CN113978950A - Closed type blocking explosion-proof device for inflammable and explosive liquid storage tank - Google Patents
Closed type blocking explosion-proof device for inflammable and explosive liquid storage tank Download PDFInfo
- Publication number
- CN113978950A CN113978950A CN202010498972.3A CN202010498972A CN113978950A CN 113978950 A CN113978950 A CN 113978950A CN 202010498972 A CN202010498972 A CN 202010498972A CN 113978950 A CN113978950 A CN 113978950A
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- CN
- China
- Prior art keywords
- porous
- storage tank
- shell
- explosion
- transition pipe
- 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.)
- Pending
Links
- 230000000903 blocking effect Effects 0.000 title claims abstract description 16
- 239000007788 liquid Substances 0.000 title claims abstract description 13
- 239000002360 explosive Substances 0.000 title claims abstract description 11
- 230000007704 transition Effects 0.000 claims abstract description 23
- 239000000463 material Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 2
- 238000004880 explosion Methods 0.000 abstract description 8
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract description 2
- 230000004888 barrier function Effects 0.000 description 5
- 239000011265 semifinished product Substances 0.000 description 2
- 239000012634 fragment Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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
- B65D90/10—Manholes; Inspection openings; Covers therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/04—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes for transferring fuels, lubricants or mixed fuels and lubricants
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B67—OPENING, CLOSING OR CLEANING BOTTLES, JARS OR SIMILAR CONTAINERS; LIQUID HANDLING
- B67D—DISPENSING, DELIVERING OR TRANSFERRING LIQUIDS, NOT OTHERWISE PROVIDED FOR
- B67D7/00—Apparatus or devices for transferring liquids from bulk storage containers or reservoirs into vehicles or into portable containers, e.g. for retail sale purposes
- B67D7/06—Details or accessories
- B67D7/78—Arrangements of storage tanks, reservoirs or pipe-lines
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
A closed type blocking explosion-proof device for a flammable and explosive liquid storage tank belongs to the technical field of oil product and liquefied gas equipment, and is characterized in that: the upper end of the porous shell is provided with a porous upper cover, the outer edge of the porous upper cover is provided with a flange, the lower end of the porous shell is provided with a porous lower cover, a tubular porous transition pipe penetrates through the porous shell, a space between the porous shell and the porous transition pipe is filled with a blocking explosion-proof material, the sum of the cross sections of all holes of the porous shell is not less than the cross section of a manhole of the storage tank and is uniformly distributed, and the sum of the cross sections of all holes of the porous transition pipe is not less than the cross section of the pipe diameter of the porous transition pipe and is uniformly distributed. The beneficial effects are that: 1. flame can not spread to the inside of the storage tank through the closed type blocking explosion-proof device for the flammable and explosive liquid storage tank; 2. the slow combustion reaction does not instantaneously generate a large amount of energy to release to generate explosion; 3. is economical and applicable, and is easy to install and popularize.
Description
Technical Field
The present invention belongs to the technical field of oil product and liquefied gas equipment.
Background
In a flammable and explosive liquid storage tank of an automobile gas station or a similar station, a storage tank manhole is a part of concentrated installation and frequent operation of storage tank equipment, the environment at the place is the boundary of an explosion danger area 1 and an explosion danger area 2, explosive gas in an explosion limit range is easily generated, the concentrated equipment installation and frequent equipment maintenance are difficult to avoid, and accidental sparks or flames can be generated by frequent operation, so that the sparks or flames generated outside the storage tank can enter the storage tank to cause explosion accidents, and for the treatment of the danger, the method adopted at present comprises the following steps: 1 passively enhances the installation tightness degree, but occurs occasionally in accidents; 2, the storage tank is filled with the barrier explosion-proof material, so that the economic burden is large relative to users, and the storage tank is difficult to popularize.
Disclosure of Invention
The purpose of the invention is: the utility model provides a flammable and explosive liquid storage tank closed separation explosion-proof equipment, it has solved flammable and explosive liquid trade storage tank manhole department and has produced unexpected spark and cause the problem of explosion.
The technical scheme of the invention is as follows:
the upper end of the porous shell is provided with a porous upper cover, the outer edge of the porous upper cover is provided with a flange, the lower end of the porous shell is provided with a porous lower cover, a tubular porous transition pipe penetrates through the porous shell, a space between the porous shell and the porous transition pipe is filled with a blocking explosion-proof material, the sum of the cross sections of all holes of the porous shell is not less than the cross section of a manhole of the storage tank and is uniformly distributed, and the sum of the cross sections of all holes of the porous transition pipe is not less than the cross section of the pipe diameter of the porous transition pipe and is uniformly distributed.
