CN105461360B - Tower bottom scraper of high tower granulation device - Google Patents
Tower bottom scraper of high tower granulation device Download PDFInfo
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- CN105461360B CN105461360B CN201510975671.4A CN201510975671A CN105461360B CN 105461360 B CN105461360 B CN 105461360B CN 201510975671 A CN201510975671 A CN 201510975671A CN 105461360 B CN105461360 B CN 105461360B
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05C—NITROGENOUS FERTILISERS
- C05C9/00—Fertilisers containing urea or urea compounds
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- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05G—MIXTURES OF FERTILISERS COVERED INDIVIDUALLY BY DIFFERENT SUBCLASSES OF CLASS C05; MIXTURES OF ONE OR MORE FERTILISERS WITH MATERIALS NOT HAVING A SPECIFIC FERTILISING ACTIVITY, e.g. PESTICIDES, SOIL-CONDITIONERS, WETTING AGENTS; FERTILISERS CHARACTERISED BY THEIR FORM
- C05G1/00—Mixtures of fertilisers belonging individually to different subclasses of C05
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- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Fertilizers (AREA)
Abstract
The invention provides a tower bottom scraper of a high tower granulation device, wherein a power end and a rotating end of the scraper are relatively fixed, a scraping arm of the scraper consists of a steel wire rope connected with a scraping plate, the power end of the scraper can be arranged at the center of a feed opening of a conical hopper or at the rotating end, and materials on the upper surface of the bottom of the conical hopper or a flat tower are scraped to the center feed opening of the conical hopper under the driving of a motor reducer; the device is convenient to install, and the device provided with the cantilever type scraper, the V-shaped receiving hopper and the disc type scraper can be transformed into a fixed-arm flexible-arm scraper device; because the scraping arm of the device is flexible, the scraping arm is not easy to dip and stick materials, the upper surface of the conical hopper is not easy to accumulate material and dissolve water, and the quality of the produced product is improved; the invention solves the technical problems of high production cost, high manufacturing cost of a tower bottom material receiving device, high power consumption, high labor intensity for cleaning the tower bottom and influence on yield in the prior art.
Description
Technical Field
The invention relates to a urea high-tower granulating device and a material receiving device under a high-tower compound fertilizer granulating device, in particular to a tower bottom scraper of the high-tower granulating device.
Background
In the current high tower melt granulation device, the receiving modes at the bottom of the granulation tower comprise a cantilever type scraper, a V-shaped receiving hopper, a W-shaped receiving hopper and a disc type scraper, and the actual operation conditions of the receiving modes in the high tower melt granulation device are analyzed as follows.
Cantilever type scraper
The cantilever type scraper is arranged on a conical concrete hopper with an angle of 15-18 degrees at the bottom of the granulation tower, a transmission device is arranged on a bolt pre-embedded in civil engineering below the conical bottom of the conical hopper, the transmission device drives the cantilever above the conical hopper to rotate, and a plurality of scraping plates with angles distributed on the cantilever rotate along with the cantilever and gradually scrape the fertilizer to the center of the tower for blanking;
the cantilever is fixed by the central fulcrum of the cone bucket and drives the cantilever to rotate, other parts have no fulcrum, the strength of the cantilever cannot be too large, the operation load is too large and the power consumption is increased when the strength of the cantilever is too large; after the device operates for a period of time, because wet stickness and the caking of material at the bottom of the tower cause the cantilever resistance to increase, cause the cantilever to upwarp for the distance between the cantilever and the upper surface that the awl was fought is bigger and bigger, and the bed of material on the awl is fought is piled up more thickly more, causes the moisture absorption water on the bed of material, causes environmental pollution and fertilizer to run off. The cantilever of the scraper can be sticky, and the more sticky the cantilever, the accumulated materials can automatically fall off to a certain degree, and the fallen large blocks can easily block the feed opening, so that the scraper must be stopped for processing. The cantilever type scraper has high manufacturing cost and large power consumption.
The disadvantage of V-shaped receiving hopper
The mounting height of the V-shaped receiving hopper is higher, taking the tower diameter of the granulation tower with phi 18000mm as an example, the maximum elevation of the V-shaped receiving hopper is at 15000mm of the cylinder body of the granulation tower, so that the effective height of the tower is reduced. If the rotating speed of the granulator is improperly controlled, accumulated materials of the V-shaped receiving hopper are more and more, the granulator needs to be stopped for cleaning after being generally operated for 2 months, otherwise, the V-shaped receiving hopper is collapsed, and the cleaning difficulty is high and unsafe.
W-shaped material receiving hopper
The W-shaped receiving hopper is developed on the basis of the V-shaped receiving hopper, namely, a plurality of long V-shaped receiving hoppers are made of steel structures, the section is W-shaped, and 1 finished product receiving belt is arranged below each V-shaped receiving hopper. The number of the W-shaped receiving hoppers increases with the increase of the diameter of the granulation tower, and is generally 2-6 hoppers. Compared with the V-shaped receiving hopper, the height of the W-shaped receiving hopper is reduced by about 9000mm, and the capital investment is saved. The problem of material accumulation and adhesion of the W-shaped collecting hopper is relatively common, numerous enterprises and design units adopt various corresponding modes, but the problem is not completely solved so far, and the cleaned scar blocks still need to be broken again and then return to a system for digestion treatment. The finished product discharging belt at the lower part of the W-shaped receiving hopper has the problem that materials fall off, fertilizers falling on the ground need to be cleaned in time every shift, and particularly in summer, if the fertilizers cannot be cleaned in time, the fertilizers absorb moisture and are dissolved, so that the fertilizer loss and the environmental pollution are caused. The black rubber that the belt feeder wearing and tearing got off when operation can influence the outward appearance of fertilizer, and summer is especially serious.
Disc type scraper
For example, Chinese patent CN103394306A discloses a scraper in a receiving disc at the bottom of a high tower for compound fertilizer granulation, which is characterized in that a rotating flat receiving disc with a central feeding hole is arranged at the bottom of the high tower, 2-3 rotating spiral conveyors are arranged on the receiving disc, the transmission end of each spiral conveyor is fixedly arranged at the tower wall, the other end of each spiral conveyor is fixedly arranged at the central hole of the disc, the spiral conveyors do not rotate along with the receiving disc, when the materials on the receiving disc rotate to the spiral conveyors, the materials on the discs passing through the spiral conveyors are scraped to the centers of the discs by the rotation of the spiral conveyors, and the process of receiving materials at the bottom of the tower is completed; the invention has the disadvantages that the material collection is flat disc material collection, which causes large load and more particles on the screw conveyer; the spiral conveyor and a disc with a larger diameter at the bottom of the high tower rotate simultaneously, and the required power is larger; the tower bottom needs to be provided with more foundations and more tugs to support a larger rotating disc, the mechanism is complex, the space at the tower bottom is occupied, and the maintenance and the cleaning at the tower bottom are inconvenient.
For example, Chinese patent CN204469663U discloses a tower bottom rotating arm type scraper for high tower compound fertilizer, which is characterized by comprising a material receiving surface and a rotating arm type scraping mechanism which are arranged at the bottom of a high tower, wherein the rotating arm type scraping mechanism is arranged above the material receiving surface, a conical material receiving hopper is arranged below the rotating arm type scraping mechanism, a discharging pipe is connected to the center of the material receiving surface, a large gear is sleeved outside the discharging pipe, a small gear meshed with the large gear is arranged on one side of the large gear, and the small gear is connected with a power mechanism; the bull gear is connected with the rotating arm type scraping mechanism. The device only has the fixed pivot of the center of the cone bucket and has no pivot at other positions, and the strength of the cantilever cannot be too large; therefore, after the device runs for a period of time, the cantilever is enabled to upwarp, so that the distance between the cantilever and the upper surface of the conical hopper is enabled to be larger and larger, and the material layer on the conical hopper is thicker and thicker, so that moisture absorption and water melting of the material layer are caused, and environmental pollution and fertilizer loss are caused; the rotating arm of the rotating arm type scraper can be used for sticking materials, and the more the materials are stuck, the longer the materials are, the longer the time is, the stopping treatment is needed; the device has high cost and large power consumption.
