Leak-proof safety type chemical raw material transportation pipeline

Abstract

The utility model relates to the technical field of chemical pipelines, in particular to a leakproof safety type chemical raw material transportation pipeline which comprises a pipe body, the pipe body comprises an inner layer and an outer layer, a gap is formed between the inner layer and the outer layer, the inner layer and the outer layer are connected through a supporting frame, the inner layer comprises a corrosion-resistant layer and a leakproof layer, the outer layer comprises a sealing layer and a buffering layer, and connecting pieces are installed at the two ends of the pipe body; the connecting piece comprises a first fixing ring and a second fixing ring which are distributed at the two ends of the pipe body, a sealing protruding ring is arranged at the end of the first fixing ring, and sealing inserting grooves are formed in the end of the sealing protruding ring and the end of the second fixing ring for matched sealing. By arranging the double-layer pipe body and the connecting piece with the double sealing rings, the stability of connection between the pipe bodies and the safety in the chemical raw material conveying process are improved.

Description

Technical Field

[0001] The present application relates to the technical field of chemical pipelines, and in particular to a leak-proof and safe chemical raw material transportation pipeline. Background Art

[0002] There are many kinds of chemical raw materials, and their uses are very wide. There are 5 to 7 million kinds of chemicals in the world, and more than 100,000 kinds of chemicals are sold and circulated in the market. In addition, more than 1,000 new chemicals are introduced every year, and 150 to 200 of them are considered to be carcinogens. Chemical raw materials can generally be divided into two categories: organic chemical raw materials and inorganic chemical raw materials. Organic chemical raw materials can be divided into alkanes and their derivatives, alkenes and their derivatives, alkynes and their derivatives, quinones, aldehydes, alcohols, ketones, phenols, ethers, anhydrides, esters. Chemical raw materials include organic acids, carboxylates, carbohydrates, heterocyclics, nitriles, halides, amine acyl and other types; inorganic chemical raw materials mainly include chemical minerals containing sulfur, sodium, phosphorus, potassium, calcium, coal, oil, natural gas, air, water, etc.; in addition, by-products and wastes of many industrial sectors are also raw materials for inorganic chemicals, for example: the ammonia contained in the coke oven gas in the coking production process of the steel industry can be recovered by sulfuric acid to make ammonium sulfate, and the sulfur dioxide in the smelting waste gas of chalcopyrite, galena and sphalerite can be used to produce sulfuric acid, etc.

[0003] Most chemical raw materials have pungent odors and are toxic and carcinogenic, which places high demands on the sealing of pipelines used to transport chemical raw materials to prevent leakage, which can cause immeasurable losses and harm. Sufficient sealing protection is required in the pipeline itself, especially at the connection of the pipeline, to ensure the normal transportation of chemical raw materials and avoid the problem of raw material leakage, so as to ensure safe transportation. Therefore, a safe and leak-proof pipeline for transporting chemical raw materials is urgently needed. Utility Model Content

[0004] In order to overcome the problems existing in the prior art, the present application provides a leak-proof and safe chemical raw material transportation pipeline.

[0005] The present application provides a leak-proof and safe chemical raw material transportation pipeline that adopts the following technical solution:

[0006] A leak-proof and safe chemical raw material transportation pipeline comprises a pipe body, wherein the pipe body comprises an inner layer and an outer layer, and a gap is provided between the inner layer and the outer layer and the pipe body is connected through a support frame, wherein the inner layer comprises a corrosion-resistant layer and an anti-leakage layer, and the outer layer comprises a sealing layer and a buffer layer, and connectors are installed at both ends of the pipe body; the connectors comprise a first fixing ring and a second fixing ring distributed at both ends of the pipe body, wherein a sealing convex ring is provided at the end of the first fixing ring, and a sealing slot is provided at the end of the sealing convex ring and the end of the second fixing ring for cooperative sealing.

