CN218494772U - Safety device for replacing blind plate plugging in limited space - Google Patents
Safety device for replacing blind plate plugging in limited space Download PDFInfo
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- CN218494772U CN218494772U CN202223052355.4U CN202223052355U CN218494772U CN 218494772 U CN218494772 U CN 218494772U CN 202223052355 U CN202223052355 U CN 202223052355U CN 218494772 U CN218494772 U CN 218494772U
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- 208000008918 voyeurism Diseases 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 6
- 238000007689 inspection Methods 0.000 abstract description 5
- 239000011521 glass Substances 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 3
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- 238000002955 isolation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002093 peripheral effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
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- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
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Abstract
The utility model belongs to the technical field of the oil tank safety, especially, relate to a safety device that is used for restricted space to replace blind plate to take out stifled, including oil tank and oil leak detection mechanism, first gate valve is installed to the left end of oil tank, and the left side of first gate valve is provided with metal collapsible tube, and metal collapsible tube's left side has set gradually nozzle stub and second gate valve, and the middle part below of nozzle stub is equipped with the evacuation detection tube, oil leak detection mechanism is installed in the bottom outside of evacuation detection tube, and oil leak detection mechanism's right side is provided with supporting mechanism. The utility model discloses the second gate valve chooses for use the double-shut double-break valve door, and the leakproofness is better than the gate valve, can effectively reduce the interior hourglass risk of valve, when carrying out special operation, in case the second gate valve takes place to leak in, reveals the material accessible inspection blowoff valve of coming and discharges to in time discover, the operation of interrupting ensures that the material can not get into in the oil tank, plays the effect that the energy was kept apart.
Description
Technical Field
The utility model belongs to the technical field of the oil tank safety, especially, relate to a safety device that is used for restricted space to replace blind plate to take out stifled.
Background
The blind plate plugging operation means that materials (gas, liquid and solid) possibly exist in equipment and pipelines and cannot be completely cut off by a valve under certain temperature and pressure conditions in the process of equipment emergency repair, overhaul and equipment startup and shutdown, the blind plate plugging operation is needed at this time, however, in some specific environments, the operation space is limited and the blind plate plugging operation cannot be performed, so that technicians need to search a new safety device to replace the blind plate plugging operation in a limited space, and with the formal implementation of a new dangerous chemical enterprise special operation safety standard, aiming at the fire-moving and limited space operation, before the standard clearly requires the operation, dangerous chemical enterprises should take measures to process equipment facilities and pipelines which are supposed to be operated, so that the corresponding operation safety requirements are met, and the blind plate should not be replaced by water seal or only closing the valve to serve as a partition measure.
And demolish operations such as flange, installation blind plate not only very big increase the loaded down with trivial details degree of oil tank washing or maintenance preparation work, moreover because be the metal collapsible tube between oil tank root valve and the second valve, so for preventing demolish behind the flange valve drop, so need demolish the flange that first root valve leaned on the pipeline side to with the oil evacuation between the two valves, the oil is collected and demolishs all very inconveniently.
After review, the 10 th and 30 th questions in the application questions and answers of the national chemical association organization of the main draft unit of the standard (GB 30871-2022) safety code for special operations of hazardous chemicals enterprises, specify that a double-valve and an exhaust valve (i.e., two valves and one row) can be used as an energy isolation method instead of a blind plate. Therefore, there is an urgent need to improve the existing tank safety device and provide a safety device for a confined space to replace a blind plug.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to the not enough of existence among the prior art, provide a reasonable in design, simple structure need not to use the blind plate, need not to demolish valve, flange, the oil tank safety device that the operating efficiency is high for solve the oil collection that exists among the prior art and demolish all very inconvenient scheduling problem.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a safety device that is used for restricted space to replace blind plate to take out stifled, its includes oil tank and oil leak detection mechanism, first gate valve is installed to the left end of oil tank, and the left side of first gate valve is provided with metal collapsible tube, and metal collapsible tube's left side has set gradually nozzle stub and second gate valve, and the middle part below of nozzle stub is equipped with the evacuation detection pipe, oil leak detection mechanism is installed in the bottom outside of evacuation detection pipe, and oil leak detection mechanism's right side is provided with supporting mechanism.
As a preferred embodiment, the metal hose includes a metal pipe body, two flange plates and fastening bolts, the two flange plates are respectively and fixedly mounted on the left and right sides of the metal pipe body, and a plurality of fastening bolts are annularly distributed on the peripheral sides of the two flange plates.
In a preferred embodiment, the short pipe, the metal hose and the second gate valve are connected by flanges, the evacuation detection pipe is welded below the middle part of the short pipe, and the second gate valve is a double-close double-break valve.
