Nitrogen generation device
By adopting a bidirectional connecting pipe and a multi-layer anti-corrosion structure in the nitrogen production device, the problem of time-consuming and labor-intensive connection and disassembly and short service life of the conveying pipeline in the prior art is solved, and the effect of rapid connection and disassembly and extended service life of the pipeline is achieved.
Patent Information
- Application Number
- CN202420680923.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-03
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-04-03
AI Technical Summary
The existing nitrogen production equipment is time-consuming and labor-intensive when connecting and dismantling conveying pipes, and the conveying pipes lack multi-layer anti-corrosion design, resulting in a reduced service life.
A nitrogen production device is designed, adopting a bidirectional connecting pipe and a multi-layer anti-corrosion structure. The bidirectional connecting pipe achieves rapid disassembly and connection through rotary connecting pipes and fixed pipes; the multi-layer anti-corrosion structure includes epoxy coal asphalt, PVC, polynitride, polyester and epoxy resin anti-corrosion coatings, which increases the corrosion resistance of the pipe through multi-layer bonding connections.
The rapid connection and disassembly of the nitrogen-making device is realized, reducing operating time and labor intensity; the service life of the conveying pipeline is extended through the multi-layer anti-corrosion structure and preventing corrosion and damage.
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Figure CN222559420U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of nitrogen making devices, in particular to a nitrogen making device. Background Art
[0002] Nitrogen is an important industrial raw material and is widely used in pharmaceuticals, oil refining, synthetic fibers, synthetic resins, refrigeration, metallurgy, etc. It is loaded into special cylinders or tank trucks and transported by roads and railways to various manufacturers and users to produce various products as an industrial raw material.
[0003] However, in the prior art, some nitrogen-generating devices are usually connected to external delivery pipelines by bolts during nitrogen production. When the delivery pipelines are maintained or replaced, workers are required to remove the bolts, which is time-consuming and laborious. Secondly, when transporting nitrogen-generating materials, some materials are corrosive, which will have a certain impact on the delivery pipelines during long-term transportation. However, some existing delivery pipelines lack multi-layer anti-corrosion design, which reduces their service life. Utility Model Content
[0004] The purpose of the utility model is to solve the problems existing in the prior art.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a nitrogen making device, comprising: a bottom plate, four pillars are equidistantly installed on the top of the bottom plate, a nitrogen making bin is installed on the top of the four pillars, four connecting devices are arranged on the top of the nitrogen making bin, and an anti-corrosion structure is installed inside the connecting device.
[0006] As a preferred embodiment, a discharge pipe is installed at the center of the bottom of the nitrogen production bin.
[0007] As a preferred embodiment, the connecting device includes a fixed tube and a two-way connecting tube, the outer surface of one end of the fixed tube is installed with an external thread, the inner surface of one end of the fixed tube is installed with an internal thread, both ends of the two-way connecting tube are provided with slots, one end of the two slots is installed with a sealing ring, both sides of the two slots are installed with side threads, and the internal thread of one of the two slots is sleeved with a connecting tube.
[0008] As a preferred embodiment, one side of the other one of the two slots is threadedly connected to the outer surface of the external thread, the other side of the other one of the two slots is threadedly connected to the inner surface of the internal thread, and one end of the fixed tube is fittedly connected to one side of the sealing ring.
[0009] As a preferred embodiment, the anti-corrosion structure includes an epoxy coal tar anti-corrosion coating, the inner surface of the epoxy coal tar anti-corrosion coating is fixedly embedded with a PVC adhesive coating, the inner surface of the PVC adhesive coating is fixedly embedded with a polyurethane anti-corrosion coating, the inner surface of the polyurethane anti-corrosion coating is fixedly embedded with a polyester adhesive coating, and the inner surface of the polyester adhesive coating is fixedly embedded with an epoxy resin anti-corrosion coating.
[0010] As a preferred embodiment, the outer surface of the epoxy coal tar anti-corrosion coating is fixedly embedded in the interior of the fixed pipe.
