CN209432735U - A kind of online water analysis system - Google Patents
A kind of online water analysis system Download PDFInfo
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- CN209432735U CN209432735U CN201821837267.6U CN201821837267U CN209432735U CN 209432735 U CN209432735 U CN 209432735U CN 201821837267 U CN201821837267 U CN 201821837267U CN 209432735 U CN209432735 U CN 209432735U
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Abstract
The utility model discloses a kind of online water analysis system, it is characterized in that, it includes one and separates from process gas pipeline to be analyzed and be used to measure the branch pipe of moisture content in gas, the root valve for ending gas is successively arranged along gas flow direction on branch pipe, for preventing the attemperator that water vapour condenses in gas, for reducing the pressure reducing valve of gas pressure, the electric tracing module for maintaining pipeline temperature degree constant for adjusting heating power according to temperature sensor detected temperature feedback, for ending the sensor inlet shut-off valve of gas, sensor, for being truncated and the sensor outlet shut-off valve of downstream connection, the transmitter that result is sent to central control room is connect and will test with sensor.The utility model can guarantee the accuracy of detection, while realize the measurement of high-content moisture.
Description
Technical field
The utility model belongs to the field of water vapour content in measurement gas, and in particular to a kind of online water analysis system
System.
Background technique
" energy technology revolution innovation action plan " (2016-2030 that National Development and Reform Commission, National Energy Board issue
Year) using Coal Clean efficiently using produce natural gas technology as key research projects, explicitly pointing out the year two thousand twenty innovative goals is
" the autonomous methanation technology exploitation of 1,000,000,000 sides grade and Industrial demonstration are completed, realizes upgrading and the technology collection of coal chemicals technology
At ".Energy resource structure feature of the China based on coal determines that coal gas will be moved forward steadily as the supplement of conventional gas source.
In natural gas from coal technique, the water content in coal base gas plays very crucial effect, and hypervolia can hinder
Hinder the progress of reaction, water content will lead to gas component very little and carbon distribution reaction occurs on a catalyst, serious reduction catalyst
Service life.Therefore, the water content in reaction gas becomes an important indicator in process control procedure, currently, not having
For the online test method of high-content moisture content in high temperature and high pressure gas.
Currently, it is relatively more for the trace moisture analysis method in the gases such as natural gas, mainly there are Karl_Fischer method, dew point
Method etc., measurement range mg/m3Rank；The measurement of moisture mostly uses capacitance-resistance method, but its application pressure in blast furnace gas or flue gas
Power is all lower, generally all in several kpa.
For high temperature, high pressure, high humidity gas, gravimetric method can be used, after gas is drawn, condensed, circulation is passed through
Gas volume and condensed water weight calculate water content in process gas, and the method, which has the disadvantage that, obtains a result more roughly, no
Moisture situation of change in energy real time reaction process gas.
Utility model content
The purpose of this utility model is to provide a kind of the online of high-temperature and pressure pipeline gas higher moisture content water analysis
Analysis system.The analysis system can measure the water (30%) of high-content in process gas.Whole system include filtering, decompression,
Heat preservation, heat tracing, sensor, transducer portion.
A kind of online water analysis system of the utility model comprising one separates simultaneously from process gas pipeline to be analyzed
For measuring the branch pipe of moisture content in gas, the root for ending gas is successively arranged on branch pipe along gas flow direction
Valve, the attemperator for preventing water vapour in gas from condensing, for reducing the pressure reducing valve of gas pressure, for being sensed according to temperature
Device detected temperature feedback adjusts heating power and the electric tracing module, the sensing for ending gas that maintain pipeline temperature degree constant
Device inlet stop valve, sensor, for be truncated with the sensor outlet shut-off valve of downstream connection, further include being connect simultaneously with sensor
It will test the transmitter that result is sent to central control room.
Further, it is equipped with the filter for filtering solid contaminants between root valve and attemperator, effectively prevent passing
The damage of sensor.
Further, the pipeline between pressure reducing valve and electric tracing module is equipped with the first pressure gauge of measurement gas pressure,
Pipeline between sensor and sensor outlet shut-off valve is equipped with the second pressure gauge of measurement output gas pressure.
Further, the sensor inlet shut-off valve, sensor, sensor outlet shut-off valve and second pressure gauge composition
It tests and analyzes module and is located in insulating box, be equipped in the insulating box according in sensor detected temperature feedback regulating thermostatic case
Temperature and prevent vapor be precipitated electric heating module.
Further, the insulating box is the high-temperature cabinet that temperature is in 150-180 DEG C.
Further, the insulating box and transmitter are located in analysis cabinet.
Further, the root valve is high-heat and high-pressure valve；Pressure reducing valve is high temperature resistant pressure reducing valve, will be propped up by pressure reducing valve
High-pressure gas pressure in pipe reduces, and prevents instantaneous pressure from damaging sensor；Sensor outlet shut-off valve is needle-valve, can be used for adjusting
Section tests and analyzes the pressure of module, and the connection with downstream is disconnected when sensor is overhauled.
Further, the sensor includes temperature sensor and humidity sensor, and humidity sensor probe is resistance-capacitance type
Probe, measurable moisture content range be 0-40%, e.g., about 30%.
The power of the electric tracing module is adjusted according to the feedback of sensor, and the temperature of pipeline gas can be maintained permanent
Fixed, after preventing the high temperature and high pressure gas in branch pipe cooling, water vapour is condensed from process gas, and temperature is constant to be conducive to detection data
Accuracy.
It further, is that process gas line tube to be analyzed is straight from the branch pipe diameter that process gas pipeline to be analyzed separates
The 1/10-1/15 of diameter, e.g., about 1/12.
Further, the outlet end of the branch pipe after sensor outlet shut-off valve with downstream process pipeline or lp venting
Pipeline is connected.
Further, attemperator is the insulating layer for wrapping up branch pipe, and after insulating layer prevents high temperature and high pressure gas cooling, water steams
Vapour is condensed from process gas, causes detection misalignment.
The utility model has the beneficial effects that the online water analysis system of the utility model includes preventing vapor in gas
Insulating layer, electric tracing and the high-temperature cabinet of condensation guarantee the accuracy of detection, while detector is popped one's head in using capacitance-resistance, can be real
The measurement of existing high-content moisture.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of online water analysis system of the utility model.
Description of symbols:
Branch pipe 1, attemperator 2, root valve V1, pressure reducing valve V2, electric tracing module 3, sensor inlet shut-off valve V3, sensing
Device 4, sensor outlet shut-off valve V4, transmitter 5, filter F 1, first pressure gauge 6, second pressure gauge 7, insulating box 8, electricity add
Thermal modules 9 analyze cabinet 10, process gas pipeline 11.
Specific embodiment
The utility model is further illustrated with reference to the accompanying drawing.
As shown in Figure 1, a kind of online water analysis system of the utility model comprising one from process gas to be analyzed
Pipeline separates and is used to measure the branch pipe 1 of moisture content in gas, is successively arranged along gas flow direction for cutting on branch pipe 1
Only the root valve V1 of gas, the attemperator 2 for preventing water vapour in gas from condensing, for reducing the pressure reducing valve of gas pressure
V2, for according to temperature sensor detected temperature feedback adjust heating power and maintain pipeline temperature degree constant electric tracing module 3,
For ending the sensor inlet shut-off valve V3 of gas, sensor 4, for being truncated and the sensor outlet shut-off valve of downstream connection
V4 further includes the transmitter 5 that connect and will test result with sensor and be sent to central control room.
It is equipped with the filter F 1 for filtering solid contaminants between root valve and attemperator, effectively prevent the damage of sensor
It is bad.
Pipeline between pressure reducing valve and electric tracing module is equipped with the first pressure gauge 6 of measurement gas pressure, sensor with
Pipeline between sensor outlet shut-off valve is equipped with the second pressure gauge 7 of measurement output gas pressure.
The sensor inlet shut-off valve, sensor, sensor outlet shut-off valve and second pressure gauge composition test and analyze
Module is simultaneously located in insulating box 8, be equipped in the insulating box according to sensor detected temperature feedback regulating thermostatic the temperature inside the box and
Prevent vapor that electric heating module 9 is precipitated, for preventing water vapour to be precipitated.
The insulating box 8 is the high-temperature cabinet that temperature is in 150-180 DEG C.
The insulating box 8 and transmitter 5 are located in analysis cabinet 10.
The root valve V1 is high-heat and high-pressure valve；Pressure reducing valve V2 is high temperature resistant pressure reducing valve, will be in branch pipe by pressure reducing valve
High-pressure gas pressure reduce, prevent instantaneous pressure damage sensor；Sensor outlet shut-off valve V4 is needle-valve, can be used for adjusting
The pressure for testing and analyzing module disconnects the connection with downstream when sensor is overhauled.
The sensor 4 includes temperature sensor and humidity sensor, and humidity sensor probe is that resistance-capacitance type is popped one's head in, and can be surveyed
The moisture content range of amount be 0-40%, e.g., about 30%.
The power of the electric tracing module 3 is adjusted according to the feedback of sensor, and the temperature of pipeline gas can be maintained permanent
Fixed, after preventing the high temperature and high pressure gas in branch pipe cooling, water vapour is condensed from process gas, and temperature is constant to be conducive to detection data
Accuracy.
The diameter of the branch pipe 1 separated from process gas pipeline to be analyzed is the 1/ of the diameter of process gas pipeline 11 to be analyzed
, e.g., about 1/12.
The outlet end of the branch pipe 1 after sensor outlet shut-off valve with downstream process pipeline or lp venting pipeline phase
Even.
After insulating layer prevents high temperature and high pressure gas cooling, water vapour is condensed from process gas, causes detection misalignment.
The foregoing describe the preferred embodiments of the utility model, it should be understood that and above description is exemplary only,
Any restrictions to the scope of the utility model are not constituted.It can be without departing from the utility model spirit and scope to this
Many changes may be made or modification, these changes or modifications should all be considered to fall into scope of protection of the utility model for utility model.
Claims (10)
1. a kind of online water analysis system, which is characterized in that it includes one and separates and be used in combination from process gas pipeline to be analyzed
The branch pipe of moisture content, the root for ending gas is successively arranged on branch pipe along gas flow direction in measurement gas
Valve, the attemperator for preventing water vapour in gas from condensing, for reducing the pressure reducing valve of gas pressure, for being sensed according to temperature
Device detected temperature feedback adjusts heating power and the electric tracing module, the sensing for ending gas that maintain pipeline temperature degree constant
Device inlet stop valve, sensor, for be truncated with the sensor outlet shut-off valve of downstream connection, further include being connect simultaneously with sensor
It will test the transmitter that result is sent to central control room.
2. online water analysis system according to claim 1, which is characterized in that be equipped between root valve and attemperator
Filter for filtering solid contaminants.
3. online water analysis system according to claim 1, which is characterized in that between pressure reducing valve and electric tracing module
Pipeline is equipped with the first pressure gauge of measurement gas pressure, and the pipeline between sensor and sensor outlet shut-off valve, which is equipped with, to be surveyed
Measure the second pressure gauge of output gas pressure.
4. online water analysis system according to claim 3, which is characterized in that the sensor inlet shut-off valve passes
Sensor, sensor outlet shut-off valve and second pressure gauge are located in insulating box, are equipped in the insulating box and are detected according to sensor
Temperature feedback regulating thermostatic the temperature inside the box and prevent vapor be precipitated electric heating module.
5. online water analysis system according to claim 4, which is characterized in that the insulating box is that temperature is in 150-
180 DEG C of high-temperature cabinet.
6. online water analysis system according to claim 4 or 5, which is characterized in that the insulating box and transmitter position
In in analysis cabinet.
7. online water analysis system according to claim 1, which is characterized in that the root valve is high temperature high voltage resistant
Valve, pressure reducing valve are high temperature resistant pressure reducing valve, and sensor outlet shut-off valve is needle-valve.
8. online water analysis system according to claim 1, which is characterized in that the sensor includes temperature sensor
And humidity sensor, humidity sensor probe are the resistance-capacitance type probe that measurable moisture content range is 0-40%.
9. online water analysis system according to claim 1, which is characterized in that the outlet end of the branch pipe is through sensor
It is connected after outlet shutoff valve with downstream process pipeline or lp venting pipeline.
10. online water analysis system according to claim 1, which is characterized in that from process gas pipeline to be analyzed point
Branch pipe diameter out is the 1/10-1/15 of process gas line tube diameter to be analyzed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821837267.6U CN209432735U (en) | 2018-11-08 | 2018-11-08 | A kind of online water analysis system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821837267.6U CN209432735U (en) | 2018-11-08 | 2018-11-08 | A kind of online water analysis system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209432735U true CN209432735U (en) | 2019-09-24 |
Family
ID=67968130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821837267.6U Active CN209432735U (en) | 2018-11-08 | 2018-11-08 | A kind of online water analysis system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209432735U (en) |
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2018
- 2018-11-08 CN CN201821837267.6U patent/CN209432735U/en active Active
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