阅读说明：本技术 一种原油储罐安全主动防护装置 (Safe active protection device for crude oil storage tank ) 是由 岳忠良 谭云 于 2019-12-13 设计创作，主要内容包括：本发明涉及原油储罐防护装置技术领域,具体揭示了一种原油储罐安全主动防护装置,本发明包括原油储存罐和保护室,原油储存罐顶部且靠近左侧的中央位置处固定连通有换气管,保护室底部的中央固定连通有连接柱,连接柱的底部固定连接有对接圆盘,对接圆盘通过螺栓固定连接于换气管的顶部,保护室右侧且靠近底部的中央固定连通补气管,补气管的右端固定连通有氮气储存罐,补气管的左端贯穿对接圆盘的底部,保护室内壁底部的中央固定连接有支撑台,支撑台顶部的中央固定连接有耗氧箱,耗氧箱内部的左侧固定插接有进气管；本发明使得可燃性气体重新变为无害气体,避免爆炸现象的发生,有效的降低了现有储存罐存在的安全隐患。(The invention relates to the technical field of crude oil storage tank protection devices, and particularly discloses a crude oil storage tank safety active protection device which comprises a crude oil storage tank and a protection chamber, wherein an air exchange pipe is fixedly communicated at the top of the crude oil storage tank and close to the central position of the left side of the crude oil storage tank; the invention enables the combustible gas to be changed into harmless gas again, avoids the occurrence of explosion phenomenon and effectively reduces the potential safety hazard of the existing storage tank.)

1. The utility model provides a crude oil storage tank safety initiative protector, includes crude oil storage tank (1) and guard room (6), its characterized in that: the escalator is fixedly connected to the left center of the top of the crude oil storage tank (1), the top of the crude oil storage tank (1) is fixedly communicated with an oil outlet pipe (3) close to the right center position, the top of the oil outlet pipe (3) is fixedly connected with a sealing cover (4), the top of the crude oil storage tank (1) is fixedly communicated with an air exchange pipe (5) close to the left center position, the center of the bottom of the protection chamber (6) is fixedly communicated with a connecting column (7), the bottom of the connecting column (7) is fixedly connected with a butt joint disc (71), the butt joint disc (71) is fixedly connected to the top of the air exchange pipe (5) through bolts, the middle of the right side of the protection chamber (6) is fixedly communicated with an air supplement pipe (8) close to the bottom, the right end of the air supplement pipe (8) is fixedly communicated with a nitrogen storage tank (9), and an electromagnetic valve (91) is fixedly connected to one side of the surface of, the left end of the air supply pipe (8) penetrates through the bottom of the butt joint disc (71), the center of the bottom of the inner wall of the protection chamber (6) is fixedly connected with a support table (10), the center of the top of the support table (10) is fixedly connected with an oxygen consumption tank (11), the interior of the oxygen consumption tank (11) is filled with ferrous sulfate solution (111), an air inlet pipe (13) is fixedly inserted at the left side in the oxygen consumption box (11), one end of the air inlet pipe (13) far away from the oxygen consumption box (11) penetrates through the bottom of the butt joint disc (71), an air outlet pipe (14) is fixedly communicated with the center position of the top of the oxygen consumption box (11) and close to the right side, the top fixedly connected with adsorption tank (16) of outlet duct (14), adsorption tank (16) right side and the fixed intercommunication in central authorities that are close to the top have blast pipe (17), the right-hand member of blast pipe (17) runs through the right side of guard room (6).

2. The active safety shield for crude oil storage tanks of claim 1, wherein: inside and the position department that is close to butt joint disc (71) of moisturizing pipe (8) and intake pipe (13) equal fixedly connected with first gas circuit check valve, inside and the position department fixedly connected with second gas circuit check valve that is close to adsorption tank (16) of blast pipe (17).

3. The active safety shield for crude oil storage tanks of claim 1, wherein: the top on the right side of the oxygen consumption box (11) is hinged with a turnover cover (12), the shape structure of the turnover cover (12) is matched with the shape structure of the oxygen consumption box (11), and a sealing gasket is fixedly connected between the bottom of the turnover cover (12) and the top of the oxygen consumption box (11).

4. The active safety shield for crude oil storage tanks of claim 3, wherein: jack has all been seted up at flip (12) top and the left and right sides that is close to central authorities, intake pipe (13) and outlet duct (14) pass two jacks respectively, equal fixedly connected with sealing washer in junction between intake pipe (13) and outlet duct (14) and the jack.

