CN110395495A - The method of vertical storage tank fire thermal protection - Google Patents
The method of vertical storage tank fire thermal protection Download PDFInfo
- Publication number
- CN110395495A CN110395495A CN201810351820.3A CN201810351820A CN110395495A CN 110395495 A CN110395495 A CN 110395495A CN 201810351820 A CN201810351820 A CN 201810351820A CN 110395495 A CN110395495 A CN 110395495A
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- CN
- China
- Prior art keywords
- storage tank
- fire
- insulation board
- thermal insulation
- keel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/02—Wall construction
- B65D90/023—Modular panels
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D90/00—Component parts, details or accessories for large containers
- B65D90/22—Safety features
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The present invention relates to a kind of methods of vertical storage tank fire thermal protection, belong to technical field of fire safety, including step 1, install keel on the outer wall of storage tank, wherein according to the size of thermal insulation board on the keel, several installing frames are arranged;Step 2 fills the thermal insulation board to match with the installing frame shape in the installing frame, and the thermal insulation board, which is fixedly connected in the keel, constitutes fire proof heat-insulation layer;Step 3 reinforces the thermal insulation board.The present invention haves no need to change the facility of active service storage tank, and heat radiation of the cupping jar to neighbouring tank can effectively be obstructed by being mounted on the fire proof heat-insulation layer outside storage tank, to reduce the risk of neighbouring tank fire.When a fire, the spray equipment of the storage tank of kindling is in the open state, and the spray equipment of nearby tank is in the state closed.Due to without having saved 80% or more scene of a fire cooling water, having reduced environmental pollution to neighbouring tank spraying cooling.
Description
Technical field
The present invention relates to a kind of methods for improving the fire thermal protection of active service vertical storage tank, belong to technical field of fire safety.
Background technique
In production, storage, transport and use process, burning, explosion accident easily occur for petroleum and petrochemical industry product storage tank.Storage
The swift and violent intensity of a fire of tank fire radiates the high-strength hot of neighbouring equipment and adjacent storage, easily ignite adjacent storage and make fire into
One step expands.
When storage tank fire occurs, cupping jar and its adjacent storage generally using fixed water sprinkler system or mobile water cannon into
Row cools, and water is equably sprayed at Storage Tanks Combustible Liquid surface, and the moisture film of formation effectively can prevent heat radiation to storage tank
Influence.But water supply intensity must be sufficiently large, and uniform moisture film is formed on tank skin;Otherwise tank skin can generate hot-spot,
Make storage tank strength reduction.So the scene of a fire needs to consume a large amount of fire demand water for cooling down storage tank, water consumption is big.The cooling side
There is also some defects for formula: first, water cannot be deposited long on vertical, smooth tank surface;Second, reservoir surface coating
Surface tension is smaller, and water cannot sufficiently soak tank surface;Third, mobile water cannon often squeeze into water in tank, make the oil in tank
It overflows;4th, it is cooling for a long time that water is made to overflow fire wall, make the diffusion rapidly of trickling fire.It is computed, the water cooling for tank skin
70% or more of the total fire-fighting water of Zhan.This not only causes the water supply of fire demand water difficult, generates greatly waste, and be also easy to produce ring
Border pollution.
Summary of the invention
In view of the above-mentioned problems, the invention proposes a kind of method of vertical storage tank fire thermal protection, the fire-proof and thermal-insulation
Layer and its space formed with tank skin can effectively obstruct heat radiation of the kindling storage tank to nearby tank, reduce neighbouring tank by
The influence of kindling storage tank heat radiation, to reduce the risk of neighbouring tank fire.When a fire, the spray of the storage tank of kindling
Shower device is in the open state, and the spray equipment of nearby tank is in the state closed.Due to saving without being sprayed to neighbouring tank
The about fire demand water in the scene of a fire.