[0011] Compared with the prior art, the advantages and positive effects of the utility model are:
[0012] 1. The utility model requires a connecting structure to connect the fixed pipe and the connecting pipe when conveying the required materials to the interior of the nitrogen making warehouse, and the fixed pipe and the connecting pipe are pressed against the openings of the slots at both ends of the two-way connecting pipe, and then the external thread, the internal thread and one end of the connecting pipe are threadedly connected to the interior of the slots at both ends of the two-way connecting pipe by rotating the two-way connecting pipe, and then one end of the fixed pipe and one end of the connecting pipe are sealed at one end of the two slots by rotating the two-way connecting pipe to squeeze the sealing ring, which can be easily disassembled and connected, avoiding the phenomenon of disassembling and assembling multiple bolts during disassembly or connection and installation.
[0013] 2. In the utility model, when transmitting or transporting nitrogen and nitrogen-producing materials, there will be materials with the characteristics of corroding pipelines. The epoxy coal tar anti-corrosion coating has the anti-corrosion characteristics to perform the initial anti-corrosion treatment on the surface of the pipeline. The PVC adhesive coating has the adhesive characteristics to perform the adhesive connection treatment on the anti-corrosion coating. The polyurethane anti-corrosion coating has the anti-corrosion characteristics to further perform the anti-corrosion treatment on the surface of the pipeline. The polyester adhesive coating has the adhesive characteristics to perform the adhesive connection treatment on the anti-corrosion coating. The epoxy resin anti-corrosion coating has the anti-corrosion characteristics to perform the final anti-corrosion treatment on the surface of the pipeline. Multiple anti-corrosion layers can be bonded and connected and multi-layered for corrosion protection, which increases the service life of the pipeline and prevents the anti-corrosion layer from falling off. It also avoids the corrosion and damage of the conveying pipeline during long-term use, resulting in poor anti-corrosion effect of the pipeline and reducing the service life of the pipeline. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 This is a schematic diagram of the overall top-down stereoscopic structure of a nitrogen production device provided by the utility model;
[0015] Figure 2 This is a schematic diagram of the overall bottom-up stereoscopic structure of a nitrogen production device provided by the utility model;
[0016] Figure 3 A schematic diagram of the three-dimensional structure of a part of the connecting device of a nitrogen generating device provided by the utility model;
[0017] Figure 4 A schematic diagram of the three-dimensional structure of a two-way connecting pipe of a nitrogen generating device provided by the utility model;
[0018] Figure 5 A schematic diagram of the three-dimensional structure of the anti-corrosion structure of a nitrogen production device provided by the utility model.
[0019] Legend:
[0020] 1. Bottom plate; 2. Pillar; 3. Nitrogen making bin; 301. Discharge pipe; 4. Connecting device; 401. Fixed pipe; 402. External thread; 403. Internal thread; 404. Two-way connecting pipe; 405. Slot; 406. Sealing ring; 407. Side thread; 408. Connecting pipe; 5. Anti-corrosion structure; 501. Epoxy coal tar anti-corrosion coating; 502. PVC adhesive coating; 503. Polyurethane anti-corrosion coating; 504. Polyester adhesive coating; 505. Epoxy resin anti-corrosion coating. DETAILED DESCRIPTION
[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0022] See also Figure 1-5 The utility model provides a technical solution: a nitrogen making device, comprising: a bottom plate 1, four pillars 2 are equidistantly installed on the top of the bottom plate 1, a nitrogen making bin 3 is installed on the top of the four pillars 2, four connecting devices 4 are arranged on the top of the nitrogen making bin 3, and an anti-corrosion structure 5 is installed inside the connecting device 4.
[0023] Specifically: the pipeline is conveniently connected and disassembled through the connecting device 4, and then the anti-corrosion structure 5 is used to perform multi-layer anti-corrosion and prevent the anti-corrosion layer from falling off.
