CN209777303U - Sulfuric acid buffer tank that unloads - Google Patents
Sulfuric acid buffer tank that unloads Download PDFInfo
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- CN209777303U CN209777303U CN201920437847.4U CN201920437847U CN209777303U CN 209777303 U CN209777303 U CN 209777303U CN 201920437847 U CN201920437847 U CN 201920437847U CN 209777303 U CN209777303 U CN 209777303U
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- buffer tank
- tank
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Abstract
The utility model discloses a sulphuric acid buffer tank that unloads, including pressing from both sides the cover bottom plate, press from both sides cover bottom plate top fixedly connected with urceolus, it is provided with the inner tube bottom plate to press from both sides cover bottom plate top position in urceolus inner chamber bottom, one side fixedly connected with inner tube that presss from both sides the cover bottom plate is kept away from to the inner tube bottom plate, inner tube top fixedly connected with top cap, the hand hole has been seted up in inner tube top left side, the fixedly connected with scour protection baffle of the position that hand hole was just located to the inner tube bottom fixedly connected with that is close to one side inner wall of hand hole, the manhole has been seted up to one side that the hand hole was. The buffer tank is a double-layer, flat-top and flat-bottom, non-horizontal single-layer normal-pressure end enclosure tank, the manufacturing cost is low, the vertical detection pipe is arranged, whether the tank leaks or not can be detected at regular time, an anti-seepage tank pool does not need to be made, the buffer tank can be directly buried underground, pollution to soil and underground water is avoided, the unloading pump and the tank can be organically combined, and the safety is improved.
Description
Technical Field
The utility model relates to a sulphuric acid buffer tank technical field that unloads specifically is a sulphuric acid buffer tank that unloads.
Background
At present, 75-100% concentrated sulfuric acid and more than 102% fuming sulfuric acid in a tank area of a petrochemical device are unloaded by adopting horizontal single-layer buried buffer tanks, gravity-flow unloading is mostly adopted, the buffer tanks are leaked due to sulfuric acid corrosion and cannot be found in time, and the requirements on environmental protection and safety cannot be met. Few unit unloading buffer tanks are arranged in the underground anti-seepage tank pool, but the underground tank pool is used for anti-seepage, so the construction cost is high. When a person works a sulfuric acid unloading project, the person integrates the main problems in the prior art, not only meets the requirement of environmental protection and safety, but also requires low construction cost. The prior sulfuric acid unloading buffer tank has the technical defects that: horizontal end enclosure tanks are mostly adopted, and the equipment is high in manufacturing cost; the single-layer buried tank adopts an anti-seepage tank pool, so the civil construction cost is high; once the single-layer buried tank is corroded and leaked, the soil and the underground water are directly polluted, and the environmental protection requirement is not met; the corrosion of the buried tank is leaked and cannot be found in time.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
To the not enough of prior art, the utility model provides a sulphuric acid buffer tank that unloads has solved current sulphuric acid buffer tank technical shortcoming that unloads: horizontal end enclosure tanks are mostly adopted, and the equipment is high in manufacturing cost; the single-layer buried tank adopts an anti-seepage tank pool, so the civil construction cost is high; once the single-layer buried tank is corroded and leaked, the soil and the underground water are directly polluted, and the environmental protection requirement is not met; the problem that the buried tank is corroded and leaked and cannot be found in time is solved.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a sulphuric acid buffer tank that unloads, includes and presss from both sides the cover bottom plate, it has the urceolus to press from both sides cover bottom plate top fixedly connected with urceolus, it is provided with the inner tube bottom plate to press from both sides cover bottom plate top and lie in urceolus inner chamber bottom, the inner tube bottom plate is provided with a plurality of I-steel each other, one side fixedly connected with inner tube that presss from both sides the cover bottom plate is kept away from to the inner tube bottom plate, inner tube top fixedly connected with top cap, the hand hole has been seted up on inner tube top left side, the interior surface of hand hole bottom fixedly connected with is taken over, the inner tube is.
Preferably, the top of the jacket bottom plate is fixedly connected with angle steel at two sides of the outer cylinder, and one side of the angle steel close to the inner cylinder bottom plate is fixedly connected with the outer cylinder.
Preferably, one side of the outer cylinder, which is far away from the jacket bottom plate, is fixedly connected with a jacket cover plate, the inner surface of the jacket cover plate is fixedly connected with the inner cylinder, and the jacket cover plate is provided with detection ports at two sides of the inner cylinder.
Preferably, the top of the top cover is fixedly connected with a channel steel at the position of the hand hole, and the outer surface of the hand hole is fixedly connected with the channel steel.
Preferably, the manhole top is fixedly connected with a cover plate through bolts, nuts and gaskets.
Preferably, the position that the inner tube top is located between hand hole and the manhole has seted up submerged pump interface, the inner tube top is located the manhole surface and has seted up back liquid mouth, backward flow mouth, confession nitrogen mouth, row's nitrogen mouth and liquid level mouth.
