CN207827051U - Double-layer explosion-proof tank - Google Patents

Abstract

The utility model proposes a double-layer explosion-proof tank for a five-in-one new energy sales demonstration center. A combustion suppression device and an oxygen detector, an I-beam and a buffer layer are connected between the inner tank and the outer tank, sensors are arranged on the left and right sides of the I-beam, and sensors are arranged on the outer wall of the outer tank For the control system, the buffer layer is made of polymer energy-absorbing material, and a barrier explosion-proof airbag is arranged between the front and rear gaps of the inner tank and the outer tank. The utility model uses reinforcing ribs to improve the strength of the inner tank, and the combustion suppression device and the oxygen detector can detect the gas composition of the inner tank at any time, reducing the percentage of combustible gas; the buffer layer can effectively absorb the heat energy and vibration of the inner tank and the outer tank Potential energy, and can work with the barrier explosion-proof airbag to reduce the damage of accidental explosions to surrounding things.

Description

Double-layer explosion-proof tank

technical field

The utility model belongs to the field of auxiliary equipment for gas stations, in particular to a double-layer explosion-proof tank.

Background technique

The five-in-one new energy sales demonstration center is a power relay station integrating refueling, gas refueling, biomass refueling, power generation and charging. The functions of gas stations that people see now are limited to one or two functions of refueling, gas refueling, biomass refilling, power generation and charging. Owners of different power models often need to go to fixed gas stations to continue powering their vehicles. , the biggest disadvantage of this is that it is impossible to always find the corresponding gas station in time, causing unnecessary troubles to car owners. Various new energy vehicles emerge in endlessly, so the five-in-one new energy sales demonstration center came into being, aiming to provide comprehensive services for the majority of users.

As an important energy reserve, gas stations gather a variety of flammable and explosive energy sources such as diesel, gasoline, and natural gas. There are potential dangers such as oil and gas leakage during the oil storage process. Once it happens, the consequences will be disastrous. Therefore, the gas station must be well prepared The safe explosion-proof facilities and the emergency response plan, especially the safety level of gas stations at important transportation hubs must be higher than the general level; in addition, oil and gas leakage will be seriously destructive to the surrounding air environment and soil environment, and may even be impossible. Recovery from damage. The key link in the oil storage process is the oil storage device. At present, people use the barrier explosion-proof technology to fill the barrier explosion-proof material with a certain density in the oil storage tank that stores flammable and explosive liquids. Explosion-proof tanks, but despite such accidents in chemical plants, oil refineries, gas stations, automobiles, oil trucks, oil depots, oil storage tanks, etc., explosions still occur from time to time, causing irreparable huge losses to the country and people's property. Therefore, it also shows that the advantages of materials cannot completely solve the deficiencies in the structure of the tank itself, and there is still room for improvement in the structure of existing oil tanks.

Utility model content

The utility model aims at the above-mentioned technical problems in the safety and explosion-proof of the oil tank, and proposes a double-layer explosion-proof tank with reasonable design, reliable structure and high safety.

In order to achieve the above purpose, the technical solution adopted by the utility model is that a double-layer explosion-proof tank provided by the utility model includes an inner tank and an outer tank, and the inner wall of the inner tank is provided with a plurality of The reinforcement ribs are arranged in a staggered left and right direction. A combustion suppression device and an oxygen detector are installed on the inner wall of the inner tank. An I-beam is connected between the inner tank and the outer tank. The I-beam is along the The outer circumference of the inner tank is distributed in an array, the left and right sides of the I-beams are provided with sensors for detecting oil and gas, the outer wall of the outer tank is provided with a sensor control system, and between the adjacent I-beams A buffer layer is provided, and the buffer layer is made of polymer energy-absorbing material. A front end gap and a rear end gap are arranged between the inner tank and the outer tank, and a barrier explosion-proof air bag is arranged in the front end gap and the rear end gap.

Preferably, the barrier explosion-proof airbag is filled with inert gas or liquid carbon dioxide.

Compared with the prior art, the utility model has the advantages and positive effects that:

1. The double-layer explosion-proof tank provided by the utility model uses reinforcing ribs to increase the strength of the inner tank, and the combustion suppression device and oxygen detector can detect the gas composition of the inner tank at any time to reduce the percentage of flammable gas; the buffer layer can effectively absorb The thermal energy and vibration potential energy of the inner tank and the outer tank can reduce the damage of accidental explosions to surrounding things together with the barrier explosion-proof airbag. The utility model has reasonable design, reliable structure and is suitable for large-scale popularization.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the following will briefly introduce the accompanying drawings that need to be used in the description of the embodiments. Obviously, the accompanying drawings in the following description are some embodiments of the utility model , for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

Fig. 1 is the longitudinal section schematic diagram of the double-deck explosion-proof tank that embodiment provides;

Figure 2 is a schematic diagram of the internal structure of the double-layer explosion-proof tank provided by the embodiment;

Fig. 3 is the structural representation of the I-beam that embodiment provides;

In the above figures, 1. Inner tank; 2. Outer tank; 3. Combustion suppression device; 4. Oxygen detector; 5. Rib; 6. I-beam; 7. Sensor; 8. Buffer layer; 9. Front end Gap; 10. Rear end gap; 11. Blocking explosion-proof airbag; 12. Sensor control system.

Detailed ways

In order to understand more clearly the above purpose, features and advantages of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be noted that, in the case of no conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

In the following description, a lot of specific details have been set forth in order to fully understand the utility model, but the utility model can also be implemented in other ways that are different from those described here. Therefore, the utility model is not limited to the specific details of the following disclosure EXAMPLE LIMITATIONS.

