Triamine input buffering tool and system for molten melamine dissolver

Abstract

The utility model provides a triamine input buffering tool and a triamine input buffering system for a molten melamine dissolver, and the triamine input buffering tool for the molten melamine dissolver comprises a conical connecting pipe, a large opening of the conical connecting pipe is connected with a triamine input opening in the molten melamine dissolver, and a small opening of the conical connecting pipe is connected with a triamine output opening in the triamine conveying pipe. Comprising a molten melamine dissolver, a triamine transmission pipe and a triamine input buffer tool for the molten melamine dissolver. According to the molten melamine dissolver, the safety of the molten melamine dissolver can be improved, the later maintenance difficulty of the molten melamine dissolver is reduced, and meanwhile, the probability of safety accidents of the molten melamine dissolver is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of melamine melter, in particular to a triamine input buffer tooling and system for a melamine melter. Background Art

[0002] When melamine is input into the melamine melter from the triamine input port on the existing melamine melter, the melamine will scour and corrode the triamine input port and the equipment inside the melamine melter, resulting in the thinning of the side walls of the triamine input port and the equipment inside the melamine melter, reducing the safety of the melamine melter. This will not only increase the difficulty of later maintenance of the melamine melter, but also cause safety accidents. Content of the Utility Model

[0003] In view of the above-mentioned technical problems, a triamine input buffer tooling and system for a melamine melter are provided. The utility model can improve the safety of the melamine melter, reduce the difficulty of later maintenance of the melamine melter, and at the same time reduce the probability of safety accidents occurring in the melamine melter. The technical means adopted by the utility model are as follows:

[0004] In a first aspect, a triamine input buffer tooling for a melamine melter includes a tapered adapter for connecting the triamine input port on the melamine melter to the triamine output port on the triamine transfer pipe; the large end of the tapered adapter is connected to the triamine input port on the melamine melter, and the small end of the tapered adapter is connected to the triamine output port on the triamine transfer pipe.

[0005] Further, a double corrosion and wear resistant structure is provided on the inner side wall of the tapered adapter; the double corrosion and wear resistant structure includes a wear-resistant surfacing layer and an anti-corrosion lining. The wear-resistant surfacing layer is laid on the inner side wall of the tapered adapter, and the anti-corrosion lining is laid on the side of the wear-resistant surfacing layer away from the tapered adapter.

[0006] Further, a first screw hole is provided at one end of the anti-corrosion lining close to the small end of the tapered adapter, a second screw hole corresponding to the first screw hole is provided at the small end of the tapered adapter, a third screw hole is provided at one end of the anti-corrosion lining close to the large end of the tapered adapter, and a fourth screw hole corresponding to the third screw hole is provided at the large end of the tapered adapter; it further includes a first bolt and a second bolt. The first bolt can be threadedly engaged with the first screw hole and the second screw hole at the same time, and the second bolt can be threadedly engaged with the third screw hole and the fourth screw hole at the same time.

[0007] Further, the triamine outlet on the triamine transfer pipe is connected to the small end of the tapered adapter through a corrosion-resistant ring; both sides of the corrosion-resistant ring along its axial direction are respectively connected to the triamine outlet on the triamine transfer pipe and the small end of the tapered adapter.

[0008] Further, the material of the corrosion-resistant ring is Hastelloy.

[0009] Further, it further includes an impact baffle; the impact baffle is installed on the outer side wall of the circulating liquid inlet pipe in the molten melamine dissolver opposite to the large end of the tapered adapter.

[0010] In a second aspect, a triamine input buffer system for a molten melamine dissolver includes a molten melamine dissolver and a triamine transfer pipe. The molten melamine dissolver is provided with a triamine inlet and a circulating liquid inlet. The triamine inlet is opposite to the circulating liquid inlet. A circulating liquid inlet pipe is installed in the circulating liquid inlet. It further includes the triamine input buffer tooling for a molten melamine dissolver according to any one of the first aspect. The large end of the tapered adapter in the triamine input buffer tooling for a molten melamine dissolver is connected to the triamine inlet on the molten melamine dissolver, and the small end of the tapered adapter in the triamine input buffer tooling for a molten melamine dissolver is connected to the triamine outlet on the triamine transfer pipe.

