CN209196565U - A kind of LNG leakage automatic alarm device - Google Patents
A kind of LNG leakage automatic alarm device Download PDFInfo
- Publication number
- CN209196565U CN209196565U CN201822271897.8U CN201822271897U CN209196565U CN 209196565 U CN209196565 U CN 209196565U CN 201822271897 U CN201822271897 U CN 201822271897U CN 209196565 U CN209196565 U CN 209196565U
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- CN
- China
- Prior art keywords
- cover board
- chimb
- sealing plate
- lng
- alarm device
- 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.)
- Expired - Fee Related
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Abstract
The utility model belongs to field of mechanical technique, is related to a kind of LNG leakage automatic alarm device.The utility model includes cover board one and cover board two, the side of cover board one and cover board two is hinged, the other side is respectively equipped with chimb one and chimb two, and left and right ends are respectively equipped with sealing plate one and sealing plate two, gap is offered on sealing plate one and sealing plate two, when the lid of cover board one closes on cover board two, chimb one and chimb two are bonded to each other and the sealing plate one positioned at two the same end of cover board one and cover board and sealing plate two are bonded to each other, the fastener that chimb one and chimb two can be fixed together is equipped between chimb one and chimb two, liquid collecting plate is equipped in cover board two, liquid collecting plate, the inner wall and cover board two of sealing plate two surround liquid storage chamber, through-hole one is offered on liquid collecting plate, cover board one is equipped with alarm, cover board two is equipped with thermoelectric generation film, thermoelectric generation film is electrically connected with alarm.Utility model has the advantages that preventing LNG from spreading in LNG leakage and issuing alarm in time.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of LNG leakage automatic alarm device.
Background technique
In LNG process equipment and process, LNG is transported to corresponding gas station or warehouse by LNG transport vehicle,
Unload LNG when, need by station in pipeline be connected with the pipeline on LNG transport vehicle after progress LNG conveying.Under normal pressure, LNG temperature
Degree is -162.15 DEG C, therefore LNG can cause injury from low temperature to the flange for pipeline of unloading during transportation, to easily make flange
Breakage, the generation for causing LNG to leak.1m simultaneously3LNG gasification will generate 600m3The gaseous natural gas of left and right, normal after LNG leakage
Rapidly gasify under temperature, expand, so that there are risk of explosion within the scope of the concentration of natural gas in air reaches explosion ratio, and
And a large amount of cold energy release of LNG is so that ambient temperature rapid decrease, field personnel is careless slightly will be due to low temperature
And it is injured.Furthermore LNG leakage accident also will cause a large amount of losses of natural gas.
Utility model content
The purpose of this utility model is the presence of the above problem in view of the prior art, proposes a kind of automatic report of LNG leakage
Alarm device, the technical problem to be solved by the utility model is to how to prevent LNG from spreading in LNG leakage and issue report in time
It is alert.
The purpose of this utility model can be realized by the following technical scheme: a kind of LNG leakage automatic alarm device, including
Semi-circular shape is presented in the cross section of cover board one and cover board two, the cover board one and cover board two, and the cover board one and cover board two are long
The side for spending direction is hinged by hinge, and the other side of two length direction of the cover board one and cover board is respectively arranged with chimb one
With chimb two, the left and right ends of the cover board one are installed with semicircular sealing plate one, and the left and right ends of the cover board two are solid
Equipped with semicircular sealing plate two, the middle part of the sealing plate one and sealing plate two offers semicircular gap, closes when cover board one covers
When on cover board two, the chimb one and chimb two are bonded to each other and are located at the sealing plate of two the same end of the cover board one and cover board
One and sealing plate two be bonded to each other, gap on the sealing plate one and sealing plate two being bonded to each other forms evacuation circular hole, one He of chimb
It is additionally provided with the fastener that chimb one and chimb two can be fixed together between chimb two, is fixedly provided in the cover board two
The arc-shaped liquid collecting plate in cross section, the liquid collecting plate, the inner wall of sealing plate two and cover board two surround liquid storage chamber, the liquid collecting plate
Middle part offers through-hole one, and the through-hole one is connected to liquid storage chamber, is provided with alarm on the cover board one, under the cover board two
Thermoelectric generation film is provided on side, the thermoelectric generation film is electrically connected with alarm.
