CN206772944U - External floating top tank remote gas density monitoring system - Google Patents
External floating top tank remote gas density monitoring system Download PDFInfo
- Publication number
- CN206772944U CN206772944U CN201720588166.9U CN201720588166U CN206772944U CN 206772944 U CN206772944 U CN 206772944U CN 201720588166 U CN201720588166 U CN 201720588166U CN 206772944 U CN206772944 U CN 206772944U
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- Prior art keywords
- oxygen detection
- hydrocarbon exploration
- oxygen
- main
- oil gas
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Abstract
A kind of external floating top tank remote gas density monitoring system, including storage tank, combustible oil gas detector, oxygen sensor and some hydrocarbon exploration branch pipes, endless tube, main and oxygen detection branch pipe, endless tube, main.Combustible oil gas detector and oxygen sensor are in computer room, oil gas and oxygen detection main are mounted in escalator both sides, some oil gas and oxygen detection branch pipes are along storage tank circumference equidistantly distributed, one end of oil gas and oxygen detection branch pipe is with one, secondary seal circle institute enclosure cavity body phase is led to, the other end communicates with corresponding oil gas and oxygen detection endless tube, the other end of oil gas and oxygen detection endless tube communicates with corresponding oil gas and oxygen detection main, oil gas and the oxygen detection main other end are communicated by oil gas and oxygen detection pipeline with combustible oil gas detector and oxygen sensor, asepwirator pump is respectively arranged with oil gas and oxygen detection pipeline.The utility model can not only monitor first and second sealing ring institute enclosure cavity body gas concentration in real time, and monitoring accuracy is high, and use is safer.
Description
Technical field
External floating top tank gas concentration monitoring field is the utility model is related to, is especially that a kind of external floating top tank remote gas is dense
Spend monitoring system.
Background technology
The floating roof of external floating top tank is a floating top cover swum on reservoir surface, with the input and output of liquid storage on
Lower floating, an annular space is formed between floating top cover periphery and reservoir walls, first and second is provided with this annular space
Sealing ring, makes the liquid in storage tank when top cover fluctuates and atmospheric isolation, so as to greatly reduce liquid storage during storage
Evaporation loss.When storing oil product using external floating top tank, oil product loss 80% or so is reduced than fixed tank.
In external floating top tank fire incident, too high combustable gas concentration between first and second sealing ring is to cause lightning fire
One of major reason, therefore, it is necessary to be monitored in real time to the gas concentration in the annular space.Traditional gas concentration prison
Examining system is that gas detector is arranged at into tested gas present position, and be filled with the sealing ring of external floating top tank first and second can
Fuel oil oxygen mixture, fire risk is very big, increases electrical equipment in sealing ring, can undoubtedly increase fire risk.
Utility model content
The technical problems to be solved in the utility model, which is to provide one kind, can not only monitor first and second sealing ring institute in real time
Gas concentration in enclosure cavity body, and monitoring accuracy is higher, uses safer external floating top tank remote gas concentration monitor system
System.
Technical solution of the present utility model is to provide a kind of external floating top tank remote gas concentration with following structure
Monitoring system, including storage tank, combustible oil gas detector and oxygen sensor, storage tank inner chamber top are provided with floating roof, at the top of floating roof with
Escalator is housed between tank top edge, an annular space is formed between floating roof periphery and reservoir walls, the annular is empty
In be provided with first and second sealing ring, wherein, in addition to some hydrocarbon exploration branch pipes, hydrocarbon exploration endless tube, hydrocarbon exploration do
Pipe, oxygen detection branch pipe, oxygen detection endless tube and oxygen detection main, combustible oil gas detector and oxygen sensor are mounted in machine
In room, some the hydrocarbon exploration mains and oxygen detection main are arranged on escalator two along the incline direction of escalator
Side, some the hydrocarbon exploration endless tubes and oxygen detection endless tube are respectively positioned on above floating roof, some the hydrocarbon exploration branch pipes and oxygen
Gas detection branch pipe is equidistantly uniformly distributed along storage tank circumference, one end of hydrocarbon exploration branch pipe and oxygen detection branch pipe with one,
Secondary seal circle institute enclosure cavity body phase is led to, and the other end communicates with corresponding hydrocarbon exploration endless tube and the connection of oxygen detection endless tube respectively,
The other end of hydrocarbon exploration endless tube and oxygen detection endless tube connects with corresponding hydrocarbon exploration main and oxygen detection main respectively
Communicate, the other end of hydrocarbon exploration main and oxygen detection main respectively by hydrocarbon exploration pipeline and oxygen detection pipeline with can
Fuel vapor detector and oxygen sensor are communicated, and asepwirator pump is respectively arranged with hydrocarbon exploration pipeline and oxygen detection pipeline.
