CN105203676A - Hydrogen flame ionization detector suitable for high-pressure, high-temperature and high-humidity environments - Google Patents
Hydrogen flame ionization detector suitable for high-pressure, high-temperature and high-humidity environments Download PDFInfo
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- CN105203676A CN105203676A CN201510694654.3A CN201510694654A CN105203676A CN 105203676 A CN105203676 A CN 105203676A CN 201510694654 A CN201510694654 A CN 201510694654A CN 105203676 A CN105203676 A CN 105203676A
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Abstract
The invention relates to the technical field of checkout equipment, in particular to a hydrogen flame ionization detector. The problem about the use of the hydrogen flame ionization detector under the complicated work condition (high pressure, high temperature and high humidity) environments is mainly solved, so that the detector can be used in the complicated work condition environments, and particularly, can be stably and normally used under the stationary pollution source-type work condition. The adopted technical scheme is that the hydrogen flame ionization detector suitable for the high-pressure, high-temperature and high-humidity environments comprises a detector main body, and is characterized in that a gas outlet of the detector main body is provided with a positive pressure assembly; the positive pressure assembly comprises a sheath gas source, a regulating valve, a sheath gas pipe and a group of dispersion pipes which are communicated in sequence by pipelines, one end of the sheath gas pipe is butted with the gas outlet of the detector main body, the other end of the sheath gas pipe is opened, the pipe wall of the sheath gas pipe is of a hollow structure to form a transmission cavity of sheath gas, and the dispersion pipes are dispersively arranged on the inner wall of the sheath gas pipe.
Description
Technical field
The present invention relates to checkout equipment technical field, specifically a kind of flame ionization ditector.
Background technology
Flame ionization ditector is that one of detecting device commonly used by laboratory gas chromatograph device.This detecting device is that the flame that generates with hydrogen and air burning is for the energy, when organic compound enters the flame with hydrogen and oxygen combustion, at high temperature produce chemi-ionization, ionization produces the ion of the several order of magnitude higher than base flow, under the orientation of high-voltage electric field, form ion current, faint ion current (10-12 ~ 10-8A) amplifies through high resistant, become the electric signal be directly proportional to the organic compound amount entering flame, the size according to signal carries out quantitative test to organism.
As shown in Figure 1, organism, after flame ionization ditector, finally generates carbon dioxide and water vapor, be exhausted from system, therefore the outlet of such detecting device is generally open type design, and the path of distance external environment is shorter, makes the carbon dioxide that generates afterwards after testing and water vapor discharge system.The current analytical instrument that flame ionization ditector is housed is mainly used in lab analysis environment, by the environment for use of the control instrument such as air-conditioning, dehumidification equipment, ambient pressure is generally 1 atmospheric pressure, temperature controls to control within the scope of (20 ~ 90) % in (5 ~ 35) DEG C, relative humidity, environment for use pressure, temperature and humidity condition are relatively better, and comparatively stable.
Use flame ionization ditector for online analytical instrument, especially in stationary pollution source class operating mode, the operation environment for use of instrument is relatively poor, and ambient pressure, temperature, humidity relative experimental room are larger.Under such working condition, open type flame ionization ditector, can by the impact of pressure, temperature and humidity in environment, the steam causing system to generate and the more difficult discharge system of carbon dioxide, and then cause the extinguishing of hydrogen flame, have impact on the normal use of detecting device.
Summary of the invention
The object of the invention is the deficiency overcoming above-mentioned background technology, a kind of flame ionization ditector is provided, mainly solve the use problem of the flame ionization ditector under complex working condition (high pressure, high temperature, high humidity) environmental baseline, by improving conventional flame ionization ditector, make this detecting device can be used in complex working condition environment, the normal table that especially can meet under stationary pollution source class working condition uses.
The technical solution used in the present invention is:
Be applicable to a flame ionization ditector for high pressure-temperature high humidity environment, comprise a detector body, it is characterized in that: the gas outlet of described detector body is provided with malleation assembly.
