CN114210250B - Blending bin for gravity blanking - Google Patents
Blending bin for gravity blanking Download PDFInfo
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- CN114210250B CN114210250B CN202111439009.9A CN202111439009A CN114210250B CN 114210250 B CN114210250 B CN 114210250B CN 202111439009 A CN202111439009 A CN 202111439009A CN 114210250 B CN114210250 B CN 114210250B
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- 238000002156 mixing Methods 0.000 title claims abstract description 210
- 230000005484 gravity Effects 0.000 title claims abstract description 17
- 241000405070 Percophidae Species 0.000 claims abstract description 24
- 238000007789 sealing Methods 0.000 claims description 22
- 230000000712 assembly Effects 0.000 claims description 18
- 238000000429 assembly Methods 0.000 claims description 18
- 210000001503 joint Anatomy 0.000 claims description 12
- 230000000670 limiting effect Effects 0.000 claims description 9
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 8
- 239000013013 elastic material Substances 0.000 claims description 4
- 239000004033 plastic Substances 0.000 claims description 4
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 abstract description 45
- 239000010410 layer Substances 0.000 description 7
- 238000007599 discharging Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 238000010926 purge Methods 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 230000001050 lubricating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002355 dual-layer Substances 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
Abstract
The utility model provides a blending feed bin of gravity unloading, the blending pipe in this kind of blending feed bin is established to double-deck blending pipe, the inside blending tube bank lower extreme of double-deck blending pipe is connected with the vibrating device of blending feed bin bottom, the cylindric support fixed connection that sets up on outer tube and the end cover, be equipped with oval hole on the outer tube, be equipped with the oblique feeding duckbill pipe that stretches out from oval hole on the feed hole of blending pipe, the material enters into the blending intraductal from feeding duckbill pipe, oval hole leaves vibration space for feeding duckbill pipe, can not inside and outside pipe interfere, bear the pressure of material in the feed bin by the outer tube, inside blending tube bank can not appear leading to upper and lower vibration amplitude different problem because of upper portion and lower part material pressure difference, upper portion and lower part material get into the flow of blending pipe the same, the material mixes more evenly, product quality is good.
Description
Technical Field
The invention relates to the technical field of blending bins, in particular to a gravity-fed blending bin.
Background
In the industrial field, in order to achieve the relatively stable quality requirement of materials, the gravity type mixing bin is used for mixing materials in different batches, uniform mixing is achieved by means of gravity flow in a full flow mode of the materials in the bin, the materials in different heights in the mixing bin enter the mixing tube through feeding holes in different heights in the mixing tube in the bin during discharging, and then the materials are sent into the mixing bin below through a conveying pipeline, so that the materials in different batches are discharged from the mixing bin at the same time, and the materials with uniform mixing are obtained.
The existing blending bin is generally provided with a vibrator at the top of the bin to provide power for the blending pipe to vibrate up and down, and materials in the bin are loosened through the up-down vibration of the blending pipe, so that the materials can quickly enter the blending pipe from the feeding hole. However, as the pressure generated by the material at the lower part of the bin is larger and the material is more compact, the pressure of the material at the lower part of the mixing pipe is larger, the conditions of small vibration amplitude at the lower part of the mixing pipe and large vibration amplitude at the upper part of the mixing pipe occur, and the flow of the upper material and the lower material entering the mixing pipe is different, so that the material is unevenly mixed and the product quality is seriously affected; in addition, in the case of the optical fiber,
the existing blending bin is large in size, and when the vibrator at the top of the bin is maintained or repaired, the vibrator needs to climb to the top of the bin, so that maintenance is unchanged and safety risks are brought; therefore, a blending bin with a bottom for vibrating and discharging and a better mixing effect needs to be designed.
Disclosure of Invention
In order to solve the problems, the invention provides a gravity-fed blending bin.
