Anti-air-leakage metering device

Abstract

The utility model relates to a gas leakage prevention metering device, which belongs to the technical field of gas metering and comprises a gas meter, a conveying pipeline, an upper gas leakage prevention box, a lower gas leakage prevention box and a hoop, the gas meter is communicated with the conveying pipeline through a bolt, and the upper gas leakage prevention box and the lower gas leakage prevention box are connected through a bolt. The upper air leakage prevention box is fixedly provided with an equipment box, the equipment box is fixedly provided with an exhaust pump and an exhaust valve, and the exhaust pump and the exhaust valve are fixedly communicated. According to the gas leakage prevention metering device, the detachable gas leakage prevention box body is arranged, so that gas leakage prevention protection can be conveniently carried out on the joint of the gas meter and the pipeline, the gas leakage prevention box body can be conveniently detached to carry out maintenance treatment on the leakage part when leakage occurs, gas leakage can be detected through the gas detection alarm, and the gas leakage prevention metering device is convenient to use. And the exhaust valve body is arranged, leaked gas can be safely guided out, and therefore air pollution and potential safety hazards caused by leakage are prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas metering technical field especially relates to a leakage -proof metering device. BACKGROUND

[0002] Natural gas supply will be first from gas field through pipeline delivery to the station, including preliminary treatment station and pressure regulating station etc. In the preliminary treatment station, natural gas will be removed impurities, moisture and sediment and other impurities. In the pressure regulating station, natural gas will be adjusted to the appropriate pressure to meet the needs of different users. In the gas station, it is necessary to use metering device to count the quantity of natural gas delivery.

[0003] Through the retrieval, the prior art with publication number CN202322849449.2 discloses a leakage -proof gas station metering device, by setting detector, buzzer, rotating motor and plug, when the detector detects gas leakage, start rotating motor drive plug to plug the inlet b and outlet b, so that the leakage can be detected and prevented when gas leakage, at the same time, the buzzer is started, reminding the operator that the metering device has leaked, and needs to be repaired.

[0004] The above technical scheme has the following defects, the metering device with leakage -proof structure is set in the actual use process, the air pipe is usually a tempered pipe, and the connecting pipe of the metering device is also a tempered pipe, so it is inconvenient to disassemble and assemble, therefore, the present application provides a leakage -proof metering device, which is provided with a detachable leakage -proof tank, so as to facilitate the leakage protection of the gas metering meter and the connection of the pipeline, and facilitate the disassembly and maintenance of the leakage part when leakage occurs, and the gas detection alarm is provided to detect the leakage, and the exhaust valve is provided to safely export the leaked gas, so as to prevent air pollution and safety hazards caused by leakage.

[0005] Therefore, the present application improves and solves the above problems, and finally proposes a technical scheme with reasonable design and effective improvement of the above defects.

[0006] The information disclosed in the background section of this document is intended only to enhance the understanding of the overall background of the present application, and should not be considered as acknowledging or implying in any form that this information constitutes prior art known to those skilled in the art. CONTENT OF THE UTILITY MODEL

[0007] The utility model provides a kind of leakage-proof metering device, solve the problem raised in the above background, detachable leakage-proof tank is provided, to facilitate leakage-proof protection to the connecting place of gas meter and pipeline, and it is convenient to split and maintain the leaking part when leakage occurs, leakage is detected by setting up gas detection alarm, exhaust valve body is provided, and the leaked gas can be safely exported, to prevent air pollution and security risks caused by leakage.

[0008] The utility model discloses a kind of leakage-proof metering device, and the technical problems are solved as follows: a kind of leakage-proof metering device, including gas meter, conveying pipeline, upper leakage-proof tank, lower leakage-proof tank, clamp, the gas meter and conveying pipeline are communicated by bolt, the upper leakage-proof tank and lower leakage-proof tank are connected by bolt, the upper leakage-proof tank is fixedly installed equipment tank, the equipment tank is fixedly installed exhaust pump and exhaust valve, the exhaust pump and exhaust valve are fixedly communicated, the upper leakage-proof tank and lower leakage-proof tank are fixedly installed with connecting strip, both sides connecting strip are connected by bolt, the upper leakage-proof tank is provided with observation window, the equipment tank is provided with maintenance box door, the upper leakage-proof tank is fixedly communicated with gas leakage alarm.

