CN203929457U - A kind of gun barrel formula Antichoking blast pressure sampler - Google Patents
A kind of gun barrel formula Antichoking blast pressure sampler Download PDFInfo
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- CN203929457U CN203929457U CN201420263318.4U CN201420263318U CN203929457U CN 203929457 U CN203929457 U CN 203929457U CN 201420263318 U CN201420263318 U CN 201420263318U CN 203929457 U CN203929457 U CN 203929457U
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Abstract
The utility model proposes a kind of gun barrel formula Antichoking blast pressure sampler, coordinate intelligent measure monitoring and ensuring equipment, by assembly, pressurized air ability is converted into powerful purging power, comprise and measure body, pressure samples pipe, pipe collar, bushing joint, cutting ferrule active joint and gauge pipe, described pressure samples pipe upwards 45 degree directions is welded on measurement body, and be connected with described bushing joint by described pipe collar, described bushing joint is connected with gauge pipe by described ferrule fitting.Its core is to pass through
ferrule fitting is adjusted insertion depth, reaches best sampling and purges effect.Near the dust being deposited on sample tap or in pressure guiding pipe is purged clean.
Description
Technical field
The utility model relates to the anti-blocking sampler of a kind of pressure survey, and it is mainly used in measuring a mouthful Antichoking blast pressure sampling with the pressure of solia particle gas, differential pressure impulse.
Background technology
At present, wind wind, the flues such as large-sized boiler, cement furnace, power plant's industry, steel industry, paper industry, chemical industry, sewage treatment industry, colliery industry, refinery industry, biological burning boiler industry all need gaseous tension to measure, and industrial gasses pressure survey is to be drawn out to pressure unit by a sampler and gauge pipe.
There is following problem in the application of pressure survey at present: tested gas contains dust, and because operating industrial gasses pressure is not constant, the dust in gas can cause sedimentation under the gas pressure constantly changing near pressure tappings as tide; If also enter in gauge pipe by sample tap can sedimentation in skirt road for impulse pipeline blow-by dust in addition, the design of this only import but no export is accumulated over a long period and will be caused impulse throttling or obstruction, the lighter causes the decline of boiler efficiency, nitride discharge beyond standards causes new pollution to environment, and severe one directly threatens the security of operation of boiler! For example: the protection of combustion chamber draft, cause main protection of boiler malfunctioning if stopped up, abnormally dangerous.Settling dust remover+tornado dust collector scheme that the unified standard design in the whole nation is used, the limitation manufacturing and designing because of standard component, between two fly-ash separators of measuring system and must be furnished with the steel pipe of Φ 14 Χ 2 or Φ 18 Χ 3 between fly-ash separator and instrument, in whole pressure conduction loop, conductive cross-section changes for long-pending three times, build-up of pressure conductive loop frequent phenomenon in the time that sectional area has the place diminishing greatly to stop up.
The colleague who is in the past few years devoted to anti-blocking pressure survey pressure vessel research is a lot, all obtaining in varying degrees very large achievement, but still exist such-and-such problem in actual use, as the application number national patent " Antichoking blast pressure sampler " that is 92215359.0, there are theoretically good dust separation and effect of settling, but complex structure, when manufacture, requirement conical hopper and the vertex of a cone wherein must be to good, the angle of inner rotating vane also must meet the requirements, and the anti-blocking pressure survey pressure vessel of this structure is in the situation that dusty gas is not dry gas, due to the tortuous more instead more easily obstruction of stream wherein.As the national patent " cigarette wind pressure anti-clogging pressure meter " that application number is 200720076031.1, similar with the national patent that application number is 92215359.0, arc funnel and wind-shield cone manufacture also must be with one heart, the inner processing difficulties that connects.Application number is the national patent " blower of compensated wind-pressure measuring anti-clogging " that 92215359.0 national patent " pressure measurement anti-blockage method and device " and application number are 200420026876.5, similarly national patented product a lot of, all need to be equipped with complicated anti-clogging back-blowing system, if and the stability of back-blowing blast and air force regulate inappropriate words, be easy to cause wind pressure measurement inaccurate.
Utility model content
The utility model, for addressing the above problem, has proposed a kind of gun barrel formula Antichoking blast pressure sampler, uses intelligent measure monitoring and ensuring equipment, by assembly, pressurized air ability is converted into purging very strong driving force.Its core is to pass through
ferrule fitting is adjusted insertion depth, reaches best sampling and purges effect.Near the dust being deposited on sample tap or in pressure guiding pipe is purged clean.
