Quick-mounting flame arrester for natural gas tank car
Technical Field
The utility model relates to a spark arrester technical field especially relates to a natural gas tank wagon fast-assembling spark arrester.
Background
The flame arrester is a safety device for preventing the flame of inflammable gas and inflammable liquid steam from spreading, and in order to increase the safety performance of the natural gas tank wagon, the flame arrester needs to be arranged on a discharge pipeline of the natural gas tank wagon.
The existing flame arrester does not have a mechanism for quickly installing a natural gas tank car, does not have a mechanism for isolating the inside of the flame arrester, and does not have a mechanism for moving a flame arrester plate on the flame arrester, so that the flame arrester is low in protection efficiency and poor in flame arrester effect.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing flame arrester does not have a mechanism for quickly assembling the natural gas tank wagon, does not have a mechanism for moving the inside of the flame arrester, does not have a mechanism for isolating the flame arrester, and has low protection efficiency of the flame arrester, poor fire-arresting effect and the proposed quick-assembling flame arrester of the natural gas tank wagon.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a natural gas tank wagon fast-assembling spark arrester, includes first casing, first casing bottom is connected with the second casing, and second casing internally mounted has the diaphragm, the diaphragm inboard is connected with the curb plate, fast-assembling mechanism is installed to first casing one side, fast-assembling mechanism is inside including the fixture block, and fixture block outer wall fixedly connected with sealing washer, the groove piece is installed to sealing washer outside block, and groove piece external connection has the hand to twist the screw rod, the hand is twisted screw rod outer wall screw thread and is installed fixation nut, curb plate one side is connected with isolated mechanism, and isolated mechanism installs back-fire relief mechanism in the bottom.
As a further description of the above technical solution:
the clamping block and the groove block form a clamping structure through the sealing ring, and the central axis of the clamping block coincides with the central axis of the groove block.
As a further description of the above technical solution:
the isolation mechanism is internally provided with a spring, the spring is movably connected with a movable rod, a trapezoidal block is installed at the top end of the movable rod, and the bottom end of the movable rod is connected with a bottom plate.
As a further description of the above technical solution:
the trapezoidal piece passes through the spring and constitutes elastic structure with the diaphragm, and the axis of trapezoidal piece coincides mutually with the axis of spring.
As a further description of the above technical solution:
the inside riser that is included of back-fire relief mechanism, and riser one side has seted up the spout, spout one side slidable mounting has the slider, and slider one side is connected with the back-fire relief board.
As a further description of the above technical solution:
the fire relief plate forms sliding structure with the vertical plate through the chute, the sliding block, and the vertical plate forms integrated structure with the fire relief plate through the slot.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses in, under the effect of fast-assembling mechanism, twist the screw rod through twisting the hand, make the hand twist the screw rod and be connected first casing and second casing in the tank wagon, twist the fixed action of screw rod under the fixation nut adversary, make first casing and second casing fixed, twist the equidistance distribution of screw rod in first casing one side through the hand, make first casing and second casing keep firm, through such setting, make the user install the tank wagon under the help that does not have any instrument, promote the convenience of spark arrester installation, great improvement work efficiency.
2. The utility model discloses in, under isolation mechanism's effect, when natural gas circulates in first casing and second casing both sides, gas is in curb plate one side activity, when needs are isolated to gas, under atmospheric pressure's effect, make gas in the first casing strike in to the second casing, thereby make the trapezoidal piece move about to the second casing under the elastic action of spring, make the trapezoidal piece cover the curb plate tightly, thereby make first casing and second casing isolated, through such setting, can prevent the reverse propagation of flame in the pipeline under abnormal conditions, in order to avoid catastrophic accident's emergence.
3. The utility model discloses in, under fire relief mechanism's effect, the back-fire relief board passes through the spout, the slider is at riser side-mounting, thereby install the back-fire relief board in making the second casing, when flame reverse spread in the pipeline, flame will become a plurality of tiny flames after passing through many tiny passageways of back-fire relief board, the area of contact who makes tiny flame and pipeline inner wall enlarges, reinforce heat transfer, make the flame temperature fall to below the ignition point, thereby prevent flame from stretching, through such setting, can carry out dual protection to the spark arrester, promote the performance of spark arrester, prevent dangerous production.
Drawings
Fig. 1 is a schematic structural view of a quick-assembly flame arrester of a natural gas tank car according to the utility model;
FIG. 2 is a schematic structural view of the middle quick-assembling mechanism of the present invention;
FIG. 3 is a schematic view of the isolation mechanism of the present invention;
fig. 4 is the structural schematic diagram of the middle fire-retardant mechanism of the utility model.