[0007] By adopting the above technical solution, an inner layer and an outer layer with a gap in the middle are arranged in the pipe body, wherein the inner side is in direct contact with the chemical raw material by arranging a corrosion-resistant layer, thereby improving the corrosion resistance of the pipe body, and an anti-leakage layer is also arranged in the inner layer to improve the overall sealing performance of the inner layer pipe body. The outer layer can reduce the damage to the pipe body caused by external force impact through the outer buffer layer, and a sealing layer is arranged inside the buffer layer, and the sealing layer cooperates with the anti-leakage layer to improve the overall sealing performance of the pipe body. The first fixing ring and the second fixing ring of the connecting piece are respectively arranged at both ends of the pipeline, wherein the sealing convex ring at the end of the first fixing ring can cooperate with the sealing slot on the second fixing ring to connect and seal, thereby facilitating the sealed connection between the pipe bodies.

[0008] Preferably, a detection probe is installed in the gap between the inner layer and the outer layer, and an alarm connected to the signal thereof is provided on the connecting piece.

[0009] By adopting the above technical solution, the detection probe arranged in the gap between the inner layer and the outer layer can be used to monitor the chemical gas leaking from the inner layer and sound an alarm through the alarm so as to replace the tube body in time.

[0010] Preferably, the outer ring of the end of the sealing convex ring is provided with an external thread, and a corresponding internal thread is provided in the sealing slot, and a ring-shaped sealing groove is provided on the inner side of the external thread, and the sealing groove is used to place the sealing ring, and a corresponding sealing groove is provided in the sealing slot.

[0011] By adopting the above technical solution, the external thread of the outer ring at the end of the sealing convex ring is matched with the internal thread in the sealing slot, and a sealing ring is installed in the sealing groove inside the external thread and the internal thread to seal the connection between the sealing convex ring and the sealing slot.

[0012] Preferably, an annular protrusion is integrally connected to the first fixing ring on all sides, and the annular protrusion is adapted to the annular slot on the end face of the second fixing ring, wherein a corresponding sealing groove for placing a sealing ring is provided between the side surface of the annular protrusion and the side surface of the annular slot.

[0013] By adopting the above technical solution, the annular protrusion cooperates with the annular slot, and a sealing ring is also arranged in the sealing groove between the two, so as to further improve the sealing performance of the connection between the first fixing ring and the second fixing ring.

[0014] Preferably, the annular protrusion and the outer circumferential array of the second fixing ring have threaded through holes, and the ends of the threaded through holes of the second fixing ring are provided with placement grooves, wherein the threaded through holes are provided on the side of the sealing ring away from the first fixing ring.

[0015] Preferably, the inner side of the screw rod meshed in the threaded through hole is threadedly connected to the thread sleeve, wherein the outer side of the screw rod is threadedly connected to the nut in the placement groove, and wherein the thread sleeve is rotatably connected to the second fixing ring.

[0016] Preferably, a ring gear is rotatably connected to the inner side of the second fixed ring, wherein the helical gear on the outer side of the ring gear meshes with the helical gear at the end of the thread sleeve for transmission.

[0017] Preferably, a handle is installed on the outer side of the ring gear.

[0018] By adopting the above technical solution, a screw rod is inserted into the threaded through hole provided on the annular protrusion and the second fixing ring, and the screw rod penetrates the threaded through hole during the rotation of the thread sleeve to achieve the fixing of the annular protrusion in the second fixing ring, and a placement groove for placing a nut is provided on the outside of the threaded through hole, and the nut located in the placement groove can be fixed with the screw rod. The thread sleeve is rotatably connected with the second fixing ring, and the thread sleeve can drive the movement of the screw rod during the rotation process to achieve the locking and unlocking of the annular protrusion of the first fixing ring and the annular slot of the second fixing ring, and the helical gear on the side of the thread sleeve is meshed with the helical gear on the annular gear for transmission, and the operator drives the annular gear to rotate inside the second fixing ring through the handle on the outside of the annular gear to drive the rotation of the thread sleeve.