Above several receipts material modes lead to the weakening of other functions when strengthening unilateral function, and the ubiquitous problem of investing in height, power consumption height.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention provides a device which can prevent the accumulation of a cone hopper at the bottom of a high tower, can clean falling materials in the tower in time and can not be adhered, namely a tower bottom scraper of a high tower granulation device.
The technical scheme adopted by the invention is as follows: the utility model provides a scraper at bottom of high tower prilling granulator tower, is including the high tower granulation awl fill that is provided with the feed opening and scraper body, and this scraper body is installed on the high tower granulation awl fill upper surface, its innovation point lies in: the high tower granulation cone hopper is provided with an outer circumferential track; the scraper comprises a power end, a rotating end with an outer circumferential track, a scraping arm and a rotating support, wherein two ends of the scraping arm are respectively connected with the rotating support and the power end; the power end is arranged at one end and drives the rotary support to rotate so as to drive the scraping arm to rotate on the upper surface of the high tower granulation cone; the rotating end is arranged on an outer circumferential track of the high tower granulation cone bucket.
On the basis, the power end is arranged at the center of a feed opening of the high tower granulation cone bucket or at the rotating end.
On the basis, the scraping arm of the scraper consists of flexible ropes and scraping plates, wherein the flexible ropes or the flexible ropes are connected with the scraping plates, and the scraping plates are arranged on the flexible ropes.
On the basis, the scraping plate and a generatrix of the high tower granulation cone hopper form an included angle of 0-30 degrees, and the lower edge of the scraping plate is tightly attached to the upper surface of the high tower granulation cone hopper.
On this basis, the flexible rope is a steel wire rope.
On the basis, the scraper plate comprises an upper part and a lower part, and the upper part and the lower part are integrally formed; the upper part of the scraping plate is provided with a hanging ring, and the upper part of the scraping plate is parallel to a generatrix or a radial line of a flat bottom of the high tower granulation cone bucket; the hanging ring is connected with the flexible rope through a rope buckle; the lower part of the scraping plate is in a pear knife shape and forms an included angle of 0-30 degrees with a generating line or a flat-bottom radial line of the high tower granulation conical hopper, and materials scraped by the scraping plate are gathered towards the center of the tower bottom.
On the basis, the power end comprises a motor and a speed reducer, and the motor and the speed reducer drive the rotary support to rotate.
On the basis, the rotating end comprises a radial pulley and an axial pulley, the central shaft of the radial pulley is horizontally arranged, and the axial extension line of the central shaft is intersected with the central axis of the cone bucket; the central shaft of the axial pulley is parallel to the central axis of the high tower granulation cone bucket, and rotates around the center of the high tower granulation cone bucket along with the scraping arm of the scraper.
On the basis, the outer circumferential track comprises a horizontal circumferential track and a vertical circumferential track; the radial pulley rolls on the horizontal circumferential track of the high tower granulation cone bucket and the axial pulley rolls on the vertical circumferential track of the high tower granulation cone bucket, so that the rotating end of the scraper rotates on the outer circumferential track of the high tower granulation cone bucket.
