CN110865155A - Integrated nitrogen injection and oxygen control fire protection system device - Google Patents
Integrated nitrogen injection and oxygen control fire protection system device Download PDFInfo
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- CN110865155A CN110865155A CN201911282553.XA CN201911282553A CN110865155A CN 110865155 A CN110865155 A CN 110865155A CN 201911282553 A CN201911282553 A CN 201911282553A CN 110865155 A CN110865155 A CN 110865155A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C2/00—Fire prevention or containment
- A62C2/04—Removing or cutting-off the supply of inflammable material
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C3/00—Fire prevention, containment or extinguishing specially adapted for particular objects or places
- A62C3/06—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products
- A62C3/065—Fire prevention, containment or extinguishing specially adapted for particular objects or places of highly inflammable material, e.g. light metals, petroleum products for containers filled with inflammable liquids
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
- G05B19/054—Input/output
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Abstract
The invention relates to the technical field of oil tank fire prevention, in particular to an integrated nitrogen injection and oxygen control fire protection system device which comprises a nitrogen tank and an oil storage tank, wherein an oil gas probe, an exhaust pipe and a drainage guide pipe are sequentially embedded in the inner wall of the oil storage tank from top to bottom, the bottom surface of the nitrogen tank is communicated with the nitrogen guide pipe, one end, far away from the nitrogen tank, of the nitrogen guide pipe is communicated with one end of the drainage guide pipe, a sealing plate and sealing cloth are fixedly connected to the inner wall of the oil storage tank, a floating disc is movably connected to the surface of the sealing plate, the surface of the floating disc is fixedly connected with the surface of the sealing cloth, and; according to the invention, through the oil gas concentration detector and the PLC, when the oil gas concentration at the gap among the sealing cloth, the sealing plate and the oil storage tank exceeds the standard, the oil gas concentration detector can transmit signals to the PLC, and more complex pipelines are not required to be externally connected, so that the effects of reducing the damage probability of the pipelines and ensuring the normal work of the safety system are achieved.
Description
Technical Field
The invention relates to the technical field of oil tank fire prevention, in particular to an integrated nitrogen injection and oxygen control fire prevention system device.
Background
Petroleum is an essential fuel in modern society, and when the petroleum or other light fuel oil are stored, the petroleum is evaporated, so that a floating roof type oil storage tank is often needed to ensure that the oil tank is not provided with too much oil-gas mixture, and the safety problem is avoided.
Because the food tray in the floating roof type oil tank needs to go up and down along with the liquid level of oil and move about, therefore oil gas often can remain in the space between food tray and the oil tank outer wall, need use outside safety protection system to fill into inert gas for this department space and avoid appearing the phenomenon of the too high explosion of oil gas concentration, but current safety protection system often needs to use central monitoring host computer, supply nitrogen device and oil gas safety protection device etc. to protect the oil tank, required pipeline is comparatively complicated and longer, longer pipeline damage probability is higher in daily working process, and difficult troubleshooting appear in the problem, influence the holistic normal work of follow-up safety system.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides an integrated nitrogen injection and oxygen control fire protection system device which has the advantages of integrating a plurality of components required in the system, reducing the damage probability of pipelines, ensuring the normal work of a safety system and solving the problem of higher pipeline damage probability in the conventional safety protection device.
The invention discloses an integrated nitrogen-injection oxygen-control fire protection system device, which comprises a nitrogen tank and an oil storage tank, wherein an oil gas probe, an exhaust tube and a drainage guide tube are sequentially embedded in the inner wall of the oil storage tank from top to bottom, the bottom surface of the nitrogen tank is communicated with the nitrogen guide tube, one end of the nitrogen guide tube, which is far away from the nitrogen tank, is communicated with one end of the drainage guide tube, the inner wall of the oil storage tank is fixedly connected with a sealing plate and sealing cloth, the surface of the sealing plate is movably connected with a floating disc, the surface of the floating disc is fixedly connected with the surface of the sealing cloth, the surface of the oil storage tank is fixedly connected with a protective shell, the inner wall of the protective shell is fixedly connected with a separation plate, the top surface of the separation plate is fixedly connected with an oil gas concentration detector and a PLC (programmable logic controller), the surface of the oil gas concentration detector is communicated with, the inner wall of the protective shell is fixedly connected with an electromagnetic valve, the output end of the electromagnetic valve penetrates through the surface of the drainage catheter and extends to the inside of the drainage catheter, and the drainage catheter is communicated with the filtering inclined tube through a pipeline.
