CN210479652U - Multifunctional breathing system for steel single-deck floating roof - Google Patents
Multifunctional breathing system for steel single-deck floating roof Download PDFInfo
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- CN210479652U CN210479652U CN201920981162.6U CN201920981162U CN210479652U CN 210479652 U CN210479652 U CN 210479652U CN 201920981162 U CN201920981162 U CN 201920981162U CN 210479652 U CN210479652 U CN 210479652U
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Abstract
The utility model discloses a steel list dish floats top and uses multi-functional respiratory, including marginal respiratory tube, floating plate respiratory tube, oil vapour collector, condensation baffle, lime set back flow, top breather valve flange, spark arrester, breather valve and relevant reinforcement bearing structure etc.. The edge breathing tube is communicated with the gas phase space of the floating top edge through an opening of an outer edge plate of the floating cabin, penetrates through the inside of the floating cabin and an inner edge plate of the floating cabin to the upper part of the floating disc, and is respectively connected with the floating disc breathing tube inserted into the floating disc and the oil-gas collector through a tee joint; two paths of oil vapor enter the oil vapor collector at the top of the floating disc, after the oil vapor flows through the condensation baffle in the oil vapor collector to be disturbed and condensed, most of the oil vapor is condensed at the lower edge of the baffle, liquid drops are collected by the conical bottom plate at the bottom of the oil vapor collector and then enter the pipe through the rectangular hole in the return pipe to return to the material under the floating disc, and only a small part of the oil vapor is discharged to the external environment through the flame arrester at the top of the oil vapor collector and the breather valve, so that the breathing loss is further reduced.
Description
Technical Field
The utility model relates to a steel single deck floats top and uses multi-functional respiratory relates to oil vapour product warehousing and transportation field.
Background
The floating roof structure of the steel single-disc floating roof storage tank mainly comprises a single disc and an annular floating cabin. Usually, the floating roof edge is provided with a breather valve for balancing the pressure of a gas phase space between the floating roof edge sealing device and the liquid surface, and preventing the damage of the sealing device caused by overlarge annular space pressure or fire caused by directly overflowing oil gas from the edge of the sealing device. The single-disc plate is also provided with a breather valve for eliminating gas phase space possibly existing under the single disc due to welding deformation or structural discontinuity, so that the floating roof can be lifted stably. The gas phase spaces of the two parts are filled with oil gas, the components are the same, the chemical properties are consistent, but due to technical limitation, the edge respiratory system and the floating disc respiratory system are not communicated with each other, and the investment is too high due to the use of independent respiratory pipelines, respiratory valves and flame arresters; the existing respiratory system is lack of an oil vapor recovery device, has large respiratory loss and is easy to pollute the environment.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a steel single deck floats top and uses multi-functional respiratory to reach following mesh:
a) the pressure of the gas phase space between the floating roof edge sealing device and the liquid level is balanced, and the gas phase space possibly existing under a single disc is eliminated;
b) the combination and element sharing of the edge respiratory system and the floating disc respiratory system are realized;
c) the breathing oil vapor of the storage tank is effectively recycled;
d) the breathing point is far away from the floating roof edge area which is easy to cause fire, and the fire risk is further reduced.
To achieve the above object, the technical solution of the present invention includes the following: the utility model provides a steel list dish floats top and uses multi-functional respiratory, includes marginal respiratory, floating plate respiratory and oil gas collection device, characterized by: the edge breathing system comprises an edge breathing pipe, the floating plate breathing system refers to a floating plate breathing pipe inserted into a gas phase space at the lower part of the floating plate, the oil-gas collecting device comprises an oil-gas collector, the edge breathing pipe, the floating plate breathing pipe and the oil-gas collector are connected by using a tee joint, and oil gas collected by the edge breathing pipe and the floating plate breathing pipe enters the oil-gas collector supported at the top of the floating plate; the oil-gas collector is supported by angle steel, and the condensate return pipe and the floating plate breathing pipe are fixed on the upper part of the floating plate.
Preferably, the edge breathing tube is connected to the gas phase space of the floating roof edge through the outer edge plate of the floating cabin (the opening is communicated with the gas phase space of the floating roof edge, and the edge breathing tube passes through the inner part of the floating cabin and the inner edge plate of the floating cabin to the upper part of the floating plate.
Preferably, the inside condensation baffle that sets up of oil vapour collector to reserve the gas flow channel, oil vapour meets behind the large tracts of land metal baffle quick heat conduction cooling along the condensation under the condensation baffle, and the lime set collects at the toper bottom plate of oil vapour collector bottom.
Preferably, the condensate return pipe is arranged in the center of a conical bottom plate at the bottom of the oil-gas collector, extends out of the conical bottom plate for a certain distance, and is provided with a plurality of rectangular hole-shaped condensate return channels for collecting condensate to enter the condensate return pipe.
Preferably, the center of the top plate of the oil-gas collector is welded with a breather valve flange connecting pipe, and a flame arrester and a breather valve are sequentially installed.
Preferably, the lower edge of the rectangular hole-shaped condensate return channel of the condensate return pipe is flush with the lowest point of the conical bottom plate of the oil-gas collector, so that the collected condensate is ensured to completely return.
