CN217542960U - Natural gas dew point detection device - Google Patents
Natural gas dew point detection device Download PDFInfo
- Publication number
- CN217542960U CN217542960U CN202220790909.1U CN202220790909U CN217542960U CN 217542960 U CN217542960 U CN 217542960U CN 202220790909 U CN202220790909 U CN 202220790909U CN 217542960 U CN217542960 U CN 217542960U
- Authority
- CN
- China
- Prior art keywords
- explosion
- proof
- air inlet
- dew point
- natural gas
- 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.)
- Active
Links
Images
Landscapes
- Investigating Or Analyzing Materials Using Thermal Means (AREA)
Abstract
The utility model relates to a natural gas dew point detection device, natural gas dew point detection device include the box and set up air inlet pipeline, air outlet pipeline, detection display module, explosion-proof electric heater and wiring subassembly in the box, the air inlet pipeline includes main air inlet path and two parallelly connected air inlet branch road, the main air inlet path concatenates air inlet switch valve and particulate filter, the low reaches intercommunication of particulate filter has membrane filter, the air inlet of two air inlet branch road communicates with membrane filter respectively, it has relief pressure valve, branch switch valve, air flowmeter to concatenate in proper order on each air inlet branch road; the detection display assembly comprises a dew point detector connected to one of the air inlet branches in series and a display connected with the dew point detector, the explosion-proof electric heater is used for heating the interior of the box body and is mounted at the bottom of the box body, and a temperature and humidity monitoring probe used for monitoring the temperature and humidity of the interior of the box body is arranged on the explosion-proof electric heater. The utility model discloses can accurate detection go out the dew point temperature of natural gas, guarantee the transport safety of natural gas.
Description
Technical Field
The utility model belongs to the technical field of gaseous dew point detection, concretely relates to natural gas dew point detection device.
Background
The natural gas is extracted from the stratum and contains saturated water, and in the transportation process, along with the temperature reduction, moisture is separated out from the natural gas to form liquid water, ice and natural gas solid hydrate, so that on one hand, the safe and economic operation of a gas collecting and conveying pipeline is reduced; meanwhile, the corrosion of the gas collecting and conveying pipeline is accelerated. The water dew point is an important technical index of natural gas, and in the process of natural gas transmission and distribution, once the temperature is lower than the dew point, liquid water is likely to cause the problems of pipeline water blockage, ice blockage, corrosion and the like, which causes great harm to the safe production and use of the natural gas. It is therefore particularly important to accurately measure the water dew point of natural gas.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model aims at providing a natural gas dew point detection device to accurate natural gas dew point temperature that detects guarantees the safety of natural gas transportation.
In order to achieve the above object, the utility model adopts the following technical scheme:
a natural gas dew point detection device comprising:
the box body is provided with a box door;
the air inlet pipeline comprises an air inlet main circuit and two parallel air inlet branch circuits, the air inlet main circuit is arranged in the box body and is connected with an air inlet switch valve and a particle filter in series, the downstream of the particle filter is communicated with a membrane filter, air inlets of the two air inlet branch circuits are respectively communicated with the membrane filter, and each air inlet branch circuit is sequentially connected with a pressure reducing valve, a branch switch valve and an air flow meter in series;
the air outlet pipeline is arranged in the box body and is communicated with the air outlet of each air inlet branch;
the detection display assembly comprises a dew point detector connected in series with one of the air inlet branches and a display connected with the dew point detector to display the detected dew point temperature of the gas, and a pressure gauge is arranged between an air outlet of the dew point detector and a pressure reducing valve connected with the air inlet branch of the dew point detector;
the explosion-proof electric heater is used for heating the inside of the box body and is arranged at the bottom in the box body, and a temperature and humidity monitoring probe used for monitoring the temperature and humidity in the box body is arranged on the explosion-proof electric heater;
the wiring assembly comprises an explosion-proof junction box and an explosion-proof switch, the explosion-proof junction box and the explosion-proof switch are mounted in the box body, the dew point detector and the explosion-proof electric heater are electrically connected with the explosion-proof junction box, and the explosion-proof switch is used for being connected with an external power supply.
Furthermore, the explosion-proof junction box is provided with two wire inlets and two wire outlets, and the two explosion-proof junction boxes are respectively a first explosion-proof junction box and a second explosion-proof junction box; the explosion-proof switches are two and are respectively a first explosion-proof switch and a second explosion-proof switch; one wire inlet of the first explosion-proof junction box is electrically connected with the dew point detector, the corresponding wire outlet of the first explosion-proof junction box is electrically connected with one wire inlet of the second explosion-proof junction box, the other wire inlet of the second explosion-proof junction box is electrically connected with the explosion-proof electric heater, and the two wire outlets of the second explosion-proof junction box are respectively electrically connected with the two explosion-proof switches.
