CN109974822B - Pre-feeding device of pulverized coal rotor scale - Google Patents
Pre-feeding device of pulverized coal rotor scale Download PDFInfo
- Publication number
- CN109974822B CN109974822B CN201910316987.0A CN201910316987A CN109974822B CN 109974822 B CN109974822 B CN 109974822B CN 201910316987 A CN201910316987 A CN 201910316987A CN 109974822 B CN109974822 B CN 109974822B
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- China
- Prior art keywords
- pulverized coal
- wall
- bin
- ventilation
- barrel
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- 239000003245 coal Substances 0.000 title claims abstract description 51
- 230000007704 transition Effects 0.000 claims abstract description 9
- 238000009423 ventilation Methods 0.000 claims description 39
- 239000000463 material Substances 0.000 claims description 24
- 238000007599 discharging Methods 0.000 claims description 5
- 230000006698 induction Effects 0.000 claims description 4
- 230000005540 biological transmission Effects 0.000 claims description 3
- 230000011218 segmentation Effects 0.000 claims description 2
- 239000000843 powder Substances 0.000 description 3
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 2
- 235000017491 Bambusa tulda Nutrition 0.000 description 2
- 241001330002 Bambuseae Species 0.000 description 2
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 2
- 239000011425 bamboo Substances 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 239000002817 coal dust Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 230000000087 stabilizing effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G13/00—Weighing apparatus with automatic feed or discharge for weighing-out batches of material
- G01G13/02—Means for automatically loading weigh pans or other receptacles, e.g. disposable containers, under control of the weighing mechanism
- G01G13/022—Material feeding devices
- G01G13/028—Material feeding devices by pneumatic carrying means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G17/00—Apparatus for or methods of weighing material of special form or property
- G01G17/04—Apparatus for or methods of weighing material of special form or property for weighing fluids, e.g. gases, pastes
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01G—WEIGHING
- G01G19/00—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups
- G01G19/22—Weighing apparatus or methods adapted for special purposes not provided for in the preceding groups for apportioning materials by weighing prior to mixing them
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- General Details Of Gearings (AREA)
- Filling Or Emptying Of Bunkers, Hoppers, And Tanks (AREA)
Abstract
The invention discloses a pre-feeding device of a pulverized coal rotor scale, which comprises the pulverized coal rotor scale, wherein the pulverized coal rotor scale comprises a pulverized coal bin and a scale body, a transition bin is arranged between the pulverized coal bin and the scale body, the transition bin comprises a feeding barrel and a steady flow barrel which are arranged up and down, the feeding barrel is connected with the pulverized coal bin and is positioned below the pulverized coal bin, and a plate box is arranged in the steady flow barrel; the novel ventilating device is characterized in that a ventilating ring is arranged in the ventilating barrel, a ventilating pipe is arranged in the center of the ventilating ring, and two supporting columns and two air guiding pipes are arranged between the ventilating pipe and the ventilating ring. The invention has ingenious design and reduces the failure rate of equipment.
Description
Technical Field
The invention relates to the technical field of pulverized coal rotor scales, in particular to a pre-feeding device of a pulverized coal rotor scale.
Background
The pulverized coal used in the production process of the cement manufacturing industry needs to be continuously and quantitatively added, and the pulverized coal is weighed and metered by adopting a rotor scale and then is conveyed to the corresponding technological process. Because the pulverized coal material has the characteristics of small fineness, high humidity and easy adhesion, the pulverized coal material is extremely easy to adhere to the blanking bin of the pulverized coal rotor scale and the inner side wall of the rotor, thus the blanking opening of the pulverized coal proportioning bin is easy to be blocked, the phenomenon of unstable blanking and even breakage of the pulverized coal rotor scale occurs, and meanwhile, the weighing precision of the pulverized coal rotor scale is easy to be influenced by the adhesion of the pulverized coal on the inner side wall of the rotor, and the quality of cement clinker is seriously influenced. In addition, the coal dust with overlarge humidity enters the rotor of the rotor scale to form coal slime to be adhered to the impeller of the rotor, so that the load of equipment is increased, and the fault of overcurrent alarm of the coal dust rotor scale is caused.
Therefore, a steady flow part needs to be added to the existing pulverized coal rotor scale, and the problems of unstable pulverized coal discharging, material breakage and overlarge pulverized coal humidity are solved.
Disclosure of Invention
The invention provides a pre-feeding device of a pulverized coal rotor scale, which can effectively solve the technical problems in the background.