As preferably, described malleation assembly comprises the sheath gas source of the gas, variable valve, sheath tracheae and the one group of dispersion pipe that are communicated with successively by pipeline, described one end of sheath tracheae is docked with the gas outlet of detector body, the other end is uncovered, the tube wall of sheath tracheae is hollow structure thus forms the transmission cavity of sheath gas, and described one group of dispersion pipe dispersed placement is at the inwall of sheath tracheae.
As preferably, described dispersion pipe is arranged on the inwall of sheath tracheae and tilts towards one end that sheath tracheae is uncovered.
As preferably, the pitch angle of described dispersion pipe is 0 ~ 90 degree.
As preferably, the tube wall of described dispersion pipe offers some ventholes, venthole is arranged towards one end that sheath tracheae is uncovered.
As preferably, the outer wall of described sheath tracheae is provided with heating component, and some well heaters that this heating component is arranged by the outer wall around sheath tracheae form.
As preferably, the outer wall of described sheath tracheae is provided with heat insulation module, and this heat insulation module comprises at least one deck insulation material, and the outer wall that this insulation material is coated on sheath tracheae is arranged and is wrapped in described well heater.
The invention has the beneficial effects as follows: the present invention devises a flame ionization ditector be used in complex high voltage, high temperature, high humidity environment, the outlet of this flame ionization ditector use malleation sheath vapour lock every with overall process high-temperature shielding.By this Curve guide impeller, detecting device effectively can shield ambient pressure, temperature, humidity on the impact of flame ionization ditector flame, and do not affect the smooth discharge of carbon dioxide and the steam generated in flame ionization ditector.Malleation sheath gas designs, and by increasing pressure-fired in flame ionization ditector escape hole pipeline, effectively can prevent the superheated vapor in environment from entering into detecting device, causing harmful effect to the normal combustion of flame.Control sheath atmospheric pressure by control module, detecting device can be regulated to be satisfied with the requirement of different external environment.Heating and heat insulation module can ensure that condensation can not appear in the steam that burning generates in transfer conduit.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing flame ionization ditector.
Fig. 2 is structural representation of the present invention.
Fig. 3 is the mounting structure schematic diagram of dispersion pipe.
Embodiment
The invention will be further described below, but the present invention is not limited to following examples.
As shown in Figure 2, a kind of flame ionization ditector being applicable to high pressure-temperature high humidity environment of the present invention, comprises a detector body, and the gas outlet 10 of described detector body is provided with the malleation assembly preventing the superheated vapor in environment from entering.The structure of described detector body is identical with the detector body structure of the existing flame ionization ditector shown in Fig. 1, level can install, also can vertically install.Detector body comprises base 15 and detecting device cylindrical shell 9, one end of detecting device cylindrical shell is arranged on base, the other end is shaped with described gas outlet 10, also comprise be arranged on detecting device inner barrel nozzle 13, ignition coil 12, polarization pole 20, collector 11, air duct 18 and air diffuser; Described nozzle interior is provided with capillary column 14, Hydrogen Line 17 and make-up gas pipeline 16, polarization pole 20 is arranged on the outlet of nozzle by insulator 19, ignition coil is arranged on the top of nozzle by insulator, and collector is arranged on the top of ignition coil by insulator 21.
Described malleation assembly comprises the sheath gas source of the gas 1, variable valve 2, sheath tracheae 3 and the one group of dispersion pipe 6 that are communicated with successively by pipeline, one end of described sheath tracheae is docked with the gas outlet of detector body (integrated fabrication design or be fixedly connected with by web member 4), the other end is uncovered, and the tube wall of sheath tracheae is hollow structure thus forms the transmission cavity 5 of sheath gas.Sheath gas source of the gas can use pure zero level air or inerting gas (nitrogen, helium etc.), can use gas cylinder, also can use corresponding clean gas generator.Variable valve can use mechanical valve or Electron pressure regulating valve, can regulate the pressure of different sheath gas.Sheath tracheae and dispersion pipe all adopt stainless steel, have certain anticorrosive property and heat-resisting quantity.The length of sheath tracheae is different according to actual condition, can be designed to different length.
Described one group of dispersion pipe dispersed placement is at the inwall of sheath tracheae.Dispersion pipe can divide some layers of layout, and every one deck is arranged in a circle by several dispersion pipes, and the dispersion pipe of each layer staggers mutually, or several dispersion pipe arranged crosswise of same layer, specifically determines as required.Described dispersion pipe is arranged on the inwall of sheath tracheae and tilts towards uncovered one end, and as shown in Figure 3, tiltangleθ is 0 ~ 90 degree, prevents external pressure from entering, and does not affect detecting device internal steam simultaneously and discharges outward.The tube wall of described dispersion pipe offers some venthole 6-1, venthole is arranged towards one end that sheath tracheae is uncovered, and sheath gas 8 is externally sprayed, and the sheath gas conveniently with certain pressure disperses, and increases the diffusingsurface of outwards exhaust.
For ensureing that condensation can not appear in the steam that burning generates in transfer conduit, the outer wall of described sheath tracheae is provided with heating component, and some well heaters that this heating component is arranged by the outer wall around sheath tracheae form (as heating wire, electric heating piece etc.).The outer wall of described sheath tracheae is provided with heat insulation module, and this heat insulation module comprises at least one deck insulation material 7 (conventional insulation material, as glass fibre, asbestos etc.), and the outer wall that this insulation material is coated on sheath tracheae is arranged and is wrapped in described well heater.
The present invention is compared with conventional hydrogen flame ion ring detecting device, under complex working condition (high pressure, high temperature, high humidity) environmental baseline can be met, long-term operation continuously, solve such detecting device current, produced problem under such applied environment, is applicable to laboratory, the different application pattern such as online, portable.
Finally, it should be noted that above what enumerate is only specific embodiments of the invention.Obviously, the invention is not restricted to above embodiment, a lot of distortion can also be had.All distortion that those of ordinary skill in the art can directly derive or associate from content disclosed by the invention, all should think protection scope of the present invention.
Claims (7)
1. be applicable to a flame ionization ditector for high pressure-temperature high humidity environment, comprise a detector body, it is characterized in that: the gas outlet (10) of described detector body is provided with malleation assembly.
2. a kind of flame ionization ditector being applicable to high pressure-temperature high humidity environment according to claim 1, it is characterized in that: described malleation assembly comprise be communicated with successively by pipeline sheath gas source of the gas (1), variable valve (2), sheath tracheae (3) and one group of dispersion pipe (6), one end of described sheath tracheae is docked with the gas outlet (10) of detector body, the other end is uncovered, the tube wall of sheath tracheae is hollow structure thus forms the transmission cavity (5) of sheath gas, and described one group of dispersion pipe dispersed placement is at the inwall of sheath tracheae.
3. a kind of flame ionization ditector being applicable to high pressure-temperature high humidity environment according to claim 2, is characterized in that: described dispersion pipe is arranged on the inwall of sheath tracheae and tilts towards one end that sheath tracheae is uncovered.
4. a kind of flame ionization ditector being applicable to high pressure-temperature high humidity environment according to claim 3, is characterized in that: the pitch angle (θ) of described dispersion pipe is 0 ~ 90 degree.
5. a kind of flame ionization ditector being applicable to high pressure-temperature high humidity environment according to claim 2, it is characterized in that: the tube wall of described dispersion pipe offers some ventholes (6-1), venthole is arranged towards one end that sheath tracheae is uncovered.
6. a kind of flame ionization ditector being applicable to high pressure-temperature high humidity environment according to any one of claim 2 ~ 5, it is characterized in that: the outer wall of described sheath tracheae is provided with heating component, some well heaters that this heating component is arranged by the outer wall around sheath tracheae form.