As a preferred embodiment, the oil leakage detection mechanism comprises a peep hole, a three-way pipe, an oil storage barrel, a detection barrel, a mesh plate, a magnetic small floating ball, a screwed plug, a magnetic switch and an oil leakage alarm, wherein the three-way pipe is installed at the bottom of the peep hole, the oil storage barrel is arranged below the left side of the three-way pipe, the detection barrel is connected right below the three-way pipe, the mesh plate is connected to the inner side of the detection barrel, the magnetic small floating ball is arranged between the two mesh plates, the screwed plug is installed at the bottom of the detection barrel, the magnetic switch is installed on the outer wall of the top of the detection barrel, and the oil leakage alarm is arranged on the right side of the detection barrel.
As a preferred embodiment, the upper end and the lower end of the sight glass are respectively in threaded connection with an evacuation detection tube and a three-way tube, the three-way tube is in threaded connection with a detection barrel, the two mesh plates are both fixedly connected with the detection barrel, and the oil leakage alarm is mounted at the front end of the supporting mechanism.
As a preferred embodiment, the supporting mechanism includes a supporting rod, a first positioning ring, a second positioning ring and a positioning bolt, the first positioning ring is fixedly connected to the top of the supporting rod, the upper end of the first positioning ring is connected to the second positioning ring, and the first positioning ring is fixedly connected to the second positioning ring through the positioning bolt.
In a preferred embodiment, the first positioning ring and the second positioning ring are respectively arranged on the upper side and the lower side of the right end of the short pipe.
Compared with the prior art, the beneficial effects of the utility model are that:
in the scheme of the utility model:
the second gate valve is a double-close double-break valve, the sealing performance is better than that of the gate valve, the risk of internal leakage of the valve can be effectively reduced, once the second gate valve leaks internally during special operation, leaked materials can be discharged by checking the emptying valve, the leakage can be found in time, the operation can be interrupted, the materials can be prevented from entering the oil tank, and the energy isolation effect can be realized;
the arrangement of the evacuation detection pipe can reduce the possibility of leakage in normal operation, the short pipe is additionally arranged between the second gate valve and the metal pipe body, the evacuation detection pipe is convenient to install in the middle of the double valve, a blind plate is not required to be used, a valve and a flange are not required to be dismounted, a special operation ticket for plugging by the blind plate is not required to be handled, the operation efficiency is improved, and convenience and safety are realized;
this structure has manual monitoring concurrently, oil leak automatic monitoring and emergent oil extraction function, when inspection exhaust-valve oil leak, at first can carry out manual observation through the sight glass to when the oil leak is collected in detecting the bucket, can make the little floater of magnetism float and be close to magnetic switch, and report to the police through the oil leak alarm, and in addition, oil leak accessible three-way pipe is retrieved to the oil storage bucket, prevents to detect that oil is too much and the appearance is excessive in the bucket.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and the following description will be made with reference to the drawings:
fig. 1 is a schematic view of the three-dimensional front view structure of the present invention;
FIG. 2 is a schematic view of the metal hose of the present invention;
fig. 3 is a schematic view of a front section structure of the oil leak detection mechanism of the present invention;
FIG. 4 is a schematic side view of the supporting mechanism of the present invention;
fig. 5 is a schematic view of the front-view section structure of the three-way pipe and the detection barrel of the utility model.
In the figure:
1. an oil tank; 2. a first gate valve; 3. a metal hose; 31. a metal pipe body; 32. a flange plate; 33. fastening a bolt; 4. a short pipe; 5. a second gate valve; 6. emptying the detection tube; 7. an oil leak detection mechanism; 71. a sight glass; 72. a three-way pipe; 73. an oil storage barrel; 74. a detection barrel; 75. a screen plate; 76. a magnetic small floating ball; 77. plugging with a thread; 78. a magnetic switch; 79. an oil leakage alarm; 8. a support mechanism; 81. a strut; 82. a first positioning ring; 83. a second positioning ring; 84. and (6) positioning the bolt.
Detailed Description
The embodiments described below are only a part of the embodiments of the present invention, and do not represent all embodiments consistent with the present invention. Exemplary embodiments will now be described with reference to the accompanying drawings, in which:
as shown in fig. 1-5, the utility model is used for restricted space replaces blind plate to take out stifled safety device, it includes oil tank 1 and oil leak detection mechanism 7, first gate valve 2 is installed to the left end of oil tank 1, the left side of first gate valve 2 is provided with metal collapsible tube 3, metal collapsible tube 3's left side has set gradually nozzle stub 4 and second gate valve 5, the middle part below of nozzle stub 4 is equipped with evacuation detection tube 6, under evacuation detection tube 6's effect, when being convenient for reveal the material, accessible evacuation detection tube 6 discharges, oil leak detection mechanism 7 is installed in the bottom outside of evacuation detection tube 6, under oil leak detection mechanism 7's effect, can inspect whether there is the condition of revealing, oil leak detection mechanism 7's right side is provided with supporting mechanism 8, under supporting mechanism 8's effect, can provide the support to nozzle stub 4.
