CN206020318U - A kind of gas dew point analytical equipment - Google Patents

A kind of gas dew point analytical equipment Download PDF

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Publication number
CN206020318U
CN206020318U CN201620975814.1U CN201620975814U CN206020318U CN 206020318 U CN206020318 U CN 206020318U CN 201620975814 U CN201620975814 U CN 201620975814U CN 206020318 U CN206020318 U CN 206020318U
Authority
CN
China
Prior art keywords
dew point
pretreatment unit
analysis instrument
gas
point analysis
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.)
Expired - Fee Related
Application number
CN201620975814.1U
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Chinese (zh)
Inventor
罗剑峰
盛柏洪
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HANG ZHOU JUKE AIR SEPARATOR INSTALLATION MANUFACTURE CO Ltd
Original Assignee
HANG ZHOU JUKE AIR SEPARATOR INSTALLATION MANUFACTURE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by HANG ZHOU JUKE AIR SEPARATOR INSTALLATION MANUFACTURE CO Ltd filed Critical HANG ZHOU JUKE AIR SEPARATOR INSTALLATION MANUFACTURE CO Ltd
Priority to CN201620975814.1U priority Critical patent/CN206020318U/en
Application granted granted Critical
Publication of CN206020318U publication Critical patent/CN206020318U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of gas dew point analytical equipment, including sampling and prime pretreatment unit, pretreatment unit, dew point analysis instrument, the sampling and prime pretreatment unit connect pretreatment unit by pipeline, pretreatment unit connects dew point analysis instrument by pipeline, the sampling and prime pretreatment unit include air inlet sampling pipe, are sequentially arranged at the supercharging equipment on air inlet sampling pipe, first flow regulating valve, the first filter according to gas flow;The pretreatment unit is included according to the pressure-reducing valve on the air inlet sampling pipe that gas flow is installed successively, the second filter, gas vacuum, flowmeter, air inlet sampling pipe finally connects dew point analysis instrument, dew point analysis instrument reconnects blast pipe, and the dew point analysis instrument communicates to connect display screen.The utility model ensure that quick, stable, free of contamination sampling, it is ensured that the continuity of analysis, accuracy, stability.