On the basis, the rotating end also comprises a trolley, the bottom and the side part of the trolley are provided with outer circumferential rails, the upper part of the trolley is provided with a power end or a rotating support, the power end or the rotating support is connected with a flexible rope of the scraping arm, and if the power end is arranged at the rotating end, the trolley is provided with a motor and a speed reducer; if the power end is arranged at the center of the cone bucket, the motor reducer is arranged on the rotary support, the motor cable is protected by a cable protection sleeve and is connected to the center of an inner hole of the rotary support through a motor junction box; the cable protection sleeve is arranged at the center of an inner hole of the rotary support, a cable is arranged in the cable protection sleeve, and the cable in the rotary support is connected with a cable rotary joint, so that when the trolley rotates around the center of a conical bottom or a flat bottom of a high tower, the cable can move and is not wound.
Compared with the prior art, the invention has the beneficial effects that:
(1) the scraper is convenient to install, and can modify the devices of a cantilever type scraper, a V-shaped receiving hopper and a disc type scraper which are installed at the bottom of a high tower granulation device into the scraper provided with a power end and a rotating end; wherein, the power end is arranged at one end and drives the rotary support to rotate so as to drive the scraping arm to rotate on the upper surface of the high tower granulation cone; the rotary end is installed on the outer circumference track of high tower granulation awl fill, has solved prior art and has had manufacturing cost height, and material collecting device cost is high at the bottom of the tower, and the big and influence productivity's of intensity of labour technical problem at the bottom of the clearance tower.
(2) The scraper of the invention has much lower total weight of the moving parts of the scraper, so that the power consumption of the device during operation is low; because this scraper scrapes the flexible rope of material arm and is the flexible part for scrape the material arm and be difficult for dipping in glutinous material, and can make the pear sword shape lower part of scraping the flitch hug closely the upper surface of awl fill, make the difficult long-pending material of upper surface of awl fill, the difficult material water phenomenon that takes place has improved the quality of the product of producing.
(3) According to the scraper, the scraping arm consists of the flexible rope and the scraping plate, fixed supporting points are arranged at two ends of the scraping arm, and the height of the flexible rope can be adjusted, so that the scraping plate of the scraping arm is tightly attached to the conical hopper or the flat-bottom hopper at the bottom of the tower; because the scraping plate and the conical hopper generatrix or the radial line at the bottom of the flat tower form a certain included angle, the included angle is 0-30 degrees, so that the materials scraped by the scraping plate are more favorable for gathering towards the center of the bottom of the tower; the material is received more thoroughly.
(4) The scraper can prevent the material accumulation of the cone hopper at the bottom of the high tower, can clean falling materials in the tower in time, cannot be adhered to the materials, has low labor intensity for cleaning the bottom of the tower, and effectively improves the yield and the yield.
Drawings
FIG. 1 is a schematic view of an embodiment of the present invention with the power end of the scraper mounted in the center of the cone;
FIG. 2 is an enlarged view of a portion of the rotating end of the scraper mounted in the center of the cone;
FIG. 3 is a schematic view of an embodiment of the power end of the scraper mounted at the rotating end of the scraper in accordance with the present invention;
FIG. 4 is an enlarged view of a portion of the power end of the scraper mounted at the rotating end of the scraper in accordance with the present invention;
fig. 5 is an enlarged view of a portion of the scraper arm and cable protective sleeve of the present invention.
Detailed Description
The present invention will be described in further detail with reference to the following drawings and examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 or 3, one embodiment of the present invention: a tower bottom scraper of a high tower granulation device comprises a high tower granulation cone hopper provided with a feed opening 11 and a scraper body, wherein the scraper body is arranged on the upper surface of the high tower granulation cone hopper, the scraper comprises a power end, a rotating end with an outer circumferential track, a scraping arm and a rotating support 9 with a bearing box 10, and the scraping arm is connected with the rotating support 9; the power end is arranged at one end and drives the rotary support 9 to rotate so as to drive the scraping arm to rotate on the upper surface of the high tower granulation cone; the rotating end is arranged on the outer circumference track of the high tower granulation cone bucket.