Illustration of the drawings:
1. a first housing; 2. a second housing; 3. a transverse plate; 4. a side plate; 5. a quick-mounting mechanism; 501. a clamping block; 502. a seal ring; 503. a groove block; 504. screwing the screw rod by hand; 505. fixing a nut; 6. an isolation mechanism; 601. a spring; 602. a movable rod; 603. a trapezoidal block; 604. a base plate; 7. a fire retarding mechanism; 701. a vertical plate; 702. a chute; 703. a slider; 704. a fire retardant panel.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-4, a quick-assembly flame arrester for a natural gas tank car comprises a first shell 1, a second shell 2, a transverse plate 3, side plates 4, a quick-assembly mechanism 5, a clamping block 501, a sealing ring 502, a groove block 503, a hand-screwed screw rod 504, a fixing nut 505, an isolation mechanism 6, a spring 601, a movable rod 602, a trapezoidal block 603, a bottom plate 604, a flame arresting mechanism 7, a vertical plate 701, a sliding groove 702, a sliding block 703 and a flame arresting plate 704, wherein the bottom of the first shell 1 is connected with the second shell 2, the transverse plate 3 is installed inside the second shell 2, the side plates 4 are connected inside the transverse plate 3, the quick-assembly mechanism 5 is installed on one side of the first shell 1, the quick-assembly mechanism 5 comprises the clamping block 501, the outer wall of the clamping block 501 is fixedly connected with the sealing ring 502, the clamping groove block 503 is installed outside the sealing ring 502, the hand-, an isolation mechanism 6 is connected to one side of the side plate 4, a fire retardant mechanism 7 is installed at the bottom end of the isolation mechanism 6, the first shell 1 and the second shell 2 are connected in the tank car through the hand-screwing screw rod 504, and the first shell 1 and the second shell 2 are fixed under the fixing effect of the fixing nut 505 on the hand-screwing screw rod 504.
Furthermore, the clamping block 501 and the groove block 503 form a clamping structure through the sealing ring 502, the central axis of the clamping block 501 coincides with the central axis of the groove block 503, and the clamping block 501 and the groove block 503 are sealed at the clamping position through the sealing ring 502, so that gas leakage in the pipeline is prevented, and the sealing performance of the device is ensured.
Further, isolation mechanism 6 is inside including spring 601, and the inside swing joint of spring 601 has movable rod 602, and trapezoidal piece 603 is installed on movable rod 602 top, and movable rod 602 bottom is connected with bottom plate 604, and spring 601 can drive trapezoidal piece 603 activity through the fixed connection with trapezoidal piece 603 to prevent the reverse propagation of flame in the pipeline under the abnormal condition, in order to avoid the emergence of catastrophic accident.
Further, trapezoidal piece 603 constitutes elastic structure through spring 601 and diaphragm 3, and the axis of trapezoidal piece 603 coincides mutually with the axis of spring 601, and trapezoidal piece 603 moves about to second casing 2 under the elastic action of spring 601, makes trapezoidal piece 603 cover side plate 4 tightly to it is isolated with second casing 2 to make first casing 1.
Further, fire relief mechanism 7 is inside including riser 701, and riser 701 one side has seted up spout 702, and spout 702 one side slidable mounting has slider 703, and slider 703 one side is connected with fire relief board 704, thereby fire relief board 704 makes fire relief board 704 convenient to detach activity, hoisting device's practicality and convenience at riser 701 one side installation through spout 702, slider 703.
Further, fire retardant board 704 passes through spout 702, slider 703 and riser 701 and constitutes sliding construction, and riser 701 constitutes integrated configuration through fluting and fire retardant board 704, and flame will become a plurality of tiny flames after passing through many tiny passageways of fire retardant board 704, makes the area of contact of tiny flame and pipeline inner wall enlarge, and the intensive heat transfer makes the flame temperature drop to below the ignition point.
The working principle is as follows: when the flame arrester is used, when a user needs to install the flame arrester quickly, the hand-screwed screw 504 is screwed to connect the first shell 1 and the second shell 2 in the tank wagon, the first shell 1 and the second shell 2 are fixed under the fixing action of the fixing nut 505 on the hand-screwed screw 504, the first shell 1 and the second shell 2 are fixed through the equidistant distribution of the hand-screwed screw 504 on one side of the first shell 1, the first shell 1 and the second shell 2 are kept stable, through the arrangement, the user can install the tank wagon without the help of any tool, the convenience of installation of the flame arrester is improved, the working efficiency is greatly improved, when the user needs to keep isolation of the inside of the flame arrester, when natural gas circulates on two sides of the first shell 1 and the second shell 2, the gas moves on one side of the side plate 4, when the gas needs to be isolated, under the action of atmospheric pressure, the gas in the first shell 1 impacts the second shell 2, thereby making trapezoidal block 603 move towards second casing 2 under the elastic action of spring 601, making trapezoidal block 603 cover side plate 4 tightly, thereby making first casing 1 and second casing 2 isolated, through such setting, can prevent the reverse propagation of flame in the pipeline under abnormal circumstances, in order to avoid the emergence of catastrophic accident, when the user needs to install back-fire relief board 704 to the fire arrestor portion, back-fire relief board 704 is installed on one side of riser 701 through spout 702, slider 703, thereby make second casing 2 in install back-fire relief board 704, when flame propagates in the pipeline in reverse, flame will become a plurality of tiny flames after passing through many tiny passageways of back-fire relief board 704, make the contact area of tiny flame and pipeline inner wall enlarge, strengthen the heat transfer, make the flame temperature drop to below the ignition point, thereby prevent flame from spreading, through such setting, can carry out dual protection to the back-fire arrestor, the service performance of the flame arrester is improved, dangerous accidents are prevented, and the working principle of the device is completed.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.