CN202296211U - Drum vortex machine, bulk material suction system and ship unloading equipment - Google Patents
Drum vortex machine, bulk material suction system and ship unloading equipment Download PDFInfo
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- CN202296211U CN202296211U CN2011200568416U CN201120056841U CN202296211U CN 202296211 U CN202296211 U CN 202296211U CN 2011200568416 U CN2011200568416 U CN 2011200568416U CN 201120056841 U CN201120056841 U CN 201120056841U CN 202296211 U CN202296211 U CN 202296211U
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Abstract
The utility model relates to a drum vortex machine, a bulk material suction system and ship unloading equipment. The drum vortex machine comprises a vortex worm which is divided into a first worm segment and a second worm segment and is provided with a core shaft and vortex impellers disposed on the core shaft, a first drum housing disposed around the first worm segment, and a second drum housing surrounding the outer side of the first drum housing and being disposed at one end of the first drum housing, with the end near the inlet side of the drum vortex machine. The tail end edges of the vortex impellers on the first worm segment are connected with the inner wall of the first drum housing so that the inner wall, the outer surface of the core shaft and the vortex impellers form a spiral conveying space; the inner wall of the second drum housing is separated from the tail ends of the vortex impellers on the second worm segment; and, when being driven by a driving device, the first drum housing drives the vortex worm to rotate synchronously. The utility model also provides the bulk material suction system comprising the drum vortex machine and a cleaning pump. The utility model also provides the ship unloading equipment comprising the bulk material suction system.
Description
Technical field
The utility model relates to a kind of diffusing handler, relates in particular to the rotating cylinder scroll machine that is used for bulk cargo and carries, bulk cargo suction system and the ship unloading equipment that uses this rotating cylinder scroll machine.
Background technology
At present, be used at the harbour, the handling equipment of harbour and transfer barge powder grain material in bulk (cement, fly ash, grain, coal, loose unpacked materials such as breeze) mainly comprise:
1, but U.S. Fuller Co., Italy Wa Ke company etc. are the negative pressure-pumping equipment of representative.Its major technique characteristics are: as source of the gas, will then through dust collector, accomplish gas solid separation than in the granule powder upstream line, to reach the convey materials and the purpose at the clear end with roots blower.This mode energy consumption is high, efficient is low, noise is big, operational throughput is little.
2, be the screw ship unloader (referring to US4020953) of representative with Sweden BMH company.Screw ship unloader comprises: the vortex impeller that welds on the rotation mandrel; With bearings at both ends and the fixing static urceolus of middle suspension bearing, wherein, the rotation mandrel rotates in static urceolus, and material is transferred via the rotation of vortex impeller.In the practical application, several problems below this screw ship unloader exists: 1. imbed operation in the powder material with middle bearing owing to get material position bearing, existing packing technique satisfied not under the situation of seal request of bearing, the service life of bearing is very low.2. because the drawing-in device of this screw ship unloader adopts the rigid body rotation; When the scope of operation has 0.5 meter left and right sides from the bottom,, can only lean on alternate manner for preventing and the bottom rigid collision; For example forklift and manual work; Realization is brought down stocks or clear end operation, and the time of bringing down stocks often accounts for whole loosing and unloads about 1/2 of production time, and this has significantly reduced the efficient of unloading a ship.3. in the real-world operation, material particles is stuck in the gap between vortex impeller tip and the static urceolus easily, and this not only makes material breakage or equipment crash easily, and has increased the particle diameter selection to material, thereby greatly reduces equipment Applicable scope.
The utility model content
The purpose of the utility model provides a kind of rotating cylinder scroll machine, a kind of bulk cargo suction system and a kind of ship unloading equipment, to improve the efficient that bulk cargo carries and to cut down the consumption of energy.
Said rotating cylinder scroll machine comprises: the first vortex worm screw; Have first mandrel and be fixedly installed on the first vortex impeller on first mandrel; The first vortex worm screw comprises the first worm screw section and the second worm screw section, and the material taking mouth of the first vortex impeller is arranged on the second worm screw section; First circular cylindrical shell is provided with around the first worm screw section; Second circular cylindrical shell, second circular cylindrical shell is around the arranged outside of first circular cylindrical shell end near the entrance side of rotating cylinder scroll machine at first circular cylindrical shell, and second circular cylindrical shell extends beyond the part of first circular cylindrical shell around the second worm screw section; First anchor fitting, said first anchor fitting rotatably keeps first circular cylindrical shell; Second anchor fitting, said second anchor fitting rotatably keeps second circular cylindrical shell; First actuating device, said first actuating device drive said first circular cylindrical shell rotation; And second actuating device; Said second actuating device drives said second circular cylindrical shell with respect to the said first circular cylindrical shell contrarotation, wherein: the terminal edge of the first vortex impeller on the first worm screw section and the inwall of said first circular cylindrical shell engage between the outside face of said inwall, said first mandrel and the first vortex impeller, to form the first helical feed space regularly; The space from end of the first vortex impeller on the inwall of second circular cylindrical shell and the second worm screw section is opened; And first circular cylindrical shell drives the said first vortex worm screw and rotates synchronously in by the first actuating device driven in rotation.
Advantageously, be formed centrally the hollow structure that extends along its longitudinal axis in said first mandrel, said hollow structure is one side closed rotating cylinder scroll machine inlet, forms vacuum in the said hollow structure; And also be provided with a plurality of air extractor vents on said first mandrel; Each air extractor vent all fluid is communicated with the formed helical duct of the first vortex impeller on said hollow structure and the said first helical feed space or the second worm screw section, and air extractor vent is arranged and/or air extractor vent is arranged along said helical duct spiral at the opening at said helical duct place along the first helical feed spatially spiral at the opening at first helical feed space place.
Advantageously, the opening at place, the first helical feed space and/or the opening at helical duct place are provided with first filtering installation.
Advantageously; Under the situation that the first vortex worm screw is vertically placed; The first vortex impeller comprises along the end face cross section that is parallel to the longitudinal axis of first mandrel: camber line on recessed first; Camber line starts from the end of the first vortex impeller on said first, terminates in point on first on the outside face of first mandrel; First time camber line; Said first time camber line starts from the end of the first vortex impeller; Terminate in first time point on the outside face of first mandrel; Below point on said first, wherein said first time camber line comprises at the above first time point of longitudinal direction of first mandrel: first section rotating cylinder scroll machine camber line, and the end and the center of curvature that start from the first vortex impeller are above first time camber line; With second section rotating cylinder scroll machine camber line that first section rotating cylinder scroll machine camber line smoothly joins, terminate in said first time point, and the center of curvature of second section rotating cylinder scroll machine camber line is below first time camber line.
Advantageously, the conveying space volume at least one section first helical feed space diminishes on the working direction of material gradually.Further, realize that through the pitch that reduces the first vortex impeller conveying space volume at least one section first helical feed space diminishes gradually.