[0019] In summary, the present application includes at least one of the following beneficial technical effects:

[0020] 1. The present application improves the stability of the connection between the pipe bodies and the safety during the transportation of chemical raw materials by providing a double-layer pipe body and a connector with a double sealing ring;

[0021] 2. The detection probe provided in the gap between the inner layer and the outer layer of the tube body in the present application can be used to monitor the chemical gas leaking from the inner layer and sound an alarm through an alarm so as to replace the tube body in time. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is a schematic diagram of the connection structure of a leak-proof and safe chemical raw material transportation pipeline;

[0023] Figure 2 It is an exploded diagram of a leak-proof and safe chemical raw material transportation pipeline connection structure;.

[0024] Figure 3 It is an exploded view of the other side of a leak-proof and safe chemical raw material transportation pipeline connection structure;

[0025] Figure 4 yes Figure 3 A magnified image of point A;

[0026] Figure 5 It is a top view of a leak-proof and safe chemical raw material transportation pipeline connection structure;

[0027] Figure 6 yes Figure 5 Middle AA section;

[0028] Figure 7 yes Figure 6 Enlarged view of point B in the middle.

[0029] Explanation of the accompanying drawings: 1. Tube body; 11. Inner layer; 111. Corrosion-resistant layer; 112. Anti-leakage layer; 12. Outer layer; 121. Sealing layer; 122. Buffer layer; 13. Support frame; 14. Detection probe; 15. Alarm; 2. Connector; 21. First fixing ring; 211. Sealing convex ring; 212. External thread; 213. Sealing groove; 214. Annular protrusion; 22. Second fixing ring; 221. Sealing slot; 222. Internal thread; 223. Annular slot; 3. Threaded through hole; 31. Placement slot; 4. Screw rod; 41. Thread sleeve; 42. Nut; 5. Ring gear; 51. Bevel gear; 6. Handle. DETAILED DESCRIPTION

[0030] The following is combined with Figure 1-7 This application is described in further detail.

[0031] The embodiment of the present application discloses a leak-proof and safe chemical raw material transportation pipeline.

[0032] Reference Figure 1-Figure 7 A leak-proof and safe chemical raw material transportation pipeline comprises a pipe body 1, the pipe body 1 comprises an inner layer 11 and an outer layer 12, and a gap is provided between the inner layer 11 and the outer layer 12 and connected by a support frame 13, wherein the inner layer 11 comprises a corrosion-resistant layer 111 and a leak-proof layer 112, and the outer layer 12 comprises a sealing layer 121 and a buffer layer 122, and connectors 2 are installed at both ends of the pipe body 1; the connector 2 comprises a first fixing ring 21 and a second fixing ring 22 distributed at both ends of the pipe body 1, wherein a sealing convex ring 211 is provided at the end of the first fixing ring 21, and a sealing slot 221 is provided at the end of the sealing convex ring 211 and the end of the second fixing ring 22 for cooperation and sealing. The pipe body 1 is provided with an inner layer 11 and an outer layer 12 with a gap in the middle, wherein the inner side is directly in contact with the chemical raw material by providing the corrosion-resistant layer 111, thereby improving the corrosion resistance of the pipe body 1, and the leak-proof layer 112 is also provided in the inner layer 11 to improve the overall sealing performance of the inner layer 11 pipe body 1. The outer layer 12 can reduce the damage of the external force impact to the pipe body 1 through the outer buffer layer 122, and the sealing layer 121 is arranged inside the buffer layer 122, and the sealing layer 121 cooperates with the anti-leakage layer 112 to improve the overall sealing performance of the pipe body 1. The first fixing ring 21 and the second fixing ring 22 of the connecting member 2 are respectively arranged at both ends of the pipeline, wherein the sealing convex ring 211 at the end of the first fixing ring 21 can cooperate with the sealing slot 221 on the second fixing ring 22 for connection and sealing, so as to facilitate the sealing connection between the pipe bodies 1.

