CN101862035A - Differential pressure air speed detection and control device - Google Patents
Differential pressure air speed detection and control device Download PDFInfo
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- CN101862035A CN101862035A CN200910030926A CN200910030926A CN101862035A CN 101862035 A CN101862035 A CN 101862035A CN 200910030926 A CN200910030926 A CN 200910030926A CN 200910030926 A CN200910030926 A CN 200910030926A CN 101862035 A CN101862035 A CN 101862035A
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- flowmeter
- differential pressure
- cut tobacco
- pipe tobacco
- control device
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Abstract
The invention relates to a differential pressure air speed detection and control device, which comprises an air-conveying de-dusting branch pipe, an electric (pneumatic) adjustment butterfly valve, a cut tobacco collecting box of a cigarette making machine, a cut tobacco conveying pipeline and a differential pressure flowmeter, and is characterized by also comprising a split type orifice flowmeter arranged on the air-conveying de-dusting branch pipe, wherein the differential pressure flowmeter is a split type venturi flowmeter and is arranged on the cut tobacco conveying pipeline, and the speed measuring pipe diameter of the venturi flowmeter gradually becomes small and then gradually becomes large. The invention eliminates the phenomena of cut tobacco retention, adhesion and blockage, is more suitable for detection of cut tobacco material flow in the cut tobacco conveying pipeline, and can maintain long-term operation of high-precision detection to ensure the effective operating ratio and reliability of a system.
Description
Technical field
The present invention relates to a kind ofly send the detection control apparatus of wind speed flow in the dedusting arm, relate in particular to a kind of differential pressure type air speed detection and control device pipe tobacco conveyance conduit and wind.
Background technology
Along with production of cigarettes requires serialization, air-transport system has become the indispensable device of domestic and international cigarette process production linearize.Facts have proved that strength is carried technology purposes such as can reaching loose, removal of impurities, cooling, dedusting in course of conveying.Because adopt Pneumatic type to carry, pipe tobacco moves in closed pipeline, tobacco dust just can not be dispersed into the workshop, destroys the work production environment in workshop.But, if improper to the design and use of whole air-transport system, higher as conveying air velocity, may cause the especially fibrous and foliated material fragmentation of some materials.The ZL200720038560.1 patent documentation discloses a kind of Pneumatic silk feeding system and has regulated stabilising arrangement, comprise controller, split type wedge shape flowmeter and be installed in cigarette machine wind and send electric control valve on the dedusting arm, split type wedge shape flowmeter is installed on the Pneumatic silk feeding machine end pipe tobacco conveyance conduit.Record each pipe tobacco conveyance conduit wind speed by the real-time air quantity size of direct detection pipe tobacco conveyance conduit, regulate corresponding cigarette machine wind and send the aperture of motorized adjustment butterfly valve on the dedusting arm, regulate control thereby reach each pipe tobacco conveyance conduit wind speed.
Technique scheme adopts split type wedge shape flowmeter to detect pipe tobacco conveyance conduit wind speed, does not detect cigarette machine wind and send dedusting arm wind speed, can not solve the cigarette machine tobacco collecting box, system pipeline leaks out to the influence of pipe tobacco transporting velocity.Split type wedge shape flowmeter wedge shape throttling element is contained in the pipe tobacco conveyance conduit, it is long-pending over half to occupy pipeline section, since wind when sending pipe tobacco in pipeline, be irregular movement, pipe tobacco directly clashes into the wedge shape throttling element and causes the pipe tobacco fragmentation, easily produces pipe tobacco delay, adhesion, clogging.Its major defect is that fluid is big through the drag losses of wedge shape throttling element, and just can reach after reality is failed to be sold at auction calmly the need that the flow accuracy High-Field closes, and the wedge shape flowmeter need regularly be proofreaied and correct.Therefore invent and a kind ofly can not produce bump and not make brokenly, be installed in pipe tobacco conveyance conduit apoplexy speed detector and seem particularly important pipe tobacco.
Summary of the invention
The present invention provides a kind of differential pressure type air speed detection and control device in order to overcome the above problems, this device can not produce bump to pipe tobacco and make broken, under the fortuitous event that system pipeline leaks out, appoint so can the air quantity in pipe tobacco conveyance conduit and the wind speed cleaning shaft to be control effectively, improved product quality and production efficiency.
Technical scheme of the present invention is: a kind of differential pressure type air speed detection and control device, include wind and send dedusting arm, moving butterfly valve, cigarette machine tobacco collecting box, pipe tobacco conveyance conduit and the differential pressure flowmeter regulated of electricity (gas), it is characterized in that: also include split type orifice flowmeter, split type orifice flowmeter is installed in wind and send on the dedusting arm; Described differential pressure flowmeter is a separate type venturi tube formula flowmeter, is installed on the pipe tobacco conveyance conduit, and the caliber that tests the speed of separate type venturi tube formula flowmeter is for becoming big gradually after diminishing gradually earlier.
