CN102295167A - Fluidized suction nozzle device for negative-pressure pneumatic ship unloading device - Google Patents
Fluidized suction nozzle device for negative-pressure pneumatic ship unloading device Download PDFInfo
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- CN102295167A CN102295167A CN2011101375097A CN201110137509A CN102295167A CN 102295167 A CN102295167 A CN 102295167A CN 2011101375097 A CN2011101375097 A CN 2011101375097A CN 201110137509 A CN201110137509 A CN 201110137509A CN 102295167 A CN102295167 A CN 102295167A
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Abstract
The invention discloses a fluidized suction nozzle device for a negative-pressure pneumatic ship unloading device. The fluidized suction nozzle device comprises a cylindrical shell, wherein air inlet pipes communicated with one another are arranged on the lateral wall of the shell; a butterfly valve is arranged at each air inlet of the air inlet pipes respectively; a bracket is arranged on the periphery of the annular wall of the shell; a four-way joint and a plurality of tee joints are communicated with one another and enclosed on the periphery of the upper part of the shell, and are arranged on the bracket; an air inlet hose is communicated with the upper joint of the four-way joint; steel pipes are communicated with the lower joint of the four-way joint and lower joints of the three-way joints respectively; transversely arranged fluidized pipes are communicated with the bottom parts of the steel pipes respectively; adjacent fluidized pipes are connected in an end-to-end mode and form an annular pipe, and the annular pipe is enclosed on the part of a suction nozzle on the lower part of the shell; and a plurality of air outlet pores are formed on each fluidized pipe respectively. The fluidized suction nozzle device has a relatively simple structure, long service life and convenience in maintenance, as well as lighter weight compared with a mechanical fluidizing device.
Description
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Technical field:
The present invention relates generally to negative pressure strength cargo unloader field, relates in particular to a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader.
Background technology:
Negative pressure strength cargo unloader belongs to a kind of of pneumatic transport equipment.The comformability that pneumatic conveying mode has material is good, and fed distance is far away; Non-secondary pollution; The transfer line flexible arrangement, floor area is few, and material can be delivered to zones of different, also can concentrate from several different places to one; Mechanical transmission component is few, and is simple in structure, convenient operation and management, and few easy workout part, service expenditure is low; Total system easily is automated control, but continuous monitor system running condition advantages such as (as pressure, bulk cargo operational throughpuies etc.).Simultaneously, because the raising of national requirements for environmental protection, the market of pneumatic conveying mode can be increasing.
Negative pressure strength cargo unloader is mainly used in carries some powder and granule shape materials, such as, cement, fly ash, coal dust, wheat, corn etc.Yet, in many unit operations of powder technology, faults such as material knot arch, obstruction often take place, especially in the cement mill, various powder material warehouses often have and stop up and the knot doming effect, in the time of seriously even can disturb ordinary production.Because the characteristic that has of powder and granule shape material itself addresses the above problem when being difficult in technology and device design fully, so people have carried out a large amount of research for many years,, for example knock automatically, rapping and air bubble etc. in the hope of the method for finding out.But which kind of method all can not thoroughly solve unusual materials flow phenomenon.Through on-the-spot observation analysis, the key of this problem that is resolved is the fluidization of material.Fluidization is meant to have the flow property of similar fluid state thereby make solid powder and granule shape material and gas fully contact mixing.Usually, because the material that strength is carried mostly is the fine powder particle, so what material was piled up in feed bin is all more intensive solid, the suction nozzle of negative pressure strength cargo unloader just must adopt a kind of aerated flow device to make the powder material aerated flow when suction like this, thereby powder material is sucked expeditiously by suction nozzle, by delivery duct, the final suction delivered to the destination then.Traditional aerated flow device all adopts mechanical type loosening basically, utilizes mechanical agitation to become flexible material.As a sprocket wheel is installed, the fixing some rotary vanes of sprocket wheel one circle on suction nozzle.Sprocket wheel is driven by the electric motor drive that is installed on the suction nozzle, utilizes chain sprocket drive to drive blade and carries out the loosening of material.At present some external equipment mostly are to have one deck can rotating cylinder in the suction nozzle outside, and some outstanding blades are arranged on the cylinder.The employing HM Hydraulic Motor is also arranged in addition, and by the gear transmission rotating cylinder, the blade on the cylinder stirs again piles up abundant powder.