[0011] The utility model has the following advantages:

[0012] 1. In the utility model, melamine enters the tapered adapter from the small end of the tapered adapter, flows towards the large end of the tapered adapter, and then is input into the molten melamine dissolver from the large end of the tapered adapter. The tapered structure of the tapered adapter can slow down the erosion degree and impact force when melamine is input into the molten melamine dissolver, reduce the wear of the side wall of the triamine inlet and the side wall of the equipment in the molten melamine dissolver when melamine is input into the molten melamine dissolver, improve the safety of the molten melamine dissolver, reduce the difficulty of later maintenance of the molten melamine dissolver, and at the same time reduce the probability of safety accidents occurring in the molten melamine dissolver.

[0013] 2. In the utility model, the double corrosion-resistant and wear-resistant structure including the wear-resistant surfacing layer and the anti-corrosion lining provided on the inner side wall of the tapered adapter can improve the wear resistance and corrosion resistance of the tapered adapter, thereby improving the service life of the tapered adapter.

[0014] 3. In the present utility model, one end of the anti-corrosion lining near the small opening of the conical nozzle is detachably connected to the small opening of the conical nozzle through the first screw hole, the second screw hole and the first bolt, and one end of the anti-corrosion lining near the large opening of the conical nozzle is detachably connected to the large opening of the conical nozzle through the third screw hole, the fourth screw hole and the second bolt, which facilitates the disassembly, maintenance and repair of the conical nozzle.

[0015] 4. In the present utility model, the melamine output port on the melamine transfer pipe is connected to the small opening of the conical nozzle through a corrosion-resistant ring, which can prevent the connection between the melamine output port and the small opening of the conical nozzle from being corroded by melamine.

[0016] 5. In the present utility model, the material of the corrosion-resistant ring is Hastelloy, and Hastelloy has strong corrosion resistance.

[0017] 6. In the present utility model, an impact protection baffle is installed on the outer side wall of the circulating liquid input pipe in the molten melamine dissolver opposite to the large opening of the conical nozzle, which can protect the outer side wall of the circulating liquid input pipe opposite to the large opening of the conical nozzle from the impact and corrosion of melamine. Description of the Drawings

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0019] Figure 1 It is the overall structure diagram of the conical nozzle in the triamine input buffer tooling for a molten melamine dissolver in Embodiment 1 of the present utility model;

[0020] Figure 2 For Figure 1 The partial enlarged view at A in;

[0021] Figure 3 It is the overall structure diagram of the triamine input buffer system for a molten melamine dissolver in Embodiment 1 of the present utility model;

[0022] Reference numerals: 1 - corrosion-resistant ring; 2 - conical nozzle; 3 - wear-resistant surfacing layer; 4 - anti-corrosion lining; 5 - first bolt; 6 - second bolt; 7 - impact protection baffle; 8 - molten melamine dissolver; 9 - circulating liquid input pipe. Detailed Embodiments

[0023] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Apparently, the described embodiments are some, but not all, of the embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1:

[0025] As Figure 1 shown, a triamine input buffer tooling for a molten melamine dissolver includes a tapered adapter 2 for connecting the triamine input port on the molten melamine dissolver 8 and the triamine output port on the triamine transfer pipe; the large mouth of the tapered adapter 2 is connected to the triamine input port on the molten melamine dissolver 8, and the small mouth of the tapered adapter 2 is connected to the triamine output port on the triamine transfer pipe.

[0026] Melamine enters the tapered adapter 2 from the small mouth of the tapered adapter 2, flows towards the large mouth of the tapered adapter 2, and then is input into the molten melamine dissolver 8 from the large mouth of the tapered adapter 2. The tapered structure of the tapered adapter 2 can slow down the erosion degree and impact force when melamine is input into the molten melamine dissolver 8, reduce the wear of the side wall of the triamine input port and the side wall of the equipment inside the molten melamine dissolver 8 when melamine is input into the molten melamine dissolver 8, improve the safety of the molten melamine dissolver 8, reduce the difficulty of later maintenance of the molten melamine dissolver 8, and at the same time reduce the probability of safety accidents occurring in the molten melamine dissolver 8.