Advantageously, the second worm screw section is extended the distance of at least two helical pitch of said first circular cylindrical shell; And the inwall of second circular cylindrical shell is provided with the inside vortex impeller, and said inside vortex impeller is given prominence to along the helical duct spiral extension of the formation of the first helicallobe vortex impeller on the second worm screw section and towards said helical duct.
Advantageously, the rotating speed of second circular cylindrical shell is greater than the rotating speed of first circular cylindrical shell.
Advantageously; Constitute bleed-off passage between the inwall of said first circular cylindrical shell near the outer wall of the part of the second worm screw section and relative said second circular cylindrical shell; Said bleed-off passage is communicated with extraneous vacuum device fluid; And be provided with second filtering installation in the said bleed-off passage, bleed-off passage communicates with the formed helical duct of the first vortex impeller on the second worm screw section through second filtering installation.Further; In said bleed-off passage and from the second worm screw section on the direction of the first worm screw section after second filtering installation; The outer wall of first circular cylindrical shell is provided with the first vortex impeller of bleeding; The inwall of second circular cylindrical shell is provided with the second vortex impeller of bleeding, first bleed vortex impeller and second bleed the vortex impeller each other snap-fit arrangement to form the bending channel that supplied gas is passed through.Advantageously, said bleed-off passage is communicated with extraneous vacuum device fluid through a seal cavity that is provided with around second circular cylindrical shell.Advantageously, be provided with cutoff device between said bleed-off passage and the said seal cavity, said cutoff device control bleed-off passage is communicated with fluid between the seal cavity.
The utility model has also proposed a kind of bulk cargo suction system, and it comprises: above-mentioned rotating cylinder scroll machine, the loading head that is removably mounted on the scavenging pump of the entrance side of said rotating cylinder scroll machine, installs removedly.Said scavenging pump comprises: the second vortex worm screw has second mandrel and is fixedly installed on the second vortex impeller on second mandrel; The scavenging pump circular cylindrical shell; The scavenging pump circular cylindrical shell is provided with and removably is fixedly mounted on the end near the entrance side of rotating cylinder scroll machine of second circular cylindrical shell around the second vortex worm screw, and wherein: the inwall of scavenging pump circular cylindrical shell and the terminal edge of the second vortex impeller engage with the formation second helical feed space between the outside face of the inwall of scavenging pump circular cylindrical shell, said second mandrel and the second vortex impeller regularly; Said second actuating device drives the rotation of second circular cylindrical shell and rotates synchronously to drive the said second vortex worm screw; The cleaning delivery side of pump communicates with the inlet of rotating cylinder scroll machine.Said loading head comprises: the 3rd circular cylindrical shell, turn up the soil at interval around the second circular cylindrical shell setting with second circular cylindrical shell; Be connected the gather materials rotation round brush that gathers materials of end of the 3rd circular cylindrical shell, the said rotation round brush that gathers materials is provided with around the scavenging pump inlet; The 3rd anchor fitting rotatably keeps the 3rd circular cylindrical shell; With the 3rd actuating device, said the 3rd actuating device drives the rotation of said the 3rd circular cylindrical shell and rotates synchronously to drive the said rotation round brush that gathers materials.
Advantageously; Constitute bleed-off passage between the inwall of said first circular cylindrical shell near the outer wall of the part of the second worm screw section and relative said second circular cylindrical shell; Said bleed-off passage is communicated with extraneous vacuum device fluid; And be provided with second filtering installation in the said bleed-off passage, bleed-off passage communicates with the formed helical duct of the first vortex impeller on the second worm screw section through second filtering installation.Further; In said bleed-off passage and from the second worm screw section on the direction of the first worm screw section after second filtering installation; The outer wall of first circular cylindrical shell is provided with the first vortex impeller of bleeding; The inwall of second circular cylindrical shell is provided with the second vortex impeller of bleeding, the first vortex impeller and the second vortex impeller each other snap-fit arrangement to form the bending channel that supplied gas is passed through.
Advantageously, said bleed-off passage is through being communicated with extraneous vacuum device fluid at a seal cavity that forms between second circular cylindrical shell and the 3rd circular cylindrical shell.Further, be provided with cutoff device between said bleed-off passage and the said seal cavity, said cutoff device control bleed-off passage is communicated with fluid between the seal cavity.
Advantageously, the material taking mouth of the first vortex impeller is provided with valve, is used to open and close said material taking mouth.
Alternatively; Said bulk cargo suction system also comprises: base plate, said base plate removably are fixed on the end of said second circular cylindrical shell at the entrance side of rotating cylinder scroll machine, wherein; At scavenging pump and loading head when the rotating cylinder scroll machine disassembles; The said end that said base plate was fixed on and covered second circular cylindrical shell to be closing the inlet of rotating cylinder scroll machine, and when scavenging pump and loading head were arranged on the entrance side of rotating cylinder scroll machine, said base plate was removed from a said end of second circular cylindrical shell.
Advantageously, the conveying space volume in the second helical feed space diminishes on the working direction of cleaning delivery side of pump at the inlet of material from scavenging pump gradually.
Advantageously; Under the situation that the second vortex worm screw is vertically placed; The second vortex impeller comprises along the end face cross section that is parallel to the longitudinal axis of second mandrel: camber line on recessed second; Camber line starts from the end of the second vortex impeller on said second, terminates in point on second on the outside face of second mandrel; Second time camber line; Said second time camber line starts from the end of the second vortex impeller; Terminate in second time point on the outside face of second mandrel; Below point on said second, wherein said second time camber line comprises at the above second time point of vertical direction of second mandrel: first section scavenging pump camber line, and the end and the center of curvature that start from the second vortex impeller are above second time camber line; With second section scavenging pump camber line that first section scavenging pump camber line smoothly joins, terminate in said second time point, and the center of curvature of second section scavenging pump camber line is below second time camber line.
Advantageously, second circular cylindrical shell becomes big taper type near the end formation of suction side towards the scavenging pump diameter gradually, and the internal diameter of the 3rd circular cylindrical shell is greater than the internal diameter of second circular cylindrical shell.
The utility model has also proposed a kind of ship unloading equipment, and it comprises: above-mentioned bulk cargo suction system; With the material transport system that is communicated with the outlet fluid of the rotating cylinder scroll machine of bulk cargo suction system, perhaps, it comprises above-mentioned rotating cylinder scroll machine and the material transport system that is communicated with the outlet fluid of said rotating cylinder scroll machine.
Utilize the technical scheme of the utility model, can obtain one of following technique effect at least:
The energy consumption that bulk cargo is carried is low, efficient is high;
The operational throughput that bulk cargo is carried is big;
Improved the efficient of unloading a ship.
Through the description of hereinafter with reference to accompanying drawing the utility model being done, other purpose of the utility model and advantage will be obvious, and can help that the utility model is had comprehensive understanding.