Furthermore, the first explosion-proof junction box and the second explosion-proof junction box are spaced in the height direction of the box body, and the first explosion-proof switch and the second explosion-proof switch are arranged below the second explosion-proof junction box and are arranged side by side at intervals.
Furthermore, a transparent observation window is arranged at the position of the display on the box door.
Furthermore, two particle filters are arranged and are connected in series on the air inlet main path between the air inlet switch valve and the membrane filter, the particle filter close to the air inlet switch valve in the two particle filters is used for filtering solid particles in the natural gas, and the particle filter close to the membrane filter is used for filtering solid particles and an oil film in the natural gas.
Furthermore, a signal transmission interface used for being connected with a remote terminal is arranged on the display.
The utility model discloses a natural gas dew point detection device's beneficial effect:
1. the dew point temperature of the natural gas passing through the dew point analyzer can be monitored in real time, so that the moisture in the natural gas can be controlled in time before the natural gas is output;
2. particle impurities and oil films in the natural gas can be filtered through the two stages of particle filters and the two stages of membrane filters, so that the quality of the natural gas and the measurement accuracy of the dew point detector are ensured;
3. all pipelines and electric devices are integrated in one box body, so that the occupied space is small, and the cost is saved;
4. the operator can observe the numerical value on the display through the observation window, and can also connect the display with a remote terminal for remote monitoring, so that the dew point value of the natural gas can be monitored in real time;
5. when the dew point detector is maintained and repaired, the air inlet branch where the dew point detector is located can be closed, so that the natural gas passes through the other air inlet branch, and the conveying of the natural gas is not influenced.
Drawings
Fig. 1 is a schematic structural diagram of a box body in the natural gas dew point detection device of the present invention;
fig. 2 is a schematic diagram of the natural gas dew point detecting device of the present invention after the tank door is closed.
Description of reference numerals: 1-box body, 2-box door, 3-air inlet main path, 4-first air inlet branch path, 5-second air inlet branch path, 6-air inlet switch valve, 7-first particle filter, 8-second particle filter, 9-membrane filter, 10-pressure reducing valve I, 11-pressure reducing valve II, 12-air flow meter I, 13-air flow meter II, 14-pressure gauge, 15-branch switch valve I, 16-branch switch valve II, 17-dew point detector, 18-first explosion-proof junction box, 19-second explosion-proof junction box, 20-first explosion-proof switch, 21-second explosion-proof switch, 22-explosion-proof electric heater, 23-temperature and humidity monitoring probe, 24-display, 25-observation window and 26-air outlet pipeline.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Specific examples of the natural gas dew point detection device:
as shown in fig. 1 and 2, the natural gas dew point detecting device comprises a box body, and an air inlet pipeline, an air outlet pipeline 26, a detection display component, an explosion-proof electric heater 22 and a wiring component which are arranged in the box body.
Specifically, the air inlet pipeline comprises an air inlet main circuit 3, a first air inlet branch circuit 4 and a second air inlet branch circuit 5 which are arranged in parallel in the box body. Wherein, the air inlet main path 3 is connected with an air inlet switch valve 6, a first particle filter 7, a second particle filter 8 and a membrane filter 9 in series, and the air inlets of the first air inlet branch 4 and the second air inlet branch 5 are respectively communicated with the membrane filter 9. The first particulate filter 7 is a conventional filter for preliminary filtering solid particles in the natural gas; the second particle filter 8 is a T-shaped particle filter, and can further filter solid particles in the natural gas and preliminarily filter oil films carried in the natural gas; the membrane filter 9 filters the oil film in the natural gas more finely. The membrane filter 9 is provided with three interfaces which are respectively communicated with the air inlet main circuit and the two air inlet branch circuits. In this embodiment, the first particulate filter 7, the second particulate filter 8, and the membrane filter 9 are all related art.
The first air inlet branch 4 is sequentially connected with a first reducing valve 10, a first branch switching valve 15 and a first air flow meter 12 in series; the second air inlet branch is connected with a pressure gauge 14, a second pressure reducing valve 11, a second branch switch valve 16 and a second air flow meter 13 in series. The first pressure reducing valve 10 and the second pressure reducing valve 11 are respectively used for adjusting gas pressure of the two gas inlet branches so that natural gas can smoothly enter the gas outlet pipeline, the first air flow meter 12 and the first air flow meter 13 are respectively used for detecting gas flow of the two gas inlet branches, and the first branch switch valve 15 and the second branch switch valve 16 are respectively used for controlling on-off of the two gas inlet branches. The pressure gauge 14 is used for displaying the inlet pressure, and the dial plates on the two pressure reducing valves are used for displaying the pressure of the gas after pressure reduction. Each meter on the second intake branch 5 is located above each meter on the first intake branch 4.