7. a kind of flame ionization ditector being applicable to high pressure-temperature high humidity environment according to claim 6, it is characterized in that: the outer wall of described sheath tracheae is provided with heat insulation module (7), this heat insulation module comprises at least one deck insulation material, and the outer wall that this insulation material is coated on sheath tracheae is arranged and is wrapped in described well heater.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510694654.3A CN105203676B (en) | 2015-10-22 | 2015-10-22 | A kind of flame ionization ditector suitable for high pressure-temperature high humidity environment |
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| CN201510694654.3A CN105203676B (en) | 2015-10-22 | 2015-10-22 | A kind of flame ionization ditector suitable for high pressure-temperature high humidity environment |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505423A (en) * | 2017-07-19 | 2017-12-22 | 上海汉洁环境工程有限公司 | The automatic heat discharge module of flame ionization ditector |
| CN111735746A (en) * | 2020-06-10 | 2020-10-02 | 杭州明瑞智能检测科技有限公司 | Handheld oil smoke detector |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2524244Y (en) * | 2002-02-10 | 2002-12-04 | 复旦大学 | Miniature flame ionizing detector |
| US20030085714A1 (en) * | 2001-11-05 | 2003-05-08 | Keyes Marion A. | Mass flow control in a process gas analyzer |
| CN202330379U (en) * | 2011-11-11 | 2012-07-11 | 河南中分仪器股份有限公司 | Flame ionization detector special for analyzing dissolved gas in insulating oil |
| CN102704992A (en) * | 2012-05-04 | 2012-10-03 | 安徽雄峰实业有限公司 | Transfer chamber of mine rescue capsule |
| CN103257108A (en) * | 2013-05-06 | 2013-08-21 | 许楷楠 | Sheath gas protection method and device for optical gas measurement instrument |
| CN203375976U (en) * | 2013-08-05 | 2014-01-01 | 中绿环保科技股份有限公司 | Online instrument air curtain protection device |
| CN203396758U (en) * | 2013-07-04 | 2014-01-15 | 浙江福立分析仪器有限公司 | Novel wide-range hydrogen flame ionization detector |
| CN203723771U (en) * | 2013-11-29 | 2014-07-23 | 李铁 | Structure of counter for selling cleaning type food |
| CN104181264A (en) * | 2014-08-19 | 2014-12-03 | 北京大学 | Low-pressure hydrogen flame ionization detector |
| CN205049539U (en) * | 2015-10-22 | 2016-02-24 | 杭州泰丽豪环保科技有限公司 | Hydrogen FID suitable for high pressure and high temperature and high humidity environment |
-
2015
- 2015-10-22 CN CN201510694654.3A patent/CN105203676B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030085714A1 (en) * | 2001-11-05 | 2003-05-08 | Keyes Marion A. | Mass flow control in a process gas analyzer |
| CN2524244Y (en) * | 2002-02-10 | 2002-12-04 | 复旦大学 | Miniature flame ionizing detector |
| CN202330379U (en) * | 2011-11-11 | 2012-07-11 | 河南中分仪器股份有限公司 | Flame ionization detector special for analyzing dissolved gas in insulating oil |
| CN102704992A (en) * | 2012-05-04 | 2012-10-03 | 安徽雄峰实业有限公司 | Transfer chamber of mine rescue capsule |
| CN103257108A (en) * | 2013-05-06 | 2013-08-21 | 许楷楠 | Sheath gas protection method and device for optical gas measurement instrument |
| CN203396758U (en) * | 2013-07-04 | 2014-01-15 | 浙江福立分析仪器有限公司 | Novel wide-range hydrogen flame ionization detector |
| CN203375976U (en) * | 2013-08-05 | 2014-01-01 | 中绿环保科技股份有限公司 | Online instrument air curtain protection device |
| CN203723771U (en) * | 2013-11-29 | 2014-07-23 | 李铁 | Structure of counter for selling cleaning type food |
| CN104181264A (en) * | 2014-08-19 | 2014-12-03 | 北京大学 | Low-pressure hydrogen flame ionization detector |
| CN205049539U (en) * | 2015-10-22 | 2016-02-24 | 杭州泰丽豪环保科技有限公司 | Hydrogen FID suitable for high pressure and high temperature and high humidity environment |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107505423A (en) * | 2017-07-19 | 2017-12-22 | 上海汉洁环境工程有限公司 | The automatic heat discharge module of flame ionization ditector |
| CN111735746A (en) * | 2020-06-10 | 2020-10-02 | 杭州明瑞智能检测科技有限公司 | Handheld oil smoke detector |
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| CN105203676B (en) | 2018-01-09 |
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