The technical scheme of the invention is as follows: the utility model provides a gravity unloading mix feed bin, includes that the lower extreme is equipped with the cylinder feed bin of toper storehouse bottom, characterized by: a plurality of cylindrical supports are uniformly distributed at the outer edge of the cover plate at the upper end of the cylindrical bin, through holes are formed in the cover plate covered by the cylindrical supports, an annular reinforcing table is arranged at the lower part of the outer side surface of the cylindrical supports, an annular supporting sleeve is arranged in the middle of the cylindrical supports, an annular groove is coaxially formed in the upper edge of the central hole of the annular supporting sleeve, a multi-point supporting ring made of polytetrafluoroethylene plastic is fixedly sleeved in the annular groove, a plurality of supporting bosses extending out of the annular groove are uniformly distributed on the side wall of the central hole of the multi-point supporting ring along the radial direction, and a sealing cover plate is arranged at the upper port of the cylindrical supports;
a plurality of vertical double-layer mixing pipes which are in one-to-one correspondence with the through holes on the cover plate are arranged in the cylindrical bin, the double-layer mixing pipes comprise an outer sleeve and mixing pipes, a plurality of feeding holes are formed in the outer side of the pipe wall of each mixing pipe at equal intervals along the direction of a bus, the adjacent feeding holes are staggered, and each feeding hole is fixedly connected with a feeding duckbill pipe which is inclined upwards along the direction of the bus of the mixing pipe; the outer sleeve is coaxially sleeved on the mixing pipe, the size of the outer sleeve is larger than that of the mixing pipe, a plurality of oval holes are formed in the pipe wall of the outer sleeve at equal intervals along the direction of a generatrix, the oval holes correspond to feeding duckbill pipes on the mixing pipe one by one, the feeding duckbill pipes extend out of the oval holes obliquely upwards, and the size of the oval holes is larger than that of the feeding duckbill pipes;
the upper end of the outer sleeve passes through the through hole on the cover plate and is coaxially and fixedly connected with the cylindrical support through the fixed support ring, the lower end of the outer sleeve is close to the upper side wall of the conical bin bottom, the upper end of the mixing pipe extends out from the middle of the multi-point support ring, the lower end of the mixing pipe downwards extends out from a round hole arranged on the upper side wall of the conical bin bottom, the outer side wall of the conical bin bottom is provided with an outer connecting pipe which covers the round hole and is sleeved outside the extending section, the lower end of the conical bin bottom is coaxially sleeved with a collecting bin, a plurality of collecting pipes which incline upwards are uniformly distributed on the side wall of the bin, and the upper end of the collecting pipe is in butt joint with the lower end of the outer connecting pipe;
the lower part of the outer side surface of the cylindrical bin is uniformly provided with a plurality of supporting seats, the lower ends of the supporting seats are fixedly connected with vertical supporting legs, the positions, corresponding to the lower ends of the outer connecting pipes, of the inner sides of the vertical supporting legs are provided with vibrating devices, the vibrating devices comprise fixing plates horizontally fixedly connected to the inner sides of the supporting legs, vibrating plates parallelly connected to the upper sides of the fixing plates, vibrators fixed in the middle of the upper surfaces of the vibrating plates, soft connecting joints connected between the collecting pipes and the outer connecting pipes, three vertical sliding columns distributed in a regular triangle shape are arranged on the fixing plates, three sliding holes sleeved on the three sliding columns in a sliding manner are arranged on the vibrating plates, the upper ends of the sliding columns are provided with limiting blocks positioned above the vibrating plates, springs are sleeved in the middle of the sliding columns, each soft connecting joint comprises an upper flange assembly butted with the lower ends of the outer connecting pipes, a lower flange assembly butted with the upper ends of the collecting pipes, soft connecting sleeves are arranged between the two upper flange plates of the upper flange assemblies and are in sealing connection, two annular plates corresponding to the soft connecting joints are symmetrically arranged at the two ends of the vibrating plates, the annular plates are coaxially fixedly connected between the upper flange assemblies and the lower flange assemblies, and the inner diameter of the annular plates is smaller than the inner diameter of the annular connecting pipes is fixedly connected with the lower ends of the annular connecting plates.
Preferably, the blending pipe is set as a blending pipe bundle, the blending pipe bundle comprises a plurality of blending pipes with two aligned ends and mutually tightly and fixedly connected, the side surfaces of the plurality of blending pipes are adjacently arranged at equal intervals in circumference, a plurality of feeding holes are formed in the outer side of the pipe wall of each blending pipe along the direction of a bus, the feeding holes of the adjacent blending pipes are staggered, the feeding duckbilled pipes on the blending pipe bundle are in one-to-one correspondence with the oval holes on the outer sleeve pipe and extend out of the oval holes, and the size of the outer sleeve pipe is larger than that of the blending pipe bundle.
Preferably, the upper edge of the middle hole of the annular plate is coaxially provided with an annular groove, a porous baffle is fixedly sleeved in the annular groove, a plurality of blanking holes are uniformly distributed in the middle of the porous baffle, the lower end face of the blending tube bundle is fixedly connected with the upper surface of the porous baffle, the lower ports of the blending tubes correspond to the plurality of blanking holes, and a limit sleeve matched with the outer side of the blending tube bundle is further arranged in the middle of the porous baffle.