5. The active safety shield for crude oil storage tanks of claim 1, wherein: the left center of adsorption box (16) articulates there is single door (19) that opens, adsorption box (16) left side and with single door (19) corresponding position department seted up the access hole.

6. The active safety shield for crude oil storage tanks of claim 1, wherein: one end of the air inlet pipe (13) positioned in the oxygen consumption tank (11) penetrates through the ferrous sulfate solution (111) and extends to the bottom of the oxygen consumption tank (11), and the bottom of the air outlet pipe (14) and the bottom of the flip cover (12) are positioned on the same horizontal plane.

7. The active safety shield for crude oil storage tanks of claim 1, wherein: activated carbon (161) are filled in the adsorption box (16), a baffle plate is fixedly connected to the top of the inner part of the air outlet pipe (14), an air leakage hole is formed in the top of the baffle plate, and the aperture of the air leakage hole is smaller than the diameter of the activated carbon (161).

8. The active safety shield for crude oil storage tanks of claim 1, wherein: the center fixedly connected with reference column (15) at adsorption box (16) top, the top fixed connection of reference column (15) is in the top of guard chamber (6) inner wall.

9. The active safety shield for crude oil storage tanks of claim 1, wherein: the right-hand member fixedly connected with protection ring (18) of blast pipe (17), the right side fixedly connected with filter screen of protection ring (18), inside and the position department fixedly connected with dustproof cotton that is close to protection ring (18) of blast pipe (17).

10. The active safety shield for crude oil storage tanks of claim 1, wherein: the inside fixedly connected with gas analysis appearance of crude oil holding vessel (1), this gas analysis appearance electricity is connected with the PLC controller, solenoid valve (91) electricity is connected with the PLC controller.

Technical Field

The invention relates to the technical field of crude oil storage tank protection devices, in particular to a safe and active protection device for a crude oil storage tank.

Background

The oil storage tank is a container for storing oil products, and can be divided into overground oil tanks, underground oil tanks and cave oil tanks according to the building characteristics, the overground oil tanks are generally suitable for transporting oil depots, distributing oil depots and enterprise auxiliary oil depots, the cave oil tanks, the underground oil tanks and the semi-underground oil tanks are usually selected for strategic oil depots and military oil depots, the oil storage tank can be divided into two types of non-metal oil tanks and metal oil tanks according to the materials, the non-metal oil tanks comprise reinforced concrete oil tanks and oil-resistant rubber oil tanks used in army field oil depots, glass steel oil tanks, plastic oil tanks and the like, the metal oil tanks can be divided into three types of vertical cylinders, horizontal cylinders, spheres and the like according to the shapes, and the metal oil tanks are widely used due to low manufacturing cost, difficult leakage.

Crude oil is a flammable and explosive dangerous article, the crude oil is stored in various modes, and because the horizontal cylindrical metal oil storage tank has the capacity of bearing higher positive pressure and negative pressure, the common crude oil is stored by the horizontal cylindrical metal oil storage tank, the existing oil storage tank does not have an active explosion-proof function at present, air is inevitably introduced into the oil storage tank in the oil taking process, and when volatile gas of the crude oil is mixed with oxygen in the air to a certain concentration, the ignition and explosion accidents of the oil storage tank can be easily caused, and the loss caused by the ignition and explosion accidents can not be estimated.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a crude oil storage tank safety active protection device which has the advantages of active protection, risk reduction and the like and solves the problem that the original storage tank is easy to explode.

The invention relates to a safe and active protection device for a crude oil storage tank, which comprises a crude oil storage tank and a protection chamber, wherein the center of the left side of the top of the crude oil storage tank is fixedly connected with an escalator, the center of the top of the crude oil storage tank, which is close to the right side, is fixedly communicated with an oil outlet pipe, the top of the oil outlet pipe is fixedly connected with a sealing cover, the center of the top of the crude oil storage tank, which is close to the left side, is fixedly communicated with a ventilation pipe, the center of the bottom of the protection chamber is fixedly communicated with a connecting column, the bottom of the connecting column is fixedly connected with a butt joint disc, the butt joint disc is fixedly connected with the top of the ventilation pipe through bolts, the center of the right side of the protection chamber, which is close to the bottom, is fixedly communicated with an air supplement pipe, the right end of the air supplement pipe, brace table top's central fixedly connected with consumes the oxygen case, the inside packing that consumes the oxygen case has ferrous sulfate solution, it has the intake pipe to consume the fixed grafting in left side of oxygen incasement portion, the intake pipe is kept away from the one end that consumes the oxygen case and is run through the bottom of butt joint disc, it has the outlet duct to consume the fixed intercommunication in central position department on oxygen roof portion and be close to the right side, the top fixedly connected with adsorption tank of outlet duct, the adsorption tank right side just is close to the fixed intercommunication in central authorities at top and has the blast pipe, the right-hand member of blast pipe.