By finding to adopt the drawback of this method many to the investigation of existing installation, because the working environment of suction nozzle generally all compares badly, the place of being in transmission connection has dust granules to infiltrate inevitably, the result who finally causes is that the mechanical device part just is easy to be worn so that destroy, and has so just had a strong impact on the production efficiency of cargo unloader; Also to as electrical motor, so just increase the deadweight of suction nozzle and the complexity of this body structure for mechanical device in addition, the most important thing is to have increased energy consumption for it provides special engine installation.
Summary of the invention:
The object of the invention is exactly in order to remedy the defective of prior art, a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader to be provided, and it has reduced energy consumption, has reduced the weight of suction nozzle.
The present invention is achieved by the following technical solutions:
A kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader, include the housing of tubular, the sidewall of described housing is provided with the blast pipe that is interconnected, the ventilation inlet position of described blast pipe is separately installed with butterfly valve, it is characterized in that: the ring wall periphery of described housing is provided with support, described support is provided with a four-way and the some threeways that is interconnected and is looped around periphery, housing top, the last interface of described four-way is communicated with the air intake flexible pipe, the lower interface of described four-way and threeway is communicated with steel pipe respectively, the bottom of described steel pipe is communicated with horizontal fluidisation pipe respectively, adjacent fluidisation pipe is interconnected from beginning to end and forms ring pipe, described ring pipe is looped around the suction nozzle oral area position of lower housing portion, is respectively equipped with some exhaust vents on the described fluidisation pipe.
Described a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader, it is characterized in that: include Roots vaccum pump, the exhausr port of described Roots vaccum pump is communicated with freeing pipe outward, and freeing pipe is provided with silencer and flow control valve; Described air intake flexible pipe inserts the position between exhausr port and silencer on the freeing pipe.
Described a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader, it is characterized in that: described threeway includes five.
Described a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader, it is characterized in that: described fluidisation pipe is to be entwined by the steel pipe that is provided with some exhaust vents, steel wire and wire net.
Described a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader, it is characterized in that: described steel pipe is connected by the taper movable joint with the fluidisation pipe.
The present invention is more shallow because of the degree of depth that the suction nozzle mouth inserts material, so can pile up the size that abundant degree is suitably regulated suction quantity according to powder, reasonably carries out the fluidisation of powder material.Therefore the source of the gas required pressure is very low, gas consumption seldom, its used source of the gas can reach the purpose of energy-saving and emission-reduction so directly from the Roots vaccum pump of air-transport system outfit itself or the exhausr port of compressor.Major part of the present invention is to be distributed in suction nozzle mouth porous fluidisation rod on every side, i.e. fluidisation pipe.
Connect an elongated air intake flexible pipe that has an exit skirt shape on the freeing pipe between Roots's vaccum exhaust outlet and silencer, be used to receive the waste gas that Roots vaccum pump is discharged, the other end of air intake flexible pipe directly links to each other with the last interface of four-way.In order to make waste gas can successfully enter the air intake flexible pipe, a flow control valve also is installed on the freeing pipe of Roots vaccum pump, successfully realize the flow regulating of fluidizing gas by the openings of sizes of regulating this valve.
Because control position of the present invention all needs to change so that the suction nozzle mouth can be drawn into the material of different azimuth usually, tracheae at the joint of suction nozzle must be a flexible pipe like this, make it can adapt to the motion of suction nozzle, but the resistance to abrasion deficiency of the flexible pipe of considering, and the suction nozzle notch portion must be followed the material contact friction continually, the shift position, certainly will cause the flexible pipe wearing and tearing like this, gas in causing managing produces and leaks, influence work efficiency of the present invention, so, the present invention converts flexible pipe to six roots of sensation steel pipe by four-way connection and T-pipe joint, six roots of sensation steel pipe be evenly distributed in the suction nozzle mouth around, by these conversions one original air-flow is divided into six strands.(during work this part insert usually powder material in the middle of) bottom at suction nozzle is integrated into the six roots of sensation air inlet pipe around the suction nozzle in the annular ring again.Annular ring herein is made up of six sections porous fluidisation bar structures, be connected with six roots of sensation steel pipe between six sections porous fluidisation rods, be similarly a bit of mesh structural porous fluidisation bar structure in the bottom of every steel pipe, do like this and just reached the gas that to send into and be distributed in purpose around the suction nozzle equably.
Porous fluidisation rod is to have brill to be made by steel pipe, steel wire, the wire net winding of some apertures.Before suction nozzle is started working, open flow control valve, allow the present invention under light condition, work a period of time earlier, and then gently bottom of the present invention is inserted in the middle of the material, the aperture of reasonably regulating flow valve according to the airborne dust degree of on-the-spot material is to reach that suction nozzle can full out aspirate material and the phenomenon that do not produce airborne dust.Only need the present invention is lifted in the blocked back of tide at powder material, being allowed to condition at unloaded exhaust a period of time following can blow and lead to porous fluidisation rod.
When the powder material of chiseling property of mill was sent in suction, in order to improve the service life of suction nozzle, the interior cover solid drawn pipe of band fluidization equipment suction nozzle adopted the wear-resisting solid drawn pipe of liner diamond spar, jet hole build-up wear-resistant welding rod.
The discharging opening on housing top links to each other with Material pipeline by flange.Described butterfly valve is manual butterfly valve, and manually butterfly valve is connected the ventilation inlet position of housing upper blast pipe by flange, is mainly used to regulate the size of intake to adapt to the delivery speed of material; Four-way be used for connecting air induction hose and the cooperation by six segment India rubber tubes and threeway with the gas uniform distribution around the suction nozzle mouth of bottom of the present invention, because porous fluidisation pipe belongs to easy consumable accessories, so adopted the taper movable joint here so that repair demolition and installation; The present invention is when work, and long-time the contact with powder material easily of its part near inlet point worn and torn, so adopted welded steel pipe to come the transport stream oxidizing gases here.
Description of drawings:
Fig. 1 is a structural representation of the present invention.
Fig. 2 is a system layout structural representation of the present invention.
The specific embodiment:
Referring to accompanying drawing.
A kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader, include the housing 1 of tubular, the sidewall of described housing 1 is provided with the blast pipe 2 that is interconnected, the ventilation inlet position of described blast pipe 2 is separately installed with butterfly valve 3, the ring wall periphery of housing 1 is provided with support 4, described support 4 is provided with a four-way 5 and five threeways 6 that are interconnected and are looped around periphery, housing 1 top, the last interface of described four-way 5 is communicated with air intake flexible pipe 7, the lower interface of described four-way 5 and threeway 6 is communicated with steel pipe 8 respectively, the bottom of described steel pipe 8 is communicated with horizontal fluidisation pipe 10 by taper movable joint 9 respectively, adjacent fluidisation pipe 10 head and the tail are interconnected and form ring pipe, described ring pipe is looped around the suction nozzle oral area position of housing 1 bottom, is respectively equipped with some exhaust vents on the described fluidisation pipe 10.Fluidisation pipe 10 is to be entwined by the steel pipe that is provided with some exhaust vents, steel wire and wire net.
Include Roots vaccum pump 11, the exhausr port of described Roots vaccum pump 11 is communicated with freeing pipe 12 outward, and freeing pipe 12 is provided with silencer 13 and flow control valve 14; Described air intake flexible pipe 7 inserts the position between exhausr port and silencer 13 on the freeing pipe 12.
Claims (5)
1. fluidization nozzle unit that is used on the negative pressure strength cargo unloader, include the housing of tubular, the sidewall of described housing is provided with the blast pipe that is interconnected, the ventilation inlet position of described blast pipe is separately installed with butterfly valve, it is characterized in that: the ring wall periphery of described housing is provided with support, described support is provided with a four-way and the some threeways that is interconnected and is looped around periphery, housing top, the last interface of described four-way is communicated with the air intake flexible pipe, the lower interface of described four-way and threeway is communicated with steel pipe respectively, the bottom of described steel pipe is communicated with horizontal fluidisation pipe respectively, adjacent fluidisation pipe is interconnected from beginning to end and forms ring pipe, described ring pipe is looped around the suction nozzle oral area position of lower housing portion, is respectively equipped with some exhaust vents on the described fluidisation pipe.
2. a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader according to claim 1, it is characterized in that: include Roots vaccum pump, the exhausr port of described Roots vaccum pump is communicated with freeing pipe outward, and freeing pipe is provided with silencer and flow control valve; Described air intake flexible pipe inserts the position between exhausr port and silencer on the freeing pipe.
3. a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader according to claim 1, it is characterized in that: described threeway includes five.
4. a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader according to claim 1, it is characterized in that: described fluidisation pipe is to be entwined by the steel pipe that is provided with some exhaust vents, steel wire and wire net.
5. a kind of fluidization nozzle unit that is used on the negative pressure strength cargo unloader according to claim 1, it is characterized in that: described steel pipe is connected by the taper movable joint with the fluidisation pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101375097A CN102295167A (en) | 2011-05-26 | 2011-05-26 | Fluidized suction nozzle device for negative-pressure pneumatic ship unloading device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101375097A CN102295167A (en) | 2011-05-26 | 2011-05-26 | Fluidized suction nozzle device for negative-pressure pneumatic ship unloading device |
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| Publication Number | Publication Date |
|---|---|
| CN102295167A true CN102295167A (en) | 2011-12-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101375097A Pending CN102295167A (en) | 2011-05-26 | 2011-05-26 | Fluidized suction nozzle device for negative-pressure pneumatic ship unloading device |
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| CN (1) | CN102295167A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276329A (en) * | 2016-10-09 | 2017-01-04 | 江苏万达丰重工机械有限公司 | Spiral hopper |
| CN112695347A (en) * | 2020-12-18 | 2021-04-23 | 贵阳铝镁设计研究院有限公司 | Pneumatic scraping suction nozzle for aluminum |
| CN113291875A (en) * | 2021-06-21 | 2021-08-24 | 南通润邦重机有限公司 | Suction nozzle capable of automatically stretching and adjusting air port and control method |
| CN115180412A (en) * | 2022-07-14 | 2022-10-14 | 贵州高点科技有限公司 | Pneumatic injection stirring suction nozzle |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0366104A2 (en) * | 1988-10-26 | 1990-05-02 | Richard Kisilowski | Conveyor device in the shape of a dispatch station for a pulverulent or powdery material |
| CN2260075Y (en) * | 1996-07-04 | 1997-08-20 | 易乃惠 | Sectional type suction and conveying machine at negative pressure |
| CN2797293Y (en) * | 2005-06-09 | 2006-07-19 | 诸暨市蓝天非金属工艺研究所 | Cyclone bulk material suction nozzle |
| WO2009131458A1 (en) * | 2008-04-25 | 2009-10-29 | Andca As | A method of pumping, a construction for a pump and applications thereof |
| CN202130886U (en) * | 2011-05-26 | 2012-02-01 | 合肥水泥研究设计院 | Fluidized suction nozzle device for negative-pressure pneumatic ship unloading device |
-
2011
- 2011-05-26 CN CN2011101375097A patent/CN102295167A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0366104A2 (en) * | 1988-10-26 | 1990-05-02 | Richard Kisilowski | Conveyor device in the shape of a dispatch station for a pulverulent or powdery material |
| CN2260075Y (en) * | 1996-07-04 | 1997-08-20 | 易乃惠 | Sectional type suction and conveying machine at negative pressure |
| CN2797293Y (en) * | 2005-06-09 | 2006-07-19 | 诸暨市蓝天非金属工艺研究所 | Cyclone bulk material suction nozzle |
| WO2009131458A1 (en) * | 2008-04-25 | 2009-10-29 | Andca As | A method of pumping, a construction for a pump and applications thereof |
| CN202130886U (en) * | 2011-05-26 | 2012-02-01 | 合肥水泥研究设计院 | Fluidized suction nozzle device for negative-pressure pneumatic ship unloading device |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106276329A (en) * | 2016-10-09 | 2017-01-04 | 江苏万达丰重工机械有限公司 | Spiral hopper |
| CN106276329B (en) * | 2016-10-09 | 2018-11-23 | 江苏万达丰重工机械有限公司 | spiral hopper |
| CN112695347A (en) * | 2020-12-18 | 2021-04-23 | 贵阳铝镁设计研究院有限公司 | Pneumatic scraping suction nozzle for aluminum |
| CN113291875A (en) * | 2021-06-21 | 2021-08-24 | 南通润邦重机有限公司 | Suction nozzle capable of automatically stretching and adjusting air port and control method |
| CN113291875B (en) * | 2021-06-21 | 2022-12-20 | 南通润邦重机有限公司 | Suction nozzle capable of automatically stretching and adjusting air port and control method |
| CN115180412A (en) * | 2022-07-14 | 2022-10-14 | 贵州高点科技有限公司 | Pneumatic injection stirring suction nozzle |
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Application publication date: 20111228 |