CN210134079U - Emptying pipeline natural gas recovery device - Google Patents
Emptying pipeline natural gas recovery device Download PDFInfo
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- CN210134079U CN210134079U CN201921002023.0U CN201921002023U CN210134079U CN 210134079 U CN210134079 U CN 210134079U CN 201921002023 U CN201921002023 U CN 201921002023U CN 210134079 U CN210134079 U CN 210134079U
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- natural gas
- pipeline
- emptying pipeline
- pipe
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Abstract
The utility model discloses an emptying pipeline natural gas recovery device, which comprises an upright emptying pipeline, a recovery pipe and a gas storage tank, wherein the position of the emptying pipeline close to the tail end is provided with a gas inlet pipe communicated with a natural gas pipeline, the emptying pipeline is provided with a filter screen, a recovery port and a cut-off valve from bottom to top, and the filter screen is arranged above the joint of the emptying pipeline and the gas inlet pipe; the recovery pipe is hermetically connected with the recovery port, and the recovery pipe is communicated with the gas storage tank by the cooler and the compressor; the gas storage tank is provided with a pressure gauge. The utility model discloses can carry out the resource recovery with the natural gas recovery of unloading operation in the gas holder, it is extravagant to reduce the energy.
Description
Technical Field
The utility model belongs to the technical field of the natural gas line is supporting, concretely relates to vent line natural gas recovery unit.
Background
The emptying pipeline is an important corollary device for conveying natural gas, is used for diffusing the natural gas, and mainly occurs under the following two conditions: firstly, when the natural gas in the conveying pipeline is in overpressure, redundant gas needs to be diffused out for safety consideration, so that the pressure is reduced; secondly, when the pipeline equipment needs to be maintained, the natural gas in the pipeline needs to be emptied for maintenance. The natural gas in the emptying pipeline is directly discharged or combusted, the atmospheric environment is easily damaged by direct discharge, a plurality of dangerous factors are increased, the environment is easily polluted by direct combustion treatment, and on the other hand, resource waste is also caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a natural gas recovery device for an emptying pipeline, which aims at solving the problems of the prior art.
The utility model discloses a following technical scheme realizes:
a natural gas recovery device for an emptying pipeline comprises the emptying pipeline, a recovery pipe and a gas storage tank which are vertically arranged, wherein the position, close to the tail end, of the emptying pipeline is provided with a gas inlet pipe communicated with a natural gas transmission pipeline, the emptying pipeline is provided with a filter screen, a recovery port and a cut-off valve from bottom to top, and the filter screen is arranged above the joint of the emptying pipeline and the gas inlet pipe; the recovery pipe is hermetically connected with the recovery port, and the recovery pipe is communicated with the gas storage tank by the cooler and the compressor; the gas storage tank is provided with a pressure gauge.
Furthermore, a check valve is arranged on the recovery pipe to prevent backflow in the natural gas recovery process.
Furthermore, the emptying pipeline is of a structure with a narrow top and a wide bottom, and the inner diameter of the emptying pipeline is gradually reduced from bottom to top.
Furthermore, a drain pipe is arranged at the tail end of the emptying pipeline, and a control valve is arranged on the drain pipe.
Further, still including being used for carrying out the support frame that supports to unloading pipeline, the support frame includes bracing piece and the horizontally die-pin of a plurality of groups of putting to one side, and the bracing piece forms the trapezium structure of narrow width under with unloading pipeline, and the upper end of bracing piece is close to top fixed position with unloading pipeline and links to each other, the lower extreme links to each other with ground is fixed, and the one end of die-pin links to each other with the bracing piece is fixed, the other end links to each other with unloading pipeline's lateral wall is fixed.
Compared with the prior art, the utility model discloses beneficial effect includes:
(1) the utility model discloses can carry out the resource recovery with the natural gas recovery of unloading operation in the gas holder, it is extravagant to reduce the energy.
(2) The utility model discloses a recovery system can be with the junction of unloading pipeline for retrieving mouthful and recovery pipe flange joint for recovery system can and unloading pipeline between for can dismantling, be convenient for install and maintain.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Illustration of the drawings: 1-an emptying pipeline, 101-a filter screen, 102-a cut-off valve, 103-a sewage discharge pipe, 104-a control valve, 105-a recovery port, 2-an air inlet pipe, 3-a support frame, 301-a support rod, 302-a support rod, 4-a pressure gauge, 5-a recovery pipe, 501-a check valve, 6-a compressor, 7-a cooler and 8-an air storage tank.
In the description of the present invention, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, integrally connected; can be mechanical connection and electrical connection; may be directly connected, indirectly connected through intervening agents, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood to be specific to those skilled in the art.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, the natural gas recovery device for the emptying pipeline comprises an emptying pipeline 1, a recovery pipe 5 and a gas storage tank 8 which are vertically arranged, wherein an air inlet pipe 2 communicated with a natural gas transmission pipeline is arranged at a position, close to the tail end, of the emptying pipeline 1 and used for conveying natural gas to be emptied into the emptying pipeline 1, the emptying pipeline 1 is provided with a filter screen 101, a recovery port 105 and a cut-off valve 102 from bottom to top, the filter screen 101 is arranged above the joint of the emptying pipeline 1 and the air inlet pipe 2, and the filter screen 101 is used for intercepting particle impurities in the collected natural gas to prevent damage to subsequent recovery equipment; the recovery port 105 is communicated with the recovery pipe 5 to discharge natural gas to a subsequent unit, and natural gas recovery can be carried out on the emptying pipeline; the shut-off valve 102 is used to trap natural gas which can be vented or burned through the flare 1 when it is open and can enter a subsequent recovery unit through the recovery port 105 when it is closed.