Preferably, the edge breathing tube has an inclination of 1:100, so that the opening side of the outer edge plate of the buoyancy module is in a low position.
Preferably, condensation baffle one end and the welding of oil vapour collector barrel, the other end passes through the angle steel to be fixed on oil vapour collector barrel, and condensation baffle should set up in the half department of oil vapour collector height, reserves sufficient gaseous phase circulation passageway.
Preferably, the openings of the floating plate along the floating plate breathing pipe and the condensate return pipe are jointly reinforced by a floating plate reinforcing plate.
Compared with the prior art, the utility model discloses beneficial effect embodies as follows:
a) the utility model can ensure the pressure balance of the edge gas phase space of the steel single-deck floating roof storage tank and the gas phase space of the floating deck, and ensure the stable lifting of the floating roof and the safe operation of the storage tank;
b) the utility model realizes the combination and element sharing of the edge respiratory system and the floating plate respiratory system, and effectively reduces the construction investment;
c) most of the oil vapor in the utility model can be collected and condensed and then returned to the storage tank, thereby reducing the breathing loss of the storage tank, reducing the VOC emission and protecting the environment;
d) the utility model discloses can further reduce floating plate edge fire accident risk.
Drawings
Fig. 1 is a layout diagram of the multifunctional respiratory system of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a side view of fig. 1.
Figure 4 is the condensation baffle of the present invention.
Fig. 5 is a schematic view of the condensate return pipe of the present invention.
Fig. 6 is a cross-sectional view of fig. 5.
Fig. 7 is a schematic view of the upper reinforcing plate of the single-disc plate of the present invention.
In the drawings: 1-marginal breathing tube, 2-floating plate breathing tube, 3-oil vapour collector, 4-condensation baffle, 5-condensate back flow, 6-top breather valve flange, 7-spark arrester, 8-breather valve, 9-floating plate stiffening plate, 10-superficial cabin outward flange, 11-superficial cabin inward flange.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
As shown in fig. 1, fig. 2 and fig. 3, the steel single-deck floating roof multifunctional breathing system mainly comprises an edge breathing pipe 1, a floating deck breathing pipe 2, an oil-gas collector 3, a condensation baffle 4, a condensate return pipe 5, a breather valve flange 6, a flame arrester 7, a breather valve 8, a floating deck reinforcing plate 9, a relevant supporting structure and the like.
The edge breathing tube 1 is communicated with the gas phase space of the floating roof edge through an opening of an outer edge plate 10 of the floating cabin, and the edge breathing tube 1 penetrates through the inside of the floating cabin and an inner edge plate 11 of the floating cabin to the upper part of the floating plate.
The floating plate breathing tube 2 is inserted into the gas phase space at the lower part of the floating plate.
The edge breathing pipe 1, the floating plate breathing pipe 2 and the oil-gas collector 3 are connected through a tee joint, and oil gas collected by the edge breathing pipe 1 and the floating plate breathing pipe 2 all enters and is supported in the oil-gas collector 3 at the top of the floating plate.
The oil-gas collector 3 is supported by angle steel, and the condensate return pipe 5 and the floating plate breathing pipe 2 are fixed on the upper part of the floating plate.
As shown in figure 4, a condensation baffle 4 is welded in the oil-gas collector 3, a gas circulation channel is reserved, oil gas is rapidly conducted and cooled to be condensed into liquid under the baffle after meeting a large-area metal baffle, and liquid drops are collected on a conical bottom plate at the bottom of the oil-gas collector.
As shown in fig. 5 and 6, the condensate return pipe 5 is installed in the center of the conical bottom plate at the bottom of the oil-gas collector 3, extends out of the conical bottom plate for a certain distance, and is provided with a plurality of rectangular condensate return channels.
The center of the top plate of the oil-gas collector 3 is welded with a breather valve flange 6 connecting pipe which is sequentially provided with a flame arrester 7 and a breather valve 8.
When the edge breathing pipe 1 is installed, the inclination of 1:100 is required to be set, and the opening side of the outer edge plate 10 of the floating cabin is ensured to be in a low position.
The floating plate breathing tube 2 is not inserted too deeply into the lower surface of the floating plate, and is parallel and level with the lower surface of the floating plate as far as possible, so that the liquid seal failure is prevented.
The condensate return pipe 5 should be inserted at least 250mm below the floating plate to ensure the liquid seal and the secondary volatilization of the condensate.
As shown in fig. 7, the openings of the floating plate along the floating plate respiratory tube 2 and the condensate return tube 5 are reinforced by the floating plate reinforcing plate 9.
As shown in fig. 5 and 6, the lower edge of the rectangular hole-shaped condensate return channel of the condensate return pipe 5 is flush with the lowest point of the conical bottom plate of the oil-gas collector 3, so that the collected condensate is ensured to completely return.