Of the invention proposes a kind of method of vertical storage tank fire thermal protection, comprising:
Keel are arranged around storage tank outer wall in step 1, wherein according to the size of thermal insulation board on the keel, are arranged several
Installing frame;
Step 2, fills the thermal insulation board to match with the installing frame shape in the installing frame, and the thermal insulation board is solid
Surely it is connected in the keel and forms fire proof heat-insulation layer;
Step 3 reinforces the thermal insulation board.
A further improvement of the present invention is that in the case of fire, the storage tank of the fire proof heat-insulation layer barrier kindling is to neighbour
The heat radiation of nearly storage tank, the spray equipment of the storage tank of kindling is in the open state, and the spray equipment of nearby tank is in and closes
State.
A further improvement of the present invention is that setting up several longitudinal branch the outer wall week of storage tank when setting up keel
Stay and cross-brace item;
Wherein, the cross-brace item and the longitudinal bracing item link into an integrated entity, the adjacent longitudinal bracing item and
The adjacent cross-brace item constitutes the installing frame as the rectangular space that side surrounds.
A further improvement of the present invention is that the thermal insulation board uses inorfil or the organic fiber with flame retarding function
It is made.
A further improvement of the present invention is that the thermal insulation board is using rock wool board.
A further improvement of the present invention is that the step of reinforcing to the thermal insulation board includes, in the two sides of thermal insulation board
Metal plate is set, and the thermal insulation board and the keel are fixedly linked by bolt.
A further improvement of the present invention is that at least one reinforcing rib is fixed on the thermal insulation board, the reinforcing rib packet
Include the waling and horizontally arranged cross reinforcing of vertical direction setting.
A further improvement of the present invention is that installing coat of metal on the fire proof heat-insulation layer outer wall, the metal is protected
The direction of sheath from bottom to top carries out construction setting, and the lower part for being located at the metal plate on upper layer is pressed in the metal plate positioned at lower layer
Top outside.
A further improvement of the present invention is that the metal plate is using galvanized iron sheet or stainless steel plate.
Compared with the prior art, the advantages of the present invention are as follows:
In the method for vertical storage tank fire thermal protection of the present invention, do not change the facility of active service storage tank, passes through peace
Fire proof heat-insulation layer is filled, it being capable of effectively blocking radiant heat.When storage tank occur fire when, the fire proof heat-insulation layer of adjacent storage and its with
The space that tank skin is formed, can effectively prevent the heat radiation of cupping jar from influencing, and can guarantee that the fire of kindling storage tank will not expand
Other storage tanks are scattered to, to reduce the risk that fire occurs for neighbouring tank.When unlatching fire water is cooled down, it is only necessary to right
Cupping jar carry out spraying cooling, adjacent storage do not need carry out spraying cooling, saved a large amount of scene of a fire fire demand water.
In the method for vertical storage tank fire thermal protection of the present invention, improves fire-fighting in current storage tank fire attack and use
The huge problem of water consumption can save 80% or more Fire-fighting cooling water;Both heat radiation had been can solve under fire condition to adjacent
The influence of storage tank, and substantially reduce cooling water amount and environmental pollution.
Detailed description of the invention
Fig. 1 is fire proof heat-insulation layer knot in the method for the vertical storage tank fire thermal protection of an embodiment according to the present invention
Structure schematic diagram.
In the accompanying drawings, identical component uses identical appended drawing reference.The attached drawing is not drawn according to the actual ratio.
The meaning of each appended drawing reference is as follows in the accompanying drawings: 1, keel, 2, storage tank, 3, thermal insulation board, 11, installing frame, 12, longitudinal direction
Support bar, 13, cross-brace item.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings.
Fig. 1 is schematically showed in the method for vertical storage tank fire thermal protection vertical according to one embodiment of present invention
Fire proof heat-insulation layer.The method of vertical storage tank fire thermal protection according to the present invention, can effectively blocking radiant heat, and save
Cooling water reduces environmental pollution.