The detection display assembly comprises a dew point detector 17 connected in series with the second air inlet branch and a display 24 connected with the dew point detector 17, and the display 24 can display the detected dew point temperature of the gas. For the convenience of the staff, a transparent viewing window 25 is also arranged on the door 2 of the box body 1 at the position of the display 24. Considering that the worker can not stay in front of the detection device all the time, the display 24 in this embodiment is further provided with a signal transmission interface for connecting with a remote terminal, so that the worker can remotely monitor the dew point value of the natural gas. In this embodiment, the dew point detector is a prior art, and is a FAS-W VYMPEL cold mirror dew point instrument, and the detailed structure thereof is not described herein again.
The explosion-proof electric heater 22 is used for heating the inside of the box body 1 and is arranged at the bottom in the box body 1. The explosion-proof electric heater 22 is a conventional one, and has a temperature and humidity monitoring probe 23 thereon for monitoring the temperature and humidity in the box body 1, and a controller therein in signal connection with the temperature and humidity monitoring probe 23. When the temperature and humidity monitoring probe 23 monitors that the humidity in the box body exceeds a set value or the temperature in the box body 1 is lower than the set value, the controller controls the heating assembly in the explosion-proof electric heater 22 to heat the interior of the box body 1 so as to keep the interior of the box body 1 dry.
The wiring assembly includes first and second explosion- proof junction boxes 18 and 19 installed in the box body 1 and first and second explosion- proof switches 20 and 21 installed in the box body 1. The first explosion-proof junction box 18 and the second explosion-proof junction box 19 are spaced in the height direction of the box body 1, and the first explosion-proof switch 20 and the second explosion-proof switch 21 are arranged below the second explosion-proof junction box 19 and are arranged side by side at intervals. The first explosion-proof junction box 18 and the second explosion-proof junction box 19 are respectively provided with two wire inlets and two wire outlets. One wire inlet of the first explosion-proof junction box 18 is electrically connected with the dew point detector 17, the corresponding wire outlet of the first explosion-proof junction box 18 is electrically connected with one wire inlet of the second explosion-proof junction box 19, the other wire inlet of the second explosion-proof junction box 19 is electrically connected with the explosion-proof electric heater 22, and the two wire outlets of the second explosion-proof junction box 19 are respectively electrically connected with the two explosion-proof switches.
The air outlet pipeline is arranged in the box body and is integrally positioned on the left side of the box body, and air outlets of the first air inlet branch and the second air inlet branch are communicated with the air outlet pipeline.
The utility model discloses when specifically using, the natural gas enters into first branch road and the second branch road of admitting air through the main road that admits air after tertiary filtration and carries to detect out dew point temperature through the dew point detector in the second branch road of admitting air, enter into at last in the pipeline of giving vent to anger. In the transportation process, explosion-proof electric heater can select to heat the drying to the box according to the humiture in the box, and two branch circuits that admit air mutually independent do not influence each other, can close this dew point detection appearance place branch circuit when maintaining dew point detection appearance, do not influence the transport of natural gas.
The utility model discloses a natural gas dew point detection device can accurately detect out the dew point temperature of natural gas to desorption moisture wherein before the natural gas is defeated outward guarantees the transport safety of natural gas.
The above-described embodiments of the present invention do not limit the scope of the present invention. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. A natural gas dew point detection device, comprising:
the box body is provided with a box door;
the air inlet pipeline comprises an air inlet main circuit and two parallel air inlet branch circuits, the air inlet main circuit is arranged in the box body and is connected with an air inlet switch valve and a particle filter in series, the downstream of the particle filter is communicated with a membrane filter, air inlets of the two air inlet branch circuits are respectively communicated with the membrane filter, and each air inlet branch circuit is sequentially connected with a pressure reducing valve, a branch switch valve and an air flow meter in series;
the air outlet pipeline is arranged in the box body and is communicated with the air outlet of each air inlet branch;
the detection display assembly comprises a dew point detector connected in series with one of the air inlet branches and a display connected with the dew point detector to display the detected dew point temperature of the gas, and a pressure gauge is arranged between an air outlet of the dew point detector and a pressure reducing valve connected with the air inlet branch of the dew point detector;
the explosion-proof electric heater is used for heating the inside of the box body and is arranged at the bottom in the box body, and the explosion-proof electric heater is provided with a temperature and humidity monitoring probe for monitoring the temperature and humidity in the box body;
the wiring assembly comprises an explosion-proof junction box and an explosion-proof switch, the explosion-proof junction box and the explosion-proof switch are mounted in the box body, the dew point detector and the explosion-proof electric heater are electrically connected with the explosion-proof junction box, and the explosion-proof switch is used for being connected with an external power supply.
