CN219822458U - Nitrogen sealing device for storage tank - Google Patents
Nitrogen sealing device for storage tank Download PDFInfo
- Publication number
- CN219822458U CN219822458U CN202320421621.1U CN202320421621U CN219822458U CN 219822458 U CN219822458 U CN 219822458U CN 202320421621 U CN202320421621 U CN 202320421621U CN 219822458 U CN219822458 U CN 219822458U
- Authority
- CN
- China
- Prior art keywords
- storage tank
- valve
- nitrogen
- material conveying
- conveying pipeline
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 104
- 238000003860 storage Methods 0.000 title claims abstract description 69
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 52
- 238000007789 sealing Methods 0.000 title claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 36
- 239000007788 liquid Substances 0.000 claims abstract description 10
- 238000007599 discharging Methods 0.000 claims abstract description 5
- 238000009826 distribution Methods 0.000 claims description 4
- 230000001105 regulatory effect Effects 0.000 claims description 4
- 239000007789 gas Substances 0.000 description 18
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 238000004880 explosion Methods 0.000 description 5
- 239000002360 explosive Substances 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 239000007800 oxidant agent Substances 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 230000001590 oxidative effect Effects 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000008595 infiltration Effects 0.000 description 2
- 238000001764 infiltration Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000029058 respiratory gaseous exchange Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The utility model discloses a storage tank nitrogen sealing device, which belongs to the technical field of storage tank nitrogen sealing equipment, and comprises a storage tank, wherein the lower end of the storage tank is fixedly connected with a plurality of uniformly distributed supporting bases, the outer end of the storage tank is inserted with a plurality of material conveying pipelines, the outer ends of three material conveying pipelines at the upper end of the storage tank are respectively provided with a liquid inlet valve, a breather valve and a nitrogen leakage valve, the breather valve is positioned between the inner walls of the liquid inlet valve and the nitrogen leakage valve, the outer end of the material conveying pipeline at the left end of the storage tank is provided with the nitrogen inlet valve, the material conveying pipeline at the lower end of the storage tank is provided with a discharging valve, and a sealing component is arranged between the storage tank and the material conveying pipeline.
Description
Technical Field
The utility model relates to the technical field of storage tank nitrogen sealing equipment, in particular to a storage tank nitrogen sealing device.
Background
At present, the process materials used for production in the chemical industry often have inflammable and explosive properties, the whole system is required to be filled with nitrogen for replacement before production in order to safely produce, the inert environment of the system is maintained, the storage tank in the system is also required to be subjected to nitrogen sealing treatment to avoid generating an oxidant in the system so as to meet the requirement of (easily generating static and explosive) material transportation, and in the prior art, partial air (oxygen component in air) possibly enters the tank due to poor air tightness during material transportation when the materials are added into the tank, so that the phenomenon that the storage tank explodes occurs.
Disclosure of Invention
1. Technical problem to be solved
Aiming at the problems existing in the prior art, the utility model aims to provide a nitrogen sealing device for a storage tank, which ensures that the gas phase space component in the storage tank is free of oxygen component by performing nitrogen sealing treatment on the storage tank, so that the oxidant in three elements of explosion in the tank is avoided, the inert environment of the gas in the tank is maintained, and a safe operation environment is constructed so as to meet the requirements of (easily-generated static and explosive) material transportation.
2. Technical proposal
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a storage tank nitrogen seal device, includes the storage tank, a plurality of evenly distributed's of storage tank lower extreme fixedly connected with support base, a plurality of material conveying pipeline have been inserted to the outer end of storage tank, and three of storage tank upper end material conveying pipeline outer end is installed feed liquor valve, breather valve and is let out the nitrogen valve respectively, the breather valve is located between feed liquor valve, the nitrogen valve inner wall that lets out, the storage tank left end material conveying pipeline outer end is installed the nitrogen valve, and the storage tank lower extreme material conveying pipeline installs the blowing valve, be equipped with seal assembly between storage tank and the material conveying pipeline.
Further, the outer end fixedly connected with snap ring of material pipeline, the first recess has been seted up to the one end that the snap ring is close to the storage tank, the one end fixedly connected with three equiangular distribution's of snap ring is close to the storage tank fixture block, the fixture block is located the inboard of first recess, the outer end fixedly connected with inflation gasbag spare of fixture block.