Preferably, the mixing pipes of the mixing pipe bundles are fixedly connected by adopting a fastening sleeve, two ends of the fastening sleeve are coaxially and fixedly connected with two annular clamping plates, a plurality of arc-shaped grooves with the same quantity as the mixing pipe bundles are uniformly distributed at the edges of middle holes of the annular clamping plates, and the outer sides of the mixing pipes are matched and clamped in the arc-shaped grooves.
Preferably, an auxiliary mixing tube bundle is coaxially arranged in the conical bin bottom, the auxiliary mixing tube bundle and the mixing tube bundle have the same structure, an annular sealing plate made of elastic materials is coaxially fixed at the position, close to the feed opening, in the conical bin bottom, the lower end of the auxiliary mixing tube bundle is sleeved in a limiting hole in the middle of the annular sealing plate, and the auxiliary mixing tube bundle is fixedly connected with the lower end of the surrounding mixing tube bundle through a cross-shaped support.
Preferably, the annular sealing plate is provided with a conical flow guiding sleeve, the outer side surface of the conical flow guiding sleeve is attached to the side wall of the conical bin bottom, a conical hole sleeved on the outer side of the auxiliary mixing tube bundle is arranged in the conical flow guiding sleeve, and the lower port of the conical hole is contacted with the lower edge of the feeding hole at the bottommost end of the auxiliary mixing tube.
Preferably, the middle part of the collecting pipe is provided with a purging branch pipe which inclines upwards along the bus, annular shunt pipes are arranged between the upper ends of the high-pressure gas branch pipes and are connected, and joint pipes are further arranged on the annular shunt pipes.
Preferably, a manhole is arranged at the lower part of the cylindrical bin, and a manhole book is arranged at the lower part of the conical bin bottom.
The beneficial technical effects of the invention are as follows:
firstly, the mixing pipe in the mixing bin is set to be a double-layer mixing pipe, the lower end of the mixing pipe bundle in the double-layer mixing pipe is connected with the vibrating device at the bottom of the mixing bin, the outer sleeve is fixedly connected with the cylindrical support arranged on the end cover, the outer sleeve is provided with an oval hole, the feeding hole of the mixing pipe is provided with an inclined feeding duckbill pipe extending from the oval hole, materials enter the mixing pipe from the feeding duckbill pipe, the oval hole leaves a vibrating space for the feeding duckbill pipe, the inner pipe and the outer pipe cannot interfere, the pressure of the materials in the mixing bin is borne by the outer sleeve, the problem that the upper and lower vibrating amplitudes are different due to the difference of the upper and lower material pressures cannot occur in the mixing pipe bundle, the flow of the upper and lower materials entering the mixing pipe is the same, the materials are more uniformly mixed, and the product quality is good.
Then, the upper end of the mixing tube bundle in the mixing bin is sleeved between the multipoint support rings in the cylindrical support, the lower end of the mixing tube bundle is connected with a vibrating device, a fixing plate of the device is fixedly connected with supporting legs of the bin, the vibrating plate is slidably connected above the fixing plate through a sliding column, a spring for providing elastic support for the vibrating plate is arranged in the middle of the sliding column, annular plates at two ends of the vibrating plate are fixedly sleeved on the mixing tubes in the flexible connection joints at two sides, the vibrating plate is driven to vibrate up and down through a vibrator, power for mixing and discharging materials is provided for the mixing tube bundle by vibrating up and down, the flexible connection joints are used for keeping sealing connection between a sleeve and a collecting tube at the lower part during vibration, the vibrating device is arranged at the lower end of the bin, maintenance and maintenance are convenient and lower in safety risk, and vibration force is transmitted from bottom up to top, so that the problem that the vibration amplitude is small due to the fact that the lower part of the mixing tube is subjected to large material pressure is solved, the flow difference of the upper part and lower part materials entering the mixing tube is small, and mixing is more uniform.
And finally, an auxiliary mixing tube bundle is arranged in the conical bin bottom, the auxiliary mixing tube bundle and all surrounding mixing tubes are fixedly connected through a cross support, vibration force is transmitted to the auxiliary mixing tube bundle through the cross support by the surrounding mixing tubes, the auxiliary mixing tube bundle vibrates up and down in the conical bin bottom, materials in different batches in the conical bin bottom are mixed and discharged, and the overall mixing of the materials in the bin is more uniform.