A kind of method of active service large-scale vertical storage tank fire thermal protection described in the present embodiment, comprising the following steps:
Step 1 installs keel 1 in the outer wall certain distance of storage tank 2.Wherein, on the keel 1 according to heat-insulated board size,
Several installing frames 11 are set.In the present embodiment, the distance of the keel to storage tank is preferably that keel are away from the cooling in tank wall
The water pipe 100mm or more of spray system.
Step 2 fills the thermal insulation board 3 to match with 11 shape of installing frame in the installing frame 11, described heat-insulated
Plate 3 is fixedly connected in the keel 1 and constitutes fire proof heat-insulation layer as shown in Figure 1.
Step 3 reinforces the thermal insulation board 3.
When use is according to the present embodiment the method, certain distance outside storage tank cooling spray system, one circle of setting
Fire proof heat-insulation layer.When fire occurs for storage tank, the fire proof heat-insulation layer and its space formed with tank skin can effectively be obstructed
The heat radiation of cupping jar, prevents fire spreading, avoids being diffused into other storage tanks 2 around.In one the present embodiment the step of, storing up
Certain distance outside tank cooling spray system installs keel 1, and the keel 1 are used to support entire fire proof heat-insulation layer.Filling every
Hot plate 3 is the part that fire-proof and thermal-insulation effect is played in the fire proof heat-insulation layer.Pass through the fire proof heat-insulation layer and its and tank skin of setting
The space of formation can prevent fire from spreading, to guarantee the safety of other storage tanks 2.
In one embodiment, in the case of fire, catch fire storage tank spray equipment it is in the open state, and nearby tank
2 spray equipment is in the state closed.The fire proof heat-insulation layer and its space formed with tank skin, can obstruct kindling storage tank
Heat radiation to nearby tank 2.In the present embodiment, it since storage tank is provided with fire proof heat-insulation layer, can be obstructed in storage tank kindling
Influence of the heat radiation to neighbouring storage tank 2.In this way, reduce neighbouring tank is influenced by kindling storage tank, the harm of fire is reduced, together
When nearby tank do not need to be then turned on spray equipment yet, saved the fire demand water in the scene of a fire.
In one embodiment, when setting up keel 1, several longitudinal bracing items 12 are set up in the outer wall week of storage tank 2.
In the present embodiment, longitudinal support bar is uniformly fixed on the 2 outer wall certain distance of storage tank, and is arranged around storage tank 2
One circle.Then, several cross-brace items 13 are set on the outer wall of the storage tank 2.Wherein, each lateral support bar will be each
Longitudinal support bar is connected in series.In this way, the adjacent longitudinal bracing item 12 and adjacent 13 conduct of cross-brace item
While the rectangular space surrounded, the space constitutes the installing frame 11, for installing thermal insulation board 3.
In one embodiment, the thermal insulation board 3 uses inorganic material or the organic foam material system with flame retarding function
At.In the present embodiment, the material of the thermal insulation board 3 is preferably inorganic material.If needing to be to have using organic foam
The organic foam material of flame retarding function.In a preferred embodiment, the thermal insulation board 3 is using glass magnesium board.
In one embodiment, the step of constructing to the thermal protection layer 3, including, when setting up keel 1, In
Several longitudinal bracing items 12 and cross-brace item 13 is arranged in outer wall certain distance away from storage tank 2;The thermal insulation board 3 is mounted on described
In the rectangular installing frame 11 that cross-brace item 13 and the longitudinal bracing item 12 connect into, and pass through bolt for the thermal insulation board 3
It is fixedly linked with the keel 1.More firm while easy to disassemble or replacement is connected by bolted connection.
Wherein, when the thermal insulation board 3 is using the organic foam material with flame retarding function, it is arranged in the two sides of thermal insulation board 3
Metal plate, the metal plate is using galvanized iron sheet or the thin plate of stainless steel plate, and thickness is between 0.5~0.8mm.