[0009] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0010] Further, the outer wall of the conveying pipeline is fixedly installed with a clamping plate, and the gap of the clamping plate on both sides is adapted to the width of the tank wall of the upper leakage-proof tank and the lower leakage-proof tank.

[0011] Further, the outer wall of the upper leakage-proof tank and the lower leakage-proof tank is provided with a pipe clamping groove corresponding to the conveying pipeline.

[0012] Further, a first protective rubber pad is installed at the gap of the upper leakage-proof tank and the lower leakage-proof tank.

[0013] Further, a second protective rubber pad is arranged at the gap between the gas meter and the conveying pipeline.

[0014] Further, one end of the exhaust pump is communicated with the exhaust valve, and the other end is communicated with the upper leakage-proof tank.

[0015] Further, a third protective rubber pad is arranged at the gap of the connecting strip on both sides.

[0016] Further, the gas meter is installed in the upper leakage-proof tank by the clamp.

[0017] The utility model provides a kind of leakage-proof metering device, with the following advantages:

[0018] 1. The gap between the gas meter and the conveying pipeline is provided with a second protective rubber pad, the gas meter and the conveying pipeline can be connected by bolts, so that the gas meter and the conveying pipeline can be stably connected, the upper anti-leakage tank and the lower anti-leakage tank are clamped on the outer walls of the two side conveying pipelines, the clamping groove of the upper anti-leakage tank can be clamped into the gap between the two side clamping plates, the two side connecting strips are connected by bolts, and the gap between the two side connecting strips is provided with a first protective rubber pad, so that the upper anti-leakage tank and the lower anti-leakage tank can be stably wrapped around the connection between the gas meter and the conveying pipeline, and the anti-leakage protection is carried out;

[0019] 2. When leakage occurs, the leaked gas can be intercepted in the tank composed of the upper anti-leakage tank and the lower anti-leakage tank, the gas leakage alarm can detect the space in the upper anti-leakage tank and the lower anti-leakage tank, and the alarm can be given when leakage occurs, the gas pipeline can be closed by the worker, the gas treatment pipeline is communicated with the exhaust valve, and the exhaust pump is started to direct the leaked gas in the upper anti-leakage tank and the lower anti-leakage tank out for treatment;

[0020] 3. The anti-leakage metering device is provided with a detachable anti-leakage tank, so that the connection between the gas meter and the pipeline can be protected against leakage, and the leakage part can be easily disassembled and repaired when leakage occurs, the gas detection alarm is provided to detect the leakage, and the exhaust valve body is provided to safely discharge the leaked gas, so as to prevent air pollution and safety hazards caused by leakage.

[0021] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and the content of the specification can be implemented, the following is a detailed description of the preferred embodiments of the present application combined with the drawings. The specific implementation of the present application is given in detail by the following embodiments and drawings. BRIEF DESCRIPTION OF DRAWINGS

[0022] The drawings described herein are used to provide a further understanding of the present application, and form a part of the present application, the schematic embodiments of the present application and the description are used to explain the present application, and do not constitute an improper limitation on the present application. In the drawings:

[0023] Figure 1 A structural schematic view of an anti-leakage metering device provided by an embodiment of the present application is shown in the drawings;

[0024] Figure 2 A front view of an anti-leakage metering device provided by an embodiment of the present application is shown in the drawings;

[0025] Figure 3A side view of the connection between the upper and lower leak-proof gas boxes in a leak-proof metering device provided in an embodiment of this utility model;

[0026] Figure 4 This is a schematic diagram of the conveying pipeline in a leak-proof metering device according to an embodiment of the present invention.

[0027] The attached diagram lists the components represented by each number as follows:

[0028] 1. Gas meter; 2. Delivery pipeline; 3. Upper leak-proof box; 4. Lower leak-proof box; 5. Equipment box; 6. Exhaust pump; 7. Exhaust valve; 8. Clamping plate; 9. Pipe clamping groove; 10. No. 1 protective rubber pad; 11. No. 2 protective rubber pad; 12. Connecting strip; 13. No. 3 protective rubber pad; 14. Observation window; 15. Inspection box door; 16. Clamp; 17. Gas leak alarm. Detailed Implementation

[0029] The following is in conjunction with the appendix Figures 1-4 The principles and features of this utility model are described below. The examples given are for illustrative purposes only and are not intended to limit the scope of this utility model. The utility model is described more specifically in the following paragraphs by way of example with reference to the accompanying drawings. The advantages and features of this utility model will become clearer from the following description and claims. It should be noted that the drawings are in a very simplified form and use non-precise proportions, and are only used to facilitate and clarify the illustration of the embodiments of this utility model.

[0030] It should be noted that when a component is described as "fixed to" another component, it can be directly on the other component or may have a component in between. When a component is considered "connected to" another component, it can be directly connected to the other component or may have a component in between. When a component is considered "set on" another component, it can be directly set on the other component or may have a component in between. The terms "vertical," "horizontal," "left," "right," and similar expressions used in this document are for illustrative purposes only.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention pertains. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.

[0032] like Figures 1-4As shown, a kind of gas leakage prevention metering device includes gas meter 1, conveying pipeline 2, upper gas leakage prevention tank 3, lower gas leakage prevention tank 4, clamp 16, gas meter 1 and conveying pipeline 2 are communicated by bolt, upper gas leakage prevention tank 3 and lower gas leakage prevention tank 4 are connected by bolt, upper gas leakage prevention tank 3 is fixedly installed with equipment tank 5, equipment tank 5 is fixedly installed with exhaust pump 6 and exhaust valve 7, exhaust pump 6 and exhaust valve 7 are fixedly communicated, upper gas leakage prevention tank 3 and lower gas leakage prevention tank 4 are fixedly installed with connecting strip 12, both sides connecting strip 12 are connected by bolt, upper gas leakage prevention tank 3 is provided with observation window 14, equipment tank 5 is provided with maintenance tank door 15, upper gas leakage prevention tank 3 is fixedly communicated with gas leakage alarm 17.

[0033] Preferably, the outer wall of conveying pipeline 2 is fixedly installed with clamping plate 8, and the gap of both sides clamping plate 8 is adapted to the width of the tank wall of upper gas leakage prevention tank 3 and lower gas leakage prevention tank 4.

[0034] Preferably, the outer wall of upper gas leakage prevention tank 3 and lower gas leakage prevention tank 4 is provided with clamping pipe slot 9 corresponding to conveying pipeline 2.

[0035] Preferably, a gap between upper gas leakage prevention tank 3 and lower gas leakage prevention tank 4 is installed with No. 1 protective rubber pad 10.

[0036] Preferably, a gap between gas meter 1 and conveying pipeline 2 is provided with No. 2 protective rubber pad 11.

[0037] Preferably, one end of exhaust pump 6 is communicated with exhaust valve 7, and the other end is communicated with upper gas leakage prevention tank 3.

[0038] Preferably, a gap between both sides connecting strip 12 is provided with No. 3 protective rubber pad 13.

[0039] Preferably, gas meter 1 is installed in upper gas leakage prevention tank 3 through clamp 16.

