CN211371908U

CN211371908U - Liquefied natural gas storage and transportation tank

Info

Publication number: CN211371908U
Application number: CN201921506453.6U
Authority: CN
Inventors: 杨再芳
Original assignee: Individual
Current assignee: Beijing Tailai Wharton Cryogenic Equipment Co ltd
Priority date: 2019-09-11
Filing date: 2019-09-11
Publication date: 2020-08-28
Anticipated expiration: 2029-09-11

Abstract

The utility model discloses a liquefied natural gas storage and transportation tank, which comprises a shell, an exhaust pipe and an alarm, wherein one side of the shell is provided with an opening, the shell at one side of the opening is fixedly connected with an end cover through a flange and a bolt, the middle part of the lower surface of the shell, which is close to two ends, is fixedly connected with a base through a bolt, and the middle part of one side of the shell, which is close to one end, is fixedly connected with a pressure gauge through a bolt; the utility model discloses a be equipped with alarm, contact and insulation board, when the waterstop met water inflation, can outwards release the insulation board to the contact of two insulation board one sides is close to each other until mutual extrusion, the contact, consequently battery, alarm and two contacts form closed return circuits, send the chimes of doom, remind the transportation personnel to have the condition of revealing to take place, if can not in time handle and reveal, the waterstop can meet water inflation, thoroughly plug up the leakage point, prevent that liquefied natural gas from revealing the outside, the emergence of explosion prevention ensures personnel's safety.

Description

Liquefied natural gas storage and transportation tank

Technical Field

The utility model relates to a storage tank technical field specifically is a liquefied natural gas storage tank.

Background

The liquefied natural gas storage and transportation tank is a professional product for storing liquefied natural gas, special equipment, three types of pressure vessels, and is manufactured by the processes of flaw detection, hydraulic pressure and pressure test, field test of a technical supervision bureau, issuing of a pressure vessel test certificate, external derusting, paint spraying and the like, the liquefied natural gas storage tank has strict quality identification on the materials, the appearance sizes, the weld quality, the operation quality, the installation quality, internal devices and safety accessories of pressed elements, the conventional physicochemical test on the tank body materials comprises the mechanical property and the chemical composition, the test tests on the sealing property, the pressure resistance and various technical indexes which can influence the safe operation of the product are strictly carried out on the welding joint, the weld, the tank body end socket, the mutual geometric positions of all the pressed elements and the like of the liquefied natural gas storage and transportation tank, and the defects exist in the prior liquefied natural gas storage and transportation tank, such as:

liquefied natural gas storage and transportation jar among the prior art is in the transportation, because vibrations, the ooff valve department of exhaust hole, import and export can take place to reveal, slight reveals, and the manometer change is not obvious, and can not in time inspect the condition of revealing on the way in the transportation to on the way in the transportation, reveal the department and can not in time handle, reveal sometimes and can more and more serious, even the explosion takes place.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a liquefied natural gas storage and transportation jar to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a liquefied natural gas storage and transportation tank comprises a shell, an exhaust pipe and an alarm, wherein one side of the shell is provided with an opening, the shell on one side of the opening is fixedly connected with an end cover through a flange and a bolt, the middle part of the lower surface of the shell, which is close to two ends, is fixedly connected with a base through a bolt, the middle part of one side of the shell, which is close to one end, is fixedly connected with a pressure gauge through a bolt, the middle part of the upper surface of the shell, which is close to one end, is fixedly connected with an exhaust pipe through a flange and a bolt, one side of the inner wall of the exhaust pipe, which is close to one end, is fixedly connected with a support plate through a bolt, the middle part of the upper surface of the support plate is fixedly connected with a bottom end through a bolt, the two sides of the inner, two the supporting seat upper surface passes through bolt fixedly connected with inner tank, inner tank upper surface middle part is close to one end department and passes through bolt fixedly connected with division board, just the division board extends to inside the blast pipe, the division board is close to one end department and has seted up the through-hole, inner tank one side is close to top department and passes through flange and bolt fixedly connected with import pipe, inner tank one side is close to bottom department and passes through flange and bolt fixedly connected with outlet pipe, just the one end of import pipe and outlet pipe all runs through the end cover, just import pipe and outlet pipe upper surface middle part is close to one end department and all passes through bolt fixedly connected with control valve.

Preferably, the backup pad of alarm one side passes through buckle fixedly connected with battery, the input of alarm with the output electric connection of battery, contact on the division board of exhaust pipe inner wall one side with battery electric connection, contact on the division board of exhaust pipe inner wall opposite side with alarm electric connection.

Preferably, the middle part of the lower surface of the end cover is fixedly connected with a drain pipe through a flange and a bolt, and one side of the drain pipe close to one end is fixedly connected with a one-way valve through a bolt.