[0027] In this embodiment, a double corrosion and wear resistant structure is provided on the inner side wall of the tapered adapter 2; the double corrosion and wear resistant structure includes a wear-resistant surfacing layer 3 and an anti-corrosion lining 4. The wear-resistant surfacing layer 3 is laid on the inner side wall of the tapered adapter 2, and the anti-corrosion lining 4 is laid on the side of the wear-resistant surfacing layer 3 away from the tapered adapter 2.

[0028] The double corrosion and wear resistant structure including the wear-resistant surfacing layer 3 and the anti-corrosion lining 4 provided on the inner side wall of the tapered adapter 2 can improve the wear resistance and corrosion resistance of the tapered adapter 2, thereby improving the service life of the tapered adapter 2.

[0029] In this embodiment, as Figure 1 and Figure 2As shown, a first screw hole is provided at one end of the anti-corrosion lining 4 near the small opening of the tapered nozzle 2, a second screw hole corresponding to the first screw hole is provided at the small opening of the tapered nozzle 2, a third screw hole is provided at one end of the anti-corrosion lining 4 near the large opening of the tapered nozzle 2, and a fourth screw hole corresponding to the third screw hole is provided at the large opening of the tapered nozzle 2; further included are a first bolt 5 and a second bolt 6, the first bolt 5 can be threadedly engaged with the first screw hole and the second screw hole simultaneously, and the second bolt 6 can be threadedly engaged with the third screw hole and the fourth screw hole simultaneously.

[0030] Specifically, the first screw holes are uniformly distributed along the circumferential direction of the anti-corrosion lining 4 and several are provided, the second screw holes are uniformly distributed along the circumferential direction of the tapered nozzle 2 and several are provided, the number of the first screw holes is the same as that of the second screw holes and they correspond one by one, and the number of the first bolts 5 is the same as that of the first screw holes and they correspond one by one.

[0031] Specifically, the third screw holes are uniformly distributed along the circumferential direction of the anti-corrosion lining 4 and several are provided, the fourth screw holes are uniformly distributed along the circumferential direction of the tapered nozzle 2 and several are provided, the number of the third screw holes is the same as that of the fourth screw holes and they correspond one by one, and the number of the second bolts 6 is the same as that of the third screw holes and they correspond one by one.

[0032] One end of the anti-corrosion lining 4 near the small opening of the tapered nozzle 2 and the small opening of the tapered nozzle 2 are detachably connected together through the first screw hole, the second screw hole and the first bolt 5, and one end of the anti-corrosion lining 4 near the large opening of the tapered nozzle 2 and the large opening of the tapered nozzle 2 are detachably connected together through the third screw hole, the fourth screw hole and the second bolt 6, which facilitates the disassembly, maintenance and repair of the tapered nozzle 2.

[0033] In this embodiment, the triamine outlet on the triamine transfer pipe and the small opening of the tapered nozzle 2 are connected together through the corrosion-resistant ring 1; both sides of the corrosion-resistant ring 1 along its axial direction are respectively connected to the triamine outlet on the triamine transfer pipe and the small opening of the tapered nozzle 2.

[0034] The triamine outlet on the triamine transfer pipe and the small opening of the tapered nozzle 2 are connected together through the corrosion-resistant ring 1, which can prevent the connection between the triamine outlet and the small opening of the tapered nozzle 2 from being corroded by melamine.

[0035] In this embodiment, the material of the corrosion-resistant ring 1 is Hastelloy; among them, Hastelloy has strong corrosion resistance.

[0036] In this embodiment, as Figure 3 shown, further included is an anti-impingement baffle 7; the anti-impingement baffle 7 is installed on the outer side wall of the circulation liquid input pipe 9 in the molten melamine dissolver 8 opposite to the large opening of the tapered nozzle 2.

[0037] An impact-proof baffle 7 is installed on the outer wall of the circulating liquid input pipe 9 in the molten melamine dissolver 8 that faces the large opening of the tapered connection pipe 2, which can protect the outer wall of the circulating liquid input pipe 9 that faces the large opening of the tapered connection pipe 2 from the impact and corrosion of melamine.