Furthermore, the nitrogen inlet valve consists of a pneumatic actuator and a main valve, and the nitrogen discharge valve consists of an internal feedback pressure-opening micro-pressure regulating valve.
Further, seal assembly includes a plurality of second recesses of seting up of storage tank outer end, the through-hole has been seted up to the interior bottom wall of second recess, first draw-in groove, spout and second draw-in groove have been seted up on the inside wall of through-hole, first draw-in groove, second draw-in groove all are right angle symmetric distribution with the spout, the second draw-in groove is located the right side of first draw-in groove, and communicates each other between first draw-in groove, second draw-in groove all and the spout.
Further, a third groove is formed in the inner bottom wall of the second groove, the third groove is located at the outer side of the through hole, and a sealing ring is sleeved on the inner wall of the third groove.
3. Advantageous effects
Compared with the prior art, the utility model has the following beneficial effects:
(1) According to the utility model, the nitrogen sealing treatment is carried out on the storage tank, so that the gas phase space component in the tank is free of oxygen components, the oxidant in the tank still has three elements of explosion is avoided, the inert environment of the gas in the tank is maintained, and the safe operation environment is constructed, so that the requirements of (easily-generated static and explosive) material transportation are met.
(2) According to the utility model, the sealing assembly is arranged, so that the conveying pipeline can be more convenient and faster to install and detach, the leakage of gas is avoided when the conveying pipeline is installed in the tank, the air tightness of the conveying pipeline is enhanced when materials are conveyed, and the phenomena of gas leakage and explosion caused by oxygen entering due to aging and corrosion of the conveying pipeline during long-time use are avoided.
Drawings
FIG. 1 is a schematic view of the overall structure of the present utility model;
FIG. 2 is a schematic view of the seal assembly of the present utility model;
FIG. 3 is a schematic view of the outside of the feed conduit according to the present utility model.
The reference numerals in the figures illustrate:
1 storage tank, 2 support base, 3 material conveying pipeline, 31 snap ring, 32 first recess, 33 fixture blocks, 34 inflation gasbag spare, 4 feed liquor valve, 5 breather valve, 6 let out nitrogen valve, 7 feed nitrogen valve, 8 baiting valve, 91 second recess, 92 through-holes, 93 first draw-in groove, 94 spout, 95 third recess, 96 sealing washer, 97 second draw-in groove.
Detailed Description
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; it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments, and that all other embodiments obtained by persons of ordinary skill in the art without making creative efforts based on the embodiments in the present utility model are within the protection scope of the present utility model.
Examples:
referring to fig. 1-3, a nitrogen sealing device for a storage tank comprises a storage tank 1, wherein a plurality of evenly distributed supporting bases 2 are fixedly connected to the lower end of the storage tank 1, a plurality of material conveying pipelines 3 are inserted into the outer end of the storage tank 1, a liquid inlet valve 4, a breather valve 5 and a nitrogen leakage valve 6 are respectively arranged at the outer ends of three material conveying pipelines 3 at the upper end of the storage tank 1, the breather valve 5 is positioned between the inner walls of the liquid inlet valve 4 and the nitrogen leakage valve 6, a nitrogen inlet valve 7 is arranged at the outer end of the material conveying pipeline 3 at the left end of the storage tank 1, a discharging valve 8 is arranged at the material conveying pipeline 3 at the lower end of the storage tank 1, and a sealing component is arranged between the storage tank 1 and the material conveying pipelines 3.
The nitrogen inlet valve 7 consists of a pneumatic actuator and a main valve, and the nitrogen discharge valve 6 consists of an internal feedback pressure-opening micro-pressure regulating valve.