2. The natural gas dew point detecting device as claimed in claim 1, wherein the explosion-proof junction box has two wire inlets and two wire outlets, and the explosion-proof junction box is provided with two, namely a first explosion-proof junction box and a second explosion-proof junction box; the explosion-proof switches are two and are respectively a first explosion-proof switch and a second explosion-proof switch; one wire inlet of the first explosion-proof junction box is electrically connected with the dew point detector, the corresponding wire outlet of the first explosion-proof junction box is electrically connected with one wire inlet of the second explosion-proof junction box, the other wire inlet of the second explosion-proof junction box is electrically connected with the explosion-proof electric heater, and the two wire outlets of the second explosion-proof junction box are respectively electrically connected with the two explosion-proof switches.
3. The natural gas dew point detecting device of claim 2, wherein the first explosion-proof junction box and the second explosion-proof junction box are spaced in the height direction of the box body, and the first explosion-proof switch and the second explosion-proof switch are arranged below the second explosion-proof junction box and are arranged in parallel at intervals.
4. The natural gas dew point detecting device of any one of claims 1 to 3, wherein a transparent viewing window is provided on the box door at the position of the display.
5. The natural gas dew point detecting device as claimed in any one of claims 1 to 3, wherein two particulate filters are provided, each of the two particulate filters being connected in series to the intake main passage between the intake switching valve and the membrane filter, the particulate filter of the two particulate filters being adjacent to the intake switching valve for filtering solid particles in the natural gas, and the particulate filter of the two particulate filters being adjacent to the membrane filter for filtering solid particles and an oil film in the natural gas.
6. The natural gas dew point detecting device as claimed in any one of claims 1 to 3, wherein the display is provided with a signal transmission interface for connecting with a remote terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220790909.1U CN217542960U (en) | 2022-04-07 | 2022-04-07 | Natural gas dew point detection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220790909.1U CN217542960U (en) | 2022-04-07 | 2022-04-07 | Natural gas dew point detection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217542960U true CN217542960U (en) | 2022-10-04 |
Family
ID=83429595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220790909.1U Active CN217542960U (en) | 2022-04-07 | 2022-04-07 | Natural gas dew point detection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217542960U (en) |
-
2022
- 2022-04-07 CN CN202220790909.1U patent/CN217542960U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206020318U (en) | A kind of gas dew point analytical equipment | |
| WO2020248526A1 (en) | Exhaust gas test device for fuel cell vehicle | |
| CN217542960U (en) | Natural gas dew point detection device | |
| CN204882516U (en) | Novel gaseous detecting system of formula of breathing in | |
| CN107843694A (en) | Multistage cascade gas circuit system with filtering capability | |
| CN214702702U (en) | Air flow test bed for gas turbine component | |
| CN103308576A (en) | Sulfur hexafluoride decomposer tester | |
| CN202149889U (en) | Intelligent resistance-capacitance type dew point instrument with high precision | |
| CN209043848U (en) | A kind of analysis of total sulfur system | |
| CN2676159Y (en) | Weighing type oil well meter | |
| CN202166609U (en) | Ultraviolet difference smoke density monitoring system using hot wet extraction method | |
| CN201600238U (en) | Balanced valve test device | |
| CN215876659U (en) | A gas pretreatment device | |
| CN211741144U (en) | Radioactive gas analysis integrated device | |
| CN114778398A (en) | Dust filtration testing device for automobile air conditioner filter element and dust recovery method | |
| CN212900931U (en) | Monitoring control system for gas supply station | |
| CN217846059U (en) | Online hydrogen sulfide analysis device | |
| CN221038801U (en) | Natural gas water dew point detecting system | |
| CN209787698U (en) | Detectable energy storage equipment box | |
| CN218411284U (en) | Pressure dew point alarm device | |
| CN204815989U (en) | Filter device with interior profit impurity of sampling enclosed bus air supply | |
| CN207729245U (en) | A kind of natural gas transportation device | |
| CN208254545U (en) | A kind of gas pressure adjusting metering cabinet | |
| CN221238927U (en) | Gas distribution environment calibration system | |
| CN222014045U (en) | Micro-water density on-line monitoring device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |