CN207114475U - A kind of flame-proof type flame ionization ditector - Google Patents
A kind of flame-proof type flame ionization ditector Download PDFInfo
- Publication number
- CN207114475U CN207114475U CN201721074561.1U CN201721074561U CN207114475U CN 207114475 U CN207114475 U CN 207114475U CN 201721074561 U CN201721074561 U CN 201721074561U CN 207114475 U CN207114475 U CN 207114475U
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- China
- Prior art keywords
- flame
- proof cylinder
- air pipe
- proof
- ionization ditector
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Abstract
The utility model belongs to detection device technical field, more particularly to a kind of flame-proof type flame ionization ditector, it includes flame proof cylinder, cover, flame ionization ditector module and control board, the flame ionization ditector module and control board are each provided in flame proof cylinder, and cover is placed on flame proof cylinder and is connected with flame proof cylinder；The flame ionization ditector module includes detector body, electrical connecting wires and the hydrogen pipeline connected respectively with detector body, air pipe line, sample air pipe and exhaust pipe, the flame proof cylinder barrel is provided with introducing device, and the hydrogen pipeline, air pipe line, sample air pipe, exhaust pipe and electrical connecting wires are each passed through different introducing devices and are in communication with the outside；Sintering metal spark arrester is respectively arranged with hydrogen pipeline, air pipe line, sample air pipe and exhaust pipe in flame proof cylinder, unsafe factor is limited in flame proof cylinder, and conveniently moving, using flexible.
Description
Technical field
The utility model belongs to detection device technical field, and in particular to a kind of flame-proof type flame ionization ditector.
Background technology
The flame that flame ionization ditector is generated using hydrogen and air burning is the energy, when organic compound enters fire
Flame, chemi-ionization is produced at high temperature, ionization produces the ion of several orders of magnitude higher than base flow, in the orientation of high voltage electric field
Under, form ion stream, faint ion stream (10-12~10-8A high resistant (10) is passed through6~1011Ω) amplify, turn into and enter flame
Organic compound the directly proportional electric signal of concentration, quantitative analysis can be carried out to organic matter according to the size of signal.
Flame ionization ditector is mainly characterized by having response to nearly all volatile organic compound, and
High sensitivity (10-13~10-10G/s), base flow is small by (10-14~10-13A), the range of linearity is wide by (106~107), fast (1ms) is responded,
Stability is high, CO, CO hardly in by home2, vapor influence.Its major defect is to need three kinds of sources of the gas and its stream
Speed control system, especially there are strict requirements to explosion-proof.
In laboratory environments, there is no requirement of explosion proof to flame ionization ditector.In actual industrials such as petrochemical industries
In environment, there is strict requirement of explosion proof to detecting instrument.Usual stationary source volatile organic matter monitoring instrument is prevented using malleation
Quick-fried structure meets requirement of explosion proof, and its volume is big, and place to use is fixed；And detected for petroleum chemical industry pipe leakage with repairing
Application scenario, because leakage point is scattered and does not fix, positive-pressure explosion-proof structure can not meet detection demand, lack one in the prior art
Kind explosion-proof type flame ionization ditector simple in construction, using flexible.
The content of the invention
The utility model provides a kind of flame-proof type flame ionization ditector, it is therefore intended that solve existing hydrogen flame from
Sonization detector can not meet the test problems of pipe leakage due to a lack of flame proof measure.
To achieve these goals, the technical solution of the utility model is：
A kind of flame-proof type flame ionization ditector, it is characterized in that：Including flame proof cylinder, cover, hydrogen flame
Ionization detector module and control board, the flame ionization ditector module and control board are each provided at flame proof
In cylinder, cover is placed on flame proof cylinder and is connected with flame proof cylinder；The flame ionization ditector module includes detection
Device main body, electrical connecting wires and the hydrogen pipeline connected respectively with detector body, air pipe line, sample air pipe and flue gas leading
Road, the flame proof cylinder barrel are provided with introducing device, the hydrogen pipeline, air pipe line, sample air pipe, exhaust pipe and electricity
Gas line is each passed through different introducing devices and is in communication with the outside；Hydrogen pipeline, air pipe line, sample air pipe in flame proof cylinder
With sintering metal spark arrester is respectively arranged with exhaust pipe.