As shown in fig. 4, the fixed end of the condensation baffle 4 should be arranged at the oil vapor inlet side to ensure the oil vapor to fully disturb the flow and condense; one end of the condensation baffle 4 is welded with the cylinder body of the oil-gas collector 3, the other end of the condensation baffle is fixed on the cylinder body of the oil-gas collector 3 through angle steel, and the condensation baffle 4 is arranged at one half of the height of the oil-gas collector 3 and reserves an enough gas phase circulation channel.
After the steel single-disc floating roof is installed by using the multifunctional breathing system, all welding joints are required to be subjected to kerosene leakage detection.
The above-mentioned specific embodiments further explain in detail the technical problems and technical solutions of the present invention. It should be understood that the above description is only exemplary of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (9)
1. The utility model provides a steel list dish floats top and uses multi-functional respiratory, includes marginal respiratory, floating plate respiratory and oil gas collection device, characterized by: the edge breathing system comprises an edge breathing pipe (1), the floating disc breathing system refers to a floating disc breathing pipe (2) inserted into a gas phase space at the lower part of the floating disc, the oil-gas collecting device comprises an oil-gas collector (3), the edge breathing pipe (1), the floating disc breathing pipe (2) and the oil-gas collector (3) are connected by using a tee joint, and oil gas collected by the edge breathing pipe (1) and the floating disc breathing pipe (2) enters the oil-gas collector (3) supported at the top of the floating disc; the oil-gas collector (3) is supported by angle steel, and the condensate return pipe (5) and the floating plate breathing pipe (2) are fixed on the upper part of the floating plate.
2. The steel-made multifunctional breathing system for a single deck floating roof as claimed in claim 1, wherein the edge breathing tube (1) is connected to the gas phase space at the edge of the floating roof through the opening of the outer edge plate (10) of the floating roof, and the edge breathing tube (1) passes through the inside of the floating roof and the inner edge plate (11) of the floating roof to the upper part of the floating roof.
3. The multifunctional breathing system for the steel single-deck floating roof as claimed in claim 1, wherein a condensation baffle (4) is arranged in the oil-gas collector (3), a gas circulation channel is reserved, oil-gas-oil-gas meets a large-area metal baffle, then heat conduction and temperature reduction are rapidly carried out, condensation is carried out on the lower edge of the condensation baffle (4), and condensate is collected on a conical bottom plate at the bottom of the oil-gas collector (3).
4. The multifunctional breathing system for the steel single-deck floating roof as claimed in claim 1, wherein the condensate return pipe (5) is installed at the center of the conical bottom plate at the bottom of the oil-gas collector (3), extends out of the conical bottom plate for a certain distance, and is provided with a plurality of rectangular hole-shaped condensate return channels for collecting condensate to enter the condensate return pipe (5).
5. The steel multifunctional breathing system for the single-disc floating roof as claimed in claim 1, wherein a breathing valve flange (6) connecting pipe is welded in the center of a top plate of the oil-gas collector (3), and a flame arrester (7) and a breathing valve (8) are sequentially installed.
6. The multifunctional breathing system for the steel single-deck floating roof as claimed in claim 4, wherein the lower edge of the rectangular hole-shaped condensate return channel of the condensate return pipe (5) is flush with the lowest point of the conical bottom plate of the oil-gas collector (3) to ensure that the collected condensate is completely returned.
7. The multifunctional breathing system for the steel single-deck floating roof as claimed in claim 4, wherein the edge breathing tube (1) has an inclination of 1:100 to ensure that the opening side of the outer edge plate (10) of the floating deck is in a low position.
8. The steel multifunctional breathing system for the single-disc floating roof as claimed in claim 1, wherein one end of the condensation baffle (4) is welded with the cylinder of the oil-gas collector (3), the other end of the condensation baffle is fixed on the cylinder of the oil-gas collector (3) through angle steel, and the condensation baffle (4) is arranged at a half of the height of the oil-gas collector (3) and is reserved with enough gas phase circulation channels.
9. The multifunctional breathing system for the steel single-disc floating roof as claimed in claim 1, wherein the openings on the floating disc along the floating disc breathing tube (2) and the condensate return pipe (5) are jointly reinforced by a floating disc reinforcing plate (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981162.6U CN210479652U (en) | 2019-06-27 | 2019-06-27 | Multifunctional breathing system for steel single-deck floating roof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920981162.6U CN210479652U (en) | 2019-06-27 | 2019-06-27 | Multifunctional breathing system for steel single-deck floating roof |
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| CN210479652U true CN210479652U (en) | 2020-05-08 |
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| CN201920981162.6U Active CN210479652U (en) | 2019-06-27 | 2019-06-27 | Multifunctional breathing system for steel single-deck floating roof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194331A (en) * | 2019-06-27 | 2019-09-03 | 华陆工程科技有限责任公司 | A kind of steel single-deck floating roof multifunctional breath system |
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2019
- 2019-06-27 CN CN201920981162.6U patent/CN210479652U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110194331A (en) * | 2019-06-27 | 2019-09-03 | 华陆工程科技有限责任公司 | A kind of steel single-deck floating roof multifunctional breath system |
| CN110194331B (en) * | 2019-06-27 | 2024-04-12 | 华陆工程科技有限责任公司 | Multifunctional respiratory system for steel single-disc floating roof |
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