According to the safe and active protection device for the crude oil storage tank, the positions, close to the butt joint disc, inside the air supply pipe and the air inlet pipe are fixedly connected with the first air path one-way valve, and the position, close to the adsorption tank, inside the air exhaust pipe is fixedly connected with the second air path one-way valve.

The invention relates to a safety active protection device for a crude oil storage tank, wherein the top on the right side of an oxygen consumption tank is hinged with a flip cover, the shape structure of the flip cover is matched with that of the oxygen consumption tank, and a sealing gasket is fixedly connected between the bottom of the flip cover and the top of the oxygen consumption tank.

According to the safe and active protection device for the crude oil storage tank, jacks are formed in the left side and the right side of the top of the flip cover, which are close to the center, the air inlet pipe and the air outlet pipe respectively penetrate through the two jacks, and sealing rings are fixedly connected to the joints between the air inlet pipe and the jacks and between the air outlet pipe and the jacks.

According to the active safety protection device for the crude oil storage tank, the center of the left side of the adsorption tank is hinged with the single-opening door, and the position, corresponding to the single-opening door, of the left side of the adsorption tank is provided with the access hole.

The invention relates to a safety active protection device for a crude oil storage tank, wherein one end of an air inlet pipe, which is positioned in an oxygen consumption tank, penetrates through the interior of a ferrous sulfate solution and extends to the bottom of the interior of the oxygen consumption tank, and the bottom of the air outlet pipe and the bottom of a flip cover are positioned on the same horizontal plane.

According to the safe and active protection device for the crude oil storage tank, the adsorption tank is filled with active carbon, the top of the inside of the air outlet pipe is fixedly connected with the baffle plate, the top of the baffle plate is provided with the air leakage hole, and the aperture of the air leakage hole is smaller than the diameter of the active carbon.

According to the active safety protection device for the crude oil storage tank, the center of the top of the adsorption tank is fixedly connected with the positioning column, and the top of the positioning column is fixedly connected to the top of the inner wall of the protection chamber.

According to the safety active protection device for the crude oil storage tank, the right end of the exhaust pipe is fixedly connected with the protection ring, the right side of the protection ring is fixedly connected with the filter screen, and the dustproof cotton is fixedly connected to the position, close to the protection ring, inside the exhaust pipe.

According to the safety active protection device for the crude oil storage tank, a gas analyzer is fixedly connected inside the crude oil storage tank, the gas analyzer is electrically connected with a PLC, and an electromagnetic valve is electrically connected with the PLC.

Compared with the prior art, the invention has the following beneficial effects:

1. the invention adopts the gas analyzer arranged in the crude oil storage tank, and the air supplement pipe and the nitrogen storage tank which are matched, when the gas analyzer detects that the concentration of the combustible gas in the crude oil storage tank exceeds the standard, the electromagnetic valve can be opened, the nitrogen storage tank can fill nitrogen into the crude oil storage tank, through the arrangement of the air inlet pipe, the oxygen consumption tank and the ferrous sulfate solution arranged in the oxygen consumption tank, the arrangement that the air inlet pipe extends to the interior of the ferrous sulfate solution is matched, so that the combustible gas in the crude oil storage tank can be extruded into ferrous sulfate solution from the crude oil storage tank by nitrogen, so that the oxygen in the combustible gas can be consumed by the ferrous sulfate solution, the oxygen content in the combustible gas is reduced, the combustible gas is changed into harmless gas again, so that the explosion phenomenon is avoided, and the potential safety hazard of the existing storage tank is effectively reduced.