In the using process of the scheme, in order to ensure that the gas phase space component in the tank is free of oxygen components and the oxidizing agent in three explosion elements still exist in the tank, a safe operation environment is constructed, and the nitrogen sealing device of the storage tank in the embodiment consists of a breathing valve 5, a nitrogen leakage valve 6 and a nitrogen inlet valve 7, wherein the nitrogen inlet valve 7 consists of a pneumatic actuator and a main valve; the nitrogen leakage valve 6 consists of an internal feedback pressure-opening type micro-pressure regulating valve, gas input is precisely controlled, gas leakage and external air entering are avoided, the air tightness is enhanced, when before liquid feeding, a worker firstly closes the discharging valve 8, opens the nitrogen inlet valve 7 to feed nitrogen so as to discharge a gas phase space at the upper part in the tank through the breather valve 5, closes the breather valve 5 after a period of time, closes the nitrogen inlet valve 7, opens the liquid inlet valve 4 of the tank, when materials are added into the tank, the liquid level rises, the volume of a gas phase part is reduced, the pressure rises, when the pressure in the tank rises to be higher than the pressure set value of the nitrogen leakage valve 6, the nitrogen leakage valve 6 is opened, nitrogen is released to the outside, the pressure in the tank is reduced, and when the pressure in the tank falls to the pressure set point of the nitrogen leakage valve 6, the pressure is automatically closed; when the storage tank discharging valve 8 is opened, the liquid level in the storage tank 1 is lowered, the gas phase partial volume is increased, the pressure in the tank is lowered, the nitrogen inlet valve 7 is opened, nitrogen is injected into the storage tank, the pressure in the tank is raised to the pressure set point of the nitrogen inlet valve 7, and the tank is automatically closed, so that in the using process of the scheme, the gas and material conveying process, the closing operation is carried out through the pressure value of the gas phase space in the storage tank 1, the oxygen infiltration in the outside air is greatly avoided, the air tightness in the storage tank 1 is enhanced, the safety of workers in the operation is greatly ensured, and the phenomenon that the explosion is caused by oxygen components in the gas phase space of the storage tank 1 is not easy to occur.
Simultaneously to the phenomenon of intercommunication between conveying pipeline 3 and the storage tank 1 down, thereby to avoid producing the clearance between conveying pipeline 3 and the storage tank 1 and cause the leakage of gas or external air's entering, this scheme passes through seal assembly when conveying pipeline 3 installs, further improves the inside gas tightness of storage tank 1, avoids the phenomenon emergence that the oxygen composition led to the fact storage tank 1 to explode in the jar, and the conveying pipeline 3 of also being convenient for simultaneously is at the installation change work after wearing and tearing appear, ageing, improves its staff's dismouting efficiency.
Referring to fig. 2-3, a clamping ring 31 is fixedly connected to the outer end of the material conveying pipeline 3, a first groove 32 is formed in one end, close to the storage tank 1, of the clamping ring 31, three clamping blocks 33 distributed at equal angles are fixedly connected to one end, close to the storage tank 1, of the clamping ring 31, the clamping blocks 33 are located on the inner side of the first groove 32, and an expansion air bag piece 34 is fixedly connected to the outer end of the clamping blocks 33.
The seal assembly includes a plurality of second recesses 91 that storage tank 1 outer end was seted up, and through-hole 92 has been seted up to the interior bottom wall of second recess 91, has seted up first draw-in groove 93, spout 94 and second draw-in groove 97 on the inside wall of through-hole 92, and first draw-in groove 93, second draw-in groove 97 all are right angle symmetric distribution with spout 94, and second draw-in groove 97 is located the right side of first draw-in groove 93, and communicates each other between first draw-in groove 93, second draw-in groove 97 all and the spout 94.
This scheme is in the use, when the staff installs conveying pipeline 3 to the storage tank 1 inside, then after the clamping ring 31 inserts and establishes to be the same horizontal plane in conveying pipeline 3 and the inner wall of snap ring 31 at first, then insert conveying pipeline 3 to the inside through-hole 92 of storage tank 1 outside, make snap ring 31 get into laminating between the inner wall of second recess 91, and when snap ring 31 and the laminating of second recess 91 inner wall, the staff can realize aiming at first draw-in groove 93 with fixture block 33, so that when conveying pipeline 3 inserts and establish, fixture block 33 can get into between the inner wall of first draw-in groove 93, then after the snap ring 31 inserts and establishes to be to the storage tank 1 surface and be same horizontal plane, rotatory conveying pipeline 3, snap ring 31, make fixture block 33 by first draw-in groove 93 inner wall get into to the spout 94 inside, and when the inside of first draw-in groove 93 of 33 and to spout 94 inside slip, the pressure when its inflation gasbag piece 34 atress deformation, expand to both sides between inflation gasbag piece 34 inside, and when fixture block 33 rotates to spout 94 inside and does not carry out the effect of restoration at its back at the 3 of 3 to the clamping groove 33, thereby accomplish the convenience of the clamping ring 33 is carried out to the second personnel, the clamping groove 33 is to the expansion device is to the clamping groove 33, the slope is carried out to the 3, the device is convenient is to the expansion device is carried out to the fixture block 33.