The integrated nitrogen injection and oxygen control fireproof system device comprises a protective shell, a photovoltaic plate, a storage battery and a power supply, wherein the photovoltaic plate is fixedly connected to the top surface of the protective shell, the storage battery is fixedly connected to the top surface of an inner cavity of the protective shell, and the storage battery is electrically connected with the photovoltaic plate through an electric wire.
The invention discloses an integrated nitrogen injection and oxygen control fire protection system device, wherein a PLC (programmable logic controller) is electrically connected with a storage battery, an oil-gas concentration detector, an air pump and the surface of an electromagnetic valve.
The integrated nitrogen injection and oxygen control fire protection system device comprises six protective shells and drainage conduits, wherein one protective shell and one drainage conduit form a group, and the six groups of protective shells and drainage conduits are uniformly distributed on the surface of an oil storage tank by taking the central axis of the top surface of the oil storage tank as a circular point.
The invention discloses an integrated nitrogen injection and oxygen control fire protection system device, wherein the surface of a nitrogen guide pipe is communicated with an annular guide pipe, and the annular guide pipe is communicated with the bottom ends of six drainage guide pipes through the nitrogen guide pipe.
The invention discloses an integrated nitrogen-injection oxygen-control fire protection system device, wherein the front section of a drainage catheter is L-shaped, a drainage plate is fixedly connected to the corner of the inner wall of the drainage catheter, and the drainage plate is positioned right below a communicating pipeline between the drainage catheter and a filtering inclined tube.
The invention discloses an integrated nitrogen-injection oxygen-control fire protection system device, wherein a radiating pipe is fixedly connected to the surface of a filtering inclined pipe, a liquid conveying pipe is communicated with the surface of the radiating pipe, an annular water tank is communicated with one end, far away from the radiating pipe, of the liquid conveying pipe, a water pump is arranged on the surface of the liquid conveying pipe, and the side surfaces of the annular water tank and the water pump are fixedly connected with the surface of a protective shell.
The invention discloses an integrated nitrogen-injection oxygen-control fire protection system device, wherein a blocking inclined plate is fixedly connected to the inner wall of a filtering inclined tube, a filtering cover is in threaded connection with one end, far away from a protective shell, of the filtering inclined tube, and a filter screen is arranged on the surface of the filtering cover.
Compared with the prior art, the invention has the following beneficial effects:
1. according to the invention, through the oil gas concentration detector and the PLC, when the oil gas concentration at the gap among the sealing cloth, the sealing plate and the oil storage tank exceeds the standard, the oil gas concentration detector can transmit a signal to the PLC, the PLC immediately controls the starting of the air suction pump and the electromagnetic valve, excessive oil gas in the oil storage tank can be pumped into the filtering inclined pipe, and oil steam can flow into the drainage guide pipe from the filtering inclined pipe and is sprayed into the oil storage tank along with nitrogen in the nitrogen guide pipe, so that other components in the existing protection system can be integrated together, more complex pipelines are not required to be externally connected, the pipeline damage probability is reduced, and the normal operation of the safety system is ensured.
2. According to the invention, through the blocking inclined plate and the radiating pipe, when oil gas enters the filtering inclined pipe, the internal temperature of the filtering inclined pipe can be reduced, so that the oil vapor can be changed into liquid to be attached to the blocking inclined plate again, the subsequent recovery of the oil vapor is convenient, the electric quantity which can be provided for the PLC and the oil gas concentration detector can be stored through the photovoltaic plate and the storage battery in daytime, the normal work of the PLC is ensured without additionally connecting a voltage transformation device and an electric wire, and the effects of energy conservation and high-efficiency work of the device are ensured while internal parts of the safety protection system are integrated.
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 view of a front cross-sectional structure of an integrated nitrogen-injection oxygen-control fire protection system device;
FIG. 2 is a schematic front sectional view of the protective housing;
FIG. 3 is a schematic top view of the oil storage tank;
fig. 4 is an enlarged schematic view of a portion a in fig. 2.