Description

A kind of gas dew point analytical equipment
Technical field
The utility model is related to a kind of gas dew point analytical equipment, belongs to gas analysis field tests.
Background technology
Air or other gases typically contain a certain amount of vapor, can produce pressure when vapor enters gas;Enter Enter water vapour molecule quantity in gas the more, its pressure(That is steam partial pressure)Bigger.At the same time, vapor is converted back into liquid The quantity of state water increases with the rising of water vapour pressure.When enter gas vapor and become again aqueous water quantity equal When, vapor reaches saturation state in gas, and starts to form dew;Temperature now is referred to as the dew point of gas, in gas Steam partial pressure higher, then its dew point is higher;Instead this is lower.
Gas dew point refers to water vapor condensation in a certain gas at normal atmospheric pressure into temperature during water, gas dew point And for weighing the index of the water content in the gas.
Dew point refers to water vapor condensation in nitrogen at normal atmospheric pressure into temperature during water, and the dew point of nitrogen is also to use The index of the water content that comes in nitrogen balance.
Gas dew point meter is widely applied, and such as ZL201120220452.2 provides a kind of gas dew point meter, including Air inlet, flow control valve, pressure sensor, flow sensor, dew point transducer and gas outlet, the port of export of air inlet pipeline Air inlet is provided with, centre is provided with flow control valve, pressure sensor, flow sensor and dew point transducer, air inlet pipeline end Gas outlet is provided with, dew point transducer hothouse between flow sensor and dew point transducer, is provided with.But this gas dew point meter Device lacks pretreating device, and gas collecting efficiency is low, and accuracy of measurement under the influence of impurity meeting.
Utility model content
The purpose of this utility model is to provide a kind of fast sample rate, strong interference immunity, the degree of accuracy high gas dew point Sample rate accelerated by analytical equipment, sampling supercharging sample mode, and carries out secondary filter, effectively goes the removal of impurity, it is ensured that measurement is accurate True property.
To achieve these goals, the utility model employs following technical proposals.
A kind of gas dew point analytical equipment, it is characterised in that:Including sampling and prime pretreatment unit, pretreatment unit, Dew point analysis instrument, the sampling and prime pretreatment unit connect pretreatment unit by pipeline, and pretreatment unit passes through pipeline Connection dew point analysis instrument, the sampling and prime pretreatment unit include air inlet sampling pipe, according to gas flow be sequentially arranged at into Supercharging equipment, first flow regulating valve on gas sampling pipe, the first filter;The pretreatment unit include according to gas flow according to Pressure-reducing valve, the second filter on the air inlet sampling pipe of secondary installation, gas vacuum, flowmeter, air inlet sampling pipe finally connect Dew point analysis instrument, dew point analysis instrument reconnect blast pipe, and the dew point analysis instrument communicates to connect display screen.
Further preferably, the dew point analysis instrument is provided with 4-20mA output ports, one-level warning output port, secondary alarm Output port;By one-level warning output port, secondary alarm output port connects different alarms, and the one-level is reported to the police defeated Exit port, secondary alarm output port are plug-in type port.
Further preferably, the display screen adopts OLED display screen, and display effect is higher, and the display screen connection is independent Power supply, power supply adopt DC24V dc sources.
Further preferably, the dew point analysis instrument communicates to connect host computer, and host computer is controlled using DCS controllers or PLC Device.
Further preferably, the dew point analysis instrument includes the supplied gas measurement pipe for passing through, the dew point being arranged in measurement pipe Sensor and temperature sensor, supply module, microprocessor, dew point transducer and temperature sensor connection microprocessor, power supply Module is powered to microprocessor, dew point transducer and temperature sensor.Microprocessor connection display, host computer, one-level are reported to the police Output port, secondary alarm output port.
Further preferably, the dew point analysis instrument connection intelligent gateway or radio transmitting device.
Technique effect of the present utility model:Ensure that quick, stable, free of contamination sampling, it is ensured that the continuity of analysis, Accuracy, stability.
Description of the drawings
Fig. 1 is schematic diagram of the present utility model.
Specific embodiment
The utility model is further clarified below in conjunction with the accompanying drawings with preferred embodiment.
Gas dew point analytical equipment described in the utility model includes sampling and prime pretreatment unit, pretreatment unit, dew Point analysis instrument, host computer, sampling and prime pretreatment unit connect pretreatment unit by pipeline, and pretreatment unit is by pipe Road connects dew point analysis instrument, and dew point analysis instrument is communicated to connect with host computer.The sampling and prime pretreatment unit include air inlet Sampling pipe, is sequentially arranged at the supercharging equipment on air inlet sampling pipe, first flow regulating valve, the first filter according to gas flow, Gas pressure is increased using supercharging equipment, sampling efficiency is improved, valve regulation charge flow rate is adjusted using first flow, first filters The preliminary impurity screening of device;With reference to Fig. 1, the pretreatment unit is included according to subtracting on the air inlet sampling pipe that gas flow is installed successively Pressure valve 1, the second filter 2, gas vacuum 3, flowmeter 4, the admission pressure that dew point analysis instrument 5 is reduced by pressure-reducing valve 1, After decompression, using the second secondary filter again of filter 2.Gas vacuum 3 is employed, and air inlet can be extracted before dew point analysis The gas of sampling pipe, reduces disturbing factor, and the flowmeter 4 plays a part of to detect that air inflow, air inlet sampling pipe finally connect Dew point analysis instrument 5, dew point analysis instrument 5 reconnect blast pipe.The dew point analysis instrument 5 is provided with 4-20mA output ports, one-level report Alert output port, secondary alarm output port;By one-level warning output port, secondary alarm output port connects different reports Alert device, the one-level warning output port, secondary alarm output port are plug-in type port, easy to connect.The dew point analysis Instrument 5 communicates to connect display screen 6, shows analysis test result by display screen 6.The display screen 6 adopts OLED display screen, shows Effect is higher, and the display screen 6 connects independent power supply 7, and power supply 7 is shown more stable using DC24V dc sources.
The dew point analysis instrument 5 communicates to connect host computer, and host computer is using DCS controllers or PLC.
Specifically, the dew point analysis instrument 5 includes the supplied gas measurement pipe for passing through, the dew point sensor being arranged in measurement pipe Device and temperature sensor, supply module, microprocessor, dew point transducer and temperature sensor connection microprocessor, supply module Power to microprocessor, dew point transducer and temperature sensor.Microprocessor connection display 7, host computer, one-level warning output Port, secondary alarm output port.5 measurable dew point quantity of dew point analysis instrument and temperature amount, and revised according to temperature.
In order to realize that wireless penetration is measured, intelligent networking, the dew point analysis instrument 5 can also connect intelligent gateway or wireless biography Defeated device.
By above-mentioned technological means, continuity that dew point analysis device of the present utility model can ensure to analyze, accuracy, steady Qualitative.
The above, specific embodiment only of the present utility model, but protection domain of the present utility model do not limit to In this, any those familiar with the art can readily occur in change in the technical scope that the utility model is disclosed Or replace, should all cover within protection domain of the present utility model.Therefore, protection domain of the present utility model should be described with power The protection domain that profit is required is defined.

Claims (5)

1. a kind of gas dew point analytical equipment, it is characterised in that:Including sampling and prime pretreatment unit, pretreatment unit, dew Point analysis instrument, the sampling and prime pretreatment unit connect pretreatment unit by pipeline, and pretreatment unit is connected by pipeline Uncover point analysis instrument, and the sampling and prime pretreatment unit include air inlet sampling pipe, are sequentially arranged at air inlet according to gas flow Supercharging equipment, first flow regulating valve on sampling pipe, the first filter;The pretreatment unit is included according to gas flow successively Pressure-reducing valve, the second filter on the air inlet sampling pipe of installation, gas vacuum, flowmeter, air inlet sampling pipe finally connect dew Point analysis instrument, dew point analysis instrument reconnect blast pipe, and the dew point analysis instrument communicates to connect display screen.
2. gas dew point analytical equipment according to claim 1, it is characterised in that:The dew point analysis instrument is provided with one-level report Alert output port, secondary alarm output port;By one-level warning output port, secondary alarm output port connects different reports Alert device, the one-level warning output port, secondary alarm output port are plug-in type port.
3. gas dew point analytical equipment according to claim 1, it is characterised in that:The display screen is shown using OLED Screen, the display screen connect independent power supply, and power supply adopts DC24V dc sources.
4. gas dew point analytical equipment according to claim 1, it is characterised in that:In the dew point analysis instrument communication connection Position machine, host computer is using DCS controllers or PLC.
5. gas dew point analytical equipment according to claim 4, it is characterised in that:The dew point analysis instrument includes supplied gas Measurement pipe, the dew point transducer in measurement pipe and temperature sensor, supply module, the microprocessor for passing through, dew point are passed Sensor and temperature sensor connection microprocessor, supply module is powered to microprocessor, dew point transducer and temperature sensor, micro- Processor connection display, host computer, one-level warning output port, secondary alarm output port.
CN201620975814.1U 2016-08-30 2016-08-30 A kind of gas dew point analytical equipment Expired - Fee Related CN206020318U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201620975814.1U CN206020318U (en) 2016-08-30 2016-08-30 A kind of gas dew point analytical equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201620975814.1U CN206020318U (en) 2016-08-30 2016-08-30 A kind of gas dew point analytical equipment

Publications (1)

Publication Number Publication Date
CN206020318U true CN206020318U (en) 2017-03-15

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201620975814.1U Expired - Fee Related CN206020318U (en) 2016-08-30 2016-08-30 A kind of gas dew point analytical equipment

Country Status (1)

Country Link
CN (1) CN206020318U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108873796A (en) * 2017-05-11 2018-11-23 上海苏靖建筑工程有限公司 A kind of dew-point temperature monitoring system and its application method
CN110005958A (en) * 2019-04-22 2019-07-12 中国石油天然气集团有限公司 A kind of gas pipeline makings analysis integration detection method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108873796A (en) * 2017-05-11 2018-11-23 上海苏靖建筑工程有限公司 A kind of dew-point temperature monitoring system and its application method
CN110005958A (en) * 2019-04-22 2019-07-12 中国石油天然气集团有限公司 A kind of gas pipeline makings analysis integration detection method

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170315

Termination date: 20190830

CF01 Termination of patent right due to non-payment of annual fee