Description of drawings
Fig. 1 is the structural representation according to the rotating cylinder scroll machine of an embodiment of the utility model, wherein, has added scavenging pump and loading head on the rotating cylinder scroll machine, and first actuating device of first circular cylindrical shell rotation that is used to drive the rotating cylinder scroll machine is not shown;
Fig. 2 is the local enlarged diagram of the rotating cylinder scroll machine among Fig. 1, wherein schematically shows according to the air extractor vent on first mandrel of an embodiment of the utility model, and is formed on the bleed-off passage between first circular cylindrical shell and second circular cylindrical shell;
Fig. 3 has schematically shown the vortex impeller according to an embodiment of the utility model, and wherein Fig. 3 a shows the block diagram of vortex impeller, and Fig. 3 b shows the end face cross section that the edge of vortex impeller is parallel to the longitudinal axis of first mandrel;
Fig. 4 a schematically shows the material taking mouth of vortex impeller; Fig. 4 b schematically shows the valve that is used to open and close this material taking mouth;
Being connected between part-structure and the scavenging pump that Fig. 5 schematically shows cleaning pump structure, loading head and second circular cylindrical shell, being connected between loading head and the scavenging pump;
Fig. 6 schematically shows second anchor fitting and second actuating device;
Fig. 7 schematically shows the composition of ship unloading equipment.
The specific embodiment
Pass through embodiment below, and combine accompanying drawing, do further bright specifically the technical scheme of the utility model.In specification sheets, same or analogous drawing reference numeral is indicated same or analogous parts.Followingly the explanation of the utility model embodiment is intended to the overall utility model design of the utility model is made an explanation, and is not to be understood that and is a kind of restriction the utility model with reference to accompanying drawing.
With reference to Fig. 1 rotating cylinder scroll machine 1 is described below.Though rotating cylinder scroll machine 1 is vertically placed in Fig. 1, in fact this rotating cylinder scroll machine 1 also can be in the orientation work except vertical orientation.It is to be noted; In Fig. 1; Added scavenging pump 2 (back will describe) and loading head 3 (will describe) on the rotating cylinder scroll machine 1 at the back, and first actuating device that first circular cylindrical shell 4 that is used to drive the rotating cylinder scroll machine rotates is not shown (, has it is to be noted although do not illustrate; The structure of first actuating device with below second driving device structure mentioned basic identical, but be that driven object is different).
Like Fig. 1, shown in 2; Rotating cylinder scroll machine 1 comprises: the first vortex worm screw 5; Have first mandrel 6 and be fixedly installed on the first vortex impeller 7 on first mandrel 6; The first vortex worm screw 5 comprises the first worm screw section and the second worm screw section, and the material taking mouth 8 of the first vortex impeller 7 is located on the second worm screw section; First circular cylindrical shell 4 is provided with around the first worm screw section; Second circular cylindrical shell 10; Second circular cylindrical shell 10 is around the arranged outside of first circular cylindrical shell 4 end near the entrance side of rotating cylinder scroll machine 1 at first circular cylindrical shell 4, and second circular cylindrical shell 10 extends beyond the part of first circular cylindrical shell 4 around the second worm screw section; First anchor fitting; Said first anchor fitting rotatably keeps first circular cylindrical shell 4 (although do not illustrate; But the structure that it is pointed out that first anchor fitting with below second fixture structure mentioned basic identical, but be that fixed object is different); Second anchor fitting, 9, the second anchor fittings 9 rotatably keep second circular cylindrical shell 10; Said first actuating device, drive the rotation of said first circular cylindrical shell (although do not illustrate, the structure that it is pointed out that first actuating device with below second driving device structure mentioned basic identical, but be the driven object difference); And second actuating device 11; Second actuating device 11 drives second circular cylindrical shell 10 with respect to 4 contrarotations of first circular cylindrical shell; Wherein: shown in Fig. 1-2, the terminal edge of the first vortex impeller 7 on the first worm screw section and the inwall of first circular cylindrical shell 4 engage between the outside face of said inwall, first mandrel 6 and the first vortex impeller 7, to form the first helical feed space 12 regularly; As shown in Figure 1, the space from end of the first vortex impeller 7 on the inwall of second circular cylindrical shell 10 and the second worm screw section is opened; And first circular cylindrical shell 4 drives the first vortex worm screw 5 and rotates synchronously in by the first actuating device driven in rotation.
In the utility model, actuating device all not with the material direct contact, thereby improved its working environment; In addition; Because the end of the first vortex impeller 7 on the first vortex worm screw 5 and first circular cylindrical shell 4 are fixed together; So; In the part at the first worm screw section of rotating cylinder scroll machine 1 place, material moves in the fully enclosed cavity basically, and this efficient that makes the mechanical energy of material be converted into potential energy and dynamic pressure ability improves greatly.
As shown in Figure 2, be formed centrally the hollow structure 61 that extends along its longitudinal axis in first mandrel 6, hollow structure 61 is one side closed rotating cylinder scroll machine inlet, forms vacuum in the hollow structure 61; And also be provided with a plurality of air extractor vents 62 on first mandrel 6; Each air extractor vent 62 all fluid is communicated with the first vortex impeller, the 7 formed helical ducts 13 on hollow structure 61 and the first helical feed space 12 or the second worm screw section, and air extractor vent 62 in the first helical feed space, opening edge at 12 places, the first helical feed space 12 spirals arrange and/or air extractor vent 62 is arranged along helical duct 13 spirals at the opening at helical duct 13 places.Form vacuum in the hollow structure 61 here and represent this hollow structure 61 and placed in fluid communication.Advantageously, the opening at 12 places, the first helical feed space and/or the opening at helical duct place are provided with the first filtering installation (not shown), the filter screen that for example wear-resisting wire rod is made.First filtering installation allows gas and the material that as far as possible do not allow to transport enters in the hollow structure 61 through air extractor vent 62.
Fig. 3 has schematically shown the vortex impeller 7 according to an embodiment of the utility model, and wherein Fig. 3 a shows the block diagram of vortex impeller, and Fig. 3 b shows the end face cross section that the edge of vortex impeller is parallel to the longitudinal axis of first mandrel.As shown in Figure 3; Under the situation that the first vortex worm screw 5 is vertically placed; The first vortex impeller 7 comprises along the end face cross section that is parallel to the longitudinal axis of first mandrel: camber line BD on recessed first; Camber line BD starts from the terminal B of the first vortex impeller 7 on first, terminates on first on the outside face of first mandrel 6 and puts D; First time camber line BE; First time camber line BE starts from the terminal B of the first vortex impeller; Terminate in first time some E on the outside face of first mandrel 6; Below some D on first, wherein first time camber line BE comprises at first time some E on the longitudinal direction of first mandrel 6: first section rotating cylinder scroll machine camber line BF, and the terminal B and the center of curvature that start from the first vortex impeller are above first time camber line BE; With near smoothly join second section rotating cylinder scroll machine camber line FE at (at F point place or the F point) of first section rotating cylinder scroll machine camber line BF, terminate in said first time some E, and the center of curvature of second section rotating cylinder scroll machine camber line FE is below first time camber line BE.
