CN210739999U - Automatic valve closing device for natural gas production pipeline - Google Patents
Automatic valve closing device for natural gas production pipeline Download PDFInfo
- Publication number
- CN210739999U CN210739999U CN201921952417.2U CN201921952417U CN210739999U CN 210739999 U CN210739999 U CN 210739999U CN 201921952417 U CN201921952417 U CN 201921952417U CN 210739999 U CN210739999 U CN 210739999U
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- Prior art keywords
- pipeline
- natural gas
- moisture absorption
- valve
- bolt
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- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 title claims abstract description 136
- 239000003345 natural gas Substances 0.000 title claims abstract description 68
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- 238000010521 absorption reaction Methods 0.000 claims abstract description 51
- 239000007789 gas Substances 0.000 claims abstract description 26
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 4
- 230000007797 corrosion Effects 0.000 claims abstract description 4
- 238000005260 corrosion Methods 0.000 claims abstract description 4
- 239000000741 silica gel Substances 0.000 claims abstract description 4
- 229910002027 silica gel Inorganic materials 0.000 claims abstract description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 16
- 229910052799 carbon Inorganic materials 0.000 claims description 14
- 238000001514 detection method Methods 0.000 claims description 7
- 230000000903 blocking effect Effects 0.000 claims description 3
- 210000003437 trachea Anatomy 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 230000000149 penetrating effect Effects 0.000 claims 1
- 238000000926 separation method Methods 0.000 abstract description 8
- 238000005253 cladding Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 238000009833 condensation Methods 0.000 description 3
- 230000005494 condensation Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002567 autonomic effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000007791 dehumidification Methods 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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Abstract
The utility model relates to a natural gas production pipeline automatic valve closing device, including first pipeline, second pipeline, electronic natural gas valve and moisture absorption case, first pipeline one side is equipped with the second pipeline, there is electronic natural gas valve through flange joint between first pipeline and the second pipeline, be equipped with the separation blade in the first pipeline, first pipeline top welds and is equipped with the turn trough, the slot has been seted up at the top in the first pipeline, install the cover through the bearing in the turn trough, slot and cover fixed connection are worn to establish on the separation blade top, the button is installed through the bolt to one side in the slot, the button periphery is sealed in first pipeline through corrosion-resistant silica gel cover cladding, manual pneumatic valve has been cup jointed through the flange on the second pipeline, the moisture absorption case is installed through the bolt in manual pneumatic valve top. The automatic valve closing work is realized under the condition of accidental gas leakage; the moisture in the transported natural gas can be effectively reduced, and the purity of the natural gas in use can be improved.
Description
Technical Field
The utility model relates to a natural gas production technical field, concretely relates to natural gas production pipeline automatic valve closing device.
Background
In the natural gas production air feed operation, because of the pipeline lays a large amount, when the gas leakage phenomenon appears, the difficult investigation one by one of personnel is maintained, lacks the part of good autonomic closed valve, and can't realize carrying out supplementary dehumidification work to the natural gas in the natural gas is carried for the moisture that the natural gas of carrying out mix with easily freezes after the condensation is produced to outdoor low temperature environment, influences gaseous normal transport.
Patent No. CN201821909096.3 discloses a gas leakage detection device for natural gas pipeline transportation, in which electromagnetic control valves are arranged inside a first gas pipeline and a second gas pipeline at positions close to a connector head; the natural gas detector is arranged on the sealing connecting ring. The utility model has the advantages that: the natural gas pipeline can be detected in all directions, so that the detection position is more accurate, and a user can conveniently and accurately process the gas leakage position in time; the leakage phenomenon of the natural gas at the joint can be prevented, and when the leakage phenomenon of the natural gas in the pipeline is detected, the electromagnetic control valve is closed in time, so that the leakage of the natural gas is prevented.
