CN106824493B - Calcium carbonate grinding machine follows bad wind adjusting method - Google Patents
Calcium carbonate grinding machine follows bad wind adjusting method Download PDFInfo
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- CN106824493B CN106824493B CN201710042521.7A CN201710042521A CN106824493B CN 106824493 B CN106824493 B CN 106824493B CN 201710042521 A CN201710042521 A CN 201710042521A CN 106824493 B CN106824493 B CN 106824493B
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- grinding machine
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C25/00—Control arrangements specially adapted for crushing or disintegrating
Abstract
The invention discloses a kind of calcium carbonate grinding machines to follow bad wind regulating system and adjusting method, it includes grinding machine, exhaust blower, wind pipe, return air duct, volume damper, first pressure detects table, second pressure detects table, temperature and humidity tester and controller, the air outlet of grinding machine is connect by wind pipe with exhaust blower, exhaust blower is connect by return air duct with grinding machine air intake vent, volume damper is provided on return air duct, first pressure detects table and is arranged in grinding machine inside cavity, second pressure detects table and is arranged on wind pipe, controller detects table according to the first pressure, the pressure signal of second pressure detection table input is calculated in grinding machine cavity and the pressure difference value in wind pipe, and it exports exhaust blower motor speed and adjusts control signal；The method realizes the intracorporal temperature and humidity adjustment of opposite grinding machine cavity by adjusting air quantity.The present invention can produce more preferably abrasive material effect by the adjusting to grinding machine temperature and humidity.
Description
Technical field
The present invention relates to wet grinding mill pink collar domain, specifically a kind of calcium carbonate grinding machine follows bad wind regulating system and adjusting method.
Background technique
In powder industry field, wet process milling be widely used, traditional dry powder grind there are powder be easy
The problems such as fugitive dust, not well-balanced enough abrasive material, existing grinding machine are provided with water jet, during grinding machine tells operating, in grinding machine
The temperature and humidity environment in portion has vital influence to abrasive efficiency.The solution of temperature and humidity is big inside existing adjusting grinding machine
All cost is very high.
The Chinese patent of Publication No. CN203830117U discloses a kind of New Cement Grinding System, and in particular to cement
Production equipment technology, the discharge end of the raw material cabin connect first elevator by the first conveyer, and described first
The discharge end of elevator connects the intermediate bin, discharge end of its raw material of the utility model through raw material cabin by the first conveyer and
First elevator is delivered to intermediate bin, then is delivered in vertical mill through second conveyor, then by dust-precipitator by its material collection
And finished bin is delivered to by third conveyer and the second elevator, while by being mounted on vertical mill in above-mentioned grinding process
On temperature sensor and humidity sensor detect the temperature and humidity situation in its vertical mill, to determine hot-blast stove by controller
And air-cooler whether into Vertical Mill heat air delivery or cold wind, to meet the temperature needs in vertical mill, high degree of automation, object
Material residence time in grinding is short, and yield is high.
The patent detects temperature and humidity environment by mounting temperature sensor, humidity sensor, this point and of the invention
Detect the intracorporal temperature and humidity scheme of grinding machine chamber it is identical, still, the patent distinguished by hot-blast stove and cool wind stove heat air delivery or
The way of cold wind increases cost；One exhaust blower of the present invention is arranged in return air duct and is open, and by contacting with atmosphere, puts down
Weigh return air duct pressure, to detect pressure difference in grinding machine inner chamber body and air draft pipe, is automatically adjusted according to this pressure difference
The revolving speed and volume damper of exhaust blower achieve the effect that regulate and control grinding machine chamber pressure, simultaneously because discharge pipe says hot wind, band
Heat has been walked, in grinding machine work, has made internal pressure lower than external atmosphere pressure, returns hot wind using return air duct, supplement exhausting
The heat that pipeline is taken away not only maintains grinding machine chamber pressure in optimum range, and can also maintain temperature is being suitable for sending out range.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of calcium carbonate grinding machine follow bad wind regulating system and
Adjusting method at least to realize low cost regulation grinding machine cavity temperature and humidity environment, and then realizes better abrasive material effect.
The purpose of the present invention is achieved through the following technical solutions: a kind of calcium carbonate grinding machine follows bad wind regulating system,
It include grinding machine, exhaust blower, wind pipe, return air duct, volume damper, first pressure detection table, second pressure detection table,
The air outlet of temperature and humidity tester and controller, the grinding machine is connect by wind pipe with exhaust blower, and the exhaust blower passes through
Return air duct is connect with grinding machine air intake vent, and volume damper is provided on return air duct, and the first pressure detection table is set
Set in grinding machine inside cavity, for detecting the pressure size of grinding machine inside cavity, and in real time output pressure signal to the control
Device, the second pressure detection table is arranged on wind pipe, for the pressure size in real-time detection wind pipe, and it is real
When be transferred in the controller, the controller according to the first pressure detect table, second pressure detection table input pressure
The pressure difference value in grinding machine cavity and in wind pipe is calculated in force signal, and exports exhaust blower motor speed and adjust control letter
Number, the slewing rate for adjusting exhaust blower, which is realized, adjusts pressure in wind pipe, and the return air duct is provided with opening, described to open
Mouth is contacted with atmosphere, and for balancing the pressure in return air duct, inside cavity is negative pressure state to grinding machine at work, can be sucked
The hot wind of recovery channel realizes and adjusts the intracorporal pressure of grinding machine chamber, temperature and humidity, the grinding machine is arranged in internal cavity
There is material bed, the abrasive material on material bed, inside cavity pressure is lower than external atmosphere pressure when grinding machine works, and can adjust by volume damper
It saves return air duct and inputs grinding machine cavity air quantity, adjust inside cavity pressure；The temperature and humidity tester is mounted on grinding machine cavity
Inside, for real-time detection abrasive material environment temperature and humidity and be transferred to controller.
The return air duct recycles input air draft pipe to grinding machine inside cavity and pumps out hot wind, and hot wind can be adjusted
The intracorporal temperature of grinding machine chamber.
The grinding machine includes roller mill or ball mill.
The exhaust blower is provided with exhaust duct, and exhaust duct is contacted with atmosphere, can exclude to pump in air draft pipe
Out for the excessive gas other than return air duct.
The temperature and humidity tester can detect simultaneously the temperature and humidity of grinding machine inside cavity, and be real-time transmitted to control
Device processed, controller processing preset parameter value and carry out judgement processing.
The temperature and humidity tester is used for the temperature and humidity situation of material bed and transmission of monitoring signal described in real-time monitoring to control
Device processed.
A kind of calcium carbonate grinding machine follows bad wind adjusting method, it the following steps are included:
S1: the air of grinding machine inside cavity is extracted in starting, exhaust blower operating out, and grinding machine internal cavity is in negative pressure state；
S2: grinding machine starts to run at high speed, and starts abrasive material, and first pressure detects table and detects grinding machine internal cavity pressure size,
And it is transferred to controller, second pressure detection table detection wind pipe internal pressure power size is simultaneously transferred to controller, Temperature and Humidity
Instrument exports Temperature and Humidity signal to controller；
S3: controller calculates the pressure difference between grinding machine inside cavity and wind pipe inside, by pressure size, pressure
Difference, temperature and humidity value are compared judgement with preset value；
S4: controller output adjusts control signal and controls exhaust blower motor exploitation speed, and then adjusts exhausting rate, realizes
The problem of adjusting pressure difference, makes grinding machine internal cavity always work in negative pressure state；
S5: the return air flow and wind speed in return air duct are adjusted by volume damper.
The wind pipe has taken away heat by exhaust blower, is hot wind by the wind in return air duct, can adjust mill
The thermal loss of machine inside cavity.
In steps of 5, return air duct air quantity adjusting can be carried out by way of artificial or controller.
Pressure, the temperature and humidity of grinding machine inside cavity can be adjusted by the adjusting of air quantity, the opening is for eliminating
The influence of return air duct opposite grinding machine inside cavity pressure.
The beneficial effects of the present invention are: the present invention realizes during grinding machine abrasive material, pass through detection internal cavity and pumping
The pressure of air piping, then calculates internal and external pressure difference, adjusts the motor exploitation speed of exhaust blower according to pressure difference and air quantity is adjusted
Valve realizes that control internal cavity pressure ensures the optimum efficiency of abrasive material in a certain range, and utilizes the hot wind of circulation, cold wind
The temperature and humidity of inside cavity can also be adjusted.Present invention realization automatically and manually combines, and adjusts from exhausting and return air is adjusted
It combines and is adjusted, regulated and controled the temperature and humidity environment of grinding machine inside cavity, improved the effect of abrasive material.
Detailed description of the invention
Fig. 1 is system construction drawing of the invention；
Fig. 2 is execution flow chart of the invention；
Fig. 3 is method and step schematic diagram of the invention；
In figure, 771- volume damper, the normally opened openning of 772-, 773- material bed.
Specific embodiment
Technical solution of the present invention is described in further detail with reference to the accompanying drawing, but protection scope of the present invention is not limited to
It is as described below.
As shown in Figure 1, a kind of calcium carbonate grinding machine follows bad wind regulating system, it includes grinding machine, exhaust blower, wind pipe, returns
Air piping, volume damper, first pressure detection table, second pressure detection table, temperature and humidity tester and controller, the grinding machine
Air outlet connect with exhaust blower by wind pipe, the exhaust blower passes through return air duct and connect with grinding machine air intake vent, time
Volume damper is provided in air piping, the first pressure detection table is arranged in grinding machine inside cavity, for detecting grinding machine
The pressure size of inside cavity, and output pressure signal exists to the controller, the second pressure detection table setting in real time
On wind pipe, for the pressure size in real-time detection wind pipe, and it is real-time transmitted in the controller, the control
Device is calculated in grinding machine cavity according to the pressure signal that the first pressure detection table, second pressure detection table input and outlet air
Pressure difference value in pipeline, and export exhaust blower motor speed and adjust control signal, the slewing rate for adjusting exhaust blower, which is realized, to be adjusted
Pressure in wind pipe is saved, the return air duct is provided with opening, and the opening is contacted with atmosphere, for balancing return air duct
Interior pressure, inside cavity is negative pressure state to grinding machine at work, can suck the hot wind of recovery channel, realize and adjust grinding machine chamber
Intracorporal pressure, temperature and humidity, the grinding machine are provided with material bed in internal cavity, the abrasive material on material bed, grinding machine work
When inside cavity pressure be lower than external atmosphere pressure, by volume damper can adjust return air duct input grinding machine cavity air quantity,
Adjust inside cavity pressure；The temperature and humidity tester is mounted on grinding machine inside cavity, for real-time detection abrasive material environment
Temperature and humidity is simultaneously transferred to controller.
The return air duct recycles input air draft pipe to grinding machine inside cavity and pumps out hot wind, and hot wind can be adjusted
The intracorporal temperature of grinding machine chamber.
The grinding machine includes roller mill or ball mill.
The exhaust blower is provided with exhaust duct, and exhaust duct is contacted with atmosphere, can exclude to pump in air draft pipe
Out for the excessive gas other than return air duct.
The temperature and humidity tester can detect simultaneously the temperature and humidity of grinding machine inside cavity, and be real-time transmitted to control
Device processed, controller processing preset parameter value and carry out judgement processing.
The temperature and humidity tester is used for the temperature and humidity situation of material bed and transmission of monitoring signal described in real-time monitoring to control
Device processed.
Such as Fig. 2, shown in 3, a kind of calcium carbonate grinding machine follows bad wind adjusting method, it the following steps are included:
S1: the air of grinding machine inside cavity is extracted in starting, exhaust blower operating out, and grinding machine internal cavity is in negative pressure state；
S2: grinding machine starts to run at high speed, and starts abrasive material, and first pressure detects table and detects grinding machine internal cavity pressure size,
And it is transferred to controller, second pressure detection table detection wind pipe internal pressure power size is simultaneously transferred to controller, Temperature and Humidity
Instrument exports Temperature and Humidity signal to controller；
S3: controller calculates the pressure difference between grinding machine inside cavity and wind pipe inside, by pressure size, pressure
Difference, temperature and humidity value are compared judgement with preset value；
S4: controller output adjusts control signal and controls exhaust blower motor exploitation speed, and then adjusts exhausting rate, realizes
The problem of adjusting pressure difference, makes grinding machine internal cavity always work in negative pressure state；
S5: the return air flow and wind speed in return air duct are adjusted by volume damper.
The wind pipe has taken away heat by exhaust blower, is hot wind by the wind in return air duct, can adjust mill
The thermal loss of machine inside cavity.
In steps of 5, return air duct air quantity adjusting can be carried out by way of artificial or controller.
Pressure, the temperature and humidity of grinding machine inside cavity can be adjusted by the adjusting of air quantity, the opening is for eliminating
The influence of return air duct opposite grinding machine inside cavity pressure, realizes best abrasive material effect.
Controller calculates grinder inside and outside differential pressure, and material bed keeps temperature and humidity, realizes preferably abrasive material effect, opening: balance
External pressure can calculate pressure difference as long as through pressure gauge 1 and 2, if be not open, cannot be calculated by pressure gauge 1,2
Pressure difference, pressure has an impact at return air, can not achieve adjusting material bed pressure and temperature humidity, and hot wind enters to make grinding machine temperature liter
Height, pressure detecting table.It is negative pressure in grinding machine.The temperature and humidity for adjusting material bed, realizes better abrasive material effect.It is interior when grinding machine works
Portion is negative pressure, absorbs extraneous gas.
Claims (4)
1. a kind of calcium carbonate grinding machine follows the adjusting method of bad wind regulating system, this method follows bad wind using calcium carbonate grinding machine and adjusts system
System, which includes grinding machine, exhaust blower, wind pipe, return air duct, volume damper, first pressure detection table, second pressure
Table, temperature and humidity tester and controller are detected, the air outlet of the grinding machine is connect by wind pipe with exhaust blower, the air draft
Machine is connect by return air duct with grinding machine air intake vent, and volume damper, the first pressure inspection are provided on return air duct
Table setting is surveyed in grinding machine inside cavity, for detecting the pressure size of grinding machine inside cavity, and in real time output pressure signal to institute
Controller is stated, the second pressure detection table is arranged on wind pipe, big for the pressure in real-time detection wind pipe
It is small, and be real-time transmitted in the controller, the controller is defeated according to first pressure detection table, second pressure detection table
The pressure difference value in grinding machine cavity and in wind pipe is calculated in the pressure signal entered, and exports the adjusting of exhaust blower motor speed
Signal is controlled, the slewing rate for adjusting exhaust blower, which is realized, adjusts pressure in wind pipe, and the return air duct is provided with opening,
The opening is contacted with atmosphere, and for balancing the pressure in return air duct, inside cavity is negative pressure state, energy to grinding machine at work
The hot wind for enough sucking recovery channel is realized and adjusts the intracorporal pressure of grinding machine chamber, temperature and humidity, and the grinding machine is in internal cavity
In be provided with material bed, material bed on abrasive material, grinding machine work when inside cavity pressure be lower than external atmosphere pressure, pass through volume damper