Described split type orifice flowmeter is made up of a split type orifice flowmeter pressure measurement assembly and a differential pressure pick-up.
Described separate type venturi tube formula flowmeter is made up of a separate type venturi tube formula flowmeter pressure measurement assembly and a differential pressure pick-up.
Advantage of the present invention is: the present invention send dedusting arm air quantity to compare finishing by the wind that detects pipe tobacco conveyance conduit air quantity and be connected with detected cigarette machine tobacco collecting box, regulate cigarette machine wind and send the aperture of motorized adjustment butterfly valve on the dedusting arm, regulate the control of stablizing pipe tobacco actual fed speed thereby reach.Adopt separate type venturi tube formula flowmeter, the caliber that will test the speed is made earlier to dwindle gradually then to make again gradually and is enlarged, reduced the drag losses when negative pressure wind flows through greatly, pipe tobacco delay, adhesion, clogging have been stopped, adapt to the detection of pipe tobacco material flow in the pipe tobacco conveyance conduit more, and can keep high accuracy and detect long-time running, to guarantee the effective operation ratio and the reliability of system.
Description of drawings
Fig. 1 is a structural representation of the present invention
1 is that wind send the dedusting arm among the figure, the 2nd, and split type orifice flowmeter pressure measurement assembly, moving butterfly valve, the 4th, cigarette machine tobacco collecting box, the 5th, pipe tobacco conveyance conduit, the 6th, separate type venturi tube formula flowmeter pressure measurement assembly, the 7th, the differential pressure pick-up regulated of 3 electricity (gas).
Fig. 2 is that Wen's tubular type flow measurement is pressed the modular construction schematic diagram
6 is separate type venturi tube formula flowmeter pressure measurement assemblies among the figure, the 8th, and pipe tobacco air fluid-mixing.
The specific embodiment
A kind of differential pressure type air speed detection and control device, include wind and send dedusting arm 1, moving butterfly valve 3, cigarette machine tobacco collecting box 4, pipe tobacco conveyance conduit 5 and the differential pressure flowmeter regulated of electricity (gas), differential pressure flowmeter is a separate type venturi tube formula flowmeter, is made up of a separate type venturi tube formula flowmeter pressure measurement assembly 6 and a differential pressure pick-up 7; Also include split type orifice flowmeter, split type orifice flowmeter is made up of a split type orifice flowmeter pressure measurement assembly 2 and a differential pressure pick-up 7.When actual motion, when cigarette machine tobacco collecting box 4 needs pipe tobacco, the jettron butterfly valve that it carries is opened, system's negative pressure wind enters pipe tobacco conveyance conduit 5 from Pneumatic type wire distribution machine suction pipe tobacco, separate type venturi tube formula flowmeter on the pipe tobacco conveyance conduit 5 begins to detect the air quantity size in the pipe tobacco conveyance conduit 5, while wind send the split type orifice flowmeter on the dedusting arm 1 to begin to detect wind and send the size of the air quantity in the dedusting arm 1, the air quantity that compares two test points by controller, at confirming cigarette machine tobacco collecting box 4, behind the inleakage of pipe tobacco conveyance conduit 5, carry out the parameter correction, adjusting cigarette machine wind then send the electricity (gas) on the dedusting arm 1 moving aperture of regulating butterfly valve 3, air quantity in the pipeline is accurately controlled, guarantee that the pipe tobacco transporting velocity is in range of set value, this device detects accurately, air quantity in stable equilibrium's pipeline rapidly, simultaneously not only because the caliber that tests the speed of separate type venturi tube formula flowmeter pressure measurement assembly 6 is made earlier to dwindle gradually then but also make gradually enlarges, reduced the drag losses when negative pressure wind flows through greatly, the pipeline section that tests the speed is excessively level and smooth, flow through this Duan Buhui of pipe tobacco air fluid-mixing 8 produces pipe tobacco and is detained, adhesion, clogging, thus guaranteed the long-term highly reliable high accuracy operation of differential pressure type air speed detection and control device.
Claims (3)
1. differential pressure type air speed detection and control device, include wind and send dedusting arm, moving butterfly valve, cigarette machine tobacco collecting box, pipe tobacco conveyance conduit and the differential pressure flowmeter regulated of electricity (gas), it is characterized in that: also include split type orifice flowmeter, split type orifice flowmeter is installed in wind and send on the dedusting arm; Described differential pressure flowmeter is a separate type venturi tube formula flowmeter, is installed on the pipe tobacco conveyance conduit, and the caliber that tests the speed of separate type venturi tube formula flowmeter is for becoming big gradually after diminishing gradually earlier.