Drawings
FIG. 1 is a schematic diagram of the front view of the present invention;
FIG. 2 is a cross-sectional view taken along A-A of FIG. 1;
FIG. 3 is a schematic top view of the present invention;
FIG. 4 is a B-B cross-sectional view of FIG. 3;
FIG. 5 is a C-C cross-sectional view of FIG. 4;
FIG. 6 is an enlarged view at a of FIG. 4;
FIG. 7 is a D-D sectional view of FIG. 6;
FIG. 8 is an enlarged view at b of FIG. 4;
FIG. 9 is an enlarged view at c of FIG. 4;
FIG. 10 is a schematic view of the front view of a dual-layer mixing and plugging tube of the present invention;
FIG. 11 is an E-E cross-sectional view of FIG. 10;
FIG. 12 is an enlarged view of a portion of FIG. 10;
FIG. 13 is a schematic cross-sectional structural view of FIG. 12;
FIG. 14 is a schematic perspective view of a blend tube bundle;
FIG. 15 is a schematic perspective view of an outer sleeve;
FIG. 16 is a schematic perspective view of a fastener sleeve;
FIG. 17 is a schematic perspective view of a vibration device of the present invention;
FIG. 18 is a schematic side view of a vibration device;
FIG. 19 is an E-E cross-sectional view of FIG. 18;
FIG. 20 is a schematic perspective view of a vibrating plate in a vibrating device (wherein a perforated plate is installed in one of annular grooves);
FIG. 21 is a schematic perspective view of a porous plate;
FIG. 22 is a schematic perspective view of a multi-point support ring;
in the figure, 01, a cylindrical bin, 11, a conical bin bottom, 111, a conical guide sleeve, 112, a conical hole, 12, a cylindrical support, 121, an annular reinforcing table, 122, a sealing cover plate, 123, an annular supporting sleeve, 124, a multi-point supporting ring, 1241, supporting bosses, 125, a fixed supporting ring and a sealing cover plate,
13. An outer connecting pipe, 14, a cover plate, 15, a supporting seat, 151, vertical supporting legs,
02. Double-layer mixing pipe, 21 mixing pipe bundle, 211 mixing pipe, 213 feeding hole, 214 feeding duckbill pipe, 22 outer sleeve, 221 elliptic hole, 23 fastening sleeve, 231 annular clamping plate, 232 arc groove,
03. Collecting bin, 31. Collecting pipe,
04. Vibration device 41, fixed plate 42, vibration plate 421, slide hole 422, annular plate 4221, annular groove 43, vibrator 44, flexible joint 441, upper flange assembly 442, lower flange assembly 443, upper flange, 444, lower flange, 445, flexible joint sleeve 45, slide column 451, stopper 46, spring B, 47, porous baffle 471, blanking hole 472, stop collar,
05. Auxiliary mixing tube bundle, 51, annular sealing plate, 52, cross-shaped bracket,
61. Purge branch pipe, 62. Annular shunt tubes, 71. Manhole.
Description of the embodiments
Referring to fig. 1-22 of the specification, a gravity blanking blending bin comprises a cylindrical bin with a conical bin bottom at the lower end, a plurality of cylindrical supports are uniformly distributed at the outer edge of a cover plate at the upper end of the cylindrical bin, through holes are formed at the cover plate covered by the cylindrical supports, an annular reinforcing table is arranged at the lower part of the outer side face of the cylindrical supports and used for increasing the connection strength between the cylindrical supports and the cover plate, an annular supporting sleeve is arranged in the middle part of the cylindrical supports, an annular groove is coaxially arranged at the upper edge of a central hole of the annular supporting sleeve, a multi-point supporting ring made of polytetrafluoroethylene plastic material is fixedly sleeved in the annular groove, a plurality of supporting bosses extending out of the annular groove are uniformly distributed at the side wall of the central hole of the multi-point supporting ring in the radial direction, and a sealing cover plate is arranged at the upper port of the cylindrical supports.
The supporting bosses of the multi-point supporting ring made of polytetrafluoroethylene plastic are used for absorbing energy with the mixing pipe, so that vibration force of vibration at the upper end of the mixing pipe can be absorbed efficiently, impact force received by the supporting ring can be relieved, the service life of the supporting ring is prolonged, the friction coefficient of the multi-point supporting ring is very low, friction force between the supporting bosses and the mixing pipe can be reduced, a lubricating effect is achieved, and the vibration effect of the mixing pipe is improved.