[0024] In one embodiment, a discharge pipe 301 is installed at the center of the bottom of the nitrogen making bin 3 .
[0025] Specifically, a discharge pipe 301 is installed at the bottom of the nitrogen making bin 3, which plays the role of discharge and connection.
[0026] In one embodiment, the connecting device 4 includes a fixed tube 401 and a two-way connecting tube 404, the outer surface of one end of the fixed tube 401 is installed with an external thread 402, the inner surface of one end of the fixed tube 401 is installed with an internal thread 403, both ends of the two-way connecting tube 404 are provided with slots 405, one end of the two slots 405 is installed with a sealing ring 406, both sides of the two slots 405 are installed with side threads 407, and the internal thread of one of the two slots 405 is sleeved with a connecting tube 408.
[0027] Specifically: an external thread 402 is installed at one end of the fixed tube 401, an internal thread 403 is installed at one end of the fixed tube 401, slots 405 are opened at both ends of the two-way connecting tube 404, a sealing ring 406 is installed inside the slot 405, a side thread 407 is installed inside the slot 405, and a connecting tube 408 is sleeved on the internal thread of the slot 405, which facilitates connection and disassembly.
[0028] In one embodiment, one side of the other of the two slots 405 is threadedly connected to the outer surface of the external thread 402, and the other side of the other of the two slots 405 is threadedly connected to the inner surface of the internal thread 403, and one end of the fixed tube 401 is fittedly connected to one side of the sealing ring 406.
[0029] Specifically: the internal thread of the slot 405 is connected to the outer surface of the external thread 402, the internal thread of the slot 405 is connected to the inner surface of the internal thread 403, and one end of the fixed tube 401 is connected to one side of the sealing ring 406, which plays a role of fixing and sealing.
[0030] In one embodiment, the anti-corrosion structure 5 includes an epoxy coal tar anti-corrosion coating 501, the inner surface of the epoxy coal tar anti-corrosion coating 501 is fixedly embedded with a PVC adhesive coating 502, the inner surface of the PVC adhesive coating 502 is fixedly embedded with a polyurethane anti-corrosion coating 503, the inner surface of the polyurethane anti-corrosion coating 503 is fixedly embedded with a polyester adhesive coating 504, and the inner surface of the polyester adhesive coating 504 is fixedly embedded with an epoxy resin anti-corrosion coating 505.
[0031] Specifically: the epoxy coal tar anti-corrosion coating 501 has the anti-corrosion property to perform the initial anti-corrosion treatment on the surface of the pipeline, the PVC adhesive coating 502 has the adhesive property to perform the adhesive connection treatment on the anti-corrosion coating, the polyurethane anti-corrosion coating 503 has the anti-corrosion property to perform the further anti-corrosion treatment on the surface of the pipeline, the polyester adhesive coating 504 has the adhesive property to perform the adhesive connection treatment on the anti-corrosion coating, the epoxy resin anti-corrosion coating 505 has the anti-corrosion property to perform the final anti-corrosion treatment on the surface of the pipeline, which plays the role of multi-layer anti-corrosion and preventing the anti-corrosion layer from falling off.
[0032] In one embodiment, the outer surface of the epoxy coal tar anti-corrosion coating 501 is fixedly embedded in the interior of the fixed pipe 401 .
[0033] Specifically: the outer surface of the epoxy coal tar anti-corrosion coating 501 is fixedly embedded in the interior of the fixed pipe 401, playing a role of fixing and connecting.
[0034] Working principle: When the required materials are transported to the interior of the nitrogen making warehouse 3, a connecting structure is required to connect the fixed pipe 401 and the connecting pipe 408, and the fixed pipe 401 and the connecting pipe 408 are pressed against the openings of the slots 405 at both ends of the two-way connecting pipe 404, and then the two-way connecting pipe 404 is rotated to thread the external thread 402, the internal thread 403 and one end of the connecting pipe 408 into the inside of the slots 405 at both ends of the two-way connecting pipe 404, and then one end of the fixed pipe 401 and one end of the connecting pipe 408 are sealed at one end of the two slots 405 through the rotation of the two-way connecting pipe 404. It can be easily disassembled and connected, avoiding the phenomenon of disassembling and assembling multiple bolts during disassembly or connection and installation; when transmitting or transporting nitrogen and nitrogen making materials, there will be materials. The material has the property of corroding the pipeline. The epoxy coal tar anti-corrosion coating 501 has the property of anti-corrosion and performs the initial anti-corrosion treatment on the surface of the pipeline. The PVC adhesive coating 502 has the property of adhesion and performs the bonding and connection treatment on the anti-corrosion coating. The polyurethane anti-corrosion coating 503 has the property of anti-corrosion and performs further anti-corrosion treatment on the surface of the pipeline. The polyester adhesive coating 504 has the property of adhesion and performs the bonding and connection treatment on the anti-corrosion coating. The epoxy resin anti-corrosion coating 505 has the property of anti-corrosion and performs the final anti-corrosion treatment on the surface of the pipeline. Multiple anti-corrosion layers can be bonded and connected and multi-layered for corrosion protection, which increases the service life of the pipeline and prevents the anti-corrosion layer from falling off. It also avoids the corrosion damage of the conveying pipeline during long-term use, resulting in poor anti-corrosion effect of the pipeline and reducing the service life of the pipeline.
[0035] The above description is only a preferred embodiment of the present invention and does not limit the present invention in other forms. Any technician familiar with the profession may use the technical content disclosed above to change or modify it into an equivalent embodiment with equivalent changes and apply it to other fields. However, any simple modification, equivalent change and modification made to the above embodiment based on the technical essence of the present invention without departing from the content of the technical solution of the present invention still falls within the protection scope of the technical solution of the present invention.
Claims
1. A nitrogen production device, characterized in that: include: A base plate (1), four pillars (2) are equidistantly mounted on the top of the base plate (1), a nitrogen making bin (3) is mounted on the top of the four pillars (2), a connecting device (4) is mounted on the top of the nitrogen making bin (3), and an anti-corrosion structure (5) is mounted inside the connecting device (4).
2. A nitrogen production device according to claim 1, characterized in that: A discharge pipe (301) is installed at the center of the bottom of the nitrogen production bin (3).
3. A nitrogen production device according to claim 1, characterized in that: The connecting device (4) comprises a fixed tube (401) and a bidirectional connecting tube (404); an outer surface of one end of the fixed tube (401) is provided with an outer thread (402); an inner surface of one end of the fixed tube (401) is provided with an inner thread (403); slots (405) are provided at both ends of the bidirectional connecting tube (404); a sealing ring (406) is provided at one end of the two slots (405); side threads (407) are provided on both sides of the two slots (405); and a connecting tube (408) is provided on the inner thread of one of the two slots (405).
4. A nitrogen production device according to claim 3, characterized in that: One side of the other of the two slots (405) is threadedly connected to the outer surface of the external thread (402), and the other side of the other of the two slots (405) is threadedly connected to the inner surface of the internal thread (403), and one end of the fixed tube (401) is fittedly connected to one side of the sealing ring (406).
5. A nitrogen production device according to claim 1, characterized in that: The anti-corrosion structure (5) comprises an epoxy coal tar anti-corrosion coating (501), the inner surface of the epoxy coal tar anti-corrosion coating (501) is fixedly embedded with a PVC adhesive coating (502), the inner surface of the PVC adhesive coating (502) is fixedly embedded with a polyurethane anti-corrosion coating (503), the inner surface of the polyurethane anti-corrosion coating (503) is fixedly embedded with a polyester adhesive coating (504), and the inner surface of the polyester adhesive coating (504) is fixedly embedded with an epoxy resin anti-corrosion coating (505).
6. A nitrogen production device according to claim 5, characterized in that: The outer surface of the epoxy coal tar anti-corrosion coating (501) is fixedly embedded in the interior of the fixed pipe (401).