It offers in a kind of above-mentioned LNG leakage automatic alarm device, on the chimb one along side length direction several
A groove one, the chimb two offer several grooves two along side length direction, and the groove two is corresponded with groove one,
When the lid of cover board one closes on cover board two, the corresponding groove two and groove one are overlapped, and the fastener is L shape
Bar, the L shape bar include horizontal part and vertical portion, and one end of the horizontal part is hinged on the downside of chimb two, described perpendicular
There is external screw thread in straight portion, be connected through a screw thread wing nut on the vertical portion, when the lid of cover board one closes on cover board two,
The vertical portion can pass through groove two and groove one and in a vertical state, when rotating the wing nut at least one
Wing nut described in a position can be pressed on chimb one.
In a kind of above-mentioned LNG leakage automatic alarm device, recessed shoulder is offered on the upper side of the groove one, it is described
The cross sectional dimensions of recessed shoulder is greater than the cross sectional dimensions of wing nut lower end.
In a kind of above-mentioned LNG leakage automatic alarm device, also it is arranged in parallel between the liquid collecting plate and cover board two
Two pieces of partitions and two pieces of partitions are located at the two sides of through-hole one, offer through-hole two on the bottom and top of the partition,
The through-hole two runs through two sides of partition.
In a kind of above-mentioned LNG leakage automatic alarm device, the cover board one, cover board two, sealing plate one and sealing plate two
Insulating layer is provided on inside.
In a kind of above-mentioned LNG leakage automatic alarm device, semitight ring is provided on the inner wall of the gap.
In a kind of above-mentioned LNG leakage automatic alarm device, if be provided on the outer wall of the cover board one controller and
Dry LED light, the LED light are electrically connected by controller with thermoelectric generation film, and the alarm is sent out by controller and the temperature difference
Electric piece electrical connection.
Compared with prior art, the utility model has the advantage that
1, the present apparatus is simple in construction, easy to disassemble and assemble.The volatilization that LNG can be effectively reduced when LNG leakage, prevents gaseous
Gas diffusion probability and prevents staff injured due to low temperature to reduce explosion, at the same can timely alarm, avoid
Serious LNG leakage accident occurs.Furthermore the LNG of leakage can be recycled by only needing to recycle the present apparatus, to reduce money
Source waste.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structure sectional view of the utility model.
Fig. 3 is the side view in Fig. 1 at A-A.
Fig. 4 is the enlarged drawing in Fig. 3 at B.
Fig. 5 is the top view in Fig. 4 at C-C.
In figure, 1, pipeline；2, flange；3, sealing plate one；31, cavity one；32, semitight ring；33, chimb one；34, groove
One；35, gap；36, recessed shoulder；4, sealing plate two；41, cavity two；42, hinge；43, chimb two；44, groove two；5, thermo-electric generation
Piece；6, liquid collecting plate；61, liquid storage chamber；62, through-hole one；63, partition；64, through-hole two；65, insulating layer；7, alarm；8, it controls
Device；9, LED light；10, L shape bar；101, horizontal part；102, vertical portion；103, wing nut.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
Implementation column one:
Shown in referring to Fig.1~5, a kind of LNG leakage automatic alarm device, including cover board 1 and cover board 2 12, the lid
Semi-circular shape is presented in the cross section of plate 1 and cover board 2 12, and the side of 2 12 length direction of the cover board 1 and cover board is logical
It is hinged to cross hinge 42, the other side of 2 12 length direction of the cover board 1 and cover board is respectively arranged with chimb 1 and chimb
2 43, the left and right ends of the cover board 1 are installed with semicircular sealing plate 1, and the left and right ends of the cover board 2 12 are solid
Equipped with semicircular sealing plate 24, the middle part of the sealing plate 1 and sealing plate 24 offers semicircular gap 35, when cover board one
11 lids close when on cover board 2 12, and the chimb 1 and chimb 2 43 are bonded to each other and are located at the cover board 1 and cover board
The sealing plate 1 and sealing plate 24 of 2 12 the same ends are bonded to each other, the formation of gap 35 on the sealing plate 1 and sealing plate 24 being bonded to each other
Circular hole is avoided, chimb 1 and chimb 2 43 can be fixed together by being additionally provided between the chimb 1 and chimb 2 43
Fastener, be fixedly provided with the arc-shaped liquid collecting plate 6 in cross section in the cover board 2 12, the liquid collecting plate 6, sealing plate 24 it is interior
Wall and cover board 2 12 surround liquid storage chamber 61, and the middle part of the liquid collecting plate 6 offers through-hole 1, the connection of through-hole 1 storage
Sap cavity 61 is provided with alarm 7 on the cover board 1, thermoelectric generation film 5, institute is provided on the downside of the cover board 2 12
Thermoelectric generation film 5 is stated to be electrically connected with alarm 7.