A plurality of vertical double-layer mixing pipes which are in one-to-one correspondence with the through holes on the cover plate are arranged in the cylindrical bin, the double-layer mixing pipes comprise an outer sleeve and mixing pipes, a plurality of feeding holes are formed in the outer side of the pipe wall of each mixing pipe at equal intervals along the direction of a bus, the adjacent feeding holes are staggered, and each feeding hole is fixedly connected with a feeding duckbill pipe which is inclined upwards along the direction of the bus of the mixing pipe; the outer sleeve is coaxially sleeved on the mixing pipe, the size of the outer sleeve is larger than that of the mixing pipe, a plurality of oval holes are formed in the pipe wall of the outer sleeve at equal intervals along the direction of a generatrix, the oval holes correspond to feeding duckbill pipes on the mixing pipe one by one, the feeding duckbill pipes extend out of the oval holes obliquely upwards, and the size of the oval holes is larger than that of the feeding duckbill pipes;
the upper end of the outer sleeve passes through the through hole on the cover plate and is coaxially and fixedly connected with the cylindrical support through the fixed support ring, the lower end of the outer sleeve is close to the upper side wall of the conical bin bottom, the upper end of the blending tube stretches out from the middle of the multi-point support ring, the lower end of the blending tube downwards stretches out from the round hole arranged on the upper side wall of the conical bin bottom, the outer side wall of the conical bin bottom is provided with an outer connecting tube which covers the round hole and is sleeved outside the stretching section, the space in the outer connecting tube is limited, the stretching section at the lower end of the blending tube is not provided with a feeding duckbill tube, the lower end of the conical bin bottom is coaxially sleeved with a collecting bin, the side wall of the collecting bin is uniformly provided with a plurality of collecting tubes which incline upwards, the upper ends of the collecting tubes are butted with the lower ends of the outer connecting tube, the outer sleeve is used as a fixed support tube for bearing the pressure of materials, the blending tube vibrates up and down in the outer sleeve, the materials in the bin enter the blending tube from the feeding duckbill tube, the oval hole leaves a space for the feeding duckbill tube to vibrate up and down, the problem that the upper vibration amplitude is different in the upper vibration amplitude of the blending tube is avoided that the lower part of the blending tube is subjected to the pressure of the materials is high, and the upper vibration amplitude is good;
the lower part of the outer side surface of the cylindrical bin is uniformly provided with a plurality of supporting seats, the lower ends of the supporting seats are fixedly connected with vertical supporting legs, the positions, corresponding to the lower ends of the outer connecting pipes, of the inner sides of the vertical supporting legs are provided with vibrating devices, the vibrating devices comprise fixing plates horizontally fixedly connected to the inner sides of the supporting legs, vibrating plates parallelly connected to the upper sides of the fixing plates, vibrators fixed in the middle of the upper surfaces of the vibrating plates, soft connecting joints connected between the collecting pipes and the outer connecting pipes, three vertical sliding columns distributed in a regular triangle shape are arranged on the fixing plates, three sliding holes sleeved on the three sliding columns in a sliding manner are arranged on the vibrating plates, the upper ends of the sliding columns are provided with limiting blocks positioned above the vibrating plates, springs are sleeved in the middle of the sliding columns, the soft connecting joints comprise upper flange assemblies butted with the lower ends of the outer connecting pipes, lower flange assemblies butted with the upper ends of the collecting pipes, soft connecting sleeves are in sealing connection between the two upper flange plates of the upper flange assemblies, soft connecting sleeves are arranged between the two lower flange plates of the lower flange assemblies, annular plates are symmetrically provided with annular plates corresponding to the soft connecting joints, the annular plates are coaxially fixedly connected between the upper flange assemblies and the lower flange assemblies, and the annular plates are fixedly connected with the annular flange assemblies along with the inner diameters of the lower flange assemblies, and the annular flange assemblies are deformed along with the inner diameters of the upper flange assemblies and the lower flange assemblies are fixedly arranged on the lower flange and the lower flange assemblies.