For achieving the above object, technical solution adopted in the utility model is as follows:
A kind of gun barrel formula Antichoking blast pressure sampler, comprise and measure body, pressure samples pipe, pipe collar, bushing joint, cutting ferrule active joint and gauge pipe, it is characterized in that: also comprise control system, described control system is received flowmeter pressure guiding pipe, described flowmeter pressure guiding pipe is connected with described gauge pipe, described pressure samples pipe upwards 45 degree directions is welded on measurement body, and be connected with described bushing joint by described pipe collar, described bushing joint is connected with gauge pipe by described cutting ferrule active joint.
Further, described control system is made up of DCS control system, purging controller, differential pressure transmitter, 2 groups of electromagnetism group valves, pressure maintaining valve and flowmeter pressure guiding pipes.
Further, described pressure samples pipe is
sampling screw thread short tube.
Further, described bushing joint is 1/2--1/4 bushing joint.
Further, described cutting ferrule active joint is
ferrule fitting.
Further, described gauge pipe is 14*2 stainless steel gauge pipe.
The beneficial effects of the utility model are:
1, the adjustable design of bite type, limited source of the gas energy storage can be adjusted (
ferrule fitting can be adjusted insertion depth) to the stopple coupon head of easy dust stratification;
2,, according to calculating, during blowback is swept, the pressurized air of 0.45MPa is by 14*2 stainless steel gauge pipe locating at best insertion depth
in sampling screw thread short tube, discharge, realize " explosion type " and purge, just as gun barrel implode;
3, during non-purging, adopt separator type sampling design, 14*2 stainless steel gauge pipe insertion 45 degree tilt
in sampling screw thread short tube, according to cyclone principle of work, when pressure samples, part primary mixture is feed pressure stopple coupon in the time of air pressure change, gauge pipe to be further entered and flow direction generation rotation need to be changed, meal separates with realization under Action of Gravity Field at centrifugal force, and isolated meal sinks and gets back to sampling craft pipeline, reaches anti-blocking object.
Brief description of the drawings
Fig. 1 is the sectional view of a kind of gun barrel formula of the utility model Antichoking blast pressure sampler;
Fig. 2 is the circuit theory diagrams of the utility model embodiment control system.
Embodiment
For above-mentioned purpose of the present utility model, feature and advantage can be become apparent more, below in conjunction with accompanying drawing, embodiment of the present utility model is described in detail.
Referring to Fig. 1, this figure is the sectional view of a kind of gun barrel formula Antichoking blast pressure sampler of providing of the utility model.
A kind of gun barrel formula Antichoking blast pressure sampler, comprise and measure body 1, pressure samples pipe 2, pipe collar 3, bushing joint 4, cutting ferrule active joint 5 and gauge pipe 6, also comprise control system 1-1, described control is that 1-1 system is received flowmeter pressure guiding pipe 1-9, described flowmeter pressure guiding pipe 1-9 is connected with described gauge pipe 6, described pressure samples pipe 2 upwards 45 degree directions is welded on measurement body 1, and be connected with described bushing joint 4 by described pipe collar 3, described bushing joint 4 is connected with gauge pipe 6 by described cutting ferrule active joint 5.Described control system 1-1 is made up of DCS control system 1-1, purging controller 1-2, differential pressure transmitter 1-3, the first electromagnetism group valve 1-4, the second electromagnetism group valve 1-5, the 3rd electromagnetism group valve 1-6, the 4th electromagnetism group valve 1-7, pressure maintaining valve 1-8 and flowmeter pressure guiding pipe 1-9.
When work, 14*2 stainless steel gauge pipe 6 insert 45 degree tilt
in sampling screw thread short tube, according to cyclone principle of work, when pressure samples, part primary mixture is feed pressure stopple coupon 2 in the time of air pressure change, gauge pipe 6 to be further entered and flow direction generation rotation need to be changed, meal separates with realization under Action of Gravity Field at centrifugal force, and isolated meal sinks and gets back to sampling craft pipeline, reaches anti-blocking object.Avoid blocking pipe, form cyclone principle design key element.Obtain preliminary Purge gas and can be passed to transmitter by 14*2 measuring channel.Have part solid particle in stopple coupon end deposition, the regular anti-purging system of supporting control system is adjusted the insertion depth of gauge pipe by test, realizes " explosion type " and purge in stopple coupon, just as bullet blast in gun barrel, flies out at a high speed.When concrete enforcement, in control system, purging that controller 1-2 has is the core of whole device, arrive when predetermined time, purge controller 1-2 to the first electromagnetism group valve 1-4, the second electromagnetism group valve 1-5, the 3rd electromagnetism group valve 1-6, the 4th electromagnetism group valve 1-7 energising, the first electromagnetism group valve 1-4, the second electromagnetism group valve 1-5 cut off gas circuit immediately, then the 3rd electromagnetism group valve 1-6, the 4th electromagnetism group valve 7 are opened gas circuit, pressurized air enters flowmeter pressure guiding pipe 1-9 through pressure maintaining valve 1-8, and the dust being deposited in flowmeter sampling mouth or pressure guiding pipe 1-9 is purged clean.Purging finish time period, purge controller 1-2 to the power-off of all solenoid valve groups, the 3rd electromagnetism group valve 1-6 and the 4th electromagnetism group valve 1-7 cut off the passage that pressurized air leads to flowmeter pressure guiding pipe 1-9, the first electromagnetism group valve 1-4 and the second electromagnetism group valve 1-5 open gas circuit, and the pressure signal of flowmeter pressure guiding pipe 1-9 recovers to be switched to differential pressure transmitter 1-3.