[0033] Reference Figure 1 , Figure 6 and Figure 7A detection probe 14 is also installed in the gap between the inner layer 11 and the outer layer 12, and an alarm 15 connected to the signal is provided on the connector 2. The detection probe 14 arranged in the gap between the inner layer 11 and the outer layer 12 can be used to monitor the chemical gas leaked from the inner layer 11, and alarm through the alarm 15, so as to replace the tube body 1 in time.

[0034] Reference Figure 1 , Figure 2 and Figure 3 The outer ring of the end of the sealing convex ring 211 is provided with an external thread 212, and the sealing slot 221 is provided with a corresponding internal thread 222, and the inner side of the external thread 212 is provided with an annularly distributed sealing groove 213, and the sealing groove 213 is used to place the sealing ring, and the sealing slot 221 is provided with a corresponding sealing groove 213. The external thread 212 of the outer ring of the end of the sealing convex ring 211 is matched and connected with the internal thread 222 in the sealing slot 221, and a sealing ring is installed in the sealing groove 213 inside the external thread 212 and the internal thread 222 to seal the connection between the sealing convex ring 211 and the sealing slot 221.

[0035] Reference Figure 1 , Figure 2 and Figure 3 The first fixing ring 21 is integrally connected with an annular protrusion 214 around it, and the annular protrusion 214 is adapted to the annular slot 223 on the end face of the second fixing ring 22, wherein a corresponding sealing groove 213 for placing a sealing ring is provided between the side of the annular protrusion 214 and the side of the annular slot 223. The annular protrusion 214 is matched with the annular slot 223, and a sealing ring is also provided in the sealing groove 213 between the two, so as to further improve the sealing performance of the connection between the first fixing ring 21 and the second fixing ring 22.

[0036] Reference Figure 1-Figure 7, the annular protrusion 214 and the outer circumferential array of the second fixing ring 22 have threaded through holes 3, and the end of the threaded through hole 3 of the second fixing ring 22 is provided with a placement groove 31, wherein the threaded through hole 3 is provided on the side of the sealing ring away from the first fixing ring 21. The inner side of the screw rod 4 meshed in the threaded through hole 3 is threadedly connected to the thread sleeve 41, wherein the outer side of the screw rod 4 is threadedly connected to the nut 42 in the placement groove 31, wherein the thread sleeve 41 is rotatably connected to the second fixing ring 22. The inner side of the second fixing ring 22 is rotatably connected with a ring gear 5, wherein the helical gear 51 on the outer side of the ring gear 5 is meshed and driven with the helical gear 51 at the end of the thread sleeve 41. A handle 6 is installed on the outer side of the ring gear 5. The threaded through hole 3 provided on the annular protrusion 214 and the second fixing ring 22 is penetrated by a screw rod 4, and the screw rod 4 penetrates the threaded through hole 3 during the rotation of the thread sleeve 41, so as to fix the annular protrusion 214 in the second fixing ring 22, and a placement groove 31 for placing a nut 42 is provided on the outside of the threaded through hole 3, and the nut 42 located in the placement groove 31 can be fixed with the screw rod 4. The thread sleeve 41 is rotationally connected with the second fixing ring 22, and the thread sleeve 41 can drive the movement of the screw rod 4 during the rotation process, so as to realize the locking and unlocking of the annular protrusion 214 of the first fixing ring 21 and the annular slot 223 of the second fixing ring 22, and the helical gear 51 on the side of the thread sleeve 41 meshes with the helical gear 51 on the ring gear 5 for transmission, and the operator drives the ring gear 5 to rotate inside the second fixing ring 22 through the handle 6 on the outside of the ring gear 5, so as to drive the rotation of the thread sleeve 41.