The mixing tube is arranged into a mixing tube bundle, the mixing tube bundle comprises a plurality of mixing tubes with two ends aligned and tightly and fixedly connected with each other, the side surfaces of the plurality of mixing tubes are adjacently arranged at equal intervals in circumference, a plurality of feeding holes are formed in the outer side of the tube wall of each mixing tube along the direction of a bus, the feeding holes of the adjacent mixing tubes are staggered, the feeding duckbill tubes on the mixing tube bundle correspond to the oval holes on the outer sleeve one by one and extend out of the oval holes, and the size of the outer sleeve is larger than that of the mixing tube bundle. The compressive strength of the mixing pipes can be reduced by a plurality of densely distributed feeding holes in the pipe wall of the single mixing pipe, deformation or fracture is easy to occur due to long-term high-load up-down vibration, the mixing pipe bundles fix the mixing pipes into a whole, only one row of feeding holes are arranged on the outer side of each mixing pipe, the compressive strength of the single mixing pipe is enhanced, and the integral structural strength of the mixing pipe bundles is greatly improved, not easy to deform and long in service life.
The upper edge of the middle hole of the annular plate is coaxially provided with an annular groove, a plurality of blanking holes are fixedly sleeved in the annular groove, the middle of the porous baffle is uniformly distributed with a plurality of blanking holes, the lower end face of the blending tube bundle is fixedly connected with the upper surface of the porous baffle, the lower ports of the blending tubes correspond to the blanking holes, a sealing structure is formed between the blending tube bundle and the soft connecting joint, the annular plate vibrates up and down to provide power for the blending tube bundle to vibrate up and down, materials in the blending tube bundle correspondingly flow into aggregate tubes downwards from the blanking holes on the porous baffle in the process, normal blanking of the blending tube bundle is not influenced while vibrating, the middle of the porous baffle is also provided with a limiting sleeve matched with the outer side of the blending tube bundle, and the limiting sleeve is used for enhancing the limiting effect and the sealing effect between the lower end of the blending tube bundle and the porous baffle.
Adopt adapter sleeve fixed connection between the blending pipe of blending tube bank, the coaxial fixedly connected with in both ends of adapter sleeve two annular clamping plates, the centre bore border equipartition of this annular clamping plate has a plurality of and blends the same arc wall of tube bank volume, and the outside of blending pipe matches the card and go into in the arc wall, and each arc wall is with the inseparable cuff of a plurality of blending pipes to be integrative, the difficult dislocation separation's that appears between each blending pipe problem has improved the joint strength between each blending pipe.
The conical bin bottom is coaxially provided with an auxiliary mixing tube bundle, the auxiliary mixing tube bundle and the mixing tube bundle have the same structure, an annular sealing plate made of elastic materials is coaxially fixed at a position close to the blanking opening in the conical bin bottom, the elastic materials can be rubber, the lower end of the auxiliary mixing tube bundle is sleeved in a limiting hole in the middle of the annular sealing plate, and the auxiliary mixing tube bundle is fixedly connected with the lower end of the surrounding mixing tube bundle through a cross-shaped bracket.
The annular sealing plate on be equipped with the toper water conservancy diversion cover, the lateral surface of this toper water conservancy diversion cover is laminated with the lateral wall in toper storehouse bottom, is equipped with the bell mouth of cover in supplementary mixing tube bank outside in the toper water conservancy diversion cover, the lower port in bell mouth and supplementary mixing tube lower extreme's feed port down the border contact.
The up end of annular closing plate is the plane, and the material of here can't be discharged from the feed inlet of supplementary mixing tube bank lower extreme completely, and long-time remaining material can appear going bad, causes the pollution of toper storehouse bottom material, sets up the toper water conservancy diversion cover and can thoroughly discharge the left material in bottom from the feed inlet department of bell mouth water conservancy diversion to supplementary mixing tube bank lower extreme, has solved the remaining problem of material.
The middle part of collecting pipe is equipped with the purge branch pipe of following the busbar upward sloping, is equipped with annular shunt tubes between the upper ends of a plurality of high-pressure gas branch pipes and connects, still is equipped with the joint pipe on the annular shunt tubes. In the process of vibration blanking, high-pressure gas is split into each purging branch pipe through the annular split pipe, so that the flow speed of materials in the collecting pipe to the collecting bin is increased, the overall blanking speed of the bin can be increased, and the problem that the collecting pipe is easy to block can be avoided
The lower part of the cylindrical bin is provided with a manhole, and the lower part of the conical bin bottom is provided with a manhole.