In one embodiment, at least one reinforcing rib is fixed on the thermal insulation board, the reinforcing rib includes vertical side
To the waling and horizontally arranged cross reinforcing of setting.Wherein, the reinforcing rib both ends and the keel 1
Support bar is fixedly connected.After reinforcing rib is set on a metal plate, it is more firm to make the connection of thermal insulation board 3 and keel 1, and improve
The intensity of entire fire proof heat-insulation layer.
In a preferred embodiment, coat of metal is installed on the fire proof heat-insulation layer outer wall.The coat of metal
Including several metal plates, the metal plate is to carry out construction setting from bottom to top.The metal plate of coat of metal is in fish scale-shaped
Arrangement is pressed in the outside on the top of the metal plate positioned at lower layer positioned at the lower part of the metal plate on upper layer.Preferably, it can protect
The sheet metal uses stainless steel material, and thickness is between 0.5~0.8mm.By the way that the equipment according to the present embodiment is arranged
Coat of metal after, can support and protect fire proof heat-insulation layer, prevent plowing from and damage thermal insulation board.It is tested below by way of one
Illustrate the method for vertical storage tank fire thermal protection described in the present embodiment.
In this experiment, using 100,000 vertical External floating roof tanks, tank skin diameter is 80m, tank skin height 22m, tank skin surface
Product is 5529m2.According to existing fire protection rule, tank skin cool water shower intensity is 2.0L/minm2, continuing spray time is 4h.
In storage tank kindling, cupping jar and adjacent tank need to open in total and be equivalent to 5 storage tank cooling systems, water supply flow needs big
In 922L/s, fire-fighting cooling water volume 13270 × 10 is needed4m3。
The method of vertical storage tank fire thermal protection according to the present embodiment, preferred outer wall a certain distance in storage tank
Keel are installed, longitudinal bracing item and cross-brace item are fixed on the outer wall of storage tank.
Then, the thermal insulation board to match with the installing frame shape is filled in installing frame, the thermal insulation board is fixedly connected
Fire proof heat-insulation layer is constituted in the keel.In this experiment, the glass magnesium board for being 2440 × 1200 × 50 using specification.Glass
Magnesium plate is vertically arranged, so horizontal direction needs 212 glass magnesium boards.Tank skin height 22m removes the shared height of ring-shaped platform, hangs down
Histogram amounts to about 1900 glass magnesium boards to 9 glass magnesium boards are taken around.
Later, the thermal insulation board is reinforced, every glass magnesium board horizontal direction increases by 3 reinforcing ribs, and vertical direction increases
Add 1 reinforcing rib.
Using the method for the present embodiment, due to being provided with fire proof heat-insulation layer, to ensure that fire does not diffuse into other
Storage tank.In this way, it is only necessary to 1 cupping jar Cooling Water, water supply flow need be greater than 184L/s, need fire-fighting cooling water volume 2654
×104m3.Compared to existing mode, 80% or more fire-fighting cooling water volume is saved.
Although by reference to preferred embodiment, invention has been described, the case where not departing from the scope of the present invention
Under, various improvement can be carried out to it and can replace component therein with equivalent.Especially, as long as there is no structures to rush
Prominent, items technical characteristic mentioned in the various embodiments can be combined in any way.The invention is not limited to texts
Disclosed in specific embodiment, but include all technical solutions falling within the scope of the claims.
Claims (10)
1. a kind of method of vertical storage tank fire thermal protection characterized by comprising
Step 1, around storage tank (2) outer wall certain distance setting keel (1), wherein according to thermal insulation board (3) on the keel (1)
Size, several installing frames (11) are set;
Step 2, the thermal insulation board (3) that filling matches with the installing frame (11) shape in the installing frame (11), it is described every
Hot plate (3), which is fixedly connected in the keel (1), forms fire proof heat-insulation layer;
Step 3 reinforces the thermal insulation board (3).
2. the method for storage tank fire thermal protection according to claim 1, which is characterized in that in the case of fire, described anti-
Heat radiation of the storage tank (2) of fire screen thermosphere barrier kindling to nearby tank, the spray equipment of the storage tank (2) of kindling are in opening state
State, and the spray equipment of nearby tank is in the state closed.