(III) advantageous effects
The utility model provides a sulphuric acid buffer tank that unloads possesses following beneficial effect:
The device is characterized in that an outer cylinder is fixedly connected with the top of a jacket bottom plate through the top of the jacket bottom plate, an inner cylinder bottom plate is arranged at the top of the jacket bottom plate and positioned at the bottom of an inner cavity of the outer cylinder, a plurality of I-shaped steels are arranged between the inner cylinder bottom plates, an inner cylinder is fixedly connected with one side of the inner cylinder bottom plate, which is far away from the jacket bottom plate, a top cover is fixedly connected with the top of the inner cylinder, a hand hole is formed in the left side of the top of the inner cylinder, a connecting pipe is fixedly connected with the bottom of the inner surface of the hand hole, an anti-impact baffle is fixedly connected with the position, which is close to the inner wall of one side of the hand hole, of the inner cylinder, which is far away from the hand hole, so that the sulfuric acid unloading buffer tank is a double-layer, the unloading pump can be directly buried underground, the civil engineering construction cost is reduced, the unloading pump can be arranged on the top of the tank and organically combined with the tank, and the pump can be completely discharged and the like and can return to the buffer tank. The safety is increased.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the apparatus arrangement of the present invention;
FIG. 3 is a process flow diagram of the apparatus of the present invention.
In the figure: the device comprises a jacket base plate 1, angle steel 2, an inner cylinder base plate 3, an inner cylinder 4, an outer cylinder 5, an anti-impact baffle 6, a connecting pipe 7, a jacket cover plate 8, a top cover 9, a hand hole 10, channel steel 11, a detection port 12, a bolt 13, a nut 14, a gasket 15, a cover plate 16, a manhole 17, a submerged pump port 18 and I-steel 19.
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. All other embodiments obtained by persons skilled in the art based on the embodiments in the present application without any creative work belong to the protection scope of the present application.
Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a sulphuric acid buffer tank that unloads, including pressing from both sides cover bottom plate 1, it is provided with inner tube bottom plate 3 to press from both sides 1 top fixedly connected with urceolus 5 of cover bottom plate, it is provided with a plurality of I-steel 19 each other to press from both sides cover bottom plate 1 top fixedly connected with urceolus 5 inner chamber bottoms in the cover bottom plate 1 top, inner tube bottom plate 3 is provided with a plurality of I-steel 19 each other, one side fixedly connected with inner tube 4 that presss from both sides cover bottom plate 1 is kept away from to inner tube bottom plate 3, 4 top fixedly connected with top caps 9 of inner tube, hand hole 10 has been seted up on the left of the 4 tops of inner tube, 7 is taken over to fixedly.
The top of the jacket bottom plate 1 is fixedly connected with angle steel 2 positioned on two sides of the outer cylinder 5, and one side of the angle steel 2 close to the inner cylinder bottom plate 3 is fixedly connected with the outer cylinder 5.
One side of the outer cylinder 5, which is far away from the jacket bottom plate 1, is fixedly connected with a jacket cover plate 8, the inner surface of the jacket cover plate 8 is fixedly connected with the inner cylinder 4, and the jacket cover plate 8 is positioned on two sides of the inner cylinder 4 and is provided with detection ports 12.
The top of the top cover 9 is fixedly connected with a channel steel 11 at the position of the hand hole 10, and the outer surface of the hand hole 10 is fixedly connected with the channel steel 11.
The top of the manhole 17 is fixedly connected with a cover plate 16 through a bolt 13, a nut 14 and a gasket 15.
The top of the inner cylinder 4 is positioned between the hand hole 10 and the manhole 17 and is provided with a submerged pump interface 18, and the top of the inner cylinder 4 is positioned on the outer surface of the manhole 17 and is provided with a liquid return port, a nitrogen supply port, a nitrogen discharge port and a liquid level port.
The sulfuric acid unloading buffer tank is a double-layer flat-top flat-bottom normal pressure tank, a non-horizontal single-layer normal pressure seal tank is low in manufacturing cost, a vertical detection pipe is arranged, whether the tank is leaked or not can be detected regularly, the environment-friendly safety requirement is met, even if the leakage is not found timely, the pollution to soil and underground water can not be caused, an anti-seepage tank pool does not need to be made, the tank can be buried underground directly, the civil engineering construction cost is reduced, an unloading pump can be arranged on the tank top and is organically combined with the tank, and the pump can be completely discharged and the like and can return to. The safety is increased.
the device adopts a flat top and a flat bottom, the detection vertical pipe is arranged on the jacket, so that the problems that the existing sulfuric acid unloading tank equipment is high in manufacturing cost and civil engineering cost, corrosive soil and water are leaked, and the leakage cannot be found in time can be solved, the unloading pump can be placed on the tank top, the inlet pipeline of the pump is shortened, the land occupation cost of the tank and the pump is reduced, and land resources are saved.
when in use, the equipment process flow chart is as follows: the sulfuric acid tank wagon is driven to a slope near the unloading buffer tank, nitrogen supply and discharge valves are opened, a quick-opening hand hole H1(H2 or H3) is opened, a hose carried by the sulfuric acid tank wagon is inserted into the hand hole H1, and the sulfuric acid tank wagon is fixed through a hose chute of a tank cofferdam, so that the hose is prevented from being turbulent during unloading. And opening the unloading valve of the tank car, and unloading by gravity flow. And after the remote transmission liquid level meter gives out an audible and visual alarm, closing the unloading valve, recovering the unloading hose, and closing the quick-opening hand hole under the protection of a nitrogen seal to finish the unloading operation.