The working process and principle of the invention are as follows:
the vibrator of the vibrating device is started, the vibrating plate is driven to slide up and down along the sliding column of the fixed plate through the vibrator, the springs on the sliding column provide elastic vibration support for the vibrating plate, the annular plates at two ends of the vibrating plate are fixedly sleeved on the mixing pipes in the soft connecting joints at two sides, the vibrating plate provides power for mixing and discharging materials for the mixing pipes through up-and-down vibration, when the annular plates vibrate up and down, the soft connecting sleeve of the upper flange component of the soft connecting joint deforms along with up-and-down expansion, the soft connecting sleeve of the lower flange component deforms along with up-and-down expansion, sealing connection of the outer connecting pipe and the lower collecting pipe is maintained, the upper ends of the mixing pipe groups move up and down in the multi-point supporting rings of the cylindrical support during vibration discharging materials, the vibration absorbing effect of the multi-point supporting rings is good, the lubricating effect is achieved, the materials of each batch flow into the collecting bin downwards from each mixing pipe group simultaneously, the vibrating force is transmitted to the auxiliary mixing pipe bundles in the middle of the conical bin bottom through the cross support, and the auxiliary mixing pipe bundles vibrate up and down in the conical bin bottom, and the materials are discharged into the collecting bin simultaneously.
Claims (8)
1. The utility model provides a gravity unloading mix feed bin, includes that the lower extreme is equipped with the cylinder feed bin of toper storehouse bottom, characterized by: a plurality of cylindrical supports are uniformly distributed at the outer edge of the cover plate at the upper end of the cylindrical bin, through holes are formed in the cover plate covered by the cylindrical supports, an annular reinforcing table is arranged at the lower part of the outer side surface of the cylindrical supports, an annular supporting sleeve is arranged in the middle of the cylindrical supports, an annular groove is coaxially formed in the upper edge of the central hole of the annular supporting sleeve, a multi-point supporting ring made of polytetrafluoroethylene plastic is fixedly sleeved in the annular groove, a plurality of supporting bosses extending out of the annular groove are uniformly distributed on the side wall of the central hole of the multi-point supporting ring along the radial direction, and a sealing cover plate is arranged at the upper port of the cylindrical supports;
a plurality of vertical double-layer mixing pipes which are in one-to-one correspondence with the through holes on the cover plate are arranged in the cylindrical bin, the double-layer mixing pipes comprise an outer sleeve and mixing pipes, a plurality of feeding holes are formed in the outer side of the pipe wall of each mixing pipe at equal intervals along the direction of a bus, the adjacent feeding holes are staggered, and each feeding hole is fixedly connected with a feeding duckbill pipe which is inclined upwards along the direction of the bus of the mixing pipe; the outer sleeve is coaxially sleeved on the mixing pipe, the size of the outer sleeve is larger than that of the mixing pipe, a plurality of oval holes are formed in the pipe wall of the outer sleeve at equal intervals along the direction of a generatrix, the oval holes correspond to feeding duckbill pipes on the mixing pipe one by one, the feeding duckbill pipes extend out of the oval holes obliquely upwards, and the size of the oval holes is larger than that of the feeding duckbill pipes;
the upper end of the outer sleeve passes through the through hole on the cover plate and is coaxially and fixedly connected with the cylindrical support through the fixed support ring, the lower end of the outer sleeve is close to the upper side wall of the conical bin bottom, the upper end of the mixing pipe extends out from the middle of the multi-point support ring, the lower end of the mixing pipe downwards extends out from a round hole arranged on the upper side wall of the conical bin bottom, the outer side wall of the conical bin bottom is provided with an outer connecting pipe which covers the round hole and is sleeved outside the extending section, the lower end of the conical bin bottom is coaxially sleeved with a collecting bin, a plurality of collecting pipes which incline upwards are uniformly distributed on the side wall of the collecting bin, and the upper end of the collecting pipe is in butt joint with the lower end of the outer connecting pipe;
the lower part of the outer side surface of the cylindrical bin is uniformly provided with a plurality of supporting seats, the lower ends of the supporting seats are fixedly connected with vertical supporting legs, the positions, corresponding to the lower ends of the outer connecting pipes, of the inner sides of the vertical supporting legs are provided with vibrating devices, the vibrating devices comprise fixing plates horizontally fixedly connected to the inner sides of the supporting legs, vibrating plates parallelly connected to the upper sides of the fixing plates, vibrators fixed in the middle of the upper surfaces of the vibrating plates, soft connecting joints connected between the collecting pipes and the outer connecting pipes, three vertical sliding columns distributed in a regular triangle shape are arranged on the fixing plates, three sliding holes sleeved on the three sliding columns in a sliding manner are arranged on the vibrating plates, the upper ends of the sliding columns are provided with limiting blocks positioned above the vibrating plates, springs are sleeved in the middle of the sliding columns, each soft connecting joint comprises an upper flange assembly butted with the lower ends of the outer connecting pipes, a lower flange assembly butted with the upper ends of the collecting pipes, soft connecting sleeves are arranged between the two upper flange plates of the upper flange assemblies and are in sealing connection, two annular plates corresponding to the soft connecting joints are symmetrically arranged at the two ends of the vibrating plates, the annular plates are coaxially fixedly connected between the upper flange assemblies and the lower flange assemblies, and the inner diameter of the annular plates is smaller than the inner diameter of the annular connecting pipes is fixedly connected with the lower ends of the annular connecting plates.