Cover board 1 in the present apparatus and cavity 1, cover board 2 12 and two are formed between the inner wall of two sealing plates 1
Cavity 2 41 is formed between the inner wall of a sealing plate 24.Before LNG unloads beginning, the mobile present apparatus, so that two sealing plates 24
Gap 35 be located at the underface of pipeline 1, and the flange 2 on pipeline 1 is located between two sealing plates 24.By cover board 1 around
Hinge 42 rotate so that the lid of cover board 1 closes on cover board 2 12, pipeline 1 is located in evacuation circular hole at this time, and pipeline 1
The inner wall sealed set of outer wall and evacuation circular hole；Chimb 1 and chimb 2 43 are bonded to each other and are located at one 11 He of cover board simultaneously
The sealing plate 1 and sealing plate 24 of 2 12 the same end of cover board are bonded to each other, so that cavity 1 and cavity 2 41 form sealing sky
Between.Cover board 1 is fixed together with cover board 2 12 and sealing plate 1 with sealing plate 24 by fastener, so that the present apparatus is fixed on
On pipeline 1, while also improving the leakproofness of the present apparatus.
When breakage occurs in flange 2, LNG a part of leakage absorbs heat to form gaseous Gas diffusion in one 31 He of cavity
In the sealing space that cavity 2 41 is formed, to prevent gaseous natural gas leaking into external environment；Remainder is still
Liquid collects in the middle part of liquid collecting plate 6 under gravity, and is flowed into liquid storage chamber 61 by through-hole 1.Liquid collecting plate 6
It is provided with collecting conducive to LNG；The setting of liquid storage chamber 61 advantageously reduces the contact area of LNG and air, slows down waving for LNG
Hair.A large amount of cold energy can be generated in LNG leakage, so that the temperature rapid decrease of cover board 1, the setting benefit of thermoelectric generation film 5
With the part, cold energy generates electricity, and provides power to alarm 7, so that alarm 7 sounds the alarm, to remind existing
Field staff handles problem in time.The present apparatus it is simple in construction, easy to disassemble and assemble, when LNG leakage when can effectively reduce waving for LNG
Hair, prevents gaseous Gas diffusion, probability and prevents staff injured due to low temperature to reduce explosion, while can be with
Timely alarm avoids serious LNG leakage accident from occurring.Furthermore the LNG of leakage can be returned by only needing to recycle the present apparatus
It receives, to reduce the wasting of resources.
Preferably, the material of liquid collecting plate 6 use foam glass, cover board 1, cover board 2 12, sealing plate 1 and sealing plate 4 material
Material uses stainless steel.
Specifically, several grooves 1, the chimb 2 43 are offered along side length direction on the chimb 1
Several grooves 2 44 are offered along side length direction, the groove 2 44 is corresponded with groove 1, when cover board 1 covers
It closing when on cover board 2 12, the corresponding groove 2 44 and groove 1 are overlapped, and the fastener is L shape bar 10,
The L shape bar 10 includes horizontal part 101 and vertical portion 102, and one end of the horizontal part 101 is hinged on the downside of chimb 2 43
On, there is external screw thread on the vertical portion 102, be connected through a screw thread wing nut 103 on the vertical portion 102, worked as cover board
One 11 lids close when on cover board 2 12, and the vertical portion 102 can pass through groove 2 44 and groove 1 and be in vertical shape
State, when rotating the wing nut 103, wing nut 103 described at least one position can be pressed on chimb 1.
