CN204422493U - A kind of flame ionization ditector - Google Patents
A kind of flame ionization ditector Download PDFInfo
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- CN204422493U CN204422493U CN201520031691.1U CN201520031691U CN204422493U CN 204422493 U CN204422493 U CN 204422493U CN 201520031691 U CN201520031691 U CN 201520031691U CN 204422493 U CN204422493 U CN 204422493U
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- polarization
- surge drum
- stainless steel
- ion chamber
- cylinder
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Abstract
A kind of flame ionization ditector, belongs to analytical and testing instrument technical field.Be a kind of wind-proof type, all insulation, gold cellular type surge drum, polarization cylinder, surge drum and polarization cylinder integral type flame ionization ditector, good stability, accuracy are high.Compact conformation, technique are simpler.Adopt and collect jacket casing two, be enclosed within the two ends of surge drum respectively, four sides, upper end has four symmetrical right angle relieving devices, middle native portion band screw thread, lower center to have a conical macropore, on lower side surrounding respectively to have the stainless steel hurricane globe of a bleeder vent communicated with conical macropore to be pressed on above stainless steel ion chamber body; The endoporus of surge drum is the gold cellular type surge drum be processed into according to golden section proportion; Polarization cover is equipped with in the lower end of ion chamber's body; The lower end of the above-mentioned ion chamber's body installed, is enclosed within stainless steel pedestal, and pedestal loads in heat block and to be fastened on the end of incubation chamber inner, and silicon cotton warming plate is around housed in incubation chamber, and ignition wire is equipped with in the upper end by ion chamber's body.
Description
Technical field
The utility model belongs to analytical and testing instrument technical field, relates to a kind of flame ionization ditector structural design of gas chromatograph.
Background technology
When gas chromatograph flame ionization ditector is analyzed, the quality of flame ionization ditector performance, directly affecting gas chromatograph does the stability and accuracy analyzed.At present, the shortcoming of flame ionization ditector structural design: is because flame ionization ditector is highly sensitive, waste gas, by the direct emptying of surge drum, is easy to the interference by external interference, particularly wind, directly affects its stability; Two is because between polarization ring and ground, naked shields, form a highfield between polarization ring and surge drum while, also a weak electric field is formed between polarization ring and ground, therefore the ionizable charged ion of sample, except the highfield formed between most polarized ring and surge drum is collected, formed outside useful signal, the weak electric field formed between a small amount of polarized ring and ground is in addition collected, form loss signal, cause that sensitivity is on the low side and accuracy is slightly poor; Three are surge drums with the support of polarization ring is separate to design, and the distance between it has subtle change sometimes, can cause bad stability.
Summary of the invention
The purpose of this utility model is to provide a kind of wind-proof type, all insulation, gold cellular type surge drum, polarization cylinder, surge drum and polarization cylinder integral type flame ionization ditector, for achieving the above object, the technical scheme adopted, it is characterized in that: adopt stainless steel ion chamber body, the upper end of ion chamber's body is built with stainless steel surge drum, surge drum is the thick right cylinder that there is a horizontal circular groove silk hole centre, the thin right cylinder of two ends symmetry, on the thin right cylinder of two ends symmetry, each cover has the T-shaped height true procelain surge drum cover of its central band circular hole of merely hitting, collect jacket casing major part in centre, realize surge drum all insulation over the ground, the endoporus of surge drum is upper long and little, lower short and large gold cellular type surge drum, signal bolt on ion chamber's body is equipped with the signal output terminal be connected on surge drum, and compresses with the shielding bolt that high-frequency socket is housed, ion chamber's body have above that four symmetrical right angle relieving devices are worn in the upper end four of compression, middle and upper part band screw thread, lower center have a conical macropore, on lower side surrounding respectively to have the stainless steel hurricane globe of a bleeder vent communicated with conical macropore, in polarization silk hole in the middle part of polarization cylinder, there is the polarization leading-in terminal of the kovar alloy material be pressed on polarization bolt, the right cylinder height true procelain polarization that upper end is equipped with in the lower end of ion chamber's body has three holes of the open and clear macropore in a place, medial small hole, lower end bellmouth to communicate is overlapped, polarization leading-in terminal is in slitting, polarization cylinder is inserted in the inside, has gib screw to fix, and realizes polarization cylinder all insulation over the ground, stainless steel impact faces, is equipped with diamond spar nozzle, is welded with air stainless-steel tube and hydrogen stainless-steel tube by middle part, and the air stainless-steel tube near pedestal place and hydrogen stainless-steel tube, around 3.5 ringlets, become spring-like, make air-flow buffer preheating, there is the screw thread of the bell-mouthed packing hole of band and fastening chromatographic column stainless steel pedestal lower end, stainless steel pedestal is contained in and is equipped with in the METAL HEATING PROCESS block of platinum resistance thermometer sensor, and two stainless steel heating rods, the lower end of the above-mentioned ion chamber's body installed, is enclosed within stainless steel pedestal, and the endoporus of polarization cylinder is inserted in diamond spar jet hole, the end that heat block is fastened on stainless steel incubation chamber by self-tightening bolt, is inner, and silicon cotton warming plate is around housed in incubation chamber, the ignition wire that the useful special bolt in upper end by ion chamber's body compresses, in brief, adopt and collect jacket casing two, be enclosed within the two ends of surge drum respectively, four sides, upper end has four symmetrical right angle relieving devices, middle and upper part band screw thread, lower center to have a conical macropore, on lower side surrounding respectively to have the stainless steel hurricane globe of a bleeder vent communicated with conical macropore to be pressed on above stainless steel ion chamber body, the endoporus of surge drum is the gold cellular type surge drum be processed into according to golden section proportion, polarization cover is equipped with in the lower end of ion chamber's body, the lower end of the above-mentioned ion chamber's body installed, is enclosed within stainless steel pedestal, and pedestal loads in heat block and to be fastened on the end of incubation chamber inner, and silicon cotton warming plate is around housed in incubation chamber, and ignition wire is equipped with in the upper end by ion chamber's body.
The beneficial effects of the utility model are, a kind of flame ionization ditector, and be a kind of wind-proof type, all insulation, gold cellular type surge drum, polarization cylinder, surge drum and polarization cylinder integral type flame ionization ditector, good stability, accuracy are high.Adopt wind-proof type hurricane globe, avoid the interference of wind, improve its stability; Adopt all insulation mode, one is the impact preventing outer bound pair surge drum, two are a cancellation the weak electric field formed between polarization ring and ground, ionizable charged ion, the highfield formed between whole polarized ring and surge drum is collected, there is no the loss of signal, this guarantees the accuracy of analysis result; Gold cellular type surge drum is conducive to ionization and the collection of sample; Polarization cylinder compensate for the narrow shortcoming of former polarization ring setting range; Surge drum is all contained on ion chamber's body with polarization cylinder, and one-tenth is integrated, and ensure that the distance between surge drum and polarization cylinder, further increase its stability, and compact conformation, technique is simpler.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is perpendicular sectional structure schematic diagram of the present utility model.
Fig. 2 is surge drum nested structure schematic diagram of the present utility model.
Fig. 3 is polarization nested structure schematic diagram of the present utility model.
Fig. 4 is balance housing schematic diagram of the present utility model.
Fig. 5 is polarization barrel structure schematic diagram of the present utility model.
1. hurricane globes in accompanying drawing, 2. collect jacket casing, 3. ion chamber's body, 4. surge drum, 5. gold hole, 6. polarization cover, 7. diamond spar nozzle, 8. screw, 9. hold-down bolt, 10. graphite pads, 11. incubation chamber, 12. warming plates, 13. spring-like, 14. air stainless-steel tubes, 15. hydrogen stainless-steel tubes, 16. self-tightening bolts, 17. fastening screw threads, 18. circular groove silk holes, 19. signal bolts, 20. signal output terminals, 21. shielding bolts, 22. high-frequency sockets, 23. polarization cylinders, 24. polarization silk holes, 25. polarization bolts, 26. polarization caps, 27. polarization leading-in terminals, 28. pedestals, 29. platinum resistance thermometer sensor,s, 30. heating rods, 31. heat blocks, 32. packing holes, 33. hydraucones, 34. circular holes, 35. apertures, 36. bellmouths, 37. macropores, 38. slit, 39. bleeder vents, 40. conical macropores, 41. relieving devices, 42. screw threads, 43. endoporus, 44. special bolts, 45. ignition wire
Embodiment
A kind of flame ionization ditector, at accompanying drawing 1, 2, 3, 4, in 5, adopt (2) two, the T-shaped height true procelain surge drum cover of Intermediate Gray circular hole (34), be enclosed within the thick right cylinder that there is a horizontal circular groove silk hole (18) centre respectively, the two ends of the thin cylindrical stainless steel surge drum (4) of two ends symmetry, major part is in centre, make surge drum (4) all insulation, in case the interference in the external world and impact, and load in the upper end of ion chamber's body (3), the signal output terminal (20) in the circular groove silk hole (18) of surge drum (4) will be threaded into the shielding bolt (21) that high-frequency socket (22) is housed, compressed by the signal bolt (19) on ion chamber's body (3), again four sides, upper end there is the right angle relieving device (41) that four symmetrical, middle and upper part band screw thread (42), lower center has a conical macropore (40), surrounding respectively has the stainless steel hurricane globe (1) of a bleeder vent (39) communicated with conical macropore (40) on lower side, be screwed into the upper end of ion chamber's body (3), by above-mentioned compression, make waste gas by the top of surge drum (4), flow to the bleeder vent (39) of hurricane globe (1), flow to relieving device (41) again, four streams of falling type, eliminate the interference of extraneous factor particularly wind, long and little, lower short and large on the endoporus of surge drum (4), be processed into gold hole (5) formula surge drum (4) according to golden section proportion, be beneficial to ionization and the collection of sample, the polarization leading-in terminal (27) of kovar alloy material is screwed tight in the polarization silk hole (24) at polarization cylinder (23) middle part, be pressed in polarization bolt (25) with polarization cap (26), the macropore (37) at a place open and clear (38) is had with upper end, medial small hole (35), (6) are overlapped in the right cylinder height true procelain polarization that three holes of lower end bellmouth (36) communicate, loaded by the lower end of ion chamber's body (3), slit (38) aligning polarization leading-in terminal (27), the cylinder (23) that will polarize is inserted in, be fixed with gib screw (8), polarization cylinder (23) and ground is made to form high insulation, eliminate the electric field formed between polarization cylinder (23) and ground, avoid the loss of signal, there is by cover the diamond spar nozzle (7) stainless steel hold-down bolt (9) of conical graphite pad (10) to be pressed on and be welded with air stainless-steel tube (14) with on the stainless steel pedestal (28) of hydrogen stainless-steel tube (15), air stainless-steel tube (14) near pedestal (28) place is become spring-like (13) with hydrogen stainless-steel tube (15) around 3.5 ringlets, allow after air and hydrogen buffering preheating and enter, to increase the stability of flame, there are the packing hole (32) of band hydraucone (33) and the fastening screw thread (17) of fastening chromatographic column in stainless steel pedestal (28) lower end, it is inner that stainless steel pedestal (28) is contained in the METAL HEATING PROCESS block (31) that platinum resistance thermometer sensor, (29) and two stainless steel heating rods (30) are housed, by the lower end of the above-mentioned ion chamber's body (3) installed, be contained on stainless steel pedestal (28), and make the endoporus of polarization cylinder (23) (43) be inserted in diamond spar nozzle (7) mouth, the end that heat block (31) is fastened on stainless steel incubation chamber (11) by self-tightening bolt (16), is inner, silicon cotton warming plate (12) is around housed in incubation chamber (11), ignition wire (45) is pressed on the upper end of ion chamber's body (3) with special bolt (44).