2. The gravity-fed blending hopper of claim 1, wherein: the mixing tube is arranged into a mixing tube bundle, the mixing tube bundle comprises a plurality of mixing tubes with two ends aligned and tightly and fixedly connected with each other, the side surfaces of the plurality of mixing tubes are adjacently arranged at equal intervals in circumference, a plurality of feeding holes are formed in the outer side of the tube wall of each mixing tube along the direction of a bus, the feeding holes of the adjacent mixing tubes are staggered, the feeding duckbill tubes on the mixing tube bundle correspond to the oval holes on the outer sleeve one by one and extend out of the oval holes, and the size of the outer sleeve is larger than that of the mixing tube bundle.
3. The gravity-fed blending hopper of claim 2, wherein: the upper edge of the middle hole of the annular plate is coaxially provided with an annular groove, a porous baffle is fixedly sleeved in the annular groove, a plurality of blanking holes are uniformly distributed in the middle of the porous baffle, the lower end face of the blending tube bundle is fixedly connected with the upper surface of the porous baffle, the lower ports of the blending tubes correspond to the blanking holes, and a limit sleeve matched with the outer side of the blending tube bundle is further arranged in the middle of the porous baffle.
4. The gravity-fed blending hopper of claim 2, wherein: the mixing pipes of the mixing pipe bundles are fixedly connected by adopting a fastening sleeve, two ends of the fastening sleeve are coaxially and fixedly connected with two annular clamping plates, a plurality of arc-shaped grooves with the same quantity as the mixing pipe bundles are uniformly distributed at the edges of middle holes of the annular clamping plates, and the outer sides of the mixing pipes are matched and clamped in the arc-shaped grooves.
5. The gravity-fed blending hopper of claim 2, wherein: the conical bin bottom is internally and coaxially provided with an auxiliary mixing tube bundle, the auxiliary mixing tube bundle and the mixing tube bundle have the same structure, an annular sealing plate made of elastic materials is coaxially fixed at a position close to the blanking opening in the conical bin bottom, the lower end of the auxiliary mixing tube bundle is sleeved in a limiting hole in the middle of the annular sealing plate, and the auxiliary mixing tube bundle is fixedly connected with the lower end of the surrounding mixing tube bundle through a cross-shaped bracket.
6. The gravity fed blending hopper of claim 5, wherein: the annular sealing plate on be equipped with the toper water conservancy diversion cover, the lateral surface of this toper water conservancy diversion cover is laminated with the lateral wall in toper storehouse bottom, is equipped with the bell mouth of cover in supplementary mixing tube bank outside in the toper water conservancy diversion cover, the lower port in bell mouth and supplementary mixing tube lower extreme's feed port down the border contact.
7. The gravity-fed blending hopper of claim 1, wherein: the middle part of collecting pipe is equipped with the branch pipe that sweeps that follows the busbar upward sloping, is equipped with annular shunt tubes between the upper ends of a plurality of branch pipes that sweep and connects, still is equipped with the joint pipe on the annular shunt tubes.
8. The gravity-fed blending hopper of claim 1, wherein: the lower part of the cylindrical bin is provided with a manhole, and the lower part of the conical bin bottom is provided with a manhole.
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| CN202111409511 | 2021-11-20 | ||
| CN2021114095115 | 2021-11-20 |
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| CN114210250B true CN114210250B (en) | 2024-03-01 |
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| DE2448031A1 (en) * | 1974-10-09 | 1976-04-15 | Rietbergwerke Kg | Weighing and blending fertilisers - with means of varying blend using conical screw mixer with weighing mechanism |
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| CN114210250A (en) | 2022-03-22 |
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