Embodiment, as shown in Fig. 1, Fig. 2 and Fig. 3, the double-layer explosion-proof tank provided by the utility model includes inner tank 1 and outer tank 2, and it is recognized as an effective combination tank body with inner tank 1 and outer tank 2 explosion-proof structure. In the utility model, a plurality of reinforcing ribs 5 are arranged on both sides of the inner wall of the inner tank 1 at an angle of 45° to the horizontal line, so that the force is more uniform, and the reinforcing ribs 5 are staggered left and right, and two adjacent reinforcing ribs, etc. In this way, the inner tank can obtain better support strength in addition to its own strength, and it can prevent the inner tank from being seriously deformed due to the expansion of internal oil and gas, which improves the quality of the inner tank and effectively prolongs its service life.

In order to improve the explosion-proof safety of the oil storage tank, the inner wall of the inner tank 1 provided by the utility model is provided with a combustion suppression device 3 and an oxygen detector 4, the combustion suppression device 3 contains an inert gas, and the oxygen detector 4 and The combustion suppression device 3 is connected in parallel, and since the combustion suppression device is a prior art, the structure thereof will not be described in this embodiment. The oxygen detection device 4 can detect the oxygen percentage of the inner tank 1 at any time. The oxygen percentage is one of the three elements of the oil storage tank explosion, and the other two elements are combustibles and temperature respectively. The combustion suppression device releases inert gas and performs gas exchange with the oil and gas in the inner tank to reduce the percentage of oxygen and other flammable gases in the inner tank, reducing the probability of oil and gas combustion.

In order to minimize the property loss caused by accidental explosions to the surrounding things including people, an I-beam 6 is connected between the inner tank 1 and the outer tank 2 provided by the utility model, and the I-beam 6 is along the outer circumference of the inner tank. The array distribution provides the highest strength support between the inner tank 1 and the outer tank 2, and provides a uniform and relatively large pulling force so that the inner tank 1 reduces the degree of strong deformation at the moment of an accidental explosion; in addition, the utility model There are sensors 7 for detecting oil and gas on the left and right sides of the I-beam. Leakage can be detected by the sensor control system 12 arranged on the outer wall of the outer tank 2, and the sensor control system 12 will display the specific area, so that the gas station staff can quickly find the area where the oil and gas leaks, and take corresponding measures in time to eliminate safety hazards. Hidden dangers improve the safety factor of gas stations. Wherein the sensor control system 12 is a mature prior art, and this embodiment will not elaborate on its structure.

Further, the utility model is provided with a buffer layer 8 between adjacent I-beams 6, and the buffer layer 8 is made of polymer energy-absorbing material, and the polymer energy-absorbing material is made of polyester-type molding main material, Composed of low-density expanded granular material, curing agent and flame retardant, the buffer layer 8 can not only make the force between the inner tank 1 and the outer tank 2 uniform, but also effectively absorb the heat energy and vibration potential energy of the inner tank 1 and the outer tank 2 , improve the stability of the oil storage tank within a controllable range, and avoid unnecessary losses. In addition, it can provide a certain degree of buffer in the event of an accidental explosion. The characteristics of the polymer energy-absorbing material itself can slow down the fire to a certain extent. Spreading, at the same time, a front end gap 9 and a rear end gap 10 are provided between the inner tank and the outer tank, and a barrier explosion-proof airbag 11 is arranged in the front end gap 9 and the rear end gap 10, and an inert explosion-proof airbag 11 is installed in the barrier explosion-proof airbag 11 Gas or liquid carbon dioxide, both are commonly used media in fire extinguishers, in this case, the barrier explosion-proof air bag 11 releases inert gas and rapidly vaporized carbon dioxide under violent explosion, absorbs a large amount of heat carried by high-temperature oil and gas and reduces the explosion. The concentration of flammable gas in the area wins precious time for emergency personnel, thereby reducing the property loss caused by accidental explosion accidents to surrounding things, including people.

The above is only a preferred embodiment of the utility model, and is not intended to limit the utility model in other forms. Any skilled person who is familiar with this profession may use the technical content disclosed above to change or remodel it into an equivalent change. The equivalent embodiments are applied to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical essence of the present invention without departing from the content of the technical solution of the present utility model still belong to the technical solution of the present utility model scope of protection.

Claims (2)

1. A double-deck explosion-proof tank, comprising an inner tank and an outer tank, is characterized in that, the inner wall both sides of the inner tank are provided with a plurality of reinforcing ribs that are 45° with the horizontal line, and the reinforcing ribs are distributed in a staggered manner from left to right, so The inner wall of the inner tank is provided with a combustion suppression device and an oxygen detector, and an I-beam is connected between the inner tank and the outer tank, and the I-beam is arranged in an array along the outer circumference of the inner tank, and the I-beam The left and right sides of the steel are equipped with sensors for detecting oil and gas, the outer wall of the outer tank is equipped with a sensor control system, and a buffer layer is arranged between the adjacent I-beams, and the buffer layer is absorbed by polymers. The inner tank and the outer tank are provided with a front end gap and a rear end gap, and a barrier explosion-proof air bag is arranged in the front end gap and the rear end gap. 2. The double-layer explosion-proof tank according to claim 1, characterized in that inert gas or liquid carbon dioxide is housed in the barrier explosion-proof air bag.