In a preferred embodiment, in addition to the above structure, the metal hose 3 further includes a metal pipe body 31, two flanges 32 and fastening bolts 33, the two flanges 32 are respectively fixedly mounted on the left and right sides of the metal pipe body 31, a plurality of fastening bolts 33 are annularly distributed on the peripheral sides of the two flanges 32, and the metal hose 3 is conveniently mounted under the action of the left and right flanges 32.
In a preferred embodiment, in addition to the above configuration, the short pipe 4, the metal hose 3, and the second gate valve 5 are connected by flanges, the evacuation detection pipe 6 is welded to the lower middle portion of the short pipe 4, the second gate valve 5 is a double-shut double-break valve, and the second gate valve 5 is a double-shut double-break valve, whereby the sealing effect can be improved.
In a preferred embodiment, in addition to the above structure, the oil leakage detection mechanism 7 further includes a scope 71, a three-way pipe 72, an oil storage tank 73, a detection tank 74, a mesh plate 75, a small magnetic floating ball 76, a screw plug 77, a magnetic switch 78, and an oil leakage alarm 79, the three-way pipe 72 is installed at the bottom of the scope 71, the oil storage tank 73 is installed at the lower left of the three-way pipe 72, the detection tank 74 is connected to the position right below the three-way pipe 72, the mesh plate 75 is connected to the inner side of the detection tank 74, the small magnetic floating ball 76 is installed between the two mesh plates 75, the screw plug 77 is installed at the bottom of the detection tank 74, the magnetic switch 78 is installed on the outer wall of the top of the detection tank 74, the oil leakage alarm 79 is installed at the right side of the detection tank 74, and whether oil leakage occurs or not can be detected by the oil leakage detection mechanism 7.
In a preferred embodiment, in addition to the above structure, the upper end and the lower end of the sight glass 71 are respectively in threaded connection with the evacuation detection pipe 6 and the three-way pipe 72, the three-way pipe 72 is in threaded connection with the detection barrel 74, both the net plates 75 are fixedly connected with the detection barrel 74, the oil leakage alarm 79 is installed at the front end of the supporting mechanism 8, and the sight glass 71 is arranged to facilitate manual monitoring of oil leakage.
In a preferred embodiment, based on the above structure, the supporting mechanism 8 further includes a supporting rod 81, a first positioning ring 82, a second positioning ring 83 and a positioning bolt 84, the first positioning ring 82 is fixedly connected to the top of the supporting rod 81, the upper end of the first positioning ring 82 is connected to the second positioning ring 83, the first positioning ring 82 and the second positioning ring 83 are fixedly connected by the positioning bolt 84, and the supporting mechanism 8 can provide support for the short pipe 4.
In a preferred embodiment, in addition to the above structure, the first positioning ring 82 and the second positioning ring 83 are respectively disposed on the upper and lower sides of the right end of the short pipe 4, and the short pipe 4 can be clamped and positioned by the first positioning ring 82 and the second positioning ring 83.
The utility model discloses a theory of operation as follows:
when the device is used, firstly, when the device normally operates, the inspection emptying valve arranged in the emptying detection pipe 6 is in a closed state, when the oil tank 1 is inspected and cleaned, the first gate valve 2 and the second gate valve 5 can be closed, the inspection emptying valve arranged in the emptying detection pipe 6 is opened, and after oil storage between the first gate valve 2 and the second gate valve 5 is emptied, oil leakage detection can be carried out through the oil leakage detection mechanism 7;
when the oil tank 1 is used for special cleaning limited space operation, leaked oil drops and is collected in the detection barrel 74, the small magnetic floating ball 76 can float and approach the magnetic switch 78, and an alarm is given through the oil leakage alarm 79, which indicates that the check emptying valve inside the emptying detection pipe 6 has oil leakage, and further indicates that the second gate valve 5 has inner leakage, at the moment, a guardian outside the oil tank 1 needs to immediately call out the oil tank 1 from the operator in the oil tank 1, the special operation is stopped, and the oil can be recycled to the oil storage barrel 73 through the three-way pipe 72, so that the overflow caused by excessive oil in the detection barrel 74 is prevented, and through the arrangement of the two layers of screen plates 75, the small magnetic floating ball 76 can be prevented from floating into the oil storage barrel 73 along with the oil, and can be prevented from falling from the bottom of the detection barrel 74 when the screw plug 77 is opened;
close the inside inspection blowoff valve of evacuation test tube 6 after the stop work, the second gate valve 5 chooses for use the double-close double-break valve, and the leakproofness is better than ordinary gate valve, can effectively reduce the interior hourglass risk of valve, increases nozzle stub 4 between second gate valve 5 and metal collapsible tube 3, and the evacuation test tube 6 of being convenient for is installed in the middle of the bivalve to need not to use the blind plate, need not to demolish valve, flange, need not to handle the blind plate and take out stifled special operation ticket, improves the operating efficiency, and is convenient and safe.