2. According to the invention, the air outlet pipe arranged on the oxygen consumption box is matched with the adsorption box arranged at the top of the air outlet pipe and the activated carbon arranged in the adsorption box, so that organic matters in organic gas can enter the adsorption box and are adsorbed by the activated carbon, the danger of the organic gas is further reduced, the exhaust pipe arranged on the right side of the adsorption box is used for discharging the organic gas after being adsorbed by the activated carbon to the outside, the pollution of the organic gas to the external environment is reduced, the environment protection effect is realized, and the single-door arranged on the protection room is matched with the staircase arranged on the left side of the crude oil storage tank, so that a worker can conveniently overhaul the device in the protection room.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is a schematic overall front view structure;

FIG. 2 is a schematic sectional front view of the protection chamber;

FIG. 3 is a left side view of the protection chamber;

FIG. 4 is a schematic perspective view of an oxygen consumption tank;

fig. 5 is a left side view structural schematic diagram of the escalator.

In the figure: 1. a crude oil storage tank; 2. an escalator; 3. an oil outlet pipe; 4. a sealing cover; 5. a ventilation tube; 6. a protection chamber; 7. connecting columns; 71. butting the disks; 8. a gas supplementing pipe; 9. a nitrogen storage tank; 91. an electromagnetic valve; 10. a support table; 11. an oxygen consumption tank; 111. a ferrous sulfate solution; 12. a cover is turned; 13. an air inlet pipe; 14. an air outlet pipe; 15. a positioning column; 16. an adsorption tank; 161. activated carbon; 17. an exhaust pipe; 18. a guard ring; 19. and a single door is opened.

Detailed Description

In the following description, for purposes of explanation, numerous implementation details are set forth in order to provide a thorough understanding of the various embodiments of the present invention. It should be understood, however, that these implementation details are not to be interpreted as limiting the invention. That is, in some embodiments of the invention, such implementation details are not necessary. In addition, some conventional structures and components are shown in simplified schematic form in the drawings.

In addition, the descriptions related to the first, the second, etc. in the present invention are only used for description purposes, do not particularly refer to an order or sequence, and do not limit the present invention, but only distinguish components or operations described in the same technical terms, and are not understood to indicate or imply relative importance or implicitly indicate the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-5, the active safety protection device for crude oil storage tank of the present invention comprises a crude oil storage tank 1 and a protection chamber 6, wherein the left center of the top of the crude oil storage tank 1 is fixedly connected with an escalator 2, the center of the top of the crude oil storage tank 1 near the right side is fixedly communicated with an oil outlet pipe 3, the top of the oil outlet pipe 3 is fixedly connected with a sealing cover 4, the center of the top of the crude oil storage tank 1 near the left side is fixedly communicated with an air exchanging pipe 5, the center of the bottom of the protection chamber 6 is fixedly communicated with a connecting column 7, the bottom of the connecting column 7 is fixedly connected with a butt-joint disc 71, the butt-joint disc 71 is fixedly connected to the top of the air exchanging pipe 5 through bolts, the structure is convenient for workers to detach and install the protection chamber 6, the center of the right side of the protection chamber 6 near the bottom is fixedly, the electromagnetic valve 91 is fixedly connected to one side of the surface of the air supplementing pipe 8 close to the nitrogen storage tank 9, the left end of the air supplementing pipe 8 penetrates through the bottom of the butt joint disc 71, one end of the air supplementing pipe 8 far away from the nitrogen storage tank 9 extends to the position inside the crude oil storage tank 1 and close to the top of the right side, the structure is arranged so that the crude oil storage tank 1 can be filled with nitrogen, the center of the bottom of the inner wall of the protection chamber 6 is fixedly connected with the support table 10, the center of the top of the support table 10 is fixedly connected with the oxygen consuming tank 11, the interior of the oxygen consuming tank 11 is filled with ferrous sulfate solution 111, the left side of the interior of the oxygen consuming tank 11 is fixedly inserted with the air inlet pipe 13, one end of the air inlet pipe 13 far away from the oxygen consuming tank 11 penetrates through the bottom of the butt joint disc 71, the center of the top of the oxygen consuming tank 11 and close to the right side is, the right end of the exhaust pipe 17 penetrates the right side of the protection chamber 6.

Inside and the equal fixedly connected with first gas circuit check valve in position department of being close to butt joint disc 71 of inlet pipe 8 and intake pipe 13, the inside fixedly connected with second gas circuit check valve in position department of just being close to adsorption box 16 of blast pipe 17, this structure setting has avoided nitrogen gas to flow back from the inlet pipe 8, has avoided external gas to get into crude oil holding vessel 1 from intake pipe 13 in, has avoided external gas to get into in the guard chamber 6 from blast pipe 17.