External floating top tank remote gas density monitoring system described in the utility model, wherein, hydrocarbon exploration pipeline and oxygen
Annular air cavity is provided with detection pipeline, annular air cavity is located at the front of asepwirator pump, combustible oil gas detector and oxygen detection
The air inlet of device communicates with corresponding annular air cavity respectively.
External floating top tank remote gas density monitoring system described in the utility model, wherein every hydrocarbon exploration branch pipe and oxygen
Vertical range between the bottom of gas detection branch pipe and once sealing circle is 0.3m.
External floating top tank remote gas density monitoring system described in the utility model, wherein, oxygen detection branch pipe, oxygen are visited
The quantity for surveying endless tube and oxygen detection main is four, each two of the both sides of escalator, hydrocarbon exploration branch pipe, hydrocarbon exploration
The quantity of endless tube and hydrocarbon exploration main is ten, each five of the both sides of escalator.
External floating top tank remote gas density monitoring system described in the utility model, wherein, oxygen detection endless tube and oxygen
Detection main, oxygen detection main and oxygen detection pipeline, hydrocarbon exploration endless tube and hydrocarbon exploration main and hydrocarbon exploration are done
Pipe between hydrocarbon exploration pipeline by connection by metal hose with being communicated.
After above structure, compared with prior art, the utility model external floating top tank remote gas density monitoring system
With advantages below：Gas detector is directly arranged at tested gas present position from prior art different, the utility model
Combustible oil gas detector and oxygen sensor are arranged in the computer room outside fire wall, by asepwirator pump, hydrocarbon exploration pipeline and
Tested gas is sucked computer room by oxygen detection pipeline, dense to combustable gas concentration and oxygen in first and second sealing ring so as to realize
The purpose monitored in real time is spent, ensure that the security of system；Along the equidistant equally distributed oxygen detection branch of storage tank circumference
The gas that pipe and hydrocarbon exploration branch pipe can be enclosed in larger volume cavity at diverse location to first and second sealing ring is adopted
Collection so that monitoring accuracy is higher than prior art.
The setting of annular air cavity can make the combustible oil gas of suction and oxygen exist on hydrocarbon exploration pipeline and oxygen detection pipeline
Before combustible oil gas detector and oxygen sensor detection, it is sufficiently mixed in this annular air cavity, is then detected again, so as to
Further improve the monitoring accuracy of gas concentration.
Vertical range between the bottom and once sealing circle of hydrocarbon exploration branch pipe and oxygen detection branch pipe is arranged to
0.3m, it can further improve the monitoring accuracy of gas concentration.
Four and ten along storage tank circumference, equidistantly equally distributed oxygen detection branch pipe and hydrocarbon exploration branch pipe can respectively
In the case where effectively reducing cost, the combustable gas concentration in first and second sealing ring institute enclosure cavity body everywhere is fully gathered.
The setting of metal hose can ensure to gather the normal transmission of gas when floating roof fluctuates.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the utility model external floating top tank remote gas density monitoring system；
Fig. 2 is hydrocarbon exploration pipeline in the utility model external floating top tank remote gas density monitoring system, combustible oil gas spy
Survey structural representation when device, annular air cavity and asepwirator pump connect.
Embodiment
The utility model external floating top tank remote gas density monitoring system is made with reference to the accompanying drawings and detailed description
It is further described：
As shown in figure 1, in this embodiment, the utility model external floating top tank remote gas density monitoring system bag
Include storage tank 10, combustible oil gas detector 40, oxygen sensor 50 and some hydrocarbon exploration branch pipes 70, hydrocarbon exploration endless tube 71,
Hydrocarbon exploration main 72, oxygen detection branch pipe 80, oxygen detection endless tube 81 and oxygen detection main 82.The inner chamber top of storage tank 10 is set
There is floating roof, escalator 30, shape between floating roof periphery and the inwall of storage tank 10 are housed between the top sides of storage tank 10 edge at the top of floating roof
Into an annular space, first and second sealing ring is provided with the annular space.Combustible oil gas detector 40 and oxygen sensor 50
In the computer room 60 outside fire wall.Some the hydrocarbon exploration mains 72 and oxygen detection main 82 are along escalator 30
Incline direction be arranged on escalator 30 both sides, some the hydrocarbon exploration endless tubes 71 and oxygen detection endless tube 81 are respectively positioned on
Above floating roof, some the hydrocarbon exploration branch pipes 70 and oxygen detection branch pipe 80 are equidistantly uniformly distributed along the circumference of storage tank 10.