In the time that purging program starts, start immediately pneumoelectric isolation program and transmitter detection process, electricity output and the transmitter measuring circuit of isolating transmitter, avoid damaging transmitter, open respectively subsequently the 3rd electromagnetism group valve 1-6 and the 4th electromagnetism group valve 1-7, by discharging the energy storage of pressurized air piping, pressure samples device is cleaned by the pressurized air up to 0.45MPa at short notice, design release ratio is 900 times,, realizes explosion type and purges the gun barrel implode as bullet.The normal measurement that the purging of timing can keep dynamic and static pressure like this, prevents from stopping up.
The above, be only preferred embodiment of the present utility model and oneself, not the utility model done to any pro forma restriction.Although oneself discloses the utility model as above with preferred embodiment, but not in order to limit the utility model.Any those of ordinary skill in the art, do not departing from technical solutions of the utility model scope situation, all can utilize method and the technology contents of above-mentioned announcement to make many possible variations and modification to technical solutions of the utility model, or be revised as the equivalent embodiment of equivalent variations.Therefore, every content that does not depart from technical solutions of the utility model,, all still belongs in the scope of technical solutions of the utility model protection any simple modification made for any of the above embodiments, equivalent variations and modification according to technical spirit of the present utility model.
Claims (6)
1. a gun barrel formula Antichoking blast pressure sampler, comprise and measure body (1), pressure samples pipe (2), pipe collar (3), bushing joint (4), cutting ferrule active joint (5) and gauge pipe (6), it is characterized in that: also comprise control system (1-1), described control system (1-1) system is received flowmeter pressure guiding pipe (1-9), described flowmeter pressure guiding pipe (1-9) is connected with described gauge pipe (6), described pressure samples pipe (2) upwards 45 degree directions is welded on measurement body (1), and be connected with described bushing joint (4) by described pipe collar (3), described bushing joint (4) is connected with gauge pipe (6) by described cutting ferrule active joint (5).
2. according to a kind of gun barrel formula Antichoking blast pressure sampler described in claims 1, it is characterized in that: described control system (1-1) is made up of DCS control system (1-1), purging controller (1-2), differential pressure transmitter (1-3), the first electromagnetism group valve (1-4), the second electromagnetism group valve (1-5), the 3rd electromagnetism group valve (1-6), the 4th electromagnetism group valve (1-7), pressure maintaining valve (1-8) and flowmeter pressure guiding pipe (1-9).
3. according to a kind of gun barrel formula Antichoking blast pressure sampler described in claims 1, it is characterized in that: described pressure samples pipe (2) is
sampling screw thread short tube.
4. according to a kind of gun barrel formula Antichoking blast pressure sampler described in claims 1, it is characterized in that: described bushing joint (4) is 1/2--1/4 bushing joint.
5. according to a kind of gun barrel formula Antichoking blast pressure sampler described in claims 1, it is characterized in that: described cutting ferrule active joint (5) is
ferrule fitting.
6. according to a kind of gun barrel formula Antichoking blast pressure sampler described in claims 1, it is characterized in that: described gauge pipe (6) is 14*2 stainless steel gauge pipe.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420263318.4U CN203929457U (en) | 2014-05-22 | 2014-05-22 | A kind of gun barrel formula Antichoking blast pressure sampler |
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| CN201420263318.4U CN203929457U (en) | 2014-05-22 | 2014-05-22 | A kind of gun barrel formula Antichoking blast pressure sampler |
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| CN203929457U true CN203929457U (en) | 2014-11-05 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990646A (en) * | 2015-07-08 | 2015-10-21 | 合肥热电集团有限公司 | Heat energy meter pressure loss measurement device |
-
2014
- 2014-05-22 CN CN201420263318.4U patent/CN203929457U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104990646A (en) * | 2015-07-08 | 2015-10-21 | 合肥热电集团有限公司 | Heat energy meter pressure loss measurement device |
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