[0038] Embodiment 2

[0039] As Figure 3 shown, a triamine input buffer system for a molten melamine dissolver includes a molten melamine dissolver 8 and a triamine transfer pipe. The molten melamine dissolver 8 is provided with a triamine input port and a circulating liquid input port, the triamine input port is opposite to the circulating liquid input port, a circulating liquid input pipe 9 is installed in the circulating liquid input port, and it further includes the triamine input buffer tooling for the molten melamine dissolver described in any one of Embodiment 1. The large opening of the tapered connection pipe 2 in the triamine input buffer tooling for the molten melamine dissolver is connected to the triamine input port on the molten melamine dissolver 8, and the small opening of the tapered connection pipe 2 in the triamine input buffer tooling for the molten melamine dissolver is connected to the triamine output port on the triamine transfer pipe.

[0040] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some or all of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A triamine input buffer tool for a molten melamine dissolver, characterized in that: It comprises a conical pipe (2) for connecting a triamine input port on a molten melamine dissolver (8) and a triamine output port on a triamine transmission pipe; The large opening of the conical pipe (2) is connected to the triamine input port on the molten melamine dissolver (8), and the small opening of the conical pipe (2) is connected to the triamine output port on the triamine transmission pipe.

2. The triamine input buffer tooling for a molten melamine dissolver according to claim 1, characterized in that: The inner wall of the conical pipe (2) is provided with a double corrosion-resistant and wear-resistant structure; The dual corrosion-resistant and wear-resistant structure comprises a wear-resistant cladding layer (3) and an anti-corrosion lining (4), wherein the wear-resistant cladding layer (3) is laid on the inner side wall of the conical nozzle (2), and the anti-corrosion lining (4) is laid on the side of the wear-resistant cladding layer (3) away from the conical nozzle (2).

3. The triamine input buffer tool for a molten melamine dissolver according to claim 2, characterized in that: A first screw hole is provided on one end of the anti-corrosion lining (4) close to the small opening of the conical pipe (2), a second screw hole corresponding to the first screw hole is provided on the small opening of the conical pipe (2), a third screw hole is provided on one end of the anti-corrosion lining (4) close to the large opening of the conical pipe (2), and a fourth screw hole corresponding to the third screw hole is provided on the large opening of the conical pipe (2); It also includes a first bolt (5) and a second bolt (6), wherein the first bolt (5) can be threadedly matched with the first screw hole and the second screw hole at the same time, and the second bolt (6) can be threadedly matched with the third screw hole and the fourth screw hole at the same time.

4. The triamine input buffer tooling for a molten melamine dissolver according to claim 1, characterized in that: The triamine output port on the triamine transmission pipe is connected to the small port of the conical connecting pipe (2) through a corrosion-resistant ring (1); The two sides of the corrosion-resistant ring (1) along its axial direction are respectively connected to the triamine output port on the triamine transmission pipe and the small port of the conical connecting pipe (2).

5. The triamine input buffer tool for a molten melamine dissolver according to claim 4, characterized in that: The material of the corrosion-resistant ring (1) is Hastelloy.

6. The triamine input buffer tool for a molten melamine dissolver according to claim 1, characterized in that: Also includes an anti-collision baffle (7); The anti-collision baffle (7) is installed on the outer side wall of the circulating liquid inlet pipe (9) in the molten melamine dissolver (8) opposite to the large opening of the conical pipe (2).

7. A triamine input buffer system for a molten melamine dissolver, comprising a molten melamine dissolver (8) and a triamine transmission pipe, wherein the molten melamine dissolver (8) is provided with a triamine input port and a circulating liquid input port, wherein the triamine input port is opposite to the circulating liquid input port, and a circulating liquid input pipe (9) is installed in the circulating liquid input port, characterized in that: It also comprises the triamine input buffer tooling for a molten melamine dissolver as claimed in any one of claims 1 to 6, wherein the large mouth of the conical pipe (2) in the triamine input buffer tooling for a molten melamine dissolver is connected to the triamine input port on the molten melamine dissolver, and the small mouth of the conical pipe (2) in the triamine input buffer tooling for a molten melamine dissolver is connected to the triamine output port on the triamine transmission pipe.

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