Schematic diagram of the equipment layout: the plane layout of the sulfuric acid unloading tank is characterized in that the sulfuric acid unloading buffer tank is directly buried underground, a cofferdam with the height of 800mm is arranged around the sulfuric acid unloading buffer tank, the cofferdam and the ground in the cofferdam are protected from sulfuric acid corrosion, and a liquid accumulation pit is arranged in the cofferdam to collect sulfuric acid which runs out, overflows and drips. The cofferdam is provided with a step which is convenient to enter the cofferdam.
Schematic diagram of the equipment layout: the vertical layout of the BZ-02 sulfuric acid unloading tank can clearly understand the burial depth of the unloading buffer tank and the height of the hose chute on the cofferdam.
The overall structure schematic diagram: the equipment for unloading the buffer tank by using the sulfuric acid is detailed in the manufacturing process, and a passivation film can be formed on carbon steel due to the strong oxidizing property of the concentrated sulfuric acid, so that the carbon steel can be used as the material of the equipment. In order to prevent unsafe detection once sulfuric acid leaks, a detection vertical pipe is arranged above the jacket. The pipe orifice designed by the equipment can meet the requirements of all pipelines and pipe fittings required by unloading, and meets the requirements of environmental protection and 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. Without further limitation. The phrase "comprising a defined element does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.
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 (6)
1. The utility model provides a sulphuric acid buffer tank that unloads, includes and presss from both sides cover bottom plate (1), its characterized in that: the improved inner barrel structure is characterized in that an outer barrel (5) is fixedly connected to the top of a clamping sleeve bottom plate (1), the top of the clamping sleeve bottom plate (1) is located at the bottom of an inner cavity of the outer barrel (5) and is provided with an inner barrel bottom plate (3), a plurality of I-shaped steels (19) are arranged between the inner barrel bottom plate (3), one side of the inner barrel bottom plate (3) far away from the clamping sleeve bottom plate (1) is fixedly connected with an inner barrel (4), a top cover (9) is fixedly connected with the top of the inner barrel (4), a hand hole (10) is formed in the left side of the top of the inner barrel (4), a connecting pipe (7) is fixedly connected to the bottom of the inner surface of the hand hole (10), a position fixedly connected with an anti-impact baffle (6) close to one side of the inner barrel.
2. The sulfuric acid unloading buffer tank of claim 1, wherein: the top of the jacket bottom plate (1) is positioned at two sides of the outer cylinder (5) and fixedly connected with angle steel (2), and one side of the angle steel (2) close to the inner cylinder bottom plate (3) is fixedly connected with the outer cylinder (5).
3. The sulfuric acid unloading buffer tank of claim 1, wherein: one side of the outer cylinder (5) far away from the jacket bottom plate (1) is fixedly connected with a jacket cover plate (8), the inner surface of the jacket cover plate (8) is fixedly connected with the inner cylinder (4), and the jacket cover plate (8) is positioned on two sides of the inner cylinder (4) and is provided with detection ports (12).
4. The sulfuric acid unloading buffer tank of claim 1, wherein: the top cover (9) top is located the position fixedly connected with channel-section steel (11) of hand hole (10), hand hole (10) surface and channel-section steel (11) fixed connection.
5. The sulfuric acid unloading buffer tank of claim 1, wherein: the top of the manhole (17) is fixedly connected with a cover plate (16) through a bolt (13), a nut (14) and a gasket (15).
6. The sulfuric acid unloading buffer tank of claim 1, wherein: submerged pump interface (18) have been seted up to the position that inner tube (4) top is located between hand hole (10) and manhole (17), inner tube (4) top is located manhole (17) surface and has been seted up back liquid mouth, backward flow mouth, supplies nitrogen mouth, row's nitrogen mouth and liquid level mouth.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920437847.4U CN209777303U (en) | 2019-04-02 | 2019-04-02 | Sulfuric acid buffer tank that unloads |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920437847.4U CN209777303U (en) | 2019-04-02 | 2019-04-02 | Sulfuric acid buffer tank that unloads |
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| Publication Number | Publication Date |
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| CN209777303U true CN209777303U (en) | 2019-12-13 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920437847.4U Active CN209777303U (en) | 2019-04-02 | 2019-04-02 | Sulfuric acid buffer tank that unloads |
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| CN (1) | CN209777303U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114524203A (en) * | 2020-10-31 | 2022-05-24 | 中国石油化工股份有限公司 | Vertical metal storage tank |
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2019
- 2019-04-02 CN CN201920437847.4U patent/CN209777303U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114524203A (en) * | 2020-10-31 | 2022-05-24 | 中国石油化工股份有限公司 | Vertical metal storage tank |
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