Further, the detector body is externally provided with heat-proof device.
Further, the flame proof cylinder is cylindric that flame proof cylinder barrel along the circumferential direction equably offers screw thread
Hole, introducing device precession screwed hole is interior to link together with flame proof cylinder.
Further, it is filled with encapsulant in the introducing device.
Further, the length of the sintering metal spark arrester is 20-50mm, 70-100 mesh.
Further, the cover links together with flame proof cylinder screw.
Compared with prior art, the utility model has the advantages that：
1st, the utility model sets flame proof cylinder outside existing flame ionization ditector, and be spirally connected cylinder on flame proof cylinder
Lid, flame ionization ditector module and control board are placed in flame proof cylinder, hydrogen flameionization can be detected
The unsafe factor that device is possible to light extraneous explosion gaseous environment is limited in flame proof cylinder, and conveniently moving,
Using flexible.
2nd, the introducing device is along the circumferential direction evenly provided on flame proof cylinder barrel, hydrogen pipeline, air pipe line,
Sample air pipe, exhaust pipe and electrical connecting wires are each passed through different conduit entries and are in communication with the outside, simple in construction, reliably
Property it is high.
3rd, cover and the flame proof cylinder screw is linked together, and introducing device is screwed onto on the barrel of flame proof cylinder, just
It is convenient and reliable in installation and removal.
4th, encapsulant is filled with the introducing device, further unsafe factor is limited in flame proof cylinder.
Brief description of the drawings
Fig. 1 is a kind of front view of flame-proof type flame ionization ditector in the utility model embodiment；
Fig. 2 is the partial enlargement structural representation at A positions in Fig. 1；
A kind of left view of flame-proof type flame ionization ditector in Fig. 3 the utility model embodiments；
Fig. 4 is a kind of top view of flame-proof type flame ionization ditector in the utility model embodiment.
In figure：1st, flame proof cylinder, 2, cover, 3, flame ionization ditector module, 4, control board, 5, introduce dress
Put, 6, sintering metal spark arrester, 31, electrical connecting wires, 32, hydrogen pipeline, 33, air pipe line, 34, sample air pipe, 35, flue gas leading
Road, 36, heat-proof device.
Embodiment
The utility model is further elaborated and illustrated with reference to specific embodiments and the drawings：
Referring to Fig. 1 to Fig. 4, a kind of flame-proof type flame ionization ditector, including flame proof cylinder 1, cover 2, hydrogen flame
Ionization detector module 3 and control board 4, the flame ionization ditector module 3 are located in flame proof cylinder 1, control
Circuit board 4 processed includes automatic ignition, temperature control and polarization high pressure and produces three functions, makes non-intrinsically safe circuit and is placed on flame proof
Inside cylinder 1.Cover 2 is placed on flame proof cylinder 1 and is threaded togather with flame proof cylinder 1.Flame proof cylinder 1 using metal or
High-strength non-metallic material is process, and usual metal material can from material, nonmetallic materials such as carbon steel, stainless steel, cast aluminiums
High-strength engineering plastic is selected, the condition that the wall thickness t of flame proof cylinder 1 meets is：Wherein p presses for design
Power, [σ] are the allowable stress of material；D is flame proof cylinder internal diameter；σθFor the tangential stress of flame proof cylinder.
The flame ionization ditector module 3 include detector body, electrical connecting wires 31 and respectively with detector
Main body connection hydrogen pipeline 32, air pipe line 33, sample air pipe 34 and exhaust pipe 35, the detector body be externally provided with every
Thermal 36, the barrel of flame proof cylinder 1 are provided with introducing device 5, and flame proof cylinder 1 is cylindric, the barrel of flame proof cylinder 1 edge circle
Circumferential direction equably offers screwed hole, is linked together in the precession screwed hole of introducing device 5 with flame proof cylinder 1, hydrogen pipeline
32nd, air pipe line 33, sample air pipe 34, exhaust pipe 35 and electrical connecting wires 31 be each passed through different conduit entries 5 with
External world's connection, introducing device 5 is interior to be filled with encapsulant, such as epoxy resin, is not specifically limited herein.In flame proof cylinder 1
Sintering metal spark arrester 6 is respectively arranged with hydrogen pipeline 32, air pipe line 33, sample air pipe 34 and exhaust pipe 35, can be prevented
Tempering is diffused into the explosive gas atmosphere outside flame proof cylinder 1 by gas piping, and the length of sintering metal spark arrester 6 is
20-50mm, 70-100 mesh.
