CN101139029A - Storage tank of inner floated roof suspension central drainage system - Google Patents
Storage tank of inner floated roof suspension central drainage system Download PDFInfo
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- CN101139029A CN101139029A CN 200710018922 CN200710018922A CN101139029A CN 101139029 A CN101139029 A CN 101139029A CN 200710018922 CN200710018922 CN 200710018922 CN 200710018922 A CN200710018922 A CN 200710018922A CN 101139029 A CN101139029 A CN 101139029A
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Abstract
The present invention relates to a storage tank for inner floating roof hanging central discharging system and comprises a tank body (8), an inner floating roof (1) and a central discharging device. The present invention is characterized in that the upper part of the tank body (8) is the inner floating roof (1), the lower part of the inner floating roof (1) has a liquid collection storehouse (2), and the liquid collection storehouse (2) is communicated with the central discharging device and a siphon (4) in a sealing way; a liquid inlet hole (6) and an air exhaust hole (5) are arranged around the liquid collection storehouse (2), the air exhaust hole (5) is arranged above and the liquid inlet hole (6) is arranged below; when liquid in the upper part needs to be discharged, the liquid inlet hole (6) and the air exhaust hole (5) can be opened; liquid in the upper layer can get into the liquid collection storehouse (2) through the liquid inlet hole (6) and then can be discharged to the outside of the tank through the central discharging device. On the condition of ensuring normal operation of the central discharging device, the inner floating roof hanging central discharging system can reduce medium loss on one hand, and is suitable for production of arbitrary high degree medium on the other hand.
Description
Technical field
The present invention relates in lighter hydrocarbons accumulating or the methyl alcohol sewage treatment project storage tank, particularly need to discharge the storage tank of a kind of inner floated roof suspension central authorities drainage system of differing heights layer liquid dielectric.
Background technology
In existing lighter hydrocarbons accumulating or the design of methyl alcohol sewage treatment project, two kinds of methods are adopted in the extraction of various oil products and sewage containing methanol usually.A kind of method is to adopt liquid top not have the unsteady fuel-displaced device of cladding system (both not had inner floating roof).Second method is that a certain certain height is extracted out from the jar bottom.The former is not because liquid level has covering, and oil and gas loss is very big.Though the latter has introduced the inner floating roof structure, liquid level has been realized that all standing has reduced oil and gas loss, can not usually the N/R compound be extracted out to next step technology and result in hand cramps in height extraction at random.
Summary of the invention
The objective of the invention is to be to provide the storage tank of the central drainage system of a kind of inner floated roof suspension, it can reduce relative permitivity on the one hand under the situation of guaranteeing the normal operation of central freeing arrangement; Be fit to the extraction of arbitrary height medium on the other hand.
Technical scheme of the present invention is: the storage tank that designs the central drainage system of a kind of inner floated roof suspension, it comprises inner floating roof 1 and central freeing arrangement in tank body 8, the tank body, it is characterized in that: the top of tank body 8 is inner floating roofs 1, liquid-collecting bin 2 is arranged at the bottom of inner floating roof 1, and liquid-collecting bin 2 is communicated with central freeing arrangement and siphon 4 sealings; Inlet opening 6 and deflation hole 5 are arranged around the liquid-collecting bin 2, and deflation hole 5 is last, and inlet opening 6 is following; When discharging upper liquid, open inlet opening 6 and deflation hole 5; Supernatant liquid enters liquid-collecting bin 2 by inlet opening 6, then by outside the central freeing arrangement drain tank; When needing the liquid of drain tank bottom, close inlet opening 6 and deflation hole 5; Utilize siphonic effect that the liquid of siphon 4 lower port is drawn to liquid-collecting bin 2, by the liquid of central freeing arrangement drain tank bottom.
Described siphon 4 is flexible tubies 3.
Described central freeing arrangement is the connector of flexible tube 3 and control cock 7.
Described flexible tube 3 is collapsible pipelines that metal connecting hose 11 and rigid pipe constitute.
Described flexible tube 3 is teflon hoses.
Described liquid-collecting bin 2 is that its cross section of body is closed circle or square, and liquid-collecting bin 2 lower ends or side have interface, and liquid-collecting bin 2 upper ends and inner floating roof 1 lower surface are sealed into one.
Described inlet opening 6 and deflation hole 5 are connected with electromagnetic valve.
Characteristics of the present invention are: the inner floating roof in the tank body can significantly reduce the loss of medium.Liquid-collecting bin is arranged at the bottom of inner floating roof, and liquid-collecting bin is connected with central freeing arrangement and siphon simultaneously; The body of siphon and central freeing arrangement is a flexible tube, and particularly the body of central freeing arrangement carries out arbitrarily angled stretching by adopting soft joint of more piece metal and rigid pipe.Make central freeing arrangement move up and down and move, can extract the liquid of differing heights layer out with inner floating roof, or even the liquid (utilizing siphonic effect) of jar a certain certain height in bottom.Like this, just can satisfy the liquid extraction of jar interior differing heights layer, satisfy actual demands of engineering.
Description of drawings
The present invention will be further described below in conjunction with the embodiment accompanying drawing.
Fig. 1 is the scheme drawing of embodiment of the invention structure.
Among the figure: 1, inner floating roof; 2, liquid-collecting bin; 3, flexible tube; 4, siphon; 5 deflation holes; 6, inlet opening; 7, control cock; 8, tank body; 9, the flat pipe of stretching; 10, liquid; 11, metal connecting hose; 12, support.
The specific embodiment
Embodiment as shown in Figure 1, the top of tank body 8 is inner floating roofs 1, inner floating roof 1 cooperates installation with tank body 8.The bottom of inner floating roof 1 is a liquid-collecting bin 2, and liquid-collecting bin 2 bottoms or side are communicated with central freeing arrangement and siphon 4 sealings by joint.Around the liquid-collecting bin 2 inlet opening 6 and deflation hole 5 are arranged, the quantity of inlet opening 6 and deflation hole 5 is decided according to the size of tank body 8.Inlet opening 6 is connected with electromagnetic valve with deflation hole 5.Inlet opening 6 is following during design, and deflation hole 5 is last, and deflation hole 5 also can claim balance hole, is in order to keep tank body 8 internal and external pressure balances.
Liquid-collecting bin 2 in the embodiment of the invention is that its cross section of body is closed circle or square, and liquid-collecting bin 2 lower ends or side have interface, by the joint on the interface liquid-collecting bin 2 is communicated with central freeing arrangement and siphon 4.The upper end of liquid-collecting bin 2 and inner floating roof 1 lower surface are sealed into one.Central authorities' freeing arrangement 3 is connectors of flexible tube 3 and control cock.Here flexible tube adopts metal connecting hose 11 and rigid pipe to form collapsible pipeline.Its length is the effective discharged liquid and unaffected of central authorities' freeing arrangement 3 in the time of will guaranteeing that tank body 8 arrives high liquid level (HLL).In order to guarantee when liquid level changes up and down, inner floating roof 1 bonded assembly flexible tube 3 is the collapsible pipelines that metal connecting hose 11 and rigid pipe form that can stretch, it can be to the liquid outlet influence of tank body 8, the flat pipe 9 of stretching of one joint is arranged in the bottom of tank body 8, put down and stretch pipe 9 is fixed on tank body 8 by support 12 bottom, flat pipe 9 one ends of stretching are connected with collapsible pipeline, the other end is connected with the liquid outlet of tank body 8 bottoms, in the time of so just guaranteeing that collapsible pipeline stretches, can not cause liquid outlet damage to tank body 8 under long-term active state.
Siphon 4 in the embodiment of the invention is flexible tubies 3.Flexible tube 3 is teflon hose or PVC flexible pipe or the flexible pipe that metal connecting hose 11 is arranged, and it and rigid pipe form collapsible pipeline.Siphon 4 upper ends are communicated with liquid-collecting bin 2 sealings, and another is looked closely the position of discharging lower end liquid and decides.
During work, when near the lower surface of only discharging liquid-collecting bin 2 during liquid, open the electromagnetic valve switch that is connected on inlet opening 6 and the deflation hole 5, supernatant liquid enters liquid-collecting bin 2 by inlet opening 6, open control cock 7, discharge near the lower surface of liquid-collecting bin 2 liquid outside tank body 8 by central freeing arrangement then.When needing the liquid of a certain certain height in drain tank bottom, close the electromagnetic valve switch of inlet opening 6 and deflation hole 5, open control cock 7, lower floor's liquid is drawn the liquid of siphon 4 lower port to liquid-collecting bin 2, then by outside the liquid drain tank of central freeing arrangement with pot bottom by siphon 4.When utilizing siphonic effect, at first in liquid-collecting bin 2, produce negative pressure, just add negative pressure, carry out the following row of liquid 10 at liquid outlet by central freeing arrangement.