In the figure: 1. a nitrogen tank; 2. an oil storage tank; 3. an oil gas probe; 4. an air exhaust pipe; 5. a drainage catheter; 6. a nitrogen gas conduit; 7. a sealing plate; 8. sealing cloth; 9. a floating plate; 10. a protective housing; 11. a separator plate; 12. an oil gas concentration detector; 13. a PLC controller; 14. filtering the inclined tube; 15. an air pump; 16. an electromagnetic valve; 17. a photovoltaic panel; 18. a storage battery; 19. an annular conduit; 20. a drainage plate; 21. a radiating pipe; 22. a transfusion tube; 23. an annular water tank; 24. a water pump; 25. blocking the inclined plate; 26. and (6) a filter cover.
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. 1-4, the integrated nitrogen injection and oxygen control fire protection system device of the invention comprises a nitrogen tank 1 and an oil tank 2, wherein an oil gas probe 3, an air exhaust pipe 4 and a drainage guide pipe 5 are sequentially embedded on the inner wall of the oil tank 2 from top to bottom, the bottom surface of the nitrogen tank 1 is communicated with a nitrogen guide pipe 6, one end of the nitrogen guide pipe 6, which is far away from the nitrogen tank 1, is communicated with one end of the drainage guide pipe 5, the inner wall of the oil tank 2 is fixedly connected with a sealing plate 7 and a sealing cloth 8, the surface of the sealing plate 7 is movably connected with a floating disc 9, the surface of the floating disc 9 is fixedly connected with the surface of the sealing cloth 8, the surface of the oil tank 2 is fixedly connected with a protective shell 10, the inner wall of the protective shell 10 is fixedly connected with an isolation plate 11, the top surface of the isolation plate 11 is fixedly connected with an oil gas concentration detector 12 and a PLC controller 13, the, the surface of an oil gas concentration detector 12 is communicated with one end of an oil gas probe 3, a filtering inclined tube 14 is embedded in the inner wall of a protective shell 10, the surface of the filtering inclined tube 14 is communicated with one end of an air extraction tube 4, an air extraction pump 15 is arranged on the surface of the air extraction tube 4, an electromagnetic valve 16 is fixedly connected with the inner wall of the protective shell 10, the output end of the electromagnetic valve 16 penetrates through the surface of a drainage guide tube 5 and extends into the drainage guide tube 5, the drainage guide tube 5 is communicated with the filtering inclined tube 14 through a pipeline, the oil gas concentration detector 12 and a PLC (programmable logic controller) 13 are used for controlling the air extraction pump 15 and the electromagnetic valve 16 to start immediately when the oil gas concentration in a gap between a sealing cloth 8, a sealing plate 7 and an oil storage tank 2 exceeds the standard, the oil gas concentration detector 12 can transmit signals to the PLC 13, the PLC 13 can control the air extraction pump 15 and the electromagnetic valve 16 to start, excessive oil gas in the oil storage, and the nitrogen gas in the nitrogen gas conduit 6 is sprayed into the oil storage tank 2 together, so that other parts in the existing protection system can be integrated together, more complex pipelines are not required to be connected externally, the pipeline damage probability is reduced, and the normal work effect of the safety system is ensured.
Top surface fixedly connected with photovoltaic board 17 of protecting sheathing 10, the inner chamber top surface fixedly connected with battery 18 of protecting sheathing 10, battery 18 passes through the electric wire and is connected with photovoltaic board 17 electricity, PLC controller 13 and battery 18, oil gas concentration detection ware 12, aspiration pump 15 and the 16 surperficial electricity of solenoid valve are connected, through photovoltaic board 17 and battery 18, can store the electric quantity that can provide PLC controller 13 and oil gas concentration detection ware 12 when the daytime, need not additionally insert potential device and electric wire and guarantee PLC controller 13's normal work, when having reached at integrated safety protection system internals, guarantee the effect of the energy-conserving and high-efficient work of device.
Protecting sheathing 10 is six with the quantity of drainage catheter 5, and a protecting sheathing 10 and a drainage catheter 5 be a set of, and six protecting sheathing 10 of group and drainage catheter 5 use the top surface axis of oil storage tank 2 as the surface of dot evenly distributed at oil storage tank 2 for can evenly take away the oil gas of 2 inner walls of oil storage tank, and can inject into nitrogen gas according to the oil gas concentration of 2 different positions of oil storage tank, energy-conservation and high-efficient.
The surface of the nitrogen guide pipe 6 is communicated with an annular guide pipe 19, and the annular guide pipe 19 is communicated with the bottom ends of the six drainage guide pipes 5 through the nitrogen guide pipe 6, so that the six drainage guide pipes 5 can be communicated, and the normal use of the nitrogen injection function of the device is ensured.
The positive section of drainage catheter 5 is L shape, and drainage catheter 5's inner wall corner fixedly connected with drainage plate 20, and drainage plate 20 is located drainage catheter 5 and filters under the intercommunication pipeline between the pipe chute 14 for can bring the oil of separating in the pipe chute 14 of filtering into drainage catheter 5, and in together pouring into oil storage tank 2 into under the drive of nitrogen gas, avoid the waste of oil.
Filter fixed surface of pipe chute 14 and be connected with cooling tube 21, the surface intercommunication of cooling tube 21 has transfer line 22, the one end intercommunication that cooling tube 21 was kept away from to transfer line 22 has annular water tank 23, the surface of transfer line 22 is provided with water pump 24, annular water tank 23 all is connected with the fixed surface of protecting sheathing 10 with the side of water pump 24, the inner wall fixedly connected with separation swash plate 25 of filtering pipe chute 14, the one end threaded connection who keeps away from protecting sheathing 10 of filtering pipe chute 14 has filter mantle 26, the surface of filter mantle 26 is provided with the filter screen, through separation swash plate 25 and cooling tube 21, when oil gas got into to filtering pipe chute 14 in, can reduce and filter 14 inside temperatures of pipe chute, make oil vapor can become liquid again and adhere to on separation swash plate 25, make things convenient for follow-up oil vapor's.
The circuit diagrams of the connections between the PLC controller 13 and the storage battery 18, the oil gas concentration detector 12, the water pump 24, the air pump 15 and the electromagnetic valve 16 are all known in the prior art and need not be described in detail.
When the oil gas concentration monitoring device is used, if the oil gas concentration exceeds the standard, the oil gas probe 3 can collect the oil gas concentration and transmit signals to the PLC 13, then the PLC 13 starts the water pump 24, the electromagnetic valve 16 and the air pump 15, the air pump 15 can pump the oil gas in the oil storage tank 2 into the filtering inclined pipe 14 through the air pump 4, at the moment, the water pump 24 continuously moves the water in the annular water tank 23 in the radiating pipe 21, so that the temperature in the filtering inclined pipe 14 is reduced, oil gas steam can be condensed into liquid, is attached to the surface of the blocking inclined plate 25 and gradually flows into the drainage guide pipe 5, is driven by the nitrogen in the nitrogen guide pipe 6 and is injected into the oil storage tank 2 together, no additional equipment is required to be connected, and potential safety hazards caused by pipeline damage are reduced.
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.
Claims (8)
1. The utility model provides an integrated form is annotated nitrogen accuse oxygen fire protection system device, includes nitrogen gas jar (1) and oil storage tank (2), its characterized in that: the inner wall of the oil storage tank (2) is sequentially inlaid from top to bottom with an oil gas probe (3), an exhaust tube (4) and a drainage guide tube (5), the bottom surface of the nitrogen tank (1) is communicated with the nitrogen guide tube (6), one end of the nitrogen tank (1) is far away from the nitrogen guide tube (6) and one end of the drainage guide tube (5) are communicated, the inner wall of the oil storage tank (2) is fixedly connected with a sealing plate (7) and a sealing cloth (8), the surface of the sealing plate (7) is movably connected with a floating disc (9), the surface of the floating disc (9) is fixedly connected with the surface of the sealing cloth (8), the surface of the oil storage tank (2) is fixedly connected with a protective shell (10), the inner wall of the protective shell (10) is fixedly connected with an isolation plate (11), the top surface of the isolation plate (11) is fixedly connected with an oil gas concentration detector (12), the surface of oil gas concentration detector (12) and the one end intercommunication of oil gas probe (3), the inner wall of protecting sheathing (10) is inlayed and is had filtration pipe chute (14), the surface of filtering pipe chute (14) and the one end intercommunication of exhaust tube (4), the surface of exhaust tube (4) is provided with aspiration pump (15), the inner wall fixedly connected with solenoid valve (16) of protecting sheathing (10), the output of solenoid valve (16) runs through the surface of drainage catheter (5) and extends to the inside of drainage catheter (5), drainage catheter (5) are through pipeline and filtration pipe chute (14) intercommunication.
2. The integrated nitrogen injection and oxygen control fire protection system device according to claim 1, wherein: the photovoltaic panel (17) is fixedly connected to the top surface of the protective casing (10), the storage battery (18) is fixedly connected to the top surface of the inner cavity of the protective casing (10), and the storage battery (18) is electrically connected with the photovoltaic panel (17) through an electric wire.
3. An integrated nitrogen injection and oxygen control fire protection system apparatus as claimed in claim 2, wherein: and the PLC (13) is electrically connected with the surface of the storage battery (18), the oil-gas concentration detector (12), the air pump (15) and the electromagnetic valve (16).
4. The integrated nitrogen injection and oxygen control fire protection system device according to claim 1, wherein: the quantity of protecting sheathing (10) and drainage catheter (5) is six, and a protecting sheathing (10) and a drainage catheter (5) are a set of, and six protecting sheathing (10) of group and drainage catheter (5) use the top surface axis of oil storage tank (2) to be the surface of dot evenly distributed at oil storage tank (2).
5. The integrated nitrogen injection and oxygen control fire protection system device according to claim 1, wherein: the surface of the nitrogen guide pipe (6) is communicated with an annular guide pipe (19), and the annular guide pipe (19) is communicated with the bottom ends of the six drainage guide pipes (5) through the nitrogen guide pipe (6).
6. The integrated nitrogen injection and oxygen control fire protection system device according to claim 1, wherein: the normal section of drainage pipe (5) is L shape, and the inner wall corner fixedly connected with drainage plate (20) of drainage pipe (5), drainage plate (20) are located under drainage pipe (5) and the intercommunication pipeline between filtering down tube (14).
7. The integrated nitrogen injection and oxygen control fire protection system device according to claim 1, wherein: the fixed surface of filtering pipe chute (14) is connected with cooling tube (21), the surface intercommunication of cooling tube (21) has transfer line (22), the one end intercommunication that cooling tube (21) were kept away from in transfer line (22) has annular water tank (23), the surface of transfer line (22) is provided with water pump (24), the side of annular water tank (23) and water pump (24) all is connected with the fixed surface of protecting sheathing (10).
8. The integrated nitrogen injection and oxygen control fire protection system device according to claim 1, wherein: the inner wall fixedly connected with separation swash plate (25) of filtering pipe chute (14), the one end threaded connection who keeps away from protecting sheathing (10) of filtering pipe chute (14) has filter mantle (26), the surface of filter mantle (26) is provided with the filter screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282553.XA CN110865155A (en) | 2019-12-13 | 2019-12-13 | Integrated nitrogen injection and oxygen control fire protection system device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911282553.XA CN110865155A (en) | 2019-12-13 | 2019-12-13 | Integrated nitrogen injection and oxygen control fire protection system device |
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| CN110865155A true CN110865155A (en) | 2020-03-06 |
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| CN201911282553.XA Pending CN110865155A (en) | 2019-12-13 | 2019-12-13 | Integrated nitrogen injection and oxygen control fire protection system device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003027A (en) * | 2021-03-24 | 2021-06-22 | 威特龙消防安全集团股份公司 | Safety protection system and method for floating-roof storage tank floating-plate bottom falling process |
| CN113003028A (en) * | 2021-03-24 | 2021-06-22 | 威特龙消防安全集团股份公司 | System and method for overall-process operation safety protection of external floating roof storage tank |
-
2019
- 2019-12-13 CN CN201911282553.XA patent/CN110865155A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113003027A (en) * | 2021-03-24 | 2021-06-22 | 威特龙消防安全集团股份公司 | Safety protection system and method for floating-roof storage tank floating-plate bottom falling process |
| CN113003028A (en) * | 2021-03-24 | 2021-06-22 | 威特龙消防安全集团股份公司 | System and method for overall-process operation safety protection of external floating roof storage tank |
| CN113003028B (en) * | 2021-03-24 | 2022-11-11 | 威特龙消防安全集团股份公司 | System and method for overall-process operation safety protection of external floating roof storage tank |
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