The natural gas pipeline conveying air leakage detection device has the following defects: 1. only leakage detection work can be realized, and automatic valve closing work cannot be realized; 2. and no good auxiliary moisture absorption part is arranged, so that moisture mixed with the conveyed natural gas is easy to freeze after condensation is generated in an outdoor low-temperature environment, and normal conveying of the gas is influenced. Therefore, an automatic valve closing device for a natural gas production pipeline is provided.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a main aim at overcomes at least a defect among the prior art, provides a natural gas production pipeline automatic valve closing device.
In order to realize the technical scheme, the utility model discloses a following technical scheme:
the utility model provides a natural gas production pipeline automatic valve closing device, includes first pipeline, second pipeline, electronic natural gas valve and moisture absorption case, first pipeline one side is equipped with the second pipeline, there is electronic natural gas valve through flange joint between first pipeline and the second pipeline, be equipped with the separation blade in the first pipeline, first pipeline top welds and is equipped with the turn trough, the slot has been seted up at the top in the first pipeline, install the cover through the bearing in the turn trough, slot and cover fixed connection are worn to establish on the separation blade top, one side installs the button through the bolt in the slot, the button periphery is sealed in first pipeline through corrosion-resistant silica gel cover cladding, manual pneumatic valve has been cup jointed through the flange on the second pipeline, moisture absorption case is installed through the bolt in manual pneumatic valve top.
Further, the air inlet has been seted up to moisture absorption case one end, the gas outlet has been seted up to the moisture absorption case other end, air inlet and gas outlet are connected with the end of giving vent to anger through the inlet end of trachea with manual pneumatic valve respectively, install small-size pneumatic valve on air inlet and the gas outlet respectively, the incasement interpolation of moisture absorption is equipped with the active carbon moisture absorption board, the top of the case of absorbing moisture is twisted tightly through the bolt and is covered and be equipped with the case lid, it is equipped with sealed the pad to fill up between case lid and the moisture absorption case, run through on the active carbon moisture absorption board and lay the gas pocket.
Further, humidity transducer is installed through the bolt to moisture absorption case one side, humidity transducer's detection end sets up in the moisture absorption incasement.
Furthermore, a buzzing alarm is installed on one side of the rotary groove through a bolt, and the output end of the button is electrically connected with the input ends of the electric natural gas valve and the buzzing alarm through conducting wires.
Compared with the prior art, the utility model discloses following beneficial effect has:
1. in the normal air supply process, the natural gas conveying pipeline generates abnormal air leakage, the gas flow is increased, the opening angle of the current blocking piece is larger than the original flowing angle due to the increase of the air flow pressure, the button is pressed to be pressed, the button can trigger the electric natural gas valve and the buzzer alarm to be opened, the electric natural gas valve is closed, the buzzer alarm carries out alarm work, workers can know emergency repair measures in time, and the automatic valve closing work under the condition of accidental air leakage is realized;
2. the inlet end and the end of giving vent to anger through air inlet and gas outlet and manual pneumatic valve are connected, and when personnel closed manual pneumatic valve, the natural gas will be through the moisture absorption incasement after to the natural gas conveying line exhaust, the active carbon moisture absorption board can carry out moisture absorption work, can effectively reduce the moisture in the natural gas of carrying, improve the purity that the natural gas used, reduce the production of condensation, and when changing the active carbon moisture absorption board, personnel close the small-size pneumatic valve on air inlet and the gas outlet, and open manual pneumatic valve, make the natural gas by manual pneumatic valve to the natural gas conveying line exhaust, personnel can open the case lid and realize changing the active carbon moisture absorption board.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is the utility model discloses a natural gas production pipeline automatic valve closing device's first pipeline and second pipeline's cross-sectional structure sketch map.
Fig. 2 is the utility model relates to a natural gas production pipeline automatic valve closing device's moisture absorption box cross-sectional structure schematic diagram.
Fig. 3 is the utility model discloses a separation blade main view structure schematic diagram of natural gas production pipeline automatic valve closing device.
Fig. 4 is the utility model relates to a natural gas production pipeline automatic valve closing device's rotary trough structure schematic diagram.
Fig. 5 is the circuit connection schematic diagram of the automatic valve closing device for natural gas production pipeline of the utility model.