Preferably, the base is of a trapezoid structure, threaded holes are formed in the positions, close to the bottom end, of two sides of the base, and the number of the threaded holes is four.

Preferably, the contact on one side of the insulating plate and the axial lead of the through hole are on the same straight line, and the partition plate is made of insulating materials.

Preferably, the distance between the separation plate and the two insulation plates is equal in size, and the water stop belt is made of a rubber material.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses a be equipped with the alarm, the waterstop, the division board, contact and insulation board, when the waterstop met water inflation, can outwards release the insulation board, thereby the contact of two insulation board one sides is close to each other until mutual extrusion, the contact, therefore the battery, alarm and two contacts form closed return circuits, send the chimes of doom, remind transportation personnel to have the condition of revealing to take place, if can not in time handle and reveal, the waterstop can meet water inflation, thoroughly block up the leakage point, prevent that liquefied natural gas from revealing the outside, prevent the emergence of explosion, ensure personnel's safety.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic front sectional view of the present invention;

FIG. 3 is a schematic top view of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2.

In the figure: 1-a shell; 2-end cap; 3-a base; 4-an exhaust pipe; 5-a pressure gauge; 6-an inlet pipe; 7-a switch valve; 8-a drain pipe; 9-an outlet pipe; 10-an inner storage tank; 11-a support plate; 12-an alarm; 13-water stop belt; 14-an insulating plate; 15-a partition plate; 16-a via hole; 17-supporting seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a liquefied natural gas storage and transportation tank comprises a shell 1, an exhaust pipe 4 and an alarm 12, wherein one side of the shell 1 is provided with an opening, the shell 1 at one side of the opening is fixedly connected with an end cover 2 through a flange and a bolt, the middle part of the lower surface of the shell 1, which is close to two ends, is fixedly connected with a base 3 through a bolt, the base 3 is in a trapezoidal structure, the two sides of the base 3, which are close to the bottom end, are provided with four threaded holes, the shell 1 can be fixed on a transport vehicle through bolt holes, the middle part of one side of the shell 1, which is close to one end, is fixedly connected with a pressure gauge 5 through a bolt, the middle part of the upper surface of the shell 1, which is close to one end, is fixedly connected with the exhaust pipe 4 through a flange and a bolt, the support plate 11, the battery is fixedly connected with the supporting plate 11 on one side of the alarm 12 through a buckle, the input end of the alarm 12 is electrically connected with the output end of the battery, the contact on the partition plate 15 on one side of the inner wall of the exhaust pipe 4 is electrically connected with the battery, the contact on the partition plate 15 on the other side of the inner wall of the exhaust pipe 4 is electrically connected with the alarm 12, the water stop 13 expands when meeting water, the insulating plate 14 can be pushed forwards, the two contacts are in contact with each other, the battery, the alarm 12 and the two contacts can form a closed loop, the alarm 12 can give an alarm, the water stop 13 is bonded on the positions, close to the two sides of the inner wall of the exhaust pipe 4, of the insulating plate 14 is bonded on one side of the water stop 13, the contact on one side of the insulating plate 14 is fixedly connected with the contact through a bolt, and, the contact can be contacted when the insulating plate 14 is ensured to move, the separation plate 15 is made of insulating materials, the distance between the separation plate 15 and the two insulating plates 14 is equal in size, the separation plate 15 is positioned at the middle position between the two insulating plates 14, the contacts can be contacted with each other when the insulating plates 14 move to the same position, the water stop belt 13 is made of rubber materials, the water stop strip capable of expanding when encountering water is a unique new rubber product, the rubber generates 2-3 times of expansion deformation after encountering water, fills all irregular surfaces, cavities and gaps of seams, generates huge contact pressure simultaneously, thoroughly prevents leakage, the middle part of the lower surface of the inner wall of the shell 1, which is close to two ends, is fixedly connected with the supporting seats 17 through bolts, the upper surfaces of the two supporting seats 17 are fixedly connected with the inner storage tank 10 through bolts, the middle part of the upper surface of the inner storage tank 10, which is close to one end, is, the partition plate 15 extends into the exhaust pipe 4, a through hole 16 is formed at a position, close to one end, of the partition plate 15, an inlet pipe 6 is fixedly connected to one side of the inner storage tank 10 through a flange and a bolt, liquefied natural gas can be input into the inner storage tank 10 through the inlet pipe 6, an outlet pipe 9 is fixedly connected to one side of the inner storage tank 10 through a flange and a bolt, liquefied natural gas in the inner storage tank 10 can be output from the outlet pipe 9, one end of the inlet pipe 6 and one end of the outlet pipe 9 penetrate through the end cover 2, a control valve 7 is fixedly connected to a position, close to one end, of the middle of the upper surface of the inlet pipe 6 and the middle of the upper surface of the outlet pipe 9 through a bolt, a drain pipe 8 is fixedly connected to the middle of the lower surface of the end cover 2 through a flange and a bolt, prevent the water refluence, can make the inside rivers of casing 1 go out, prevent that water from flowing backwards into in the casing 1, through at import pipe 6, and outlet pipe 9 all are equipped with the battery, alarm 12, waterstop 13, insulation board 14, the contact, division board 15 and through-hole 16, and meet water inflation through waterstop 13, release insulation board 14 forward, thereby the contact of insulation board 14 one side is close to each other, and 16 department mutual contacts and the extrusion at the through-hole of division board 15 one end, therefore the battery, alarm 12 and two contacts form closed return circuits, alarm 12 sends the chimes of doom, remind the transportation personnel to have the condition of revealing to take place, and the inflated waterstop 13 can plug up the outside leakage of liquefied natural gas.

The working principle is as follows: when in use, the shell 1 is fixed on a transport vehicle through the threaded hole on the base 3, if liquefied natural gas leaks from the shell 1, the liquefied natural gas is discharged through the exhaust pipe 4, and the temperature of the liquefied natural gas passing through the exhaust pipe 4 is lower, when contacting with air, condensed liquid is generated, the water stop belts 13 at the two sides of the exhaust pipe 4 expand when contacting with water, the insulating plate 14 is pushed forwards, so that the contacts of one side of the insulating plate 14 are close to each other, and are contacted and pressed with each other at the through-hole 16 of one end of the partition plate 15, therefore, the battery, the alarm 12 and the two contacts form a closed loop, the alarm 12 gives out alarm sound to remind the transport personnel of leakage, if can not in time handle and reveal, the waterstop 13 can meet water inflation, thoroughly plugs up the leakage point, prevents that liquefied natural gas from revealing the outside, prevents the emergence of explosion, ensures personnel's safety.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a liquefied natural gas storage and transportation jar, includes casing (1), blast pipe (4) and alarm (12), its characterized in that: an opening is formed in one side of the shell (1), an end cover (2) is fixedly connected to the shell (1) on one side of the opening through a flange and a bolt, a base (3) is fixedly connected to the middle of the lower surface of the shell (1) through a bolt near two ends, a pressure gauge (5) is fixedly connected to the middle of one side of the shell (1) through a bolt near one end, an exhaust pipe (4) is fixedly connected to the middle of the upper surface of the shell (1) through a flange and a bolt near one end, a support plate (11) is fixedly connected to one side of the inner wall of the exhaust pipe (4) through a bolt near one end, an alarm (12) is fixedly connected to the middle of the upper surface of the support plate (11) through a bolt, a water stop (13) is bonded to the two sides of the inner wall of, the insulation board (14) is fixedly connected with contacts through bolts, the middle part of the inner wall lower surface of the shell (1) is close to two ends and is fixedly connected with supporting seats (17) through bolts, the upper surface of the supporting seats (17) is fixedly connected with an inner storage tank (10) through bolts, the middle part of the upper surface of the inner storage tank (10) is close to one end and is fixedly connected with a partition plate (15) through bolts, the partition plate (15) extends into the exhaust pipe (4), the partition plate (15) is close to one end and is provided with a through hole (16), one side of the inner storage tank (10) is close to the top and is fixedly connected with an inlet pipe (6) through a flange and a bolt, one side of the inner storage tank (10) is close to the bottom and is fixedly connected with an outlet pipe (9) through a flange and a bolt, and the middle parts of the upper surfaces of the inlet pipe (6) and the outlet pipe (9) are fixedly connected with control valves (7) through bolts at one end.

2. The lng storage and transportation tank of claim 1, wherein: backup pad (11) of alarm (12) one side is through buckle fixedly connected with battery, the input of alarm (12) with the output electric connection of battery, the contact on division board (15) of blast pipe (4) inner wall one side with battery electric connection, the contact on division board (15) of blast pipe (4) inner wall opposite side with alarm (12) electric connection.

3. The lng storage and transportation tank of claim 1, wherein: the middle of the lower surface of the end cover (2) is fixedly connected with a drain pipe (8) through a flange and a bolt, and one side of the drain pipe (8) close to one end is fixedly connected with a one-way valve through a bolt.

4. The lng storage and transportation tank of claim 1, wherein: the base (3) is of a trapezoidal structure, threaded holes are formed in the positions, close to the bottom ends, of two sides of the base (3), and the number of the threaded holes is four.

5. The lng storage and transportation tank of claim 1, wherein: the contact on one side of the insulating plate (14) and the axial lead of the through hole (16) are on the same straight line, and the partition plate (15) is made of insulating materials.

6. The lng storage and transportation tank of claim 1, wherein: the distance between the separation plate (15) and the two insulation plates (14) is equal in size, and the water stop belt (13) is made of rubber materials.