CN201444913U - Differential pressure-type wind speed detection and control device - Google Patents
Differential pressure-type wind speed detection and control device Download PDFInfo
- Publication number
- CN201444913U CN201444913U CN2009200408176U CN200920040817U CN201444913U CN 201444913 U CN201444913 U CN 201444913U CN 2009200408176 U CN2009200408176 U CN 2009200408176U CN 200920040817 U CN200920040817 U CN 200920040817U CN 201444913 U CN201444913 U CN 201444913U
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- flowmeter
- differential pressure
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- split
- shredded tobacco
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Abstract
The utility model relates to a differential pressure-type wind speed detection and control device. The device comprises an air-assisted dust removing branch pipe, an electric or pneumatic adjusting butterfly valve, a shredded tobacco collecting box of cigarette making machine, a shredded tobacco conveying pipeline and a differential pressure flowmeter. The device is characterized in that a split-type orifice flowmeter is further included; the split-type orifice flowmeter is mounted on the air-assisted dust removing branch pipe; the differential pressure flowmeter adopts a split-type venturi flowmeter and is mounted on the shredded tobacco conveying pipeline; and the diameter of a speed measuring pipe of the split-type venturi flowmeter diminishes gradually to a certain degree and increases gradually. The utility model eliminates the phenomena of retention, conglutination and blockage of shredded tobacco, is more suitable for the detection of shredded tobacco material flow in the shredded tobacco conveying pipeline, and can keep long-term high-precision detection, so as to ensure the effective operation ratio and reliability of the system.
Description
Technical field
The utility model relates to and a kind ofly send the detection control apparatus of wind speed flow in the dedusting arm to pipe tobacco conveyance conduit and wind, relates in particular to a kind of differential pressure type air speed detection and control device.
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.
The utility model content
The utility model 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.
The technical solution of the utility model is: the differential pressure type air speed detection and control device, include wind and send dedusting arm, electricity or pneumatic adjusting butterfly valve, cigarette machine tobacco collecting box, pipe tobacco conveyance conduit and differential pressure flowmeter, 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.
The utility model has the advantages that: the utility model 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, stopped the pipe tobacco delay, adhesion, clogging, 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 utility model.
1 is that wind send the dedusting arm among the figure, the 2nd, and split type orifice flowmeter pressure measurement assembly, the 3rd, electricity or pneumatic adjusting 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, differential pressure pick-up.
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
The differential pressure type air speed detection and control device, include wind and send dedusting arm 1, electricity or pneumatic adjusting butterfly valve 3, cigarette machine tobacco collecting box 4, pipe tobacco conveyance conduit 5 and differential pressure flowmeter, 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 3 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 on the dedusting arm 1 or moves the 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, electricity or pneumatic adjusting butterfly valve, cigarette machine tobacco collecting box, pipe tobacco conveyance conduit and differential pressure flowmeter, 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. 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. 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 |
|---|---|---|---|
| CN2009200408176U CN201444913U (en) | 2009-04-20 | 2009-04-20 | Differential pressure-type wind speed detection and control device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200408176U CN201444913U (en) | 2009-04-20 | 2009-04-20 | Differential pressure-type wind speed detection and control device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201444913U true CN201444913U (en) | 2010-05-05 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200408176U Expired - Fee Related CN201444913U (en) | 2009-04-20 | 2009-04-20 | Differential pressure-type wind speed detection and control device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201444913U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314403A (en) * | 2014-07-31 | 2016-02-10 | 埃德尔过滤技术有限公司 | Method for conveying tobaccos |
-
2009
- 2009-04-20 CN CN2009200408176U patent/CN201444913U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105314403A (en) * | 2014-07-31 | 2016-02-10 | 埃德尔过滤技术有限公司 | Method for conveying tobaccos |
| CN105314403B (en) * | 2014-07-31 | 2019-04-16 | 埃德尔过滤技术有限公司 | Method for conveying tobacco |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20130420 |