Although do not illustrate,, the conveying space volume at least one section first helical feed space 12 diminishes on the working direction of material gradually.Pitch that can be through reducing the first vortex impeller 7 and/or realize that through the diameter that on the flow direction of pumping fluid, increases by first mandrel gradually the conveying space volume at least one section first helical feed space 12 diminishes gradually.The radial dimension of thickness and/or the blade of blade that also can be through the design first vortex impeller 7 (for example; Radial dimension is less and diameter first mandrel 6 becomes big gradually) realize that the conveying space volume at least one section first helical feed space 12 diminishes gradually; Volume compression ratio can be 0.7-0.9, and this depends on size distribution, density, pressure and the flow of material.
As shown in Figure 2; Constitute bleed-off passage 15 between the inwall of first circular cylindrical shell 4 near the outer wall of the part of the second worm screw section and relative second circular cylindrical shell 10; Bleed-off passage 15 is communicated with extraneous vacuum device (not shown) fluid; And be provided with second filtering installation 16 in the bleed-off passage 15, bleed-off passage 15 communicates with the first vortex impeller, 7 formed helical ducts on the second worm screw section through second filtering installation.Further; In bleed-off passage 15 and from the second worm screw section on the direction of the first worm screw section after second filtering installation 16; The outer wall of first circular cylindrical shell 4 can also be provided with the first vortex impeller 17 of bleeding; Correspondingly, the inwall of second circular cylindrical shell 10 be provided with second bleed vortex impeller 18, the first bleed vortex impeller 17 and second bleed vortex impeller 18 each other snap-fit arrangement to form the bending channel that supplied gas is passed through.
Though do not illustrate specially,, bleed-off passage 15 can be communicated with extraneous vacuum device fluid through a seal cavity that is provided with around second circular cylindrical shell 10.Advantageously, be provided with cutoff device 19 between bleed-off passage 15 and the said seal cavity, said cutoff device 19 control bleed-off passages 15 are communicated with fluid between the seal cavity.For example; Cutoff device 19 comprises orifice plate 191 and cover plate 192; Orifice plate 191 can be formed directly on second circular cylindrical shell 10; Can close this bleed-off passage 15 on the orifice plate 191 and be communicated with through cover plate 192 is covered, also can be provided with filter screen 193 between orifice plate 191 and the cover plate 192 with extraneous vacuum device or the fluid between the seal cavity.Cutoff device 19 can adopt other form, for example valve.
As shown in fig. 1, the second worm screw section is extended the distance of 4 at least two helical pitch of first circular cylindrical shell; And the inwall of second circular cylindrical shell 10 is provided with inside vortex impeller 40, and inside vortex impeller 40 is given prominence to along the helical duct spiral extension of the first vortex impeller, 7 formation on the second worm screw section and towards helical duct.
Advantageously, the rotating speed of second circular cylindrical shell 10 is greater than the rotating speed of first circular cylindrical shell 4.
Also need be pointed out that specially, although vortex worm screw shown in the drawings only is provided with a material taking mouth 8,, for example 2-3 material taking mouth also can be set, correspondingly, 2-3 the first vortex impeller of extension arranged side by side is set also.
Working process according to the vertical rotating cylinder scroll machine 1 of the specific embodiment of the utility model is exemplarily described below.
The intake machine or the material taking mouth 8 of rotating cylinder scroll machine 1 are imbedded in the material; Thereby first drive device drives, the first vortex worm screw 5 is rotated and drives material taking mouth 8 rotations; Simultaneously; Second drive device drives, second circular cylindrical shell 10 rotates in the opposite direction, and like this, material taking mouth 8 is forced material to deliver in the first vortex impeller, the 7 formed helical ducts 13 on the second worm screw section of rotating cylinder scroll machine 1.At this moment, based on what of material, bleed-off passage 15 is in closes sealing state (material is sufficient) or open mode (material is inadequate, is easy to entrained air); Simultaneously, the hollow structure 61 in rotating cylinder scroll machine 1 communicates with vacuum source, for example, transforms the guiding air flue through sound and is connected with the access road of air inducing dust exhaustor.When material arrived rotating cylinder scroll machine 1 below, material carried out the gas solid separation first time at this, and material is along the first vortex impeller, 7 upward movements; And; Because negative pressure is through first filtering installation, for example air permeable plate; Gas in the material is pumped in the hollow structure 61, and this has improved the filling rate between the first vortex impeller.When material was arrived the connecting portion of the first vortex impeller and first circular cylindrical shell 4 by the first vortex impeller propelled, the material filling rate reached the highest.Under the situation that the first vortex worm screw 5 continues to rotate, material is along the passage between the first vortex impeller 7 and first circular cylindrical shell 4, and promptly the first helical feed space 12 upwards promotes.At last, material can be discharged from the outlet of rotating cylinder scroll machine 1.The material of discharging from the outlet of rotating cylinder scroll machine 1 can get into other load transfer device (for example other rotating cylinder scroll machine or pipeline).
Need to prove; Because there is inside vortex impeller 40; The material that the helical duct that forms along the first helicallobe vortex impeller on the second worm screw section moves is broken up, is pressed down by inside vortex impeller 40, and this helps the separation and the conveying of material in this helical duct of gas in the material.Under the situation of easy entrained gas, the use of suction channel 15 also helps gas separated is extracted out when sucking material.
1-5 describes the bulk cargo suction system according to an embodiment of the utility model with reference to the accompanying drawings, and it comprises:
Rotating cylinder scroll machine 1 comprises:
The first vortex worm screw 5 has first mandrel 6 and comprises the first worm screw section and the second worm screw section with the first vortex impeller, 7, the first vortex worm screws 5 that are fixedly installed on first mandrel 6, and the material taking mouth 8 of the first vortex impeller 7 is located on the second worm screw section;
First circular cylindrical shell 4 is provided with around the first worm screw section;
Second circular cylindrical shell 10; Second circular cylindrical shell 10 is around the arranged outside of first circular cylindrical shell 4 end near the entrance side of rotating cylinder scroll machine 1 at first circular cylindrical shell 4, and second circular cylindrical shell 10 extends beyond the part of first circular cylindrical shell 4 around the second worm screw section;
First anchor fitting, said first anchor fitting rotatably keeps first circular cylindrical shell 4;
Second anchor fitting, 9, the second anchor fittings 9 rotatably keep second circular cylindrical shell 10;
First actuating device drives 4 rotations of first circular cylindrical shell; And
Be removably mounted on the scavenging pump 2 of the entrance side of rotating cylinder scroll machine 1,
The second vortex worm screw 25 has second mandrel 26 and is fixedly installed on the second vortex impeller 27 on second mandrel 26;
Scavenging pump circular cylindrical shell 21, scavenging pump circular cylindrical shell 21 is provided with and removably is fixedly mounted on the end near the entrance side of rotating cylinder scroll machine 1 of second circular cylindrical shell 10 around the second vortex worm screw 25,
Wherein:
The inwall of scavenging pump circular cylindrical shell 21 and the terminal edge of the second vortex impeller 27 engage between the outside face of the inwall of scavenging pump circular cylindrical shell 21, second mandrel 26 and the second vortex impeller 27, to form the second helical feed space 22 regularly;
Thereby 10 rotations of second actuating device, 11 drivings, second circular cylindrical shell drive the second vortex worm screw 25 with drive scavenging pump circular cylindrical shell 21 and rotate synchronously;
The outlet of scavenging pump 2 communicates with the inlet of rotating cylinder scroll machine 1,
And
The loading head of installing removedly 3, loading head 3 comprises:
The 3rd circular cylindrical shell 31 is turned up the soil around 10 settings of second circular cylindrical shell with second circular cylindrical shell 10 at interval;
Be connected the gather materials rotation round brush 32 that gathers materials of end of the 3rd circular cylindrical shell 31, the rotation round brush 32 that gathers materials is provided with around scavenging pump 2 inlets;
The 3rd anchor fitting rotatably keeps the 3rd circular cylindrical shell 31; With
The 3rd actuating device 33, the three actuating devices 33 drive 31 rotations of the 3rd circular cylindrical shell and rotate synchronously with the driven rotary round brush 32 that gathers materials.