In order to achieve the above object, the present invention provides the following technical solutions:
The pre-feeding device of the pulverized coal rotor scale comprises the pulverized coal rotor scale, wherein the pulverized coal rotor scale comprises a pulverized coal bin and a scale body, a transition bin is arranged between the pulverized coal bin and the scale body, the transition bin comprises a feeding barrel and a steady flow barrel which are arranged up and down, the feeding barrel is connected with the pulverized coal bin and is positioned below the pulverized coal bin, and a plate box is arranged in the steady flow barrel; a ventilation ring is arranged in the ventilation cylinder, a ventilation pipe is arranged in the center of the ventilation ring, two support columns and two air induction pipes are arranged between the ventilation pipe and the ventilation ring, the two support columns are used for fixing the ventilation pipe, the upper end of the ventilation pipe is closed, and the two air induction pipes are communicated with the support columns; the steady flow cylinder is divided into a drainage part and a stable part which are arranged up and down, the drainage part is in an inverted truncated cone shape, a fixed bearing is fixed at the port of the upper end of the drainage part, and the port of the lower end of the material passing cylinder penetrates through the fixed bearing and is propped against the inner wall of the drainage part; the inside box inner chamber that is provided with of board box, be provided with the poling on the lateral wall on the right side of board box, the poling communicates with each other with the box inner chamber, the lower extreme and the poling of ventilation pipe are connected and are communicated with each other, the lateral wall on the left side of board box divide into the upper inclined wall, the two segmentation of lower straight wall, the inner wall of upper inclined wall and drainage portion hugs closely, the lower straight wall hugs closely with the inner wall of stationary part, a plurality of ventilation hole has been seted up on the front surface of board box.
Preferably, two air inlet pipes are arranged on the outer wall of the charging barrel, and the two air inlet pipes penetrate through the charging barrel and the annular wall of the ventilation ring and are respectively connected and communicated with the two air inlet pipes.
Preferably, a belt groove is formed in the outer wall of the stable portion, a rotating motor is arranged on the outer side of the stable portion, and belt transmission is carried out between the belt groove and the rotating motor.
Preferably, a discharging bin is arranged between the balance body and the stabilizing portion, a rotating bearing is fixed at an upper end port of the discharging bin, and the lower end of the stabilizing portion penetrates through the rotating bearing.
Preferably, the upper inclined wall and the lower straight wall are coated with rubber materials.
The invention has the beneficial effects that:
The invention can be matched with the drainage part and the stable part through the arranged plate box, so that the sticky materials on the inner wall of the guiding cylinder of the traditional straight cylinder can be scraped through a conversion method, namely the sticky materials are scraped through the plate box, and the materials can be dehumidified through the plurality of ventilation holes when the sticky materials are scraped. The invention has ingenious design and reduces the failure rate of equipment.
Drawings
The invention is described in further detail below with reference to the drawings and the detailed description.
Fig. 1: the invention is a schematic structural diagram.
Fig. 2: the connection structure of the plate box and the ventilation pipe is schematically shown.
In the figure: 1. the device comprises a coal powder bin, 2, a scale body, 3, a transition bin, 4, a feeding cylinder, 5, a steady flow cylinder, 6, a plate box, 7, a lower bin, 41, a ventilation ring, 42, a ventilation pipe, 43, a support column, 44, a ventilation pipe, 45, an air inlet pipe, 51, a drainage part, 52, a stable part, 61, a penetrating pipe, 62, an upper inclined wall, 63, a lower straight wall, 64, a ventilation hole, 71 and a rotating bearing.
Detailed Description
Embodiments of the invention are described in detail below with reference to the attached drawing figures, but the invention can be implemented in a number of different ways, which are defined and covered by the claims:
As shown in fig. 1-2, the invention provides a pre-feeding device of a pulverized coal rotor scale, which comprises a pulverized coal rotor scale, wherein the pulverized coal rotor scale comprises a pulverized coal bin 1 and a scale body 2, a transition bin 3 is arranged between the pulverized coal bin 1 and the scale body 2, the transition bin 3 comprises a feeding barrel 4 and a steady flow barrel 5 which are arranged up and down, the feeding barrel 4 is connected with the pulverized coal bin 1 and is positioned below the pulverized coal bin 1, and a plate box 6 is arranged in the steady flow barrel 5.
The inside of the charging barrel 4 is provided with a ventilation ring 41, the center of the ventilation ring 41 is provided with a ventilation pipe 42, two support columns 43 and two air guiding pipes 44 are arranged between the ventilation pipe 42 and the ventilation ring 41, the two support columns 43 are used for fixing the ventilation pipe 42, the two air guiding pipes 44 are communicated with the support columns 43, the outer wall of the charging barrel 4 is provided with two air inlet pipes 45, and the two air inlet pipes 45 penetrate through the annular walls of the charging barrel 4 and the ventilation ring 41 and are respectively communicated with the two air guiding pipes 44, so that when the two air inlet pipes 45 are ventilated, and under the condition that the upper ends of the ventilation pipes 42 are generally closed, the air of the air inlet pipes 45 can be blown downwards to the ventilation pipe 42.
Because stationary flow section of thick bamboo 5 divide into the drainage portion 51 that sets up from top to bottom, steady portion 52 two parts, drainage portion 51 is the round platform shape of inversion, the upper end port of drainage portion 51 is fixed with fixed bearing 53, the port of the lower extreme of feed cylinder 4 passes fixed bearing 53 and supports on the inner wall of drainage portion 51, be provided with down feed bin 7 between balance body 2 and the steady portion 52, the upper end port of down feed bin 7 is fixed with rolling bearing 71, the lower extreme of steady portion 52 passes rolling bearing 71, consequently, be provided with the belt groove through the outer wall of steady portion 52, the steady portion 52 outside is provided with the rotation motor, pass through belt transmission between rotation belt groove and the rotation motor, whole stationary flow section of thick bamboo 5 will be driven the rotation by the rotation motor.
When the whole steady flow tube 5 rotates, as the inner box cavity is arranged in the plate box 6, the through pipe 61 is arranged on the outer side wall of the right side of the plate box 6, the front surface of the plate box 6 is provided with the plurality of vent holes 64, the through pipe 61 is communicated with the inner box cavity, and the lower end of the vent pipe 42 is connected and communicated with the through pipe 61, so that the through pipe 61 can be ventilated and can blow air to the outside of the plate box 6 through the plurality of vent holes 64.
Since the outer side wall of the left side of the plate box 6 is divided into the upper inclined wall 62 and the lower inclined wall 63, the upper inclined wall 62 and the lower inclined wall 63 are coated with rubber materials, the upper inclined wall 62 is clung to the inner wall of the drainage part 51, the lower inclined wall 63 is clung to the inner wall of the stable part 52, when the material in the coal powder bin 1 falls, the rotating motor is started, the whole steady flow barrel 5 rotates at this time, two air inlet pipes 45 are used for air inlet, after the material in the coal powder bin 1 falls, most of the material directly passes through the through material barrel 4 and the whole steady flow barrel 5 and then reaches the scale body, but a small part of the material falls through the through material barrel 4 and is adhered to the inner walls of the two parts of the drainage part 51 and the stable part 52, and when the whole steady flow barrel 5 rotates, the plate box 6 is not moved, so that the upper inclined wall 62 and the lower 63 of the inner wall of the plate box 6 scrape the adhered material from the inner walls of the drainage part 51 and the stable part 52, and the adhered material are scraped off, and the adhered material is located on the same side with the ventilating holes 64 relative to the plate box 6 when the material falls, and the adhered material is blown out from the ventilating holes 64, and the blown off the material with the ventilating holes 64.
While the invention has been described above with reference to the accompanying drawings, it will be apparent that the invention is not limited to the above embodiments, but is also within the scope of the invention if the inventive concept and technical scheme is not substantially modified or applied directly to other occasions without modification.
Claims (5)
1. The utility model provides a pre-feeding device of buggy rotor balance, includes buggy rotor balance, its characterized in that: the pulverized coal rotor scale comprises a pulverized coal bin and a scale body, a transition bin is arranged between the pulverized coal bin and the scale body, the transition bin comprises a feeding barrel and a steady flow barrel which are arranged up and down, the feeding barrel is connected with the pulverized coal bin and is positioned below the pulverized coal bin, and a plate box is arranged in the steady flow barrel; a ventilation ring is arranged in the ventilation cylinder, a ventilation pipe is arranged in the center of the ventilation ring, two support columns and two air induction pipes are arranged between the ventilation pipe and the ventilation ring, the two support columns are used for fixing the ventilation pipe, the upper end of the ventilation pipe is closed, and the two air induction pipes are communicated with the support columns; the steady flow cylinder is divided into a drainage part and a stable part which are arranged up and down, the drainage part is in an inverted truncated cone shape, a fixed bearing is fixed at the port of the upper end of the drainage part, and the port of the lower end of the material passing cylinder penetrates through the fixed bearing and is propped against the inner wall of the drainage part; the inside box inner chamber that is provided with of board box, be provided with the poling on the lateral wall on the right side of board box, the poling communicates with each other with the box inner chamber, the lower extreme and the poling of ventilation pipe are connected and are communicated with each other, the lateral wall on the left side of board box divide into the two segmentation of upper inclined wall, lower straight wall, the inner wall of upper inclined wall and drainage portion hugs closely, the lower straight wall hugs closely with the inner wall of stationary portion, a plurality of ventilation hole has been seted up on the front surface of board box.
2. The pre-feeding device of the pulverized coal rotor scale according to claim 1, wherein: two air inlet pipes are arranged on the outer wall of the ventilation cylinder, and penetrate through the annular walls of the ventilation cylinder and the ventilation ring and are respectively connected and communicated with the two air inlet pipes.
3. The pre-feeding device of the pulverized coal rotor scale according to claim 1, wherein: the outer wall of the stable part is provided with a rotary belt groove, the outer side of the stable part is provided with a rotary motor, and the rotary belt groove and the rotary motor are in belt transmission.
4. The pre-feeding device of the pulverized coal rotor scale according to claim 1, wherein: a discharging bin is arranged between the balance body and the stable portion, a rotating bearing is fixed at an upper end port of the discharging bin, and the lower end of the stable portion penetrates through the rotating bearing.
5. The pre-feeding device of the pulverized coal rotor scale according to claim 1, wherein: rubber materials are coated on the upper inclined wall and the lower straight wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316987.0A CN109974822B (en) | 2019-04-18 | 2019-04-18 | Pre-feeding device of pulverized coal rotor scale |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910316987.0A CN109974822B (en) | 2019-04-18 | 2019-04-18 | Pre-feeding device of pulverized coal rotor scale |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109974822A CN109974822A (en) | 2019-07-05 |
| CN109974822B true CN109974822B (en) | 2024-06-04 |
Family
ID=67085317
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910316987.0A Active CN109974822B (en) | 2019-04-18 | 2019-04-18 | Pre-feeding device of pulverized coal rotor scale |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109974822B (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746281U (en) * | 2010-08-11 | 2011-02-16 | 北京铁道工程机电技术研究所 | Four electric multiple units compatible underfloor lifting jack lifting control device |
| CN202880768U (en) * | 2012-06-04 | 2013-04-17 | 中铁第四勘察设计院集团有限公司 | Lifting rail control device of pit unwheeling machine compatible with two types of bullet trains of eight marshaling or sixteen marshaling |
| CN206367734U (en) * | 2016-12-16 | 2017-08-01 | 合肥固泰自动化有限公司 | A kind of coal powder metering and metering device |
| CN207036237U (en) * | 2017-07-25 | 2018-02-23 | 武汉中理环保科技有限公司 | A kind of coal dust rotor weigher |
| CN208742504U (en) * | 2018-09-17 | 2019-04-16 | 金溪斯普瑞药业有限公司 | A kind of medication chemistry charging device |
| CN210242930U (en) * | 2019-04-18 | 2020-04-03 | 凤阳中都水泥有限公司 | Pre-feeding device of pulverized coal rotor scale |
-
2019
- 2019-04-18 CN CN201910316987.0A patent/CN109974822B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201746281U (en) * | 2010-08-11 | 2011-02-16 | 北京铁道工程机电技术研究所 | Four electric multiple units compatible underfloor lifting jack lifting control device |
| CN202880768U (en) * | 2012-06-04 | 2013-04-17 | 中铁第四勘察设计院集团有限公司 | Lifting rail control device of pit unwheeling machine compatible with two types of bullet trains of eight marshaling or sixteen marshaling |
| CN206367734U (en) * | 2016-12-16 | 2017-08-01 | 合肥固泰自动化有限公司 | A kind of coal powder metering and metering device |
| CN207036237U (en) * | 2017-07-25 | 2018-02-23 | 武汉中理环保科技有限公司 | A kind of coal dust rotor weigher |
| CN208742504U (en) * | 2018-09-17 | 2019-04-16 | 金溪斯普瑞药业有限公司 | A kind of medication chemistry charging device |
| CN210242930U (en) * | 2019-04-18 | 2020-04-03 | 凤阳中都水泥有限公司 | Pre-feeding device of pulverized coal rotor scale |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109974822A (en) | 2019-07-05 |
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