Preferably, the scraping arm of the scraper is composed of flexible ropes 7 and scraping plates 8, one or more flexible ropes 7 are connected with the scraping plates 8, and the scraping plates 8 are installed on the flexible ropes 7. As shown in fig. 1 or 3, the flexible rope of the present embodiment is a flexible steel wire rope, and the number of the flexible steel wire ropes is 2. The flexible rope of scraping arm of this embodiment scraper is flexible component for scrape the material arm and be difficult for dipping in glutinous material, and can make and scrape the flitch and hug closely the upper surface that the awl was fought, make the difficult long-pending material of upper surface that the awl was fought, the difficult material that takes place water phenomenon of materialization has improved the quality of the product of producing.
Preferably, the scraping plate 8 and the generatrix of the high tower granulation cone hopper form an included angle of 0-30 degrees, and the lower edge of the scraping plate 8 is tightly attached to the upper surface of the high tower granulation cone hopper. Preferably, as shown in fig. 1 or 3: the scraping plate 8 comprises an upper part and a lower part which are integrally formed; the upper part of the scraping plate 8 is provided with a hanging ring, and the upper part of the scraping plate 8 is parallel to a generatrix or a radial line of a flat bottom of the high tower granulation cone; the hanging ring is connected with the flexible rope 7 through a rope buckle; the lower part of scraping flitch 8 is pear sword shape, and this pear sword shape lower part hugs closely the upper surface of awl fill and is 0 ~ 30 contained angle with generating line or the flat footpath of flat base of high tower granulation awl fill, will scrape the material that the flitch was scraped and gather to the center of the tower bottom to scrape the material on the high tower granulation awl fill upper surface to the central feed opening department that the awl was fought.
Preferably, the power end of the scraper 8 comprises a motor 3 and a speed reducer 4, and the motor 3 and the speed reducer 4 drive the rotating support 9 to rotate.
Preferably, as shown in fig. 2: the rotating end of the scraper comprises a radial pulley 2 and an axial pulley 1, the central shaft of the radial pulley 2 is horizontally arranged, and the axial extension line of the central shaft is intersected with the central axis of the cone bucket; the central shaft of the axial pulley 1 is parallel to the central axis of the high tower granulation cone bucket and rotates around the center of the high tower granulation cone bucket along with the scraping arm of the scraper. The rotating end is mounted on the outer circumferential track of the high tower prilling cone.
Preferably, as shown in fig. 2: the outer circumferential track includes a horizontal circumferential track 121 and a vertical circumferential track 122; the radial pulley 2 rolls on a horizontal circumferential runway 121 of the high tower granulation cone bucket to advance, and the axial pulley 2 rolls on a vertical circumferential runway 122 of the high tower granulation cone bucket, so that the rotating end of the scraper rotates on an outer circumferential track of the high tower granulation cone bucket.
Preferably, the rotating end further comprises a trolley 13, the bottom and the side of the trolley 13 are provided with outer circumferential rails, the upper part of the trolley is provided with a power end or a rotating support 9, and the power end or the rotating support 9 is connected with the flexible rope 7 of the scraping arm.
In this embodiment, the power end may be installed at the center of the high tower granulation cone, or at the rotating end of the scraper.