Flame proof is designed using gap explosion-proof technology, reaches the flame-out effect of cooling by gap, length of action, can
Flame proof is limited to flame ionization ditector is possible to light the unsafe factor of extraneous explosion gaseous environment
It is all on flame proof barrel wall to be less than corresponding maximum experiment safety gap with the extraneous seam communicated and hole in cylinder.
Claims (6)
- A kind of 1. flame-proof type flame ionization ditector, it is characterised in that：Including flame proof cylinder (1), cover (2), hydrogen flame Ionization detector module (3) and control board (4), the flame ionization ditector module (3) and control board (4) it is each provided in flame proof cylinder (1), cover (2) is placed on flame proof cylinder (1) and is connected with flame proof cylinder (1)；The hydrogen flame Ionization detector module (3) includes detector body, electrical connecting wires (31) and the hydrogen connected respectively with detector body Pipeline (32), air pipe line (33), sample air pipe (34) and exhaust pipe (35), flame proof cylinder (1) barrel, which is provided with, to be drawn Enter device (5), the hydrogen pipeline (32), air pipe line (33), sample air pipe (34), exhaust pipe (35) and electrical connecting wires (31) different introducing device (5) is each passed through to be in communication with the outside；Hydrogen pipeline (32), air pipe line in flame proof cylinder (1) (33), it is respectively arranged with sintering metal spark arrester (6) on sample air pipe (34) and exhaust pipe (35).
- A kind of 2. flame-proof type flame ionization ditector according to claim 1, it is characterised in that：The detector master It is provided with heat-proof device (36) in vitro.
- A kind of 3. flame-proof type flame ionization ditector according to claim 1 or 2, it is characterised in that：The flame proof Cylinder (1) is cylindric, and flame proof cylinder (1) barrel along the circumferential direction equably offers screwed hole, introducing device (5) precession spiral shell Linked together in pit with flame proof cylinder (1).
- A kind of 4. flame-proof type flame ionization ditector according to claim 3, it is characterised in that：The introducing device (5) encapsulant is filled with.
- A kind of 5. flame-proof type flame ionization ditector according to claim 4, it is characterised in that：The sintering metal The length of spark arrester (6) is 20-50mm, 70-100 mesh.
- A kind of 6. flame-proof type flame ionization ditector according to claim 5, it is characterised in that：The cover (2) It is threaded togather with flame proof cylinder (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074561.1U CN207114475U (en) | 2017-08-25 | 2017-08-25 | A kind of flame-proof type flame ionization ditector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721074561.1U CN207114475U (en) | 2017-08-25 | 2017-08-25 | A kind of flame-proof type flame ionization ditector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207114475U true CN207114475U (en) | 2018-03-16 |
Family
ID=61576792
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721074561.1U Expired - Fee Related CN207114475U (en) | 2017-08-25 | 2017-08-25 | A kind of flame-proof type flame ionization ditector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207114475U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707757A (en) * | 2020-06-29 | 2020-09-25 | 杭州柯林电气股份有限公司 | Transformer oil online chromatographic analysis method based on FID |
-
2017
- 2017-08-25 CN CN201721074561.1U patent/CN207114475U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111707757A (en) * | 2020-06-29 | 2020-09-25 | 杭州柯林电气股份有限公司 | Transformer oil online chromatographic analysis method based on FID |
| CN111707757B (en) * | 2020-06-29 | 2023-01-10 | 杭州柯林电气股份有限公司 | Transformer oil online chromatographic analysis method based on FID |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180316 Termination date: 20200825 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |