CN106403501A - Drying system controlling feeding air quantity intelligently according to coal supply amount - Google Patents
Drying system controlling feeding air quantity intelligently according to coal supply amount Download PDFInfo
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- CN106403501A CN106403501A CN201610859947.7A CN201610859947A CN106403501A CN 106403501 A CN106403501 A CN 106403501A CN 201610859947 A CN201610859947 A CN 201610859947A CN 106403501 A CN106403501 A CN 106403501A
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- 238000001035 drying Methods 0.000 title claims abstract description 144
- 239000003245 coal Substances 0.000 title claims abstract description 127
- 238000007602 hot air drying Methods 0.000 claims abstract description 4
- 238000005259 measurement Methods 0.000 claims description 40
- 238000012546 transfer Methods 0.000 claims description 30
- 230000008859 change Effects 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 13
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 3
- 230000001939 inductive effect Effects 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 16
- 230000000694 effects Effects 0.000 description 13
- 238000001514 detection method Methods 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 8
- 230000018044 dehydration Effects 0.000 description 7
- 238000006297 dehydration reaction Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 230000007423 decrease Effects 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 230000001965 increasing effect Effects 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 3
- 238000002360 preparation method Methods 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- 230000003321 amplification Effects 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 239000003610 charcoal Substances 0.000 description 2
- 230000008020 evaporation Effects 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 239000002817 coal dust Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000010981 drying operation Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000007731 hot pressing Methods 0.000 description 1
- 238000010335 hydrothermal treatment Methods 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000006028 limestone Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000011897 real-time detection Methods 0.000 description 1
- 230000002269 spontaneous effect Effects 0.000 description 1
- 238000012795 verification Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B1/00—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids
- F26B1/005—Preliminary treatment of solid materials or objects to facilitate drying, e.g. mixing or backmixing the materials to be dried with predominantly dry solids by means of disintegrating, e.g. crushing, shredding, milling the materials to be dried
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B17/00—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement
- F26B17/02—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces
- F26B17/04—Machines or apparatus for drying materials in loose, plastic, or fluidised form, e.g. granules, staple fibres, with progressive movement with movement performed by belts carrying the materials; with movement performed by belts or elements attached to endless belts or chains propelling the materials over stationary surfaces the belts being all horizontal or slightly inclined
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
- F26B21/002—Drying-air generating units, e.g. movable, independent of drying enclosure heating the drying air indirectly, i.e. using a heat exchanger
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/12—Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention relates to a hot air drying system. A drying device comprises a box body, a temperature sensor, a flow rate sensor and a conveyor belt. The conveyor belt penetrates through the box body, the temperature sensor comprises an inlet temperature sensor for measuring the temperature of hot air entering the drying device, the flow rate sensor is used for measuring the flow rate of air entering the drying device so as to calculate the flow of air entering the drying device, an air inlet pipeline temperature sensor and the flow rate sensor are in data connection to a central controller, and hot air guided by a fan enters the drying device through an air inlet pipeline to dry coal; the fan is in data connection to the central controller; and the central controller automatically adjusts power of the fan according to the detected coal supply quality in unit time so as to adjust the flow of hot air entering the drying device. According to the hot air system provided by the invention, the temperature of air inlet hot air and the coal supply amount of the drying device are linked together for the first time, so that an intelligent control relationship therebetween is established, and meanwhile, coal is dried by intelligently utilizing solar energy, so that the hot air drying system is energy-saving and green and environmental-friendly.
Description
Technical field
The invention belongs to field is dried, more particularly, to a kind of apparatus and method that coal is dried.
Background technology
Coal as one of main disposable energy of country, but moisture is high, calorific value is low, easy spontaneous combustion the features such as, coal
Large-scale develop and utilize by larger restriction.Either have in mind at national overall situation, or from Business Economic Benefit
Angle is seen, coal drying and dewatering, the technical research of raising unit mass heating value of coal and popularization are very important.Steam pipe
Swinging coal predry drying system, after wet coal high for moisture content is dried in steam tube rotary drier, is sent to and joins
Have in the pulverized coal preparation system of medium-speed pulverizer and grind, then burn in boiler.Because the most of moisture in coal is evaporated
Come, the low heat valve of unit mass coal is improved, and also reduces exhaust gas volumn and the flue gas loss of boiler simultaneously.By following
Steam in coal is carried out by ring carrier gas, and cooling tower and heat exchanger reclaim heat and moisture, and unit reality water consumption drops significantly
Low.Because coal water content is larger, the drying capacity for pulverized coal preparation system has high demands；And volatile matters are higher, coal dust is easily sent out
Be conigenous fire fried.
The research being dehydrated upgrading technology to coal has started to become domestic and international focus, and abroad this has been done with numerous studies, coal
Charcoal dehydration upgrading technology is more, and substantially can be divided three classes method：Mechanical dehydration method, dehydration by evaporation method and non-evaporating dehydrolysis method.
Mechanical dehydration method is widely used in coal preparation plant, but the still difficult adaptation of its disposal ability and dewatering efficiency requires.Dehydration by evaporation method, profit
With the heating coal that the media such as deep fat, hot-air, superheated steam are direct or indirect, moisture in coal is made to remove in a gaseous form.
Dehydration by evaporation technique needs substantial amounts of energy to carry out transpiring moisture, and energy consumption is big.Non-evaporating dehydrolysis method be broadly divided into hydrothermal treatment consists method and
Mechanical hot pressing evaporation, the moisture in coal is removed in liquid form.Non-evaporating dehydrolysis method, complex process, relatively costly, mesh
Front do not put into commercial Application.Additionally, non-evaporating dehydrolysis method also brings the problems such as waste water, exhaust-gas treatment.
Current drying equipment, intelligence degree is not high, and sometimes because the quantity of hot air of supply or coal amount
Excessive or very few, the waste that causes drying effect bad or cause the excessive of hot-air and lead to, therefore need exploitation badly
A kind of power consumption is few, discharges little, low cost, green coal dehydration technique that is safe and reliable and can carrying out Based Intelligent Control.
Content of the invention
For the shortcoming of currently available technology, it is an object of the invention to provide a kind of solar energy coal of new Based Intelligent Control
Drying device, solves disadvantages mentioned above.
To achieve these goals, technical scheme is as follows：A kind of hot-air drying system, described drying system
Including feeder, breaker and drying device, described feeder includes coal breakage nozzle, load-bearing carrying roller, weight sensor, roller
And motor, belt, the rotation of motor driving rolls, described load-bearing carrying roller is arranged on the bottom of belt and tightly holds in the palm skin
Band, described weight sensor is arranged on load-bearing carrying roller bottom, passes through the quality of the coal of belt-conveying for cooling water of units of measurement time；
Described weight sensor and central controller data cube computation；
Described drying device includes casing, temperature sensor, flow sensor and conveyer belt, and described conveyer belt passes through case
Body, temperature sensor includes inlet temperature sensor, and measurement enters the hot air temperature of drying device, and described flow sensor is used
Enter the air velocity of drying device in measurement, thus calculating the air mass flow entering drying device, admission line temperature passes
Sensor and flow sensor carry out data cube computation with central controller, and described hot-air passes through air inlet pipe under the guiding of blower fan
Road enters drying device, and coal is dried；Described blower fan and central controller carry out data cube computation；
Central controller according to measurement unit interval to ature of coal amount come the power of adjust automatically blower fan, thus adjust into
Enter the hot air flowrate of drying device.
If preferably, the rising to ature of coal amount of the unit interval of central controller measurement, central controller is automatic
Increase the power of blower fan.If central controller measurement unit interval to coal Quality Down, central controller drops automatically
The power of low blower fan.
Preferably, inclusion solar thermal collector, described air enters solar thermal collector by air-introduced machine, and in the sun
Energy heat collector absorbs the heat of solar thermal collector, forms hot-air, and described hot-air enters under the guiding of blower fan and dress is dried
Put, coal is dried；A hot-air part for solar thermal collector heating enters drying device, a part by main channel
Heat utilization device is entered by bypass channel, the main channel that solar thermal collector is connected with drying device arranges the first blower fan,
Solar thermal collector is connected with heat utilization device on bypass channel and arranges the second blower fan, by the work(of the first blower fan, the second blower fan
The change of rate changes the hot air flowrate entering drying device and heat utilization device.
If preferably, the rising to ature of coal amount of the unit interval of central controller measurement, central controller is automatic
Increase the power of the first blower fan, reduce the power of the second blower fan simultaneously；If central controller measurement unit interval to coal
Quality Down, then the automatic power reducing the first blower fan of central controller, increases the power of the second blower fan simultaneously.
Preferably, central controller is adjusted according to equation below, that is,：The heat that unit interval enters drying device is empty
The quality of the coal of the flow of gas × (entering the temperature-fiducial temperature of the hot-air of drying device)/unit interval feeder transmission
=constant.
Preferably, constant presets in the central controller.
Preferably, fiducial temperature is 30-40 degree