[0037] Working principle: During installation, the sealing convex ring 211 in the first fixing ring 21 at one end of the tube body 1 is screwed into the second fixing ring 22 of the tube body 1 connected thereto, and sealing rings are inserted into the two sealing grooves 213. The annular protrusion 214 on the first fixing ring 21 cooperates with the sealing slot 221 in the second fixing ring 22 and the threaded through holes 3 on both correspond. At this time, the operator drives the annular gear 5 to rotate inside the second fixing ring 22 through the handle 6 on the outside of the annular gear 5 to drive the rotation of the thread sleeve 41. The screw rod 4 penetrates the threaded through hole 3 during the rotation of the thread sleeve 41, and cooperates and fixes with the nut 42 in the placement groove 31, thereby realizing the fixation of the first fixed annular protrusion 214 in the second fixing ring 22, and completing the fixed connection between the two tube bodies 1.

[0038] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A leak-proof and safe chemical raw material transportation pipeline, characterized by: The invention comprises a tube body (1), wherein the tube body (1) comprises an inner layer (11) and an outer layer (12), wherein a gap is provided between the inner layer (11) and the outer layer (12) and the inner layer (11) and the outer layer (12) are connected via a support frame (13), wherein the inner layer (11) comprises a corrosion-resistant layer (111) and an anti-leakage layer (112), and the outer layer (12) comprises a sealing layer (121) and a buffer layer (122), and connectors (2) are installed at both ends of the tube body (1); A connecting piece (2), the connecting piece (2) comprising a first fixing ring (21) and a second fixing ring (22) distributed at both ends of a tube body (1), wherein a sealing convex ring (211) is provided at the end of the first fixing ring (21), and a sealing slot (221) is provided at the end of the sealing convex ring (211) and the end of the second fixing ring (22) for cooperation and sealing.

2. The leak-proof and safe chemical raw material transportation pipeline according to claim 1 is characterized by: A detection probe (14) is also installed in the gap between the inner layer (11) and the outer layer (12), and an alarm (15) connected to the signal thereof is provided on the connecting piece (2).

3. The leak-proof and safe chemical raw material transportation pipeline according to claim 1 is characterized by: The outer ring of the end of the sealing convex ring (211) is provided with an external thread (212), and the sealing slot (221) is provided with an internal thread (222) corresponding thereto, and the inner side of the external thread (212) is provided with an annularly distributed sealing groove (213), and the sealing groove (213) is used to place a sealing ring, and the sealing slot (221) is provided with a corresponding sealing groove (213).

4. The leak-proof and safe chemical raw material transportation pipeline according to claim 1 is characterized by: The first fixing ring (21) is integrally connected with an annular protrusion (214) on all sides, and the annular protrusion (214) is adapted to the annular slot (223) on the end face of the second fixing ring (22), wherein a corresponding sealing groove (213) for placing a sealing ring is provided between the side surface of the annular protrusion (214) and the side surface of the annular slot (223).

5. The leak-proof and safe chemical raw material transportation pipeline according to claim 4 is characterized by: The annular protrusion (214) and the outer circumferential array of the second fixing ring (22) are provided with threaded through holes (3), and the ends of the threaded through holes (3) of the second fixing ring (22) are provided with placement grooves (31), wherein the threaded through holes (3) are provided on the side of the sealing ring away from the first fixing ring (21).

6. The leak-proof and safe chemical raw material transportation pipeline according to claim 5 is characterized by: The inner side of the screw rod (4) meshed in the threaded through hole (3) is threadedly connected to the thread sleeve (41), wherein the outer side of the screw rod (4) is threadedly connected to the nut (42) in the placement groove (31), and the thread sleeve (41) is rotatably connected to the second fixing ring (22).

7. The leak-proof and safe chemical raw material transportation pipeline according to claim 6 is characterized by: The inner side of the second fixing ring (22) is rotatably connected to a ring gear (5), wherein a bevel gear (51) on the outer side of the ring gear (5) meshes with the bevel gear (51) at the end of the thread sleeve (41) for transmission.

8. The leak-proof and safe chemical raw material transportation pipeline according to claim 7 is characterized by: A handle (6) is installed on the outer side of the ring gear (5).

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