In the figure: 1. a first conduit; 2. a second conduit; 3. an electric natural gas valve; 4. a manual air valve; 5. a moisture absorption box; 6. an air inlet; 7. an air outlet; 8. a baffle plate; 9. a slot; 10. rotating the groove; 11. rotating the sleeve; 12. a button; 13. a buzzer alarm; 15. a box cover; 16. an active carbon moisture absorption plate; 17. a humidity sensor.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.
As shown in fig. 1-5, an automatic valve closing device for a natural gas production pipeline comprises a first pipeline 1, a second pipeline 2, an electric natural gas valve 3 and a moisture absorption tank 5, a second pipeline 2 is arranged on one side of the first pipeline 1, an electric natural gas valve 3 is connected between the first pipeline 1 and the second pipeline 2 through a flange, a baffle plate 8 is arranged in the first pipeline 1, a rotary groove 10 is welded at the top of the first pipeline 1, the top of the first pipeline 1 is provided with a slot 9, a rotating sleeve 11 is arranged in the rotating groove 10 through a bearing, the top end of the baffle 8 is penetrated with a slot 9 and fixedly connected with a rotating sleeve 11, one side in the slot 9 is provided with a button 12 through a bolt, the periphery of the button 12 is sealed in the first pipeline 1 through a corrosion-resistant silica gel sleeve in a coating mode, the second pipeline 2 is sleeved with the manual air valve 4 through a flange, and the top of the manual air valve 4 is provided with the moisture absorption box 5 through a bolt.
Wherein, air inlet 6 has been seted up to 5 one ends of moisture absorption case, gas outlet 7 has been seted up to the 5 other ends of moisture absorption case, air inlet 6 and gas outlet 7 are connected with the end of giving vent to anger through the inlet end of trachea with manual air valve 4 respectively, install small-size pneumatic valve on air inlet 6 and the gas outlet 7 respectively, the 5 interpolations of moisture absorption case are equipped with active carbon moisture absorption plate 16, 5 tops of moisture absorption case are turned round tight through the bolt and are covered and be equipped with case lid 15, it is equipped with sealed the pad to fill up between case lid 15 and the moisture absorption case 5, run through on the active carbon moisture absorption plate 16 and lay the gas pocket.
In this embodiment, as shown in fig. 2, the air holes are formed through the activated carbon moisture absorption plate 16 to facilitate air flow.
Wherein, humidity transducer 17 is installed through the bolt in moisture absorption case 5 one side, humidity transducer 17's detection end sets up in the moisture absorption case 5.
In this embodiment, as shown in fig. 2, the humidity sensor 17 facilitates the personnel to know the humidity inside the moisture absorption box 5 in time.
Wherein, a buzzer alarm 13 is arranged on one side of the rotary groove 10 through a bolt, and the output end of the button 12 is electrically connected with the input ends of the electric natural gas valve 3 and the buzzer alarm 13 through a conducting wire.
It should be noted that, the utility model relates to a natural gas production pipeline automatic valve closing device, in operation, personnel cup joint the inlet end of the first pipeline 1 with the exhaust end of the natural gas supply pipeline, connect the exhaust end of the second pipeline 2 with the inlet end of the natural gas conveying pipeline, so that the natural gas can pass through the first pipeline 1 and the second pipeline 2 in sequence during transmission, the separation blade 8 in the first pipeline 1 can be effectively pushed open by the air flow during natural gas conveying, and personnel select the separation blade 8 with the corresponding specified size according to the conventional conveying size of the air flow, so that the natural gas can pass through smoothly, if in the normal air supply process, the natural gas conveying pipeline generates abnormal air leakage, the gas flow increases, so that the current separation blade 8 is increased due to the increase of the air flow pressure, so that the opening angle thereof exceeds the original circulating angle, and then realize the top pressing of the button 12, so that the button 12 can trigger the electric natural gas valve 3 and the buzzer 13 to open, so that the electric natural gas valve 3 performs valve closing work and the buzzer alarm 13 performs alarm work, which is helpful for the working personnel to know the emergency repair measures in time, through the use of the active carbon moisture absorption plate 16 in the moisture absorption box 5, a person can be connected with the air inlet end and the air outlet end of the manual air valve 4 through the air inlet 6 and the air outlet 7, when the manual air valve 4 is closed by a person, the natural gas passes through the moisture absorption box 5 and then is discharged to the natural gas conveying pipeline, the active carbon moisture absorption plate 16 can absorb moisture, the moisture in the transported natural gas can be effectively reduced, the purity of the natural gas can be improved, and when the active carbon moisture absorption plate 16 is replaced, personnel close the small-sized gas valves on the gas inlet 6 and the gas outlet 7, and the manual air valve 4 is opened, so that the natural gas is discharged and delivered to the natural gas conveying pipeline through the manual air valve 4, and a person can open the box cover 15 to replace the active carbon moisture absorption plate 16.
The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (4)
1. The automatic valve closing device for the natural gas production pipeline comprises a first pipeline (1), a second pipeline (2), an electric natural gas valve (3) and a moisture absorption box (5), and is characterized in that the second pipeline (2) is arranged on one side of the first pipeline (1), the electric natural gas valve (3) is connected between the first pipeline (1) and the second pipeline (2) through a flange, a blocking piece (8) is arranged in the first pipeline (1), a rotating groove (10) is welded on the top of the first pipeline (1), a slot (9) is formed in the top of the first pipeline (1), a rotating sleeve (11) is installed in the rotating groove (10) through a bearing, the slot (9) is fixedly connected with the rotating sleeve (11) in a penetrating mode at the top end of the blocking piece (8), a button (12) is installed on one side of the slot (9) through a bolt, and the periphery of the button (12) is sealed in the first pipeline (1) through a corrosion-resistant silica gel sleeve coating mode, the second pipeline (2) is sleeved with a manual air valve (4) through a flange, and the top of the manual air valve (4) is provided with a moisture absorption box (5) through a bolt.
2. The automatic valve closing device for the natural gas production pipeline according to claim 1, characterized in that: air inlet (6) have been seted up to moisture absorption case (5) one end, gas outlet (7) have been seted up to the moisture absorption case (5) other end, air inlet (6) and gas outlet (7) are connected with the end of giving vent to anger through the inlet end of trachea with manual pneumatic valve (4) respectively, install small-size pneumatic valve on air inlet (6) and gas outlet (7) respectively, the interpolation of moisture absorption case (5) is equipped with active carbon moisture absorption board (16), it is equipped with case lid (15) to turn round tight the lid through the bolt at moisture absorption case (5) top, it is equipped with sealed the pad to fill up between case lid (15) and moisture absorption case (5), run through on active carbon moisture absorption board (16) and lay the gas pocket.
3. The automatic valve closing device for the natural gas production pipeline according to claim 1, characterized in that: humidity transducer (17) are installed through the bolt to moisture absorption case (5) one side, the detection end of humidity transducer (17) sets up in moisture absorption case (5).
4. The automatic valve closing device for the natural gas production pipeline according to claim 1, characterized in that: a buzzer alarm (13) is installed on one side of the rotary groove (10) through a bolt, and the output end of the button (12) is electrically connected with the input ends of the electric natural gas valve (3) and the buzzer alarm (13) through conducting wires.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921952417.2U CN210739999U (en) | 2019-11-13 | 2019-11-13 | Automatic valve closing device for natural gas production pipeline |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201921952417.2U CN210739999U (en) | 2019-11-13 | 2019-11-13 | Automatic valve closing device for natural gas production pipeline |
Publications (1)
Publication Number | Publication Date |
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CN210739999U true CN210739999U (en) | 2020-06-12 |
Family
ID=70984360
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201921952417.2U Expired - Fee Related CN210739999U (en) | 2019-11-13 | 2019-11-13 | Automatic valve closing device for natural gas production pipeline |
Country Status (1)
Country | Link |
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CN (1) | CN210739999U (en) |
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2019
- 2019-11-13 CN CN201921952417.2U patent/CN210739999U/en not_active Expired - Fee Related
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200612 |