2. a kind of differential pressure type air speed detection and control device according to claim 1 is characterized in that: described split type orifice flowmeter is made up of a split type orifice flowmeter pressure measurement assembly and a differential pressure pick-up.
3. a kind of differential pressure type air speed detection and control device according to claim 1 is characterized in that: described separate type venturi tube formula flowmeter is made up of a separate type venturi tube formula flowmeter pressure measurement assembly and a differential pressure pick-up.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910030926A CN101862035A (en) | 2009-04-20 | 2009-04-20 | Differential pressure air speed detection and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910030926A CN101862035A (en) | 2009-04-20 | 2009-04-20 | Differential pressure air speed detection and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101862035A true CN101862035A (en) | 2010-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910030926A Pending CN101862035A (en) | 2009-04-20 | 2009-04-20 | Differential pressure air speed detection and control device |
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| CN (1) | CN101862035A (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630172A (en) * | 2013-11-06 | 2014-03-12 | 苏州华达仪器设备有限公司 | Air quantity testing system |
| CN104457863A (en) * | 2014-12-11 | 2015-03-25 | 衡阳三力高科技开发公司 | Method and wire pipe air speed flow meter for measuring air speeds on wire feeding pipelines |
| CN105035771A (en) * | 2015-08-14 | 2015-11-11 | 北京华清茵蓝科技有限公司 | Pneumatic powder conveying flow rate adjusting device with adjustable unilateral baffle |
| CN105865550A (en) * | 2016-06-12 | 2016-08-17 | 中国计量科学研究院 | Gas spray pipe flow measuring device capable of online calibration |
| CN109969794A (en) * | 2019-04-30 | 2019-07-05 | 北京长峰金鼎科技有限公司 | A kind of powder negative-pressure conveying system and method |
| CN111299135A (en) * | 2020-03-20 | 2020-06-19 | 杭州千耘贸易有限公司 | Power station boiler pulverized coal conveying pipe capable of detecting and removing large-particle pulverized coal |
| CN113110627A (en) * | 2021-04-28 | 2021-07-13 | 北京航空航天大学 | High-precision, high-reliability and quick-response adjustable venturi |
| CN113879850A (en) * | 2021-11-03 | 2022-01-04 | 山东联达制药有限公司 | Intelligent medicine material transferring method and transferring device |
-
2009
- 2009-04-20 CN CN200910030926A patent/CN101862035A/en active Pending
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103630172A (en) * | 2013-11-06 | 2014-03-12 | 苏州华达仪器设备有限公司 | Air quantity testing system |
| CN104457863A (en) * | 2014-12-11 | 2015-03-25 | 衡阳三力高科技开发公司 | Method and wire pipe air speed flow meter for measuring air speeds on wire feeding pipelines |
| CN105035771A (en) * | 2015-08-14 | 2015-11-11 | 北京华清茵蓝科技有限公司 | Pneumatic powder conveying flow rate adjusting device with adjustable unilateral baffle |
| CN105865550A (en) * | 2016-06-12 | 2016-08-17 | 中国计量科学研究院 | Gas spray pipe flow measuring device capable of online calibration |
| CN105865550B (en) * | 2016-06-12 | 2021-12-07 | 中国计量科学研究院 | Gas jet velocity pipe flow measuring device capable of being calibrated on line |
| CN109969794A (en) * | 2019-04-30 | 2019-07-05 | 北京长峰金鼎科技有限公司 | A kind of powder negative-pressure conveying system and method |
| CN111299135A (en) * | 2020-03-20 | 2020-06-19 | 杭州千耘贸易有限公司 | Power station boiler pulverized coal conveying pipe capable of detecting and removing large-particle pulverized coal |
| CN111299135B (en) * | 2020-03-20 | 2020-10-16 | 山西大唐国际神头发电有限责任公司 | Power station boiler pulverized coal conveying pipe capable of detecting and removing large-particle pulverized coal |
| CN113110627A (en) * | 2021-04-28 | 2021-07-13 | 北京航空航天大学 | High-precision, high-reliability and quick-response adjustable venturi |
| CN113879850A (en) * | 2021-11-03 | 2022-01-04 | 山东联达制药有限公司 | Intelligent medicine material transferring method and transferring device |
| CN113879850B (en) * | 2021-11-03 | 2022-05-03 | 山东联达制药有限公司 | Intelligent medicine material transferring method and transferring device |
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20101020 |