Referring to fig. 1, when a power end is installed at the center of a high tower granulation cone, firstly, a cone-shaped striker plate of a tower wall is installed on the tower wall to block off a blanking close to the tower wall and protect a component at the lower part of the cone from being influenced by the blanking inside the tower, the power end is decelerated by a motor 3 through a speed reducer 4 to drive a driving transmission gear 5 to rotate, the driving transmission gear 5 transmits power to a driven transmission gear 6, the driven transmission gear 6 drives a rotating support 9 to rotate, a steel wire rope of the scraping arm is wound on the rotating support 9, the rotating support 9 pulls the steel wire rope 7 of the scraping arm and simultaneously drives the steel wire rope 7 and a scraping plate 8 fixedly connected to the steel wire rope 7 to rotate around the center of the tower bottom cone (or the center of the bottom of the tower), the upper part of the scraping plate 8 is parallel to a bus of the tower bottom cone (or a radial line of the bottom of the tower bottom) and is provided with a hanging ring, and the hanging ring at the upper part of the scraping plate 8 is connected with the steel wire rope by a steel wire rope buckle; the lower part of the scraping plate 8 is in a pear knife shape and forms an included angle of 0-30 degrees with a generatrix or a radial line of a conical hopper at the bottom of the tower or a flat bottom at the bottom of the tower; the steel wire rope 7 and the scraping plate 8 form a flexible arm, one end of the flexible arm is connected with the trolley 13, the side part and the bottom of the trolley 13 are respectively provided with the axial pulley 1 and the radial pulley 2, the trolley 13 is limited by the axial pulley 1 and the radial pulley 2 and is limited on a horizontal circumferential runway 121 and a vertical circumferential runway 122 of an outer circumferential track of a conical bottom (or a flat tower bottom), and the horizontal circumferential runway 121 and the vertical circumferential runway 122 are fixedly connected with a tower wall. The flexible arm is made of non-stretchable steel.
Another embodiment of the present invention, referring to fig. 3, fig. 3 shows a difference from fig. 1 in that the power end is disposed at the rotating end, specifically, as shown in fig. 4: the motor 2 and the reducer 3 are mounted on the trolley 13, as shown in fig. 5: the motor cable on the trolley 13 is protected by a cable protection sleeve 14 and is connected to the center of an inner hole of the rotary support 9 through a motor junction box; a cable protective sleeve 14 is arranged in the center of an inner hole of the rotary support 9, a cable is arranged in the cable protective sleeve 14, and a cable rotary joint is connected to the cable in the rotary support 9, so that when the trolley 13 rotates around the center of a high-tower cone bottom or a flat bottom, the cable can move and is not wound.
While the foregoing description shows and describes the preferred embodiments of the present invention, it is to be understood that the invention is not limited to the forms disclosed herein, but is not to be construed as excluding other embodiments and is capable of use in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as described herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (2)
1. The utility model provides a scraper at bottom of high tower prilling granulator tower, is including the high tower granulation awl fill that is provided with feed opening (11) and scraper body, and this scraper body is installed on the high tower granulation awl fill upper surface, its characterized in that: the high tower granulation cone hopper is provided with an outer circumferential track; the scraper comprises a power end, a rotating end with an outer circumferential track, a scraping arm and a rotating support (9) with a bearing box (10), and the scraping arm is connected with the rotating support (9); the power end is arranged at one end and drives the rotary support (9) to rotate so as to drive the scraping arm to rotate on the upper surface of the high tower granulation cone; the rotating end is arranged on an outer circumferential track of the high tower granulation cone bucket; the scraping arm of the scraper consists of flexible ropes (7) and scraping plates (8), one or more flexible ropes (7) are connected with the scraping plates (8), and the scraping plates (8) are arranged on the flexible ropes (7); the flexible rope (7) is a steel wire rope; the scraping plate (8) and a generatrix of the high tower granulation cone hopper form an included angle of 0-30 degrees, and the lower edge of the scraping plate (8) is tightly attached to the upper surface of the high tower granulation cone hopper; the scraping plate (8) comprises an upper part and a lower part, and the upper part and the lower part are integrally formed; the upper part of the scraping plate (8) is provided with a hanging ring, and the upper part of the scraping plate (8) is parallel to a generatrix or a flat-bottom radial line of the high tower granulation cone bucket; the hanging ring is connected with the flexible rope (7) through a rope buckle; the lower part of the scraping plate (8) is in a pear knife shape, and an included angle of 0-30 degrees is formed between the lower part and a generatrix or a flat bottom radial line of the high tower granulation conical hopper, so that the materials scraped by the scraping plate (8) are gathered towards the center of the bottom of the tower; the power end comprises a motor (3) and a speed reducer (4), and the motor (3) and the speed reducer (4) drive the rotary support (9) to rotate; the rotating end comprises a radial pulley (2) and an axial pulley (1), the central shaft of the radial pulley (2) is horizontally arranged, and the axial extension line of the central shaft is intersected with the central axis of the cone hopper; the central shaft of the axial pulley (1) is parallel to the central axis of the high tower granulation cone bucket and rotates around the center of the high tower granulation cone bucket along with the scraping arm of the scraper; the outer circumferential track comprises a horizontal circumferential track (121) and a vertical circumferential track (122); the radial pulley (2) rolls on the horizontal circumferential runway (121) of the high tower granulation cone bucket to advance, and the axial pulley (1) rolls on the vertical circumferential runway (122) of the high tower granulation cone bucket to realize that the rotating end of the scraper rotates on the outer circumferential track of the high tower granulation cone bucket; the rotating end further comprises a trolley (13), the bottom and the side of the trolley (13) are installed on the outer circumferential track, a power end or a rotating support (9) is installed on the upper portion of the trolley, and the power end or the rotating support (9) is connected with the flexible rope (7) of the scraping arm.