When needing cover board 1 and cover board 2 12 to be fixed together, the lid of cover board 1 is closed on cover board 2 12,
Horizontal part 101 is rotated around hinge joint, so that vertical portion 102 passes through groove 2 44 and groove 1.Wing nut is rotated simultaneously
103, the lower end of wing nut 103 is pressed on chimb 1, so that cover board 1 and cover board 2 12 are fixed on
Together.In disassembly, wing nut 103 is rotated, so that upper side of the wing nut 103 far from chimb 1, horizontal part 101
It is rotated around hinge joint, so that vertical portion 102 is located at the outside of groove 2 44 and groove 1, so as to facilitate the present apparatus
It is dismantled from pipeline 1.The structure order, it is easy to operate.
Specifically, recessed shoulder 36 is offered on the upper side of the groove 1, the cross sectional dimensions of the recessed shoulder 36 is big
Cross sectional dimensions in 103 lower end of wing nut.
Recessed shoulder 36 is provided with the upper side edge for preventing wing nut 103 from groove 1 conducive to the positioning of wing nut 103
Along upper slippage.
Specifically, two pieces of partitions 63 and two pieces of partitions 63 are also arranged in parallel between the liquid collecting plate 6 and cover board 2 12
The two sides of through-hole 1 are located at, through-hole 2 64, the through-hole 2 64 are offered on the bottom and top of the partition 63
Through two sides of partition 63.
The LNG that the setting of partition 63 advantageously reduces in liquid storage chamber 61 is rocked, and is reduced the LNG due to caused by rocking and is waved
Hair.Through-hole 2 64 is provided with conducive to the flowing of the LNG in liquid storage chamber 61, avoids LNG in partition 63, liquid collecting plate 6 and cover board two
It is remained in the space formed between 14.
Specifically, insulating layer is provided on the inside of the cover board 1, cover board 2 12, sealing plate 1 and sealing plate 24
65。
On the one hand the setting of the insulating layer 65 is conducive to avoid cover board 1, cover board 2 12, sealing plate 1 and sealing plate 24
Cause the case where cracking due to being cooled suddenly, on the other hand there is insulation effect, while external environment pair can be slowed down
Heat transmitting inside the present apparatus, to reduce the rate of volatilization of the LNG of leakage.
Preferably, the material of insulating layer 65 uses foam glass.
Specifically, semitight ring 32 is provided on the inner wall of the gap 35.
When pipeline 1 is located in evacuation circular hole, the outer wall of pipeline 1 is bonded with semitight ring 32 and sealed set, thus anti-
Only gaseous natural gas leaking is into external environment.
Specifically, controller 8 and several LED light 9 are provided on the outer wall of the cover board 1, the LED light 9 is logical
It crosses controller 8 to be electrically connected with thermoelectric generation film 5, the alarm 7 is electrically connected by controller 8 with thermoelectric generation film 5.
When LNG leakage, the electric energy that thermoelectric generation film 5 issues supplies LED light 9, and LED light 9 is lighted.LED light 9
Be provided with and find LNG leakage situation in time at night conducive to staff, and convenient for observation after the generation of LNG leakage situation
Present apparatus ambient conditions.It is bright that the setting of controller 8 avoids 7 false alarm of alarm and LED light 9 from missing.
Embodiment two:
The present embodiment two is basically the same as the first embodiment, the difference lies in that the thermoelectric generation film 5 is replaced by thermoelectric generator
The generating efficiency in generation, thermoelectric generator is higher, and output voltage is more stable.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Claims (7)
1. a kind of LNG leakage automatic alarm device, which is characterized in that including cover board one (11) and cover board two (12), the cover board
One (11) and the cross section of cover board two (12) are presented semi-circular shape, the cover board one (11) and cover board two (12) length direction
Hingedly by hinge (42), the other side of the cover board one (11) and cover board two (12) length direction is respectively arranged with convex for side
Side one (33) and chimb two (43), the left and right ends of the cover board one (11) are installed with semicircular sealing plate one (3), the lid
The left and right ends of plate two (12) are installed with semicircular sealing plate two (4), and the middle part of the sealing plate one (3) and sealing plate two (4) is equal
Semicircular gap (35) are offered, when cover board one (11) lid closes on cover board two (12), the chimb one (33) and chimb
Two (43) are bonded to each other and are located at the sealing plate one (3) and sealing plate two (4) of the cover board one (11) and cover board two (12) the same end
It is bonded to each other, the gap (35) on the sealing plate one (3) and sealing plate two (4) being bonded to each other forms evacuation circular hole, the chimb one
(33) fastener that chimb one (33) and chimb two (43) can be fixed together, institute are additionally provided between chimb two (43)
State and be fixedly provided with the arc-shaped liquid collecting plate in cross section (6) in cover board two (12), the liquid collecting plate (6), sealing plate two (4) inner wall with
And cover board two (12) surrounds liquid storage chamber (61), and through-hole one (62), the through-hole one (62) are offered in the middle part of the liquid collecting plate (6)
It is connected to liquid storage chamber (61), is provided with alarm (7) on the cover board one (11), is provided on the downside of the cover board two (12)
Thermoelectric generation film (5), the thermoelectric generation film (5) are electrically connected with alarm (7).
2. a kind of LNG leakage automatic alarm device according to claim 1, which is characterized in that on the chimb one (33)
Several grooves one (34) are offered along side length direction, the chimb two (43) offers several grooves along side length direction
Two (44), the groove two (44) and groove one (34) correspond, when cover board one (11) lid closes on cover board two (12), phase
The corresponding groove two (44) and groove one (34) are overlapped, and the fastener is L shape bar (10), the L shape bar (10)
Including horizontal part (101) and vertical portion (102), one end of the horizontal part (101) is hinged on the downside of chimb two (43),
There is external screw thread on the vertical portion (102), be connected through a screw thread wing nut (103) on the vertical portion (102), worked as lid
Plate one (11) lid closes when on cover board two (12), and the vertical portion (102) can pass through groove two (44) and groove one (34) simultaneously
And it is in a vertical state, when rotating wing nut (103), wing nut (103) described at least one position can be supported
It is pressed on chimb one (33).
3. a kind of LNG leakage automatic alarm device according to claim 2, which is characterized in that the groove one (34)
It is offered on upper side recessed shoulder (36), the cross sectional dimensions of the recessed shoulder (36) is greater than the cross section of wing nut (103) lower end
Size.
4. a kind of LNG leakage automatic alarm device according to claim 1 or 2 or 3, which is characterized in that the liquid collecting plate
(6) it is also arranged in parallel with two pieces of partitions (63) between cover board two (12) and two pieces of partitions (63) are located at through-hole one (62)
Two sides, through-hole two (64) is offered on the bottom and top of the partition (63), and the through-hole two (64) runs through partition (63)
Two sides.
5. a kind of LNG leakage automatic alarm device according to claim 4, which is characterized in that the cover board one (11), lid
Insulating layer (65) are provided on the inside of plate two (12), sealing plate one (3) and sealing plate two (4).
6. a kind of LNG leakage automatic alarm device according to claim 1, which is characterized in that the gap (35) it is interior
Semitight ring (32) are provided on wall.
7. a kind of LNG leakage automatic alarm device according to claim 1, which is characterized in that the cover board one (11)
Controller (8) and several LED light (9) are provided on outer wall, the LED light (9) passes through controller (8) and thermoelectric generation film
(5) it is electrically connected, the alarm (7) is electrically connected by controller (8) with thermoelectric generation film (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271897.8U CN209196565U (en) | 2018-12-29 | 2018-12-29 | A kind of LNG leakage automatic alarm device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271897.8U CN209196565U (en) | 2018-12-29 | 2018-12-29 | A kind of LNG leakage automatic alarm device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209196565U true CN209196565U (en) | 2019-08-02 |
Family
ID=67430892
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822271897.8U Expired - Fee Related CN209196565U (en) | 2018-12-29 | 2018-12-29 | A kind of LNG leakage automatic alarm device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209196565U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653884A (en) * | 2021-10-20 | 2021-11-16 | 南通诚友信息技术有限公司 | Hot water engineering pipeline anticorrosion insulation construction |
-
2018
- 2018-12-29 CN CN201822271897.8U patent/CN209196565U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113653884A (en) * | 2021-10-20 | 2021-11-16 | 南通诚友信息技术有限公司 | Hot water engineering pipeline anticorrosion insulation construction |
| CN113653884B (en) * | 2021-10-20 | 2021-12-21 | 南通诚友信息技术有限公司 | Hot water engineering pipeline anticorrosion insulation construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190802 Termination date: 20191229 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |