CN107442260A - A kind of novel vertical mill intelligence airlock - Google Patents
A kind of novel vertical mill intelligence airlock Download PDFInfo
- Publication number
- CN107442260A CN107442260A CN201710752303.2A CN201710752303A CN107442260A CN 107442260 A CN107442260 A CN 107442260A CN 201710752303 A CN201710752303 A CN 201710752303A CN 107442260 A CN107442260 A CN 107442260A
- Authority
- CN
- China
- Prior art keywords
- material toggling
- level
- sensing device
- vertical mill
- hopper
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000000463 material Substances 0.000 claims abstract description 120
- 230000007246 mechanism Effects 0.000 claims abstract description 27
- 238000007599 discharging Methods 0.000 claims abstract description 13
- 238000005303 weighing Methods 0.000 claims description 6
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 5
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 5
- 229910052700 potassium Inorganic materials 0.000 claims description 5
- 239000011591 potassium Substances 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000009471 action Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 2
- 210000000515 tooth Anatomy 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 6
- 239000004568 cement Substances 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000002689 soil Substances 0.000 description 3
- 238000005265 energy consumption Methods 0.000 description 2
- 208000002697 Tooth Abrasion Diseases 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C15/00—Disintegrating by milling members in the form of rollers or balls co-operating with rings or discs
Landscapes
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Crushing And Grinding (AREA)
Abstract
The invention discloses a kind of novel vertical mill intelligence airlock, including lock wind body, electrical control mechanism and the hopper located at the lock wind body upper part, the lock wind body interior is provided with material toggling roller, and the material toggling roller is driven by variable-frequency motor, and the variable-frequency motor is controlled by electrical control mechanism；The hopper outer wall is respectively equipped with high-order level-sensing device, low level level-sensing device and level-sensing device receiver, the level-sensing device receiver gathers the information from the high-order level-sensing device and low level level-sensing device by being correspondingly arranged, the electrical control mechanism receives the information of level-sensing device receiver, speed by changing variable-frequency motor changes the speed of discharging, material position is remained certain altitude inside the hopper, form closure of the charging aperture in charging to wind.Compared with prior art, the present invention is simple in construction, reasonable in design, can realize Automated condtrol by electrical control mechanism, can reduce the air intake of equipment as far as possible again while guarantee Vertical Mill normal feeding capacity, realize lock wind locking wind function.
Description
Technical field
The present invention relates to technical field of cement production, and in particular to a kind of novel vertical mill intelligence airlock.
Background technology
Vertical Mill lock wind system is the big event of whole Vertical Mill device energy conservation consumption reduction, and examines ton yield energy consumption index
Key link, so it is production problem that Vertical Mill feed system needs thoroughly to solve that it is energy-saving, which to lock wind, for Vertical Mill.In building material industry
In, especially manufacture of cement industry, cement vertical mill lock wind mechanism are widely used.Wherein, three air valves are especially common.Vertical Mill is made
For air swept mill discharging structure, need to be worked under negative pressure state.Therefore, three air valves must ensure the normal feeding capacity of Vertical Mill shortly
While again reduce system air leakage as far as possible, realize air locking function.But because the working environment of Vertical Mill charging aperture is severe, building stones
Throughput is big, serious wear, and some often occur, and such as " valve plate abrasion, the damage of non-drive side bearing, building stones card stop " etc. asks
Topic, so as to influence the performance of the normal operation of grinder system and technical indicator.
The content of the invention
To solve drawbacks described above, it is an object of the invention to provide a kind of novel vertical mill intelligence airlock, not only can guarantee that
The normal feeding capacity of Vertical Mill, moreover it is possible to reduce the inleakage of equipment.
To reach above-mentioned purpose, the technical solution adopted by the present invention is：A kind of novel vertical mill intelligence airlock, including lock
Wind body, electrical control mechanism and the hopper located at the lock wind body upper part, the lock wind body interior are provided with material toggling roller, described group
Material roller is driven by variable-frequency motor, and the variable-frequency motor is controlled by electrical control mechanism；Material is in fill process all the time described
Kept certain height inside hopper, form closure of the charging aperture in charging to wind.
Preferably, the hopper outer wall is respectively equipped with high-order level-sensing device, low level level-sensing device and level-sensing device receiver, described
Level-sensing device receiver gathers the information from the high-order level-sensing device and low level level-sensing device, the automatically controlled machine by being correspondingly arranged
Structure receives the information of level-sensing device receiver, and the speed by changing variable-frequency motor changes the speed of discharging, makes material position in the material
Bucket is internal to remain certain altitude.
The lock wind body interior corresponds to the two material toggling rollers through two material toggling rollers are provided with below the hopper discharging opening
Between, the two material toggling rollers rotate towards the lock wind body both sides, and the material toggling roller outer wall is laid with multiple rows of zigzag and dialled
Expect tooth, the material toggling roller both ends stretch out the lock wind body exterior and are connected to bearing block, and two described material toggling roller one end pass through
Transmission is engaged provided with gear, wherein a material toggling roller other end is connected by sprocket wheel with the variable-frequency motor.
Through single material toggling roller is provided with, the edge of this material toggling roller corresponds under the hopper discharging opening lock wind body interior
Side, this material toggling roller outer wall are laid with multiple rows of zigzag material toggling tooth, and the lock wind body exterior point is stretched out at the material toggling roller both ends
It is not connected with bearing block, wherein one end is also associated with sprocket wheel and is connected with the variable-frequency motor.
The hopper uses back taper, and booster action is played to discharging.
The electrical control mechanism is controlled using PLC modes.
The high-order material meter and the low level material meter are using ray level-sensing device.
Warm-air pipe is additionally provided with below the material toggling roller, soil layer of the warm-air pipe to bonding on material toggling roller is opened in material humidity
Carry out drying stripping.
The material toggling tooth uses 16Mn low alloy steel plates, and covered with Mn13 potassium steel layers outside the material toggling tooth increment.
The lock wind body bottom portion can be provided with weighing sensor, by weighing sensor transmission signal to electrical control mechanism, together
Sample can be controlled the speed speed of variable-frequency motor, and the material position inside hopper can be made to keep certain height.
During use of the present invention, when being added materials inside hopper, variable-frequency motor does not work, and now material toggling roller does not turn
Dynamic, material is constantly accumulated inside the hopper, and when material position reaches low level level-sensing device, the level-sensing device receiver gathers information
Electrical control mechanism, the electrical control mechanism control variable-frequency motor work are transferred to, the variable-frequency motor drives the material toggling roller according to just
Constant velocity rotates, and treats that supplied materials increases, and material position continues to accumulate, and when reaching high-order level-sensing device, the electrical control mechanism controls variable-frequency motor
Accelerate speed operation, material toggling roller material toggling speed is accelerated, and suppressing material position transfinites rise, controls material position constantly to reduce, to be lowered to low
During the level-sensing device of position, the variable-frequency motor drives the material toggling roller to make material position all the time in the material again according to normal speed rotation
Bucket is internal to be maintained at certain altitude, so as to avoid the entrance of material wind in addition, plays the effect of stifled wind lock wind.
Material toggling roller in the present invention is provided with multiple moving teeth, and discharge resistance is small, and load is big, the 16Mn low alloy steel plates of use
The Mn13 potassium steel layers being provided with increment, increase wear-resisting intensity, improve service life, slow down maintenance cycle, moving tooth abrasion maintenance
When open both sides hatch door, direct built-up welding can, possess the convenience of on-line maintenance；Stock column in the guarantee barrel of the invention
It reach a certain height, makes the entrance that wind is avoided during charging, because the change of stock column height depends on the uniformity of supplied materials and continues
Property, in order to ensure to lock the effect and efficiency of wind, the method to material-level measure using the detection of ray level-sensing device, it is ensured that level-sensing device receives
The precision of device and it is quick on the draw state, the required precision stable performance of gathered data and constant.
Compared with prior art, the present invention is simple in construction, reasonable in design, can realize Automated condtrol by electrical control mechanism,
The air intake of equipment can be reduced as far as possible again while guarantee Vertical Mill normal feeding capacity, realize lock wind locking wind function.
Brief description of the drawings
Below according to drawings and Examples, the structure and features of the present invention is further described.
Fig. 1 is the structural representation of the present invention.
Fig. 2 is a kind of embodiment of the present invention.
Fig. 3 is the structural representation of heretofore described material toggling roller.
In accompanying drawing 1, Fig. 2 and Fig. 3,1. level-sensing device receivers, 2. hoppers, 3. low level level-sensing devices, 4. high-order level-sensing devices, 5. groups
Expect roller, 6. warm-air pipes, 7. weighing sensors, 8. variable-frequency motors, 9. rotating shafts, 10. increments, 11. material toggling tooths.
Embodiment
It is a kind of embodiment of the present invention referring to accompanying drawing 1.
A kind of novel vertical mill intelligence airlock, including lock wind body 4, electrical control mechanism and locked located at described on wind body 4
The hopper 2 in portion, the hopper 2 are in back taper, and through two material toggling rollers 5 are provided with, the hopper 2 discharges for the inside of lock wind body 4
Correspond to below mouthful between the two material toggling rollers 5, the two material toggling rollers 5 rotate towards the both sides of lock wind body 4, the material toggling
The outer wall of roller 5 is laid with multiple rows of zigzag material toggling tooth 11, and the material toggling tooth 11 uses 16Mn low alloy steel plates, and the material toggling tooth
Covered with Mn13 potassium steel layers outside increment 10, the both ends of material toggling roller 5, which are stretched out outside the lock wind body 4, is connected to axle
Bearing, two described one end of material toggling roller 5 provided with gear by being engaged transmission, wherein a material toggling roller other end passes through sprocket wheel and institute
State variable-frequency motor 8 to connect, the lower section of material toggling roller 5 is additionally provided with warm-air pipe 6, and warm-air pipe is opened in material humidity to material toggling roller 5
The soil layer of upper bonding carries out drying stripping, and the electrical control mechanism is controlled using PLC modes；The outer wall of hopper 2 is respectively equipped with height
What position level-sensing device 12, low level level-sensing device 3 and level-sensing device receiver 1, the high-order material meter 12 and the low level material meter 3 used
It is ray level-sensing device, the level-sensing device receiver 1 is gathered from the high-order level-sensing device 12 and low level material by being correspondingly arranged
The information of position meter 3, the electrical control mechanism receive the information of level-sensing device receiver 1, and the speed by changing variable-frequency motor 8 changes
The speed of material, material position is remained certain altitude inside the hopper 2, form closure of the charging aperture in charging to wind.
It is another embodiment of the present invention referring to accompanying drawing 2.
A kind of novel vertical mill intelligence airlock, including lock wind body 4, electrical control mechanism and locked located at described on wind body 4
The hopper 2 in portion, the hopper 2 are in back taper, and the inside of lock wind body 4, which is run through, is provided with single material toggling roller 5, this material toggling roller 5
Edge is corresponded to below the discharging opening of hopper 2, and the outer wall of material toggling roller 5 is laid with multiple rows of zigzag material toggling tooth 11, described group
Expect that tooth 11 uses 16Mn low alloy steel plates, and covered with Mn13 potassium steel layers, the material toggling roller 5 outside the material toggling tooth increment 10
Both ends, which are stretched out outside the lock wind body 4, is connected to bearing block, and wherein one end is also associated with sprocket wheel and the variable-frequency motor 8
Connection, the lower section of material toggling roller 5 are additionally provided with warm-air pipe 6, soil layer of the warm-air pipe to bonding on material toggling roller 5 are opened in material humidity
Drying stripping is carried out, the electrical control mechanism is controlled using PLC modes；The outer wall of hopper 2 is respectively equipped with high-order level-sensing device 12, low
Position level-sensing device 3 and level-sensing device receiver 1, the high-order material meter 12 and the low level material meter 3 using ray level-sensing device,
The level-sensing device receiver 1 gathers the information from the high-order level-sensing device 12 and low level level-sensing device 3, institute by being correspondingly arranged
The information that electrical control mechanism receives level-sensing device receiver 1 is stated, the speed by changing variable-frequency motor 8 changes the speed of discharging, makes material
Position remains certain altitude inside the hopper 2, forms closure of the charging aperture in charging to wind.
The above-mentioned two embodiment of the present invention in use, when being added materials inside hopper, variable-frequency motor not work
Make, now material toggling roller does not rotate, and material is constantly accumulated inside the hopper, when material position reaches low level level-sensing device, the material
Position meter receiver gathers information transmission to electrical control mechanism, the electrical control mechanism control variable-frequency motor work, the variable-frequency motor and driven
The material toggling roller to be moved according to normal speed rotation, treats that supplied materials increases, material position continues to accumulate, when reaching high-order level-sensing device, the electricity
Control mechanism controls variable-frequency motors and accelerate speed operation, material toggling roller material toggling speed is accelerated, and suppressing material position transfinites rise, controls material position not
Disconnected to reduce, during to be lowered to low level level-sensing device, the variable-frequency motor drives the material toggling roller to begin again according to normal speed rotation
Material position is maintained at certain altitude inside the hopper eventually, so as to avoid the entrance of material wind in addition, play stifled wind lock
The effect of wind.
In above-mentioned two embodiment, material position is kept certain height in hopper can also set in the bottom of lock wind body 4
There is weighing sensor 7, remove high-order level-sensing device, low level level-sensing device and level-sensing device receiver, signal is transmitted by weighing sensor
To electrical control mechanism, the speed speed of variable-frequency motor can equally be controlled, the material position inside hopper can be made to keep certain height.
By researching and analysing, material toggling roller work preset rotation speed is 10r/min, and production capacity can reach 520MT/h, if frequency conversion
Control improves 11r/min material toggling roller rotating speeds, and production capacity can accordingly bring up to 570MT/h, by being matched with supplied materials, reduces rotating speed and subtracts
Slow discharging speed, the production capacity of Vertical Mill can be reduced.After embodiments of the invention, 300 tons of Vertical Mills can save energy consumption every year
800000 yuan or so, 500 tons of Vertical Mills can save 1,200,000 yuan or so every year.
Described above is only presently preferred embodiments of the present invention, and above-mentioned specific embodiment is not limitation of the present invention,
Retouching, modification or the equivalent substitution that all one of ordinary skill in the art are made as described above, belong to the guarantor of the present invention
Protect scope.
Claims (10)
- A kind of 1. novel vertical mill intelligence airlock, it is characterised in that：Including lock wind body, electrical control mechanism and located at the lock wind The hopper of body upper part, the lock wind body interior are provided with material toggling roller, and the material toggling roller is driven by variable-frequency motor, the frequency conversion Motor is controlled by electrical control mechanism；Material is kept certain height inside the hopper all the time in fill process, forms charging Closure of the mouth in charging to wind.
- 2. novel vertical mill intelligence airlock according to claim 1, it is characterised in that：The hopper outer wall is respectively equipped with High-order level-sensing device, low level level-sensing device and level-sensing device receiver, the level-sensing device receiver are gathered from institute by being correspondingly arranged The information of high-order level-sensing device and low level level-sensing device is stated, the electrical control mechanism receives the information of level-sensing device receiver, becomes by changing The speed of frequency motor changes the speed of discharging, material position is remained certain altitude inside the hopper.
- 3. novel vertical mill intelligence airlock according to claim 1, it is characterised in that：The lock wind body interior runs through Provided with two material toggling rollers, correspond to below the hopper discharging opening between the two material toggling rollers, the two material toggling rollers are towards the lock Wind body both sides rotate, and the material toggling roller outer wall is laid with multiple rows of zigzag material toggling tooth, described in the material toggling roller both ends are stretched out Lock wind body exterior is connected to bearing block, and two described material toggling roller one end provided with gear by being engaged transmission, wherein one The material toggling roller other end is connected by sprocket wheel with the variable-frequency motor.
- 4. novel vertical mill intelligence airlock according to claim 1, it is characterised in that：The lock wind body interior runs through Provided with single material toggling roller, the edge of this material toggling roller is corresponded to below the hopper discharging opening, and this material toggling roller outer wall is laid with multiple rows of Zigzag material toggling tooth, the material toggling roller both ends stretch out the lock wind body exterior and are connected to bearing block, and wherein one end also connects Sprocket wheel is connected to be connected with the variable-frequency motor.
- 5. novel vertical mill intelligence airlock according to claim 1, it is characterised in that：The hopper uses back taper, Booster action is played to discharging.
- 6. novel vertical mill intelligence airlock according to claim 1, it is characterised in that：The electrical control mechanism uses PLC Mode controls.
- 7. novel vertical mill intelligence airlock according to claim 2, it is characterised in that：The high-order material meter and described Low level material meter is using ray level-sensing device.
- 8. novel vertical mill intelligence airlock according to claim 1, it is characterised in that：It is additionally provided with below the material toggling roller Warm-air pipe.
- 9. the novel vertical mill intelligence airlock according to claim 3 and 4, it is characterised in that：The material toggling tooth uses 16Mn low alloy steel plates, and covered with Mn13 potassium steel layers outside the material toggling tooth increment.
- 10. novel vertical mill intelligence airlock according to claim 1, it is characterised in that：The lock wind body bottom portion can Provided with weighing sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752303.2A CN107442260A (en) | 2017-08-28 | 2017-08-28 | A kind of novel vertical mill intelligence airlock |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710752303.2A CN107442260A (en) | 2017-08-28 | 2017-08-28 | A kind of novel vertical mill intelligence airlock |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107442260A true CN107442260A (en) | 2017-12-08 |
Family
ID=60494272
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710752303.2A Pending CN107442260A (en) | 2017-08-28 | 2017-08-28 | A kind of novel vertical mill intelligence airlock |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107442260A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005169198A (en) * | 2003-12-09 | 2005-06-30 | Meiji Kikai Kk | Mill of grain/seed/solid resin or the like |
| CN102730998A (en) * | 2011-04-08 | 2012-10-17 | 张海清 | Novel valveless auto air-blocking feeding technology for vertical mill and feeding apparatus thereof |
| CN103863771A (en) * | 2012-12-13 | 2014-06-18 | 哈尔滨弘泰电力设备有限公司 | Straight-tooth-shaped rotation shaft |
-
2017
- 2017-08-28 CN CN201710752303.2A patent/CN107442260A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005169198A (en) * | 2003-12-09 | 2005-06-30 | Meiji Kikai Kk | Mill of grain/seed/solid resin or the like |
| CN102730998A (en) * | 2011-04-08 | 2012-10-17 | 张海清 | Novel valveless auto air-blocking feeding technology for vertical mill and feeding apparatus thereof |
| CN103863771A (en) * | 2012-12-13 | 2014-06-18 | 哈尔滨弘泰电力设备有限公司 | Straight-tooth-shaped rotation shaft |
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| PB01 | Publication | ||
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20171208 |