The top on the right side of the oxygen consumption box 11 is hinged with a turnover cover 12, the shape structure of the turnover cover 12 is matched with the shape structure of the oxygen consumption box 11, a sealing gasket is fixedly connected between the bottom of the turnover cover 12 and the top of the oxygen consumption box 11, the structure is arranged, a worker can replace ferrous sulfate solution 111 in the oxygen consumption box 11 conveniently, meanwhile, the sealing performance between the turnover cover 12 and the oxygen consumption box 11 is also improved, and oxygen in the air is prevented from reacting with the ferrous sulfate solution 111.

Jack has all been seted up at flip 12 top and the left and right sides that is close to central authorities, and intake pipe 13 and outlet duct 14 pass two jacks respectively, and the equal fixedly connected with sealing washer in junction between intake pipe 13 and outlet duct 14 and the jack, this structural setting has further improved the leakproofness between flip 12 and the oxygen consumption case 11.

The left central authorities of adsorption tank 16 articulate has single open door 19, and 16 left sides of adsorption tank and with the corresponding position department of single open door 19 seted up the access hole, this structural setting, the staff of being convenient for overhauls the device in the guard room 6.

The one end that intake pipe 13 is located inside the oxygen consumption case 11 passes the inside of ferrous sulfate solution 111 and extends to the inside bottom of oxygen consumption case 11, and the bottom of outlet duct 14 is in same horizontal plane with the bottom of flip 12, and this structural arrangement for combustible gas can be smooth get into inside ferrous sulfate solution 111, and can be followed and consumed the incasement and be discharged.

The inside packing of adsorption tank 16 has activated carbon 161, and the inside top fixedly connected with striker plate of outlet duct 14, the gas leakage hole has been seted up at the top of this striker plate, and the aperture of gas leakage hole is less than activated carbon 161's diameter, and this structure sets up for organic matter among the organic gas can get into in adsorption tank 16 and adsorbed by activated carbon 161, has avoided simultaneously that activated carbon 161 drops from adsorption tank 16, has further reduced organic gas's danger.

The central fixedly connected with reference column 15 at adsorption box 16 top, the top fixed connection of reference column 15 is in the top of protection 6 inner walls, and this structure setting has played fixed effect in location to the position of adsorption box 16.

The right end of the exhaust pipe 17 is fixedly connected with a protection ring 18, the right side of the protection ring 18 is fixedly connected with a filter screen, and the position inside the exhaust pipe 17 and close to the protection ring 18 is fixedly connected with dustproof cotton.

Crude oil storage tank 1's inside fixedly connected with gas analyzer, this gas analyzer electricity are connected with the PLC controller, and solenoid valve 91 electricity is connected with the PLC controller, and this structure sets up, and when gas analyzer when detecting that 1 inside combustible gas concentration of crude oil storage tank exceeds standard, solenoid valve 91 can be opened, makes nitrogen gas storage tank 9 fill into nitrogen gas in to crude oil storage tank 1.

The working principle is as follows: when the gas analyzer detects that the concentration of the flammable gas in the crude oil storage tank 1 exceeds the safety standard, the PLC controller starts the electromagnetic valve 91 to fill the nitrogen gas into the crude oil storage tank 1 from the nitrogen gas storage tank 9, during the nitrogen gas filling process, the flammable gas is guided into the ferrous sulfate solution 111 along the gas inlet pipe 13, at this time, oxygen in the flammable gas is consumed by the ferrous sulfate solution 111, the concentration of oxygen in the flammable gas is greatly reduced, so that the organic gas does not reach the explosion condition, then the organic gas enters the adsorption tank 16 from the gas outlet pipe 14, the organic matter in the organic gas is adsorbed by the activated carbon 161 in the adsorption tank 16, becomes harmless gas and is discharged to the outside along the gas outlet pipe 17, and when the gas analyzer detects that the concentration of the flammable gas in the crude oil storage tank 1 is in the safety range, the electromagnetic valve 91 is closed.

When the staff need change ferrous sulfate solution 111 and active carbon 161 in the guard room 6, only need follow staircase 2 and climb the top of crude oil holding vessel 1 to open single-open door 19, can carry out the renewal operation, it is simple convenient.

The above description is only an embodiment of the present invention, and is not intended to limit the present invention. Various modifications and alterations to this invention will become apparent to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the scope of the claims of the present invention.