The above are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention; the present invention is intended to cover such alternatives, modifications, substitutions and variations as may be suggested by those skilled in the art based on the teachings herein and by their equivalents through analysis of logic, reasoning and limited experimentation.
Claims (7)
1. A safety device for plugging in a confined space instead of a blind plate comprises an oil tank (1) and an oil leakage detection mechanism (7), and is characterized in that: first gate valve (2) are installed to the left end of oil tank (1), and the left side of first gate valve (2) is provided with metal collapsible tube (3), and the left side of metal collapsible tube (3) has set gradually nozzle stub (4) and second gate valve (5), and the middle part below of nozzle stub (4) is equipped with evacuation detecting tube (6), oil leak detection mechanism (7) are installed in the bottom outside of evacuation detecting tube (6), and the right side of oil leak detection mechanism (7) is provided with supporting mechanism (8).
2. A safety device for blind plug extraction in place of a confined space as claimed in claim 1, wherein: metal collapsible tube (3) include metal body (31), ring flange (32) and fastening bolt (33), two ring flange (32) fixed mounting is in the left and right sides of metal body (31) respectively, two the week side of ring flange (32) all is the annular distribution and has a plurality of fastening bolt (33).
3. A safety device for blind plug extraction in place of a confined space as claimed in claim 1, wherein: the short pipe (4) is connected with the metal hose (3) and the second gate valve (5) in a flange mode, the emptying detection pipe (6) is welded below the middle of the short pipe (4), and the second gate valve (5) is a double-closing and double-breaking valve.
4. A safety device for blind extraction from confined spaces in place of blind extraction as claimed in claim 1 wherein: the oil leakage detection mechanism (7) comprises a peep hole (71), a three-way pipe (72), an oil storage barrel (73), a detection barrel (74), a screen plate (75), a small magnetic floating ball (76), a thread plug (77), a magnetic switch (78) and an oil leakage alarm (79), wherein the three-way pipe (72) is installed at the bottom of the peep hole (71), the oil storage barrel (73) is arranged at the lower left of the three-way pipe (72), the detection barrel (74) is connected under the three-way pipe (72), the screen plate (75) is connected to the inner side of the detection barrel (74), the small magnetic floating ball (76) is arranged between the screen plates (75), the thread plug (77) is installed at the bottom of the detection barrel (74), the magnetic switch (78) is installed on the outer wall of the top of the detection barrel (74), and the oil leakage alarm (79) is arranged on the right side of the detection barrel (74).
5. A safety device for blind plug extraction in place of a confined space as claimed in claim 4 wherein: the upper end and the lower end of the peeping mirror (71) are respectively in threaded connection with the emptying detection pipe (6) and the three-way pipe (72), the three-way pipe (72) is in threaded connection with the detection barrel (74), the two mesh plates (75) are fixedly connected with the detection barrel (74), and the oil leakage alarm (79) is installed at the front end of the supporting mechanism (8).
6. A safety device for blind extraction from confined spaces in place of blind extraction as claimed in claim 1 wherein: supporting mechanism (8) include branch (81), first holding ring (82), second holding ring (83) and positioning bolt (84), and first holding ring (82) fixed connection is in the top of branch (81), and the upper end of first holding ring (82) is connected with second holding ring (83), and first holding ring (82) pass through positioning bolt (84) fixed the linking to each other with second holding ring (83).
7. A safety device for blind extraction from confined spaces in place of the blind as claimed in claim 6, wherein: the first positioning ring (82) and the second positioning ring (83) are respectively arranged on the upper side and the lower side of the right end of the short pipe (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223052355.4U CN218494772U (en) | 2022-11-16 | 2022-11-16 | Safety device for replacing blind plate plugging in limited space |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223052355.4U CN218494772U (en) | 2022-11-16 | 2022-11-16 | Safety device for replacing blind plate plugging in limited space |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218494772U true CN218494772U (en) | 2023-02-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223052355.4U Active CN218494772U (en) | 2022-11-16 | 2022-11-16 | Safety device for replacing blind plate plugging in limited space |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218494772U (en) |
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2022
- 2022-11-16 CN CN202223052355.4U patent/CN218494772U/en active Active
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