The perforated upper cover is a plate or other structure capable of supporting the perforated transition pipe without deflection, and its installation position is not limited to the upper end of the perforated shell.
The clearance between the outer wall of the porous shell and the inner wall of the manhole of the storage tank is not more than 3 mm.
The height of the porous shell and the filling thickness of the blocking explosion-proof material are not less than 300 mm.
The invention has the beneficial effects that: 1. flame can not spread to the inside of the storage tank through the closed type blocking explosion-proof device for the flammable and explosive liquid storage tank; 2. the slow combustion reaction does not instantaneously generate a large amount of energy to release to generate explosion; 3. is economical and applicable, and is easy to install and popularize.
Drawings
FIG. 1 is a front cross-sectional view of the present invention;
fig. 2 is a top sectional view of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
as shown in fig. 1, 1 is an outer flange, 2 is a porous upper cover, 3 is a porous shell, 4 is a barrier explosion-proof material, 5 is a porous transition pipe, and 6 is a lower cover.
The explosion-proof porous shell comprises 1 porous shell body 3, an outer edge flange 1 is arranged at the upper end of the porous shell body, a porous upper cover 2 is arranged at the upper end of the porous shell body 3, a lower cover 6 is arranged at the lower end of the porous shell body, a porous transition pipe 5 passing through the porous upper cover 2 and the porous lower cover 6 is arranged in the porous shell body 3, and blocking explosion-proof materials 4 are filled in spaces among the porous shell body 4, the porous upper cover 3, the porous lower cover 6 and the porous transition pipe 5.
The porous shell, the porous transition tube are tubular but not limited to tubular.
The sum of the sectional areas of all holes of the porous shell is not less than the sectional area of the manhole of the storage tank and is uniformly distributed.
The structure of the porous upper cover is a porous or open structure which does not influence the function of the barrier explosion-proof material.
The porous upper cover is a plate or other structure capable of supporting the porous transition pipe without deflection, and the installation position is not limited to the upper end of the porous shell.
The sum of the cross sections of all the holes of the porous transition pipe is not less than the cross section of the pipe diameter of the porous transition pipe and is uniformly distributed.
The holes have the function or measure of preventing the fragments of the blocking explosion-proof material from leaking.
The above components or structures, etc. have strength suitable for their working environment without deformation.
The clearance between the outer wall of the porous shell and the inner wall of the manhole of the storage tank is not more than 3 mm.
The height of the porous shell or the thickness of the filled barrier explosion-proof material is not less than 300 mm.
The outer edge flange at the upper end of the porous shell can be matched with the storage tank manhole flange and seal the storage tank manhole flange.
The outer edge flange at the upper end of the porous shell is provided with at least 2 electrostatic components which are arranged diagonally and can be connected with the storage tank manhole flange in an electrostatic manner.
The steps and flow are as follows:
1. according to relevant industry specifications and requirements, an anti-static garment and an anti-explosion tool are used for detaching the storage tank manhole flange cover and equipment on the storage tank manhole flange cover, measuring the size of the manhole, measuring the position, size and direction of a pipe hole needing to be led into the tank on the manhole flange cover, and drawing a direction mark.
2. See the attached drawings (same below): the prefabricated perforated shell 3 (manhole diameter is generally DN600, occasionally DN500) is selected according to the manhole size to be measured and marked on its peripheral flange 1 according to the orientation mark on the manhole flange cover.
3. And selecting prefabricated semi-finished products of the porous upper cover 2 and the porous lower cover 6 with the size matched with that of the porous shell 3, and marking the semi-finished products of the porous upper cover 2 and the porous lower cover 6 respectively according to the position marks on the manhole flange cover.
4. And (3) according to the measured position, size and orientation of the pipe hole needing to be filled into the tank on the manhole flange cover, performing on-site hole opening on the porous upper cover 2 and the porous lower cover 6 according to the orientation mark as a reference object.
5. The lower cover 6 is fixed to the porous housing 3 in alignment with the orientation mark.
6. And (3) inserting the prefabricated porous transition pipe 5 into the lower cover 6 according to the measured position, size and orientation of the pipe hole to be subjected to tank entering in the manhole flange cover.
7. And filling the space between the porous shell 3 and the porous transition pipe 5 with the barrier explosion-proof material 4 according to the relevant specification, wherein the filling height is slightly higher than the outer edge flange 1 by about 10 mm.