The bottom of each hydrocarbon exploration branch pipe 70 communicates with first and second sealing ring institute enclosure cavity body 20, each hydrocarbon exploration branch pipe 70
Top communicates with the connection of corresponding one end of hydrocarbon exploration endless tube 71, the other end and the hydrocarbon exploration main of hydrocarbon exploration endless tube 71
72 connections are communicated, and the other end of hydrocarbon exploration main 72 is communicated by hydrocarbon exploration pipeline 73 with combustible oil gas detector 40.Often
The bottom of individual oxygen detection branch pipe 80 leads to first and second sealing ring institute enclosure cavity body phase, the top of each oxygen detection branch pipe 80
Communicated with the connection of corresponding one end of oxygen detection endless tube 81, the other end and the oxygen detection main 82 of oxygen detection endless tube 81 connect
Connect and communicate, the other end of oxygen detection main 82 is communicated by oxygen detection pipeline 83 with oxygen sensor 50.Above-mentioned every oil
The vertical range that gas is detected between branch pipe 70 and the bottom of oxygen detection branch pipe 80 and once sealing circle is 0.3m.
With reference to Fig. 2, asepwirator pump 100 is housed on hydrocarbon exploration pipeline 73, annular air cavity is provided with hydrocarbon exploration pipeline 73
101, asepwirator pump is also equipped with oxygen detection pipeline 83, and is also equipped with annular air cavity.Annular air cavity 101 is located at asepwirator pump
100 front, the air inlet of combustible oil gas detector 40 and the air inlet of oxygen sensor 50 respectively with corresponding annular air cavity
101 communicate.The setting of annular air cavity can make the combustible oil gas and oxygen of suction on hydrocarbon exploration pipeline 73 and oxygen detection pipeline 83
Gas is sufficiently mixed before being detected by combustible oil gas detector 40 and oxygen sensor 50 in this annular air cavity, is then carried out again
Detection, so as to further improve the monitoring accuracy of gas concentration.
In this embodiment, the utility model visits oxygen detection branch pipe 80, oxygen detection endless tube 81 and oxygen
The quantity for surveying main 82 is disposed as four, and each two of the both sides of escalator 30, oxygen detection branch pipe 80 is using a diameter of
0.7cm coating steel pipe；The quantity of hydrocarbon exploration branch pipe 70, hydrocarbon exploration endless tube 71 and hydrocarbon exploration main 72 is disposed as
Ten, each five of the both sides of escalator 30, hydrocarbon exploration branch pipe 70 uses a diameter of 0.7cm coating steel pipe.
When floating roof fluctuates, in order to ensure the normal transmission of gathered gas, oxygen detection endless tube 81 is visited with oxygen
Survey main 82, oxygen detection main 82 and oxygen detection pipeline 83, hydrocarbon exploration endless tube 71 and hydrocarbon exploration main 72 and oil
Gas is detected and communicated between main 72 and hydrocarbon exploration pipeline 73 by the connection of metal hose 90.
Combustible oil gas detector 40 and oxygen sensor 50 are arranged in the computer room 60 outside fire wall by the utility model, so
Tested gas is sucked by computer room 60 by asepwirator pump 100, hydrocarbon exploration pipeline 73 and oxygen detection pipeline 83 afterwards, adjusts tested gas
Rate of flow of fluid 0.6m/s, so as to realize the real-time monitoring to combustable gas concentration in first and second sealing ring and oxygen concentration, it ensure that
The security of system, reliable foundation is provided for the start and stop of nitrogen filled protection system；It is equidistantly equally distributed along the circumference of storage tank 10
Some oxygen detection branch pipes 80 and hydrocarbon exploration branch pipe 70 can enclose different positions in larger volume cavity to first and second sealing ring
The gas at the place of putting is acquired so that monitoring accuracy is higher than prior art.
