the production process and product quality. However, traditional methods of calcium cyanamide powder dosing face numerous challenges in practical applications.
[0003] The process of dispensing calcium cyanamide powder often involves the release of large amounts of dust. Due to its unique physical and chemical properties, such as hygroscopicity and tendency to clump, calcium cyanamide powder inevitably generates dust during dispensing. This dust not only remains suspended in the air, causing serious pollution to the production environment, but can also enter the bodies of operators through the respiratory tract, posing a potential health hazard. Long-term exposure to such a working environment may lead to occupational diseases such as respiratory illnesses and skin diseases, severely impacting their physical health and quality of life. Utility Model Content
[0004] (1) Technical problems solved
[0005] In view of the shortcomings of the existing technology, this utility model provides a calcium cyanamide powder feeding structure that prevents dust from escaping, which has the advantages of preventing dust from escaping.
[0006] (2) Technical solution
[0007] To achieve the above-mentioned purpose of preventing dust dispersion, this utility model provides the following technical solution: a calcium cyanamide powder feeding structure for preventing dust dispersion, including a base and a reaction vessel, wherein the upper surface of the base is provided with a feeding component for feeding calcium cyanamide powder into the reaction vessel;
[0008] The feeding assembly includes an air compressor fixedly connected to the upper surface of the base, an air supply pipe fixedly connected to the exhaust end of the air compressor, an air valve fixedly connected to the other end of the air supply pipe, a silo bottom conveying pump fixedly connected to the air outlet end of the air valve, a feed valve fixedly connected to the feed inlet end of the silo bottom conveying pump, a feed pipe fixedly connected to the discharge end of the silo bottom conveying pump, a first threaded connector fixedly connected to the other end of the feed pipe, a second threaded connector threaded to the other end of the first threaded connector, a connecting valve fixedly connected to the other end of the second threaded connector, and a feeding pipe fixedly connected to the discharge end of the connecting valve.
[0009] Furthermore, a bracket is fixedly connected to the outside of the bottom conveying pump, and the bracket is fixedly connected to the upper surface of the base.
[0010] Furthermore, the first threaded connector is an external threaded connector, and the second threaded connector is an internal threaded connector.
[0011] Furthermore, a support ring is rotatably connected to the outside of the feeding pipe, and the support ring is fixedly connected to the upper surface of the reactor.
[0012] Furthermore, the upper surface of the reactor is provided with a rotating hole adapted to the feeding pipe, and a rubber sealing gasket is fixedly connected to the inner wall of the rotating hole, and the feeding pipe is rotatably connected to the inner side of the rubber sealing gasket.
[0013] Furthermore, the reactor is equipped with a reaction solution, and the bottom end of the feeding pipe extends into the reaction solution.
[0014] Furthermore, a base plate is fixedly connected to the bottom of the air compressor, and the base plate is fixedly connected to the base by bolts.
[0015] (3) Beneficial effects
[0016] Compared with the prior art, this utility model provides a calcium cyanamide powder feeding structure that prevents dust dispersion, and has the following beneficial effects:
[0017] This dust-proof calcium cyanamide powder feeding structure effectively reduces dust emission during the feeding process, which not only reduces pollution to the production environment but also protects the respiratory health of operators and reduces the risk of occupational diseases caused by long-term dust inhalation. In addition, the key components of the feeding system are easy to disassemble and clean, reducing the difficulty and cost of daily maintenance. Attached Figure Description
[0018] Figure 1 This is a schematic diagram of the structure of this utility model;
[0019] Figure 2 for Figure 1 A magnified view of part A in the middle;
[0020] Figure 3 This is a front view of the present utility model;
[0021] Figure 4 This is a perspective view of the base and support in the structure of this utility model.
[0022] In the diagram: 1. Base; 2. Reactor; 3. Air compressor; 4. Gas supply pipe; 5. Gas valve; 6. Bottom conveying pump; 7. Feed valve; 8. Feed pipe; 9. First threaded connector; 10. Second threaded connector; 11. Connecting valve; 12. Feeding pipe; 13. Bracket; 14. Support ring; 15. Rubber sealing gasket; 16. Base plate. Detailed Implementation
[0023] 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.
[0024] Please see Figures 1 to 4 This utility model provides a technical solution: a calcium cyanamide powder feeding structure to prevent dust from escaping, including a base 1 and a reaction vessel 2. The upper surface of the base 1 is provided with a feeding component for feeding calcium cyanamide powder into the reaction vessel 2.
[0025] like Figure 1 As shown, the feeding assembly includes an air compressor 3 fixedly connected to the upper surface of the base 1, an air supply pipe 4 fixedly connected to the exhaust end of the air compressor 3, an air valve 5 fixedly connected to the other end of the air supply pipe 4, a silo bottom conveying pump 6 fixedly connected to the air outlet end of the air valve 5, a feed valve 7 fixedly connected to the feed inlet end of the silo bottom conveying pump 6, a feed pipe 8 fixedly connected to the discharge end of the silo bottom conveying pump 6, a first threaded connector 9 fixedly connected to the other end of the feed pipe 8, a second threaded connector 10 threadedly connected to the other end of the first threaded connector 9, a connecting valve 11 fixedly connected to the other end of the second threaded connector 10, and a feeding pipe 12 fixedly connected to the discharge end of the connecting valve 11.
[0026] It should be noted that a bracket 13 is fixedly connected to the outside of the bottom conveying pump 6. The bracket 13 provides a stable support for the bottom conveying pump 6, ensuring that it will not shake or tilt during use, thereby improving the stability of the equipment. The bracket 13 is fixedly connected to the upper surface of the base 1.
[0027] The first threaded connector 9 is an external threaded connector, and the second threaded connector 10 is an internal threaded connector. The cooperation between the external threaded connector and the internal threaded connector makes the connection tighter and effectively prevents leakage during the transportation process.
[0028] A support ring 14 is rotatably connected to the outside of the feeding pipe 12, and the support ring 14 is fixedly connected to the upper surface of the reactor 2.
[0029] The upper surface of the reactor 2 is provided with a rotating hole that is compatible with the feeding pipe 12, and a rubber sealing gasket 15 is fixedly connected to the inner wall of the rotating hole. The feeding pipe 12 is rotatably connected to the inner side of the rubber sealing gasket 15. The addition of the rubber sealing gasket 15 ensures the sealing performance between the feeding pipe 12 and the reactor 2, effectively preventing the leakage of solution or gas.
[0030] The reactor 2 is equipped with a reaction solution. The bottom end of the feeding pipe 12 extends into the reaction solution. The feeding pipe 12 is directly inserted into the reaction solution, so that the powder can be quickly surrounded and dissolved by the solution, which improves the feeding efficiency.
[0031] The bottom of the air compressor 3 is fixedly connected to a base plate 16. The addition of the base plate 16 provides a stable support for the air compressor 3, ensuring its stability during operation. The base plate 16 is fixedly connected to the base 1 by bolts, which makes the installation and disassembly of the air compressor simpler and faster.
[0032] In addition, the feed end of the feed valve 7 is connected to the hopper, and the rubber sealing gasket 15 has a certain elasticity, which can accommodate the small displacement of the feed pipe 12 during rotation.
[0033] The working principle of the above embodiments is as follows:
[0034] First, the feed valve 7 is opened, allowing the calcium cyanamide powder in the silo to enter the bottom conveying pump 6. At the same time, the air compressor 3 is started. The air compressor 3 delivers compressed air to the air valve 5 through the air supply pipe 4 connected to its exhaust end. The air valve 5 opens according to the preset control logic, allowing the compressed air to enter the bottom conveying pump 6. Under the action of the compressed air, the bottom conveying pump 6 pushes the calcium cyanamide powder. Then, the calcium cyanamide powder enters the first threaded connector 9 through the feed pipe 8. The first threaded connector 9 and the second threaded connector 10 are tightly connected by threads to ensure that the powder does not leak during the conveying process. Next, the powder continues to enter the feeding pipe 12 through the connecting valve 11. Since the bottom end of the feeding pipe 12 is deep into the solution, the powder being fed will immediately come into contact with the solution. Due to the solubility of the calcium cyanamide powder, the powder will be quickly surrounded and dissolved by the solution, thereby effectively preventing the diffusion of dust in the air.
[0035] When maintenance is required, first ensure that all equipment is in the off state. Then, rotate the second threaded connector 10 counterclockwise to separate it from the first threaded connector 9. At this time, the feed pipe 8 is separated from the connecting valve 11 and the feeding pipe 12. After that, the feeding pipe 12 can be rotated. During the rotation, the feeding pipe 12 will gradually be pulled out from the support ring 14 and the rubber sealing gasket 15 until it is completely separated, which makes it easier to clean and maintain the feeding pipe 12.
[0036] All electrical components mentioned in the text are electrically connected to the main controller and power supply. The main controller can be a conventional and known device such as a computer, and the existing publicly available power connection technology will not be elaborated in the text.
[0037] It should be noted that the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes said element.
[0038] 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 calcium cyanamide powder feeding structure for preventing dust emission, comprising a base (1) and a reaction vessel (2), characterized in that: The upper surface of the base (1) is provided with a feeding component for feeding calcium cyanamide powder into the reactor (2); The feeding assembly includes an air compressor (3) fixedly connected to the upper surface of the base (1), an air supply pipe (4) fixedly connected to the exhaust end of the air compressor (3), an air valve (5) fixedly connected to the other end of the air supply pipe (4), a silo bottom conveying pump (6) fixedly connected to the air outlet end of the air valve (5), a feed valve (7) fixedly connected to the feed inlet end of the silo bottom conveying pump (6), a feed pipe (8) fixedly connected to the discharge end of the silo bottom conveying pump (6), a first threaded connector (9) fixedly connected to the other end of the feed pipe (8), a second threaded connector (10) threadedly connected to the other end of the first threaded connector (9), a connecting valve (11) fixedly connected to the other end of the second threaded connector (10), and a feeding pipe (12) fixedly connected to the discharge end of the connecting valve (11).
2. The calcium cyanamide powder feeding structure for preventing dust dispersion according to claim 1, characterized in that: A bracket (13) is fixedly connected to the outside of the bottom conveying pump (6), and the bracket (13) is fixedly connected to the upper surface of the base (1).
3. The calcium cyanamide powder feeding structure for preventing dust dispersion according to claim 1, characterized in that: The first threaded connector (9) is an external threaded connector, and the second threaded connector (10) is an internal threaded connector.
4. The calcium cyanamide powder feeding structure for preventing dust dispersion according to claim 1, characterized in that: A support ring (14) is rotatably connected to the outside of the feeding pipe (12), and the support ring (14) is fixedly connected to the upper surface of the reactor (2).
5. The calcium cyanamide powder feeding structure for preventing dust dispersion according to claim 1, characterized in that: The upper surface of the reactor (2) is provided with a rotating hole that is compatible with the feeding pipe (12), and a rubber sealing gasket (15) is fixedly connected to the inner wall of the rotating hole, and the feeding pipe (12) is rotatably connected to the inner side of the rubber sealing gasket (15).
6. The calcium cyanamide powder feeding structure for preventing dust dispersion according to claim 1, characterized in that: The reactor (2) contains a reaction solution, and the bottom end of the feeding pipe (12) extends into the reaction solution.
7. The calcium cyanamide powder feeding structure for preventing dust dispersion according to claim 1, characterized in that: The bottom of the air compressor (3) is fixedly connected to a base plate (16), and the base plate (16) is fixedly connected to the base (1) by bolts.