Alternatively, the conveying space volume in the second helical feed space 22 diminishes on the working direction of the outlet of scavenging pump 2 at the inlet of material from scavenging pump 2 gradually.Can realize that the conveying space volume in the second helical feed space 22 diminishes gradually through the pitch that reduces the second vortex impeller 27; The conveying space volume in the radial dimension of thickness and/or the blade of blade that also can be through the design second vortex impeller 27 (for example, radial dimension less and diameter second mandrel 26 becomes big gradually) the realization second helical feed space 22 diminishes gradually.
Alternatively; Like Fig. 1, shown in 2; Constitute bleed-off passage 15 between the inwall of first circular cylindrical shell 4 near the outer wall of the part of the second worm screw section and relative second circular cylindrical shell 10; Bleed-off passage 15 is communicated with extraneous vacuum device (not shown) fluid, and is provided with second filtering installation 16 in the bleed-off passage 15, and bleed-off passage 15 communicates with the first vortex impeller, 7 formed helical ducts on the second worm screw section through second filtering installation.Further; In bleed-off passage 15 and from the second worm screw section on the direction of the first worm screw section after second filtering installation 16; The outer wall of first circular cylindrical shell 4 can also be provided with the first vortex impeller 17 of bleeding; Correspondingly, the inwall of second circular cylindrical shell 10 be provided with second bleed vortex impeller 18, the first bleed vortex impeller 17 and second bleed vortex impeller 18 each other snap-fit arrangement to form the bending channel that supplied gas is passed through.Bleed-off passage 15 can be through being communicated with the vacuum device fluid in the external world at a seal cavity 34 that forms between second circular cylindrical shell 10 and the 3rd circular cylindrical shell 31.Advantageously, be provided with cutoff device between bleed-off passage 15 and the seal cavity 34, said cutoff device control bleed-off passage 15 is communicated with fluid between the seal cavity 34.
The material taking mouth 8 of the first vortex impeller 5 is provided with valve 51, is used to open and close material taking mouth 8.Shown in Fig. 4 b, this valve 51 comprises sealing backplate 52; Be fixed on the slide rail 53 on the material taking mouth 8, sealing backplate 52 on slide rail 53 slippage to open and close material taking mouth 8; And tightening screw 54, it is used for fixing the position of sealing backplate 52 with respect to slide rail 53.Sealing backplate 52 has the shape that matches with the shape of material taking mouth 8.It should be noted that; Accompanying drawing 4a, 4b only are schematic; Slide rail 53 can be other form, and for example slide rail does not form as one, even can also be that contiguous material taking mouth 8 is provided with (as long as the sealing backplate 52 that on slide rail 53, moves can closed material taking mouth 8); In addition, tightening screw 54 can be substituted by other tightening member, as long as it is fixing with respect to slide rail 53 will to seal backplate 52.The slide rail 53 here also can be only used for the device of fixing seal backplate 52.
As shown in fig. 1; The bulk cargo suction system also comprises: base plate 60; Base plate 60 removably is fixed on the end of second circular cylindrical shell 10 at the entrance side of rotating cylinder scroll machine 1; Wherein, when rotating cylinder scroll machine 1 disassembled, base plate 60 was fixed on and covers a said end of second circular cylindrical shell 10 to close the inlet of rotating cylinder scroll machine 1 at scavenging pump 2 and loading head 3; When scavenging pump 2 and loading head 3 were arranged on the entrance side of rotating cylinder scroll machine 1, base plate 60 was removed from a said end of second circular cylindrical shell 10.Base plate 60 can be through rotating cylinder scroll machine 1 the flange 70 of entrance side utilize screw retention at entrance side, but, the said fixing mode only is that schematically for example, base plate 60 also can adopt the mode of slide rail to fix.
The second vortex impeller 27 has and the first vortex impeller, 7 similar structures.As shown in Figure 5; Under the situation that the second vortex worm screw 25 is vertically placed; The second vortex impeller 27 comprises along the end face cross section that is parallel to the longitudinal axis of second mandrel 26: camber line B ' D ' on recessed second; Camber line B ' D ' starts from the terminal B ' of the second vortex impeller 27 on second, terminates on second on the outside face of second mandrel 26 and puts D '; Second time camber line B ' E '; Second time camber line B ' E ' starts from the terminal B ' of the second vortex impeller 27; Terminate in second time some D ' on the outside face of second mandrel 26; The below that second time some E ' puts D ' on second on the vertical direction of second mandrel 26, wherein second time camber line B ' E ' comprising: first section scavenging pump camber line B ' F ' starts from terminal B ' and the center of curvature of the second vortex impeller top at second time camber line B ' E '; With second section scavenging pump camber line F ' E ' that first section scavenging pump camber line B ' F ' smoothly joins, terminate in some E ' second time, and the center of curvature of second section scavenging pump camber line F ' E ' is in the below of second time camber line B ' E '.
As shown in fig. 1, second circular cylindrical shell 10 becomes big taper type near the end formation of suction side towards scavenging pump 2 diameters gradually, and the internal diameter of the 3rd circular cylindrical shell 31 is greater than the internal diameter of second circular cylindrical shell 10.
The structure of the rotating cylinder scroll machine 1 in the bulk cargo suction system is not limited in the description about the bulk cargo suction system mentioned, and it also can have other structure of mentioning in the utility model specification sheets.
Working process according to the bulk cargo suction system of the specific embodiment of the utility model is exemplarily described below.
Under the situation of material abundant (for example buying securities with all one's capital):
At first; Take off scavenging pump 2 and loading head 3 in the bulk cargo suction system; An end that base plate 60 is fixed on and covers second circular cylindrical shell 10 utilizes cutoff device to close bleed-off passage 15 to close the inlet of rotating cylinder scroll machine 1, and opens valve 51 to expose material taking mouth 8.
Then; The intake machine or the material taking mouth 8 of rotating cylinder scroll machine 1 are imbedded in the material; Thereby first drive device drives, the first vortex worm screw 5 is rotated and drives material taking mouth 8 rotations, and simultaneously, second drive device drives, second circular cylindrical shell 10 rotates in the opposite direction; Like this, material taking mouth 8 is forced material to deliver in the first vortex impeller, the 7 formed helical ducts 13 on the second worm screw section of rotating cylinder scroll machine 1.At this moment, the hollow structure 61 in rotating cylinder scroll machine 1 communicates with vacuum source, for example, transforms the guiding air flue through sound and is connected with the access road of air inducing dust exhaustor.When material arrived rotating cylinder scroll machine 1 below, material carried out the gas solid separation first time at this, and material is along the first vortex impeller, 7 upward movements; And; Because negative pressure is through first filtering installation, for example air permeable plate; Gas in the material is pumped in the hollow structure 61, and this has improved the filling rate between the first vortex impeller.When material was arrived the connecting portion of the first vortex impeller and first circular cylindrical shell 4 by the first vortex impeller propelled, the material filling rate reached the highest.Under the situation that the first vortex worm screw 5 continues to rotate, material is along the passage between the first vortex impeller 7 and first circular cylindrical shell 4, and promptly the first helical feed space 12 upwards promotes.At last, material can be discharged from the outlet of rotating cylinder scroll machine 1.The material of discharging from the outlet of rotating cylinder scroll machine 1 can get into other load transfer device (for example other rotating cylinder scroll machine or pipeline.Continue aforesaid operations, up to material less (for example need carry out operation of the clear end of the prior art).
Need to prove; Because there is inside vortex impeller 40; The material that the helical duct that forms along the first helicallobe vortex impeller on the second worm screw section moves is broken up, is pressed down by inside vortex impeller 40, and this helps the separation and the conveying of material in this helical duct of gas in the material.
Under the less situation of material:
Stop rotating cylinder scroll machine 1 earlier and rotating cylinder scroll machine 1 is taken out from material, then, install scavenging pump 2 and loading head 3, base plate 60 is removed from the inlet of rotating cylinder scroll machine 1, open bleed-off passage 15, and mobile valve 51 is to close material taking mouth 8.
Afterwards, the loading head 3 of low speed rotation for example focuses on material through the rubber aggregate bar inlet of scavenging pump 2.Then, material is inhaled into the scavenging pump 2 of high speed revolution, and the material that comes out from scavenging pump 2 has been delivered directly to the inlet of rotating cylinder scroll machine 1.The material that enters into rotating cylinder scroll machine 1 inlet contains air, and but, material is broken up, pressed down through inside vortex impeller 40, and gas separates from material easily, and the use of suction channel 15 also helps gas separated is extracted out.Operation afterwards is with identical in the situation of material abundant (for example buying securities with all one's capital).
Be that example is described first, second and the 3rd anchor fitting and first, second, third actuating device with second anchor fitting 9, second actuating device 11 below.As shown in Figure 6; Second anchor fitting 9 comprises head bearing 91 and lower bearing 92, and wherein, head bearing 91 is arranged on the transmission circular cylindrical shell 93; Lower bearing 92 is fixed on second circular cylindrical shell 10; Second circular cylindrical shell 10 is rigidly connected with transmission circular cylindrical shell 93, and significantly, the head bearing 91 here also is rigidly connected with exterior framework 94 with lower bearing 92.Second actuating device 11 comprises CD-ROM drive motor 95, is arranged on the driven wheel 96 on the output shaft of CD-ROM drive motor 95, and is arranged on the transmission gear 97 on the transmission circular cylindrical shell 93.When CD-ROM drive motor 95 rotated, driven wheel 96 drove transmission gear 97 and rotates, and transmission gear 97 drives are rotated by second circular cylindrical shell 10 that head bearing 91 and lower bearing 92 keep.As shown in Figure 6, lower bearing 92 can also be provided with seal ring 98 near a side of material.It should be noted that said fixing device and actuating device only are exemplary, those of ordinary skills can also make a lot of changes.For example, anchor fitting can also use the roller that is provided with along circular cylindrical shell except using bearing, and the outside face of circular cylindrical shell is directly supported by roller; Can omit the transmission circular cylindrical shell, bearing can be set directly on second circular cylindrical shell 10, and transmission gear also is set directly on second circular cylindrical shell 10; Being connected between transmission gear and second circular cylindrical shell or the transmission circular cylindrical shell can be adopted bolted as shown in Figure 7 mode, also can adopt the mode of welding.Also can be applied to first, second and the 3rd anchor fitting and first, second, third actuating device to the foregoing description of second anchor fitting 9, second actuating device 11.
Fig. 5 schematically shows being connected between part-structure and scavenging pump 2 and second circular cylindrical shell 10 of structure, loading head 3 of scavenging pump 2, being connected between loading head 3 and the scavenging pump 2.In addition, between the inlet of the inlet of scavenging pump 2 and loading head 3, be provided with seal ring 35, and between the 3rd circular cylindrical shell 31 of scavenging pump circular cylindrical shell 21 and loading head 3, be provided with seal ring 36.
The utility model also relates to a kind of ship unloading equipment, and it comprises above-mentioned rotating cylinder scroll machine 1; And the material transport system that is communicated with the outlet fluid of rotating cylinder scroll machine 1.
The utility model also relates to a kind of ship unloading equipment, and it comprises above-mentioned bulk cargo suction system; And the material transport system that is communicated with the outlet fluid of rotating cylinder scroll machine 1 in the bulk cargo suction system.
Fig. 7 schematically shows the composition of ship unloading equipment.The vertical rotating cylinder scroll machine or bulk cargo suction system in Fig. 6; Also comprise: transverse drum scroll machine 101, it has and the vertical identical structure of rotating cylinder scroll machine, and just placement location is different; Certainly, the transverse drum scroll machine 101 among Fig. 7 also can be substituted by other delivery duct; SAH 102, it realizes that the connected sum between vertical rotating cylinder scroll machine and the transverse drum scroll machine rotates relatively; Hydraulic-driven arm 103, it is used to realize the pitching of vertical rotating cylinder scroll machine, transverse drum scroll machine etc. and seesaw; System master supports 104; Entire system rotating mechanism 105; Be connected entire system rotating mechanism 105 and the master of system and support the suspension rotating mechanism 106 between 104; System's discharging mechanism 107; Discharging mechanism supports 108; Hydraulic workstation 109; Pedestal 110; System's hydraulic efficiency elevation structure 111; Control desk 112; Counterweight 113.
Although illustrated and described the embodiment of the utility model; For those of ordinary skill in the art; Be appreciated that under the situation of principle that does not break away from the utility model and spirit and can change that the scope of the utility model is limited accompanying claims and equivalent thereof to these embodiment.