Embodiment described above is only that preferred embodiment of the present utility model is described, not to this practicality
New scope is defined, and on the premise of the utility model design spirit is not departed from, those of ordinary skill in the art are to this
The various modifications and improvement that the technical scheme of utility model is made, all should fall into the scope of protection of the utility model.
Claims (5)
1. a kind of external floating top tank remote gas density monitoring system, including storage tank (10), combustible oil gas detector (40) and oxygen
Detector (50), storage tank (10) the inner chamber top are provided with floating roof, are equipped with certainly between storage tank (10) top sides edge at the top of floating roof
Dynamic staircase (30), an annular space is formed between floating roof periphery and storage tank (10) inwall, one, two are provided with the annular space
Secondary sealing ring, it is characterised in that：Also include some hydrocarbon exploration branch pipes (70), hydrocarbon exploration endless tube (71), hydrocarbon exploration main
(72), oxygen detection branch pipe (80), oxygen detection endless tube (81) and oxygen detection main (82), the combustible oil gas detector
(40) and oxygen sensor (50) is in computer room (60), some hydrocarbon exploration mains (72) and oxygen detection main
(82) escalator (30) both sides, some hydrocarbon exploration endless tubes (71) are arranged on along the incline direction of escalator (30)
It is respectively positioned on oxygen detection endless tube (81) above floating roof, some hydrocarbon exploration branch pipes (70) and oxygen detection branch pipe (80) are equal
Equidistantly be uniformly distributed along storage tank (10) circumference, one end of hydrocarbon exploration branch pipe (70) and oxygen detection branch pipe (80) with one,
Secondary seal circle institute enclosure cavity body (20) communicates, the other end respectively with corresponding hydrocarbon exploration endless tube (71) and oxygen detection endless tube
(81) connection is communicated, and the other end of the hydrocarbon exploration endless tube (71) and oxygen detection endless tube (81) is visited with corresponding oil gas respectively
Survey main (72) and oxygen detection main (82) is connected and communicated, the hydrocarbon exploration main (72) and oxygen detection main (82)
The other end is visited by hydrocarbon exploration pipeline (73) and oxygen detection pipeline (83) with combustible oil gas detector (40) and oxygen respectively
Survey device (50) to communicate, asepwirator pump (100) is respectively arranged with the hydrocarbon exploration pipeline (73) and oxygen detection pipeline (83).
2. external floating top tank remote gas density monitoring system according to claim 1, it is characterised in that：The hydrocarbon exploration
Annular air cavity (101) is provided with pipeline (73) and oxygen detection pipeline (83), annular air cavity (101) is located at asepwirator pump
(100) air inlet of front, the combustible oil gas detector (40) and oxygen sensor (50) respectively with corresponding annular gas
Chamber (101) communicates.
3. external floating top tank remote gas density monitoring system according to claim 2, it is characterised in that：Every hydrocarbon exploration
Vertical range between the bottom and once sealing circle of branch pipe (70) and oxygen detection branch pipe (80) is 0.3m.
4. external floating top tank remote gas density monitoring system according to claim 3, it is characterised in that：The oxygen detection
The quantity of branch pipe (80), oxygen detection endless tube (81) and oxygen detection main (82) is four, the both sides of escalator (30)
Each two, the quantity of the hydrocarbon exploration branch pipe (70), hydrocarbon exploration endless tube (71) and hydrocarbon exploration main (72) is ten,
Each five of the both sides of escalator (30).
5. the external floating top tank remote gas density monitoring system according to Claims 1-4 any claim, its feature exist
In：The oxygen detection endless tube (81) and oxygen detection main (82), oxygen detection main (82) and oxygen detection pipeline (83),
Between hydrocarbon exploration endless tube (71) and hydrocarbon exploration main (72) and hydrocarbon exploration main (72) and hydrocarbon exploration pipeline (73)
Communicated by metal hose (90) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588166.9U CN206772944U (en) | 2017-05-25 | 2017-05-25 | External floating top tank remote gas density monitoring system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720588166.9U CN206772944U (en) | 2017-05-25 | 2017-05-25 | External floating top tank remote gas density monitoring system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206772944U true CN206772944U (en) | 2017-12-19 |
Family
ID=60639311
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720588166.9U Expired - Fee Related CN206772944U (en) | 2017-05-25 | 2017-05-25 | External floating top tank remote gas density monitoring system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206772944U (en) |
-
2017
- 2017-05-25 CN CN201720588166.9U patent/CN206772944U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171219 Termination date: 20210525 |