The utility model discloses still include compressor 6 and cooler 7, recovery tube 5 through flange etc. and recovery mouth 105 sealing connection, cooler 7 and compressor 6 communicate recovery tube 5 and gas holder 8, the cooling via cooler 7 again of the pressure boost of compressor 6 earlier of natural gas, compressor 6's effect is for increasing gas pressure, cooler 7 is the temperature of natural gas for reducing the recovery, is convenient for get the recovery and the storage of natural gas. The gas storage tank 8 is provided with a pressure gauge 4 for monitoring the pressure in the tank in real time, so that the natural gas quantity collected in the tank can be conveniently determined. The compressor 6 and the cooler 7 are communicated with a pipeline through flanges.
The recovery pipe 5 is provided with a check valve 501 for preventing backflow in the natural gas recovery process.
The inner diameter of the emptying pipeline 1 is gradually reduced from bottom to top, namely the emptying pipeline 1 is of a structure with a narrow top and a wide bottom, and the natural gas can flow conveniently.
In order to discharge the particles trapped by the filter screen 101, a drain pipe 103 is arranged at the tail end of the emptying pipeline 1, and a control valve 104 is arranged on the drain pipe 103. The control valve 104 is closed in the recovery process, the sewage discharge pipe 103 is closed, the control valve 104 is opened after the recovery is finished, and the sewage discharge pipe 103 is opened to discharge pollutants.
Because the pipeline that empties 1 belongs to highly great pipeline, generally require more than four meters, in order to keep the stability of pipeline that empties 1, the utility model discloses still including being used for carrying out the support frame 3 that supports to pipeline that empties 1, support frame 3 includes bracing piece 301 and the horizontally die-pin 302 of a plurality of groups of putting to one side, bracing piece 301 forms narrow down wide trapezium structure with pipeline that empties 1, bracing piece 301's upper end and pipeline that empties 1 are close to top rigidity and link to each other, the lower extreme links to each other with ground is fixed, the one end of die-pin 302 links to each other with bracing piece 301 is fixed, the other end links to each other with pipeline that empti. The support frame 3 is convenient for the inspection, maintenance and the like of the emptying pipeline 1 besides fixing the emptying pipeline 1 and keeping the stability of the emptying pipeline.
The utility model discloses still included the actuating system and the control system of equipment such as shut-off valve 102, control valve 104, check valve 501, manometer 4, cooler 6, compressor 7, the structure of above-mentioned system, connected mode all adopted conventional design, the utility model discloses do not explain in detail.
The foregoing merely illustrates preferred embodiments of the present invention, which are described in considerable detail and detail, but are not to be construed as limiting the scope of the invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several changes, modifications and substitutions can be made, which are all within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.
Claims (5)
1. The utility model provides an unloading pipeline natural gas recovery unit, includes the unloading pipeline of erectting, recovery tube and gas holder, its characterized in that: an air inlet pipe communicated with a natural gas pipeline is arranged at the position, close to the tail end, of the emptying pipeline, the emptying pipeline is provided with a filter screen, a recovery port and a cut-off valve from bottom to top, and the filter screen is arranged above the joint of the emptying pipeline and the air inlet pipe; the recovery pipe is connected with the recovery port in a sealing mode, and the recovery pipe is communicated with the gas storage tank through the cooler and the compressor; and a pressure gauge is arranged on the gas storage tank.
2. The flare natural gas recovery apparatus of claim 1, wherein: and a check valve is arranged on the recovery pipe.
3. The flare natural gas recovery apparatus of claim 1, wherein: the emptying pipeline is of a structure with a narrow upper part and a wide lower part, and the inner diameter of the emptying pipeline is gradually reduced from bottom to top.
4. The flare natural gas recovery apparatus of claim 1, wherein: and a drain pipe is arranged at the tail end of the emptying pipeline, and a control valve is arranged on the drain pipe.
5. The flare natural gas recovery apparatus of claim 1, wherein: the support frame comprises an inclined support rod and a plurality of groups of horizontal support rods, the support rod is in a trapezoidal structure with a narrow upper part and a wide lower part, the upper end of the support rod is fixedly connected with the upper end of the emptying pipeline close to the top end, the lower end of the support rod is fixedly connected with the ground, one end of each support rod is fixedly connected with the support rod, and the other end of each support rod is fixedly connected with the side wall of the emptying pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002023.0U CN210134079U (en) | 2019-06-28 | 2019-06-28 | Emptying pipeline natural gas recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921002023.0U CN210134079U (en) | 2019-06-28 | 2019-06-28 | Emptying pipeline natural gas recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210134079U true CN210134079U (en) | 2020-03-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921002023.0U Active CN210134079U (en) | 2019-06-28 | 2019-06-28 | Emptying pipeline natural gas recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210134079U (en) |
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2019
- 2019-06-28 CN CN201921002023.0U patent/CN210134079U/en active Active
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