Claims (24)
1. rotating cylinder scroll machine comprises:
The first vortex worm screw has first mandrel and is fixedly installed on the first vortex impeller on first mandrel, and the first vortex worm screw comprises the first worm screw section and the second worm screw section, and the material taking mouth of the first vortex impeller is arranged on the second worm screw section;
First circular cylindrical shell is provided with around the first worm screw section;
Second circular cylindrical shell, second circular cylindrical shell is around the arranged outside of first circular cylindrical shell end near the entrance side of rotating cylinder scroll machine at first circular cylindrical shell, and second circular cylindrical shell extends beyond the part of first circular cylindrical shell around the second worm screw section;
First anchor fitting, said first anchor fitting rotatably keeps first circular cylindrical shell;
Second anchor fitting, said second anchor fitting rotatably keeps second circular cylindrical shell;
First actuating device, said first actuating device drive said first circular cylindrical shell rotation; And
Second actuating device, said second actuating device drive said second circular cylindrical shell with respect to the said first circular cylindrical shell contrarotation,
It is characterized in that:
The terminal edge of the first vortex impeller on the first worm screw section and the inwall of said first circular cylindrical shell engage between the outside face of said inwall, said first mandrel and the first vortex impeller, to form the first helical feed space regularly;
The space from end of the first vortex impeller on the inwall of second circular cylindrical shell and the second worm screw section is opened; And
First circular cylindrical shell drives the said first vortex worm screw and rotates synchronously in by the first actuating device driven in rotation.
2. rotating cylinder scroll machine according to claim 1 is characterized in that:
Be formed centrally the hollow structure that extends along its longitudinal axis in said first mandrel, said hollow structure is one side closed rotating cylinder scroll machine inlet, forms vacuum in the said hollow structure; And
Also be provided with a plurality of air extractor vents on said first mandrel; Each air extractor vent all fluid is communicated with the formed helical duct of the first vortex impeller on said hollow structure and the said first helical feed space or the second worm screw section, and air extractor vent is arranged and/or air extractor vent is arranged along said helical duct spiral at the opening at said helical duct place along the first helical feed spatially spiral at the opening at first helical feed space place.
3. rotating cylinder scroll machine according to claim 2 is characterized in that:
The opening at place, the first helical feed space and/or the opening at helical duct place are provided with first filtering installation.
4. according to each described rotating cylinder scroll machine among the claim 1-3, it is characterized in that:
Under the situation that the first vortex worm screw is vertically placed, the first vortex impeller comprises along the end face cross section that is parallel to the longitudinal axis of first mandrel:
Camber line on recessed first, camber line starts from the end of the first vortex impeller on said first, terminates in point on first on the outside face of first mandrel;
First time camber line, said first time camber line starts from the end of the first vortex impeller, terminates in first time point on the outside face of first mandrel, at the above first time point of longitudinal direction of first mandrel below point on said first,
Wherein said first time camber line comprises: first section rotating cylinder scroll machine camber line, and the end and the center of curvature that start from the first vortex impeller are above first time camber line; With second section rotating cylinder scroll machine camber line that first section rotating cylinder scroll machine camber line smoothly joins, terminate in said first time point, and the center of curvature of second section rotating cylinder scroll machine camber line is below first time camber line.
5. rotating cylinder scroll machine according to claim 4 is characterized in that:
The conveying space volume at least one section first helical feed space diminishes on the working direction of material gradually.
6. rotating cylinder scroll machine according to claim 5 is characterized in that:
Pitch through reducing the first vortex impeller and/or realize that through the diameter that on the flow direction of pumping fluid, increases by first mandrel gradually the conveying space volume at least one section first helical feed space diminishes gradually.
7. rotating cylinder scroll machine according to claim 1 is characterized in that:
The second worm screw section is extended the distance of at least two helical pitch of said first circular cylindrical shell; And
The inwall of second circular cylindrical shell is provided with the inside vortex impeller, and said inside vortex impeller is given prominence to along the helical duct spiral extension of the formation of the first helicallobe vortex impeller on the second worm screw section and towards said helical duct.
8. bulk cargo suction system according to claim 1 is characterized in that:
The rotating speed of second circular cylindrical shell is greater than the rotating speed of first circular cylindrical shell.
9. rotating cylinder scroll machine according to claim 1 is characterized in that:
Constitute bleed-off passage between the inwall of said first circular cylindrical shell near the outer wall of the part of the second worm screw section and relative said second circular cylindrical shell; Said bleed-off passage is communicated with extraneous vacuum device fluid; And be provided with second filtering installation in the said bleed-off passage, bleed-off passage communicates with the formed helical duct of the first vortex impeller on the second worm screw section through second filtering installation.
10. rotating cylinder scroll machine according to claim 9 is characterized in that:
In said bleed-off passage and from the second worm screw section on the direction of the first worm screw section after second filtering installation; The outer wall of first circular cylindrical shell is provided with the first vortex impeller of bleeding; The inwall of second circular cylindrical shell is provided with the second vortex impeller of bleeding, first bleed vortex impeller and second bleed the vortex impeller each other snap-fit arrangement to form the bending channel that supplied gas is passed through.
11., it is characterized in that according to claim 9 or 10 described rotating cylinder scroll machine:
Said bleed-off passage is communicated with extraneous vacuum device fluid through a seal cavity that is provided with around second circular cylindrical shell.
12. rotating cylinder scroll machine according to claim 11 is characterized in that:
Be provided with cutoff device between said bleed-off passage and the said seal cavity, said cutoff device control bleed-off passage is communicated with fluid between the seal cavity.
13. a bulk cargo suction system comprises:
The rotating cylinder scroll machine; With
Scavenging pump,
It is characterized in that:
Said rotating cylinder scroll machine is according to each described rotating cylinder scroll machine among the claim 1-8;
Said scavenging pump is removably mounted on the entrance side of said rotating cylinder scroll machine, and
Said scavenging pump comprises:
The second vortex worm screw has second mandrel and is fixedly installed on the second vortex impeller on second mandrel;
The scavenging pump circular cylindrical shell, the scavenging pump circular cylindrical shell is provided with and removably is fixedly mounted on the end near the entrance side of rotating cylinder scroll machine of second circular cylindrical shell around the second vortex worm screw,
Wherein:
The inwall of scavenging pump circular cylindrical shell and the terminal edge of the second vortex impeller engage between the outside face of the inwall of scavenging pump circular cylindrical shell, said second mandrel and the second vortex impeller, to form the second helical feed space regularly;
Said second actuating device drives the rotation of second circular cylindrical shell and rotates synchronously to drive the said second vortex worm screw;
The cleaning delivery side of pump communicates with the inlet of rotating cylinder scroll machine,
Said bulk cargo suction system also comprises the loading head of installing removedly, and said loading head comprises:
The 3rd circular cylindrical shell is turned up the soil around the second circular cylindrical shell setting with second circular cylindrical shell at interval;
Be connected the gather materials rotation round brush that gathers materials of end of the 3rd circular cylindrical shell, the said rotation round brush that gathers materials is provided with around the scavenging pump inlet;
The 3rd anchor fitting rotatably keeps the 3rd circular cylindrical shell; With
The 3rd actuating device, said the 3rd actuating device drive the rotation of said the 3rd circular cylindrical shell and rotate synchronously to drive the said rotation round brush that gathers materials.