Claims (1)
1. a flame ionization ditector, it is characterized in that: adopt stainless steel ion chamber body, the upper end of ion chamber's body is built with stainless steel surge drum, surge drum is the thick right cylinder that there is a horizontal circular groove silk hole centre, the thin right cylinder of two ends symmetry, on the thin right cylinder of two ends symmetry, each cover has the T-shaped height true procelain surge drum cover of its central band circular hole of merely hitting, and collects jacket casing major part in centre, realizes surge drum all insulation over the ground; The endoporus of surge drum is upper long and little, lower short and large gold cellular type surge drum; Signal bolt on ion chamber's body is equipped with the signal output terminal be connected on surge drum, and compresses with the shielding bolt that high-frequency socket is housed; Ion chamber's body have above that four symmetrical right angle relieving devices are worn in the upper end four of compression, middle and upper part band screw thread, lower center have a conical macropore, on lower side surrounding respectively to have the stainless steel hurricane globe of a bleeder vent communicated with conical macropore; In polarization silk hole in the middle part of polarization cylinder, there is the polarization leading-in terminal of the kovar alloy material be pressed on polarization bolt; The right cylinder height true procelain polarization that upper end is equipped with in the lower end of ion chamber's body has three holes of the open and clear macropore in a place, medial small hole, lower end bellmouth to communicate is overlapped, polarization leading-in terminal is in slitting, polarization cylinder is inserted in the inside, has gib screw to fix, and realizes polarization cylinder all insulation over the ground; Stainless steel impact faces, is equipped with diamond spar nozzle, is welded with air stainless-steel tube and hydrogen stainless-steel tube by middle part, and the air stainless-steel tube near pedestal place and hydrogen stainless-steel tube, around 3.5 ringlets, become spring-like, make air-flow buffer preheating; There is the screw thread of the bell-mouthed packing hole of band and fastening chromatographic column stainless steel pedestal lower end; Stainless steel pedestal is contained in and is equipped with in the METAL HEATING PROCESS block of platinum resistance thermometer sensor, and two stainless steel heating rods; The lower end of the above-mentioned ion chamber's body installed, is enclosed within stainless steel pedestal, and the endoporus of polarization cylinder is inserted in diamond spar jet hole; The end that heat block is fastened on stainless steel incubation chamber by self-tightening bolt, is inner, and silicon cotton warming plate is around housed in incubation chamber; The ignition wire that the useful special bolt in upper end by ion chamber's body compresses.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031691.1U CN204422493U (en) | 2015-01-14 | 2015-01-14 | A kind of flame ionization ditector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520031691.1U CN204422493U (en) | 2015-01-14 | 2015-01-14 | A kind of flame ionization ditector |
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| Publication Number | Publication Date |
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| CN204422493U true CN204422493U (en) | 2015-06-24 |
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|---|---|---|---|
| CN201520031691.1U Expired - Fee Related CN204422493U (en) | 2015-01-14 | 2015-01-14 | A kind of flame ionization ditector |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891395A (en) * | 2015-01-14 | 2016-08-24 | 山东鲁南瑞虹化工仪器有限公司 | Hydrogen flame ionization detector |
-
2015
- 2015-01-14 CN CN201520031691.1U patent/CN204422493U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105891395A (en) * | 2015-01-14 | 2016-08-24 | 山东鲁南瑞虹化工仪器有限公司 | Hydrogen flame ionization detector |
| CN105891395B (en) * | 2015-01-14 | 2024-06-04 | 山东鲁南瑞虹化工仪器有限公司 | Hydrogen flame ionization detector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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: 20150624 Termination date: 20160114 |