Return air duct input grinding machine cavity air quantity can be adjusted, inside cavity pressure is adjusted；The temperature and humidity tester is mounted on mill
Machine inside cavity, for real-time detection abrasive material environment temperature and humidity and be transferred to controller, the temperature and humidity tester can
The temperature and humidity of grinding machine inside cavity is detected simultaneously, and is real-time transmitted to controller, controller processing presets parameter value
Carry out judgement processing, temperature and humidity situation and transmission of monitoring signal of the temperature and humidity tester for material bed described in real-time monitoring
To controller, which is characterized in that method includes the following steps:
S1: the air of grinding machine inside cavity is extracted in starting, exhaust blower operating out, and grinding machine internal cavity is in negative pressure state；
S2: grinding machine starts to run at high speed, and starts abrasive material, first pressure detects table and detects grinding machine internal cavity pressure size, and passes
Defeated to arrive controller, second pressure detection table detection wind pipe internal pressure power size is simultaneously transferred to controller, and temperature and humidity tester is defeated
Temperature and Humidity signal is to controller out；
S3: controller calculates the pressure difference between grinding machine inside cavity and wind pipe inside, by pressure size, pressure difference, temperature
Humidity value is compared judgement with preset value；
S4: controller output adjusts control signal and controls exhaust blower motor exploitation speed, and then adjusts exhausting rate, realizes and adjusts
The problem of pressure difference, makes grinding machine internal cavity always work in negative pressure state；
S5: the return air flow and wind speed in return air duct are adjusted by volume damper.
2. a kind of calcium carbonate grinding machine as described in claim 1 follows the adjusting method of bad wind regulating system, it is characterised in that: described
Wind pipe has taken away heat by exhaust blower, is hot wind by the wind in return air duct, can adjust grinding machine inside cavity
Thermal loss.
3. the adjusting method that a kind of calcium carbonate grinding machine as described in claim 1 follows bad wind regulating system, it is characterised in that: in step
In rapid 5, return air duct air quantity adjusting can be carried out by way of artificial or controller.
4. the adjusting method that a kind of calcium carbonate grinding machine as described in claim 1 follows bad wind regulating system, it is characterised in that: pass through
The adjusting of air quantity can adjust pressure, the temperature and humidity of grinding machine inside cavity, and the opening is for eliminating return air duct opposite grinding
The influence of machine inside cavity pressure.
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| CN201710042521.7A CN106824493B (en) | 2017-01-20 | 2017-01-20 | Calcium carbonate grinding machine follows bad wind adjusting method |
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| CN201710042521.7A CN106824493B (en) | 2017-01-20 | 2017-01-20 | Calcium carbonate grinding machine follows bad wind adjusting method |
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| CN111298951A (en) * | 2020-03-24 | 2020-06-19 | 桂林鸿程矿山设备制造有限责任公司 | Automatic powder selection control method, system and device for vertical mill classifier |
| CN112058408B (en) * | 2020-07-30 | 2022-06-03 | 河南黎明重工科技股份有限公司 | Pressure balancing device for vertical roller mill |
| CN114468787B (en) * | 2021-12-23 | 2023-08-11 | 深圳市晨北科技有限公司 | Cooking equipment and control method thereof |
| CN115501966B (en) * | 2022-07-15 | 2024-01-30 | 河南黎明重工科技股份有限公司 | Energy-saving and efficiency-increasing vertical roller mill system |
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| KR100924890B1 (en) * | 2006-09-15 | 2009-11-02 | 어쓰 링크 가부시키가이샤 | Crushed material producing device |
| CN101224440A (en) * | 2007-01-17 | 2008-07-23 | 杨建勋 | Gas recycling system of recirculation air pulverizer |
| CN203711129U (en) * | 2014-02-22 | 2014-07-16 | 昆明钢铁控股有限公司 | Device for automatically controlling discharging air pressure of cement mill |
| US9676012B2 (en) * | 2014-08-21 | 2017-06-13 | Spectrum Medical Lending, Llc | Devices for treating medical waste and methods of their use |
| CN204182458U (en) * | 2014-11-03 | 2015-03-04 | 滨州学院 | Jet cycling mill device |
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