2. The tower bottom scraper of high tower granulation apparatus as defined in claim 1, wherein: the power end is arranged at the center of a feed opening (11) of the high tower granulation cone bucket or at the rotating end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975671.4A CN105461360B (en) | 2015-12-22 | 2015-12-22 | Tower bottom scraper of high tower granulation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510975671.4A CN105461360B (en) | 2015-12-22 | 2015-12-22 | Tower bottom scraper of high tower granulation device |
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| CN105461360A CN105461360A (en) | 2016-04-06 |
| CN105461360B true CN105461360B (en) | 2022-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201510975671.4A Active CN105461360B (en) | 2015-12-22 | 2015-12-22 | Tower bottom scraper of high tower granulation device |
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| CN104525046A (en) * | 2015-01-07 | 2015-04-22 | 安徽鸿源机械制造有限公司 | Controllable rotary-extrusion type crop waste recycling granulator |
| CN204469663U (en) * | 2015-02-25 | 2015-07-15 | 杨建民 | Pivoted arm scraper at the bottom of high tower compound fertilizer tower |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1205455B1 (en) * | 2000-11-14 | 2012-05-30 | Urea Casale S.A. | Method and apparatus for obtaining urea prills |
| KR101805221B1 (en) * | 2010-03-26 | 2017-12-05 | 가부시키가이샤 나라기카이세이사쿠쇼 | Method for granulating powder, and granulation device |
| US20130149081A1 (en) * | 2011-12-09 | 2013-06-13 | Ronald T. Noyes | Method and apparatus for efficiently filling and unloading flat and hopper bottom grain bins from the bottom using one conveyor |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5611619A (en) * | 1996-06-27 | 1997-03-18 | Li Yuan Machine Industrial Co., Ltd. | Mixing machine |
| JP2002282723A (en) * | 2001-03-26 | 2002-10-02 | Jdc Corp | Crushing/mixing device |
| CN1724318A (en) * | 2005-07-08 | 2006-01-25 | 朱耀平 | Silo for storing bulking stuff |
| CN201296557Y (en) * | 2008-10-20 | 2009-08-26 | 新乡市强大振动机械有限公司 | New rotary feeder |
| CN203090539U (en) * | 2013-02-04 | 2013-07-31 | 许峰源 | Balanced, clean and rapid precipitator |
| CN104525046A (en) * | 2015-01-07 | 2015-04-22 | 安徽鸿源机械制造有限公司 | Controllable rotary-extrusion type crop waste recycling granulator |
| CN204469663U (en) * | 2015-02-25 | 2015-07-15 | 杨建民 | Pivoted arm scraper at the bottom of high tower compound fertilizer tower |
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| Publication number | Publication date |
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| CN105461360A (en) | 2016-04-06 |
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