8. The perforated upper cover 2 is fixed to the perforated housing 3 in alignment with the orientation mark.
9. And checking whether the position, the size and the orientation of the measured pipe hole needing to be subjected to tank filling in the manhole flange cover are consistent or not.
10. And putting the manufactured closed type blocking explosion-proof device of the flammable and explosive liquid storage tank into a manhole of the storage tank according to the position mark.
11. The storage tank manhole flange cover is placed on the outer edge flange 1 to be installed in a sealing mode, and meanwhile the electrostatic component on the outer edge flange 1 is bridged with the manhole flange.
12. And (4) installing and debugging equipment on the storage tank manhole flange cover.
Claims (4)
1. The utility model provides a closed separation explosion-proof equipment of flammable and explosive liquid storage tank which characterized by: the upper end of the porous shell is provided with a porous upper cover, the outer edge of the porous upper cover is provided with a flange, the lower end of the porous shell is provided with a porous lower cover, a tubular porous transition pipe penetrates through the porous shell, a space between the porous shell and the porous transition pipe is filled with a blocking explosion-proof material, the sum of the cross sections of all holes of the porous shell is not less than the cross section of a manhole of the storage tank and is uniformly distributed, and the sum of the cross sections of all holes of the porous transition pipe is not less than the cross section of the pipe diameter of the porous transition pipe and is uniformly distributed.
2. The closed type blocking explosion-proof device for the flammable and combustible liquid storage tank as claimed in claim 1, wherein: the perforated upper cover is a plate or other structure capable of supporting the perforated transition pipe without deflection, and its installation position is not limited to the upper end of the perforated shell.
3. The closed type blocking explosion-proof device for the flammable and combustible liquid storage tank as claimed in claim 1, wherein: the clearance between the outer wall of the porous shell and the inner wall of the manhole of the storage tank is not more than 3 mm.
4. The closed type blocking explosion-proof device for the flammable and combustible liquid storage tank as claimed in claim 1, wherein: the height of the porous shell and the filling thickness of the blocking explosion-proof material are not less than 300 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010498972.3A CN113978950A (en) | 2020-07-27 | 2020-07-27 | Closed type blocking explosion-proof device for inflammable and explosive liquid storage tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010498972.3A CN113978950A (en) | 2020-07-27 | 2020-07-27 | Closed type blocking explosion-proof device for inflammable and explosive liquid storage tank |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113978950A true CN113978950A (en) | 2022-01-28 |
Family
ID=79731239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010498972.3A Pending CN113978950A (en) | 2020-07-27 | 2020-07-27 | Closed type blocking explosion-proof device for inflammable and explosive liquid storage tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113978950A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2771138Y (en) * | 2005-02-05 | 2006-04-12 | 黄晓东 | Atmospheric oil tank separated explosion-proof oil-gas recovery device |
| CN201605160U (en) * | 2010-03-03 | 2010-10-13 | 莫苏萍 | Integrated type explosion-proof leakage-resistant oil filling device |
| CN101973439A (en) * | 2010-10-12 | 2011-02-16 | 黄晓东 | Separation explosion-proof device of industrial methanol vertical storage tank |
| CN102673917A (en) * | 2012-06-12 | 2012-09-19 | 江苏本安环保科技有限公司 | Cleaning device of blocking and anti-explosion storage tank of flammable and explosive liquid |
| CN113753425A (en) * | 2020-06-04 | 2021-12-07 | 吉林省富宁石油装备工程有限公司 | Explosion-proof storage tank system device of automobile gas station |
-
2020
- 2020-07-27 CN CN202010498972.3A patent/CN113978950A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2771138Y (en) * | 2005-02-05 | 2006-04-12 | 黄晓东 | Atmospheric oil tank separated explosion-proof oil-gas recovery device |
| CN201605160U (en) * | 2010-03-03 | 2010-10-13 | 莫苏萍 | Integrated type explosion-proof leakage-resistant oil filling device |
| CN101973439A (en) * | 2010-10-12 | 2011-02-16 | 黄晓东 | Separation explosion-proof device of industrial methanol vertical storage tank |
| CN102673917A (en) * | 2012-06-12 | 2012-09-19 | 江苏本安环保科技有限公司 | Cleaning device of blocking and anti-explosion storage tank of flammable and explosive liquid |
| CN113753425A (en) * | 2020-06-04 | 2021-12-07 | 吉林省富宁石油装备工程有限公司 | Explosion-proof storage tank system device of automobile gas station |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20220128 |