Referring to fig. 2-3, a third groove 95 is formed in the inner bottom wall of the second groove 91, the third groove 95 is located at the outer side of the through hole 92, and a sealing ring 96 is sleeved on the inner wall of the third groove 95.
In the use of this scheme, its staff installs sealing washer 96 in the inner wall of third recess 95 in advance, when laminating locking between snap ring 31 and second recess 91 inner wall, sealing washer 96 coincides with the first recess 32 that the snap ring 31 surface was seted up to strengthen the inside gas tightness of storage tank 1 after the installation of material conveying pipeline 3, the leakage of the interior gaseous of storage tank 1 and the infiltration of external oxygen that avoid greatly.
Although embodiments of the present utility model 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 therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. A storage tank nitrogen seal device, comprising a storage tank (1), characterized in that: the automatic feeding device is characterized in that a plurality of evenly distributed supporting bases (2) are fixedly connected to the lower end of the storage tank (1), a plurality of material conveying pipelines (3) are inserted into the outer end of the storage tank (1), a liquid inlet valve (4), a breather valve (5) and a nitrogen leakage valve (6) are respectively arranged at the outer ends of the three material conveying pipelines (3) at the upper end of the storage tank (1), the breather valve (5) is positioned between the inner walls of the liquid inlet valve (4) and the nitrogen leakage valve (6), a nitrogen inlet valve (7) is arranged at the outer end of the material conveying pipeline (3) at the left end of the storage tank (1), a discharging valve (8) is arranged at the outer end of the material conveying pipeline (3) at the lower end of the storage tank (1), and a sealing component is arranged between the storage tank (1) and the material conveying pipeline (3);
the sealing assembly comprises a plurality of second grooves (91) formed in the outer end of a storage tank (1), through holes (92) are formed in the inner bottom wall of each second groove (91), first clamping grooves (93), sliding grooves (94) and second clamping grooves (97) are formed in the inner side walls of the through holes (92), the first clamping grooves (93) and the second clamping grooves (97) are symmetrically distributed in right angles with the sliding grooves (94), the second clamping grooves (97) are located on the right side of the first clamping grooves (93), and the first clamping grooves (93), the second clamping grooves (97) are communicated with the sliding grooves (94) mutually.
2. A tank nitrogen seal according to claim 1, wherein: the utility model discloses a material conveying pipeline, including material conveying pipeline (3), material conveying pipeline (3) outer end fixedly connected with snap ring (31), first recess (32) have been seted up to one end that snap ring (31) are close to storage tank (1), one end fixedly connected with three equiangular distribution's fixture block (33) that snap ring (31) are close to storage tank (1), fixture block (33) are located the inboard of first recess (32), the outer end fixedly connected with inflation gasbag piece (34) of fixture block (33).
3. A tank nitrogen seal according to claim 1, wherein: the nitrogen inlet valve (7) consists of a pneumatic actuator and a main valve, and the nitrogen leakage valve (6) consists of an internal feedback pressure-opening micro-pressure regulating valve.
4. A tank nitrogen seal according to claim 1, wherein: a third groove (95) is formed in the inner bottom wall of the second groove (91), the third groove (95) is located at the outer side of the through hole (92), and a sealing ring (96) is sleeved on the inner wall of the third groove (95).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320421621.1U CN219822458U (en) | 2023-03-08 | 2023-03-08 | Nitrogen sealing device for storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320421621.1U CN219822458U (en) | 2023-03-08 | 2023-03-08 | Nitrogen sealing device for storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219822458U true CN219822458U (en) | 2023-10-13 |
Family
ID=88276001
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320421621.1U Active CN219822458U (en) | 2023-03-08 | 2023-03-08 | Nitrogen sealing device for storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219822458U (en) |
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2023
- 2023-03-08 CN CN202320421621.1U patent/CN219822458U/en active Active
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