Before enforcement, should at first consider to add liquid-collecting bin 2 and central freeing arrangement after, to the buoyancy of inner floating roof 1 and the influence of motion.Except considering the weight of liquid-collecting bin 2 itself, also to consider the quantity, mounting means of the weight of liquid behind the topping up, central freeing arrangement etc., recomputate the buoyancy of inner floating roof 1; Also should consider inner floating roof 1 lateral impact to tank skin under the synergy of liquid-collecting bin 2 and central freeing arrangement simultaneously, and the path of motion that whether can influence inner floating roof 1, chuck accident etc. caused.
During installation, at first inner floating roof 1 is installed in the tank body 8, then liquid-collecting bin 2 is connected the bottom of inner floating roof 1, central authorities' freeing arrangement is connected the bottom or the side of liquid-collecting bin 2, the position of the liquid level that takes out as required then, adopt liquid-collecting bin 2 sides to open inlet opening 6 or be connected respectively, then central freeing arrangement bottom is fixed, and be connected with the outer process pipe of jar with flexible duct at the bottom of extending into jar.So just realized purpose with arbitrary height medium extraction in the jar.
Claims (7)
1. the storage tank of inner floated roof suspension central authorities drainage system, it comprises inner floating roof (1) and central freeing arrangement in tank body (8), the tank body, it is characterized in that: the top of tank body (8) is inner floating roof (1), liquid-collecting bin (2) is arranged at the bottom of inner floating roof (1), and liquid-collecting bin (2) is communicated with central freeing arrangement and siphon (4) sealing; Liquid-collecting bin (2) has inlet opening (6) and deflation hole (5) on every side, and deflation hole (5) is last, and inlet opening (6) is following; When discharging upper liquid, open inlet opening (6) and deflation hole (5); Supernatant liquid enters liquid-collecting bin (2) by inlet opening (6), then by outside the central freeing arrangement drain tank; When needing the liquid of drain tank bottom, close inlet opening (6) and deflation hole (5); Utilize siphonic effect that the liquid of siphon (4) lower port is drawn to liquid-collecting bin (2), by the liquid of central freeing arrangement drain tank bottom.
2. the storage tank of the central drainage system of inner floated roof suspension according to claim 1, it is characterized in that: described siphon (4) is flexible tube (3).
3. the storage tank of the central drainage system of inner floated roof suspension according to claim 1, it is characterized in that: described central freeing arrangement is the connector of flexible tube (3) and control cock (7).
4. the storage tank of the central drainage system of inner floated roof suspension according to claim 3 is characterized in that: described flexible tube (3) is the collapsible pipeline that metal connecting hose (11) and rigid pipe constitute.
5. the storage tank of the central drainage system of inner floated roof suspension according to claim 2, it is characterized in that: described flexible tube (3) is a teflon hose.
6. the storage tank of the central drainage system of inner floated roof suspension according to claim 1, it is characterized in that: described liquid-collecting bin (2) is that its cross section of body is closed circle or square, liquid-collecting bin (2) lower end or side have interface, and liquid-collecting bin (2) upper end is sealed into one with inner floating roof (1) lower surface.
7. the storage tank of the central drainage system of inner floated roof suspension according to claim 1, it is characterized in that: described inlet opening (6) and deflation hole (5) are connected with electromagnetic valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710018922 CN101139029A (en) | 2007-10-23 | 2007-10-23 | Storage tank of inner floated roof suspension central drainage system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200710018922 CN101139029A (en) | 2007-10-23 | 2007-10-23 | Storage tank of inner floated roof suspension central drainage system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101139029A true CN101139029A (en) | 2008-03-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200710018922 Pending CN101139029A (en) | 2007-10-23 | 2007-10-23 | Storage tank of inner floated roof suspension central drainage system |
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| Country | Link |
|---|---|
| CN (1) | CN101139029A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629852A (en) * | 2019-09-25 | 2019-12-31 | 台晨茜 | Sponge city is with shrink pipeline |
| US11964816B2 (en) | 2021-04-15 | 2024-04-23 | Saudi Arabian Oil Company | Sulfur storage tank cleanout |
-
2007
- 2007-10-23 CN CN 200710018922 patent/CN101139029A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110629852A (en) * | 2019-09-25 | 2019-12-31 | 台晨茜 | Sponge city is with shrink pipeline |
| CN110629852B (en) * | 2019-09-25 | 2021-03-02 | 湖南凯迪工程科技有限公司 | Sponge city is with shrink pipeline |
| US11964816B2 (en) | 2021-04-15 | 2024-04-23 | Saudi Arabian Oil Company | Sulfur storage tank cleanout |
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Open date: 20080312 |