3. the method for vertical storage tank fire thermal protection according to claim 1, which is characterized in that when setting up keel (1),
Setting up several longitudinal bracing items (12) and cross-brace item (13) the outer wall week of storage tank (2);
Wherein, the cross-brace item (13) and the longitudinal bracing item (12) link into an integrated entity, the adjacent longitudinal bracing
The rectangular space that item (12) and the adjacent cross-brace item (13) surround as side constitutes the installing frame (11).
4. the method for vertical storage tank fire thermal protection according to any one of claim 1 to 3, which is characterized in that described
Thermal insulation board (3) is made of inorganic heat insulation material or the organic foam material with flame retarding function.
5. the method for vertical storage tank fire thermal protection according to claim 4, which is characterized in that the thermal insulation board (3) is adopted
It is glass magnesium board.
6. the method for vertical storage tank fire thermal protection according to claim 4, which is characterized in that described that there is flame retarding function
Organic foam material be resistance combustion polyurethane foam.
7. the method for vertical storage tank fire thermal protection according to claim 4, which is characterized in that the thermal insulation board (3)
The step of being reinforced includes metal plate being arranged in the two sides of thermal insulation board (3), and pass through bolt for the thermal insulation board (3) and institute
Keel (1) are stated to be fixedly linked.
8. the method for vertical storage tank fire thermal protection according to any one of claims 5 to 7, which is characterized in that in institute
It states and fixes at least one reinforcing rib on thermal insulation board (3), the reinforcing rib includes the waling and level of vertical direction setting
The cross reinforcing of direction setting.
9. the method for vertical storage tank fire thermal protection according to claim 5, which is characterized in that outside the fire proof heat-insulation layer
Coat of metal is installed, the direction of the coat of metal from bottom to top carries out construction setting, and is located at the gold on upper layer on wall
The lower part of category plate is pressed in the outside on the top of the metal plate positioned at lower layer.
10. the method for vertical storage tank fire thermal protection according to any one of claim 5 or 9, which is characterized in that described
Metal plate is using galvanized iron sheet or stainless steel plate.
Priority Applications (1)
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CN201810351820.3A CN110395495A (en) | 2018-04-19 | 2018-04-19 | The method of vertical storage tank fire thermal protection |
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CN201810351820.3A CN110395495A (en) | 2018-04-19 | 2018-04-19 | The method of vertical storage tank fire thermal protection |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2596503B2 (en) * | 1993-01-14 | 1997-04-02 | ニチアス株式会社 | Floating roof waterproof insulation method for floating roof tank |
CN2756263Y (en) * | 2004-07-08 | 2006-02-08 | 唐健 | Heat insulation fire-proof anti-explosion structure for finished oil storage tank under fire state |
CN201546477U (en) * | 2009-06-02 | 2010-08-11 | 西安长庆科技工程有限责任公司 | Storage tank insulation structure |
-
2018
- 2018-04-19 CN CN201810351820.3A patent/CN110395495A/en active Pending
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2596503B2 (en) * | 1993-01-14 | 1997-04-02 | ニチアス株式会社 | Floating roof waterproof insulation method for floating roof tank |
CN2756263Y (en) * | 2004-07-08 | 2006-02-08 | 唐健 | Heat insulation fire-proof anti-explosion structure for finished oil storage tank under fire state |
CN201546477U (en) * | 2009-06-02 | 2010-08-11 | 西安长庆科技工程有限责任公司 | Storage tank insulation structure |
Non-Patent Citations (3)
Title |
---|
李征西等: "《油品储运设计手册》", 31 October 1997, 石油工业出版社 * |
猎鹰等: "《特种兵教你户外生存》", 31 July 2016, 中国友谊出版公司 * |
莫理京等: "《绝热工程技术手册》", 31 August 1997, 中国石化出版 * |
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