14. bulk cargo suction system according to claim 13 is characterized in that:
Constitute bleed-off passage between the inwall of said first circular cylindrical shell near the outer wall of the part of the second worm screw section and relative said second circular cylindrical shell; Said bleed-off passage is communicated with extraneous vacuum device fluid; And be provided with second filtering installation in the said bleed-off passage, bleed-off passage communicates with the formed helical duct of the first vortex impeller on the second worm screw section through second filtering installation.
15. bulk cargo suction system according to claim 14 is characterized in that:
In said bleed-off passage and from the second worm screw section on the direction of the first worm screw section after second filtering installation; The outer wall of first circular cylindrical shell is provided with the first vortex impeller of bleeding; The inwall of second circular cylindrical shell is provided with the second vortex impeller of bleeding, the first vortex impeller and the second vortex impeller each other snap-fit arrangement to form the bending channel that supplied gas is passed through.
16., it is characterized in that according to claim 14 or 15 described bulk cargo suction systems:
Said bleed-off passage is through being communicated with extraneous vacuum device fluid at a seal cavity that forms between second circular cylindrical shell and the 3rd circular cylindrical shell.
17. bulk cargo suction system according to claim 16 is characterized in that:
Be provided with cutoff device between said bleed-off passage and the said seal cavity, said cutoff device control bleed-off passage is communicated with fluid between the seal cavity.
18. bulk cargo suction system according to claim 13 is characterized in that:
The material taking mouth of the first vortex impeller is provided with valve, is used to open and close said material taking mouth.
19. bulk cargo suction system according to claim 13 is characterized in that:
Also comprise:
Base plate; Said base plate removably is fixed on the end of said second circular cylindrical shell at the entrance side of rotating cylinder scroll machine; Wherein, when the rotating cylinder scroll machine disassembled, said base plate was fixed on and covers a said end of second circular cylindrical shell to close the inlet of rotating cylinder scroll machine at scavenging pump and loading head; When scavenging pump and loading head were arranged on the entrance side of rotating cylinder scroll machine, said base plate was removed from a said end of second circular cylindrical shell.
20. bulk cargo suction system according to claim 13 is characterized in that:
The conveying space volume in the second helical feed space diminishes on the working direction of cleaning delivery side of pump at the inlet of material from scavenging pump gradually.
21., it is characterized in that according to each described bulk cargo suction system among claim 13-15, the 18-20:
Under the situation that the second vortex worm screw is vertically placed, the second vortex impeller comprises along the end face cross section that is parallel to the longitudinal axis of second mandrel:
Camber line on recessed second, camber line starts from the end of the second vortex impeller on said second, terminates in point on second on the outside face of second mandrel;
Second time camber line, said second time camber line starts from the end of the second vortex impeller, terminates in second time point on the outside face of second mandrel, at the above second time point of vertical direction of second mandrel below point on said second,
Wherein said second time camber line comprises: first section scavenging pump camber line, and the end and the center of curvature that start from the second vortex impeller are above second time camber line; With second section scavenging pump camber line that first section scavenging pump camber line smoothly joins, terminate in said second time point, and the center of curvature of second section scavenging pump camber line is below second time camber line.
22. bulk cargo suction system according to claim 21 is characterized in that:
Second circular cylindrical shell becomes big taper type near the end formation of suction side towards the scavenging pump diameter gradually, and the internal diameter of the 3rd circular cylindrical shell is greater than the internal diameter of second circular cylindrical shell.
23. a ship unloading equipment comprises material transport system, it is characterized in that:
Also comprise described rotating cylinder scroll machine according to claim 1-12, and
Said material transport system is communicated with the outlet fluid of said rotating cylinder scroll machine.
24. a ship unloading equipment comprises material transport system, it is characterized in that:
Also comprise described bulk cargo suction system according to claim 13-22, and
Said material transport system is communicated with the outlet fluid of the said rotating cylinder scroll machine of bulk cargo suction system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200568416U CN202296211U (en) | 2011-03-03 | 2011-03-03 | Drum vortex machine, bulk material suction system and ship unloading equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200568416U CN202296211U (en) | 2011-03-03 | 2011-03-03 | Drum vortex machine, bulk material suction system and ship unloading equipment |
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| Publication Number | Publication Date |
|---|---|
| CN202296211U true CN202296211U (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2011200568416U Expired - Fee Related CN202296211U (en) | 2011-03-03 | 2011-03-03 | Drum vortex machine, bulk material suction system and ship unloading equipment |
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| CN (1) | CN202296211U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103387141A (en) * | 2013-07-26 | 2013-11-13 | 杭州奥拓散料卸船装备有限公司 | Fully-dustless material falling and discharging device of ship loader and use method thereof |
| CN103547520A (en) * | 2011-03-03 | 2014-01-29 | 刘滨军 | Drum scroll machines, bulk material suction systems, ship unloading equipment and drum scroll mechanisms |
| CN113294335A (en) * | 2021-06-28 | 2021-08-24 | 浙江丝远纺织股份有限公司 | Energy-saving screw air compressor |
| CN120646563A (en) * | 2025-08-08 | 2025-09-16 | 石家庄永宸生物科技有限公司 | Anti-blocking screw conveyor special for food-grade soybean protein powder |
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2011
- 2011-03-03 CN CN2011200568416U patent/CN202296211U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103547520A (en) * | 2011-03-03 | 2014-01-29 | 刘滨军 | Drum scroll machines, bulk material suction systems, ship unloading equipment and drum scroll mechanisms |
| CN103387141A (en) * | 2013-07-26 | 2013-11-13 | 杭州奥拓散料卸船装备有限公司 | Fully-dustless material falling and discharging device of ship loader and use method thereof |
| CN103387141B (en) * | 2013-07-26 | 2015-08-19 | 杭州奥拓散料卸船装备有限公司 | Ship loader is completely without dirt material bottom discharge device and using method thereof |
| CN113294335A (en) * | 2021-06-28 | 2021-08-24 | 浙江丝远纺织股份有限公司 | Energy-saving screw air compressor |
| CN113294335B (en) * | 2021-06-28 | 2022-11-15 | 浙江丝远纺织股份有限公司 | Energy-saving screw air compressor |
| CN120646563A (en) * | 2025-08-08 | 2025-09-16 | 石家庄永宸生物科技有限公司 | Anti-blocking screw conveyor special for food-grade soybean protein powder |
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Granted publication date: 20120704 Termination date: 20160303 |