[0040] The specific working principle and use method of the utility model are: the gap between the gas meter 1 and the conveying pipeline 2 is provided with the second protective rubber pad 11, the gas meter 1 and the conveying pipeline 2 can be connected through bolts, so that the gas meter 1 and the conveying pipeline 2 can be stably connected, the upper anti-leakage tank 3 and the lower anti-leakage tank 4 are clamped on the outer wall of the two side conveying pipelines 2, the pipe clamping groove 9 of the upper anti-leakage tank 3 can be clamped into the gap between the two side clamping plates 8, the two side connecting strips 12 are connected through bolts, the gap between the two side connecting strips 12 and the gap between the upper anti-leakage tank 3 and the lower anti-leakage tank 4 are provided with the first protective rubber pad 10, so that the upper anti-leakage tank 3 and the lower anti-leakage tank 4 can be stably wrapped at the connecting place of the gas meter 1 and the conveying pipeline 2, and the anti-leakage protection is carried out, when leakage occurs, the leaked gas can be intercepted in the tank composed of the upper anti-leakage tank 3 and the lower anti-leakage tank 4, the gas leakage alarm 17 can detect the gas in the space in the upper anti-leakage tank 3 and the lower anti-leakage tank 4, and when leakage occurs, the alarm can be carried out, the staff can close the gas pipeline, the gas treatment pipeline is communicated with the exhaust valve 7, the exhaust pump 6 is started, and the leaked gas in the upper anti-leakage tank 3 and the lower anti-leakage tank 4 can be extracted and treated in a directional manner.

[0041] The above is only a preferred embodiment of the utility model, and does not limit the utility model in any form; ordinary technical personnel in the industry can implement the utility model according to the drawings and the above description; however, the equivalent changes, modifications and evolution of the above disclosed technical content without departing from the technical scheme of the utility model can be made by the technical personnel familiar with the professional field; meanwhile, any equivalent change, modification and evolution of the above embodiment according to the essential technology of the utility model are still within the protection scope of the technical scheme of the utility model.

Claims

1. A gas leakage-proof metering device, comprising a gas meter (1), a delivery pipeline (2), an upper gas leakage-proof tank (3), a lower gas leakage-proof tank (4), a clamp (16), characterized in that: The gas meter (1) and the conveying pipeline (2) are connected by bolts, the upper anti-leakage tank (3) and the lower anti-leakage tank (4) are connected by bolts, the upper anti-leakage tank (3) is fixedly installed with the equipment tank (5), the equipment tank (5) is fixedly installed with the exhaust pump (6) and the exhaust valve (7), the exhaust pump (6) and the exhaust valve (7) are fixedly connected, the upper anti-leakage tank (3) and the lower anti-leakage tank (4) are both fixedly installed with the connecting strip (12), the connecting strips (12) on both sides are connected by bolts, the upper anti-leakage tank (3) is provided with an observation window (14), the equipment tank (5) is provided with an inspection tank door (15), and the upper anti-leakage tank (3) is fixedly connected with a gas leakage alarm (17).

2. A leakproof metering device according to claim 1, wherein The outer wall of the conveying pipeline (2) is fixedly installed with a clamping plate (8), and the gap between the clamping plates (8) on both sides is matched with the width of the tank wall of the upper anti-leakage tank (3) and the lower anti-leakage tank (4).

3. A leakproof metering device according to claim 1, wherein The outer wall of the upper anti-leakage tank (3) and the lower anti-leakage tank (4) is provided with a pipe clamping groove (9) corresponding to the conveying pipeline (2).

4. A leakproof metering device as defined in claim 1, wherein A first protective rubber pad (10) is installed at the gap of the upper anti-leakage tank (3) and the lower anti-leakage tank (4).

5. A leakproof metering device as defined in claim 1, wherein, A second protective rubber pad (11) is arranged at the gap between the gas meter (1) and the conveying pipeline (2).

6. A leakproof metering device as defined in claim 1, wherein, One end of the exhaust pump (6) is communicated with the exhaust valve (7), and the other end is communicated with the upper anti-leakage tank (3).

7. A leakproof metering device as defined in claim 1, wherein A third protective rubber pad (13) is arranged at the gap of the connecting strips (12) on both sides.

8. A leakproof metering device as defined in claim 1, wherein, The gas meter (1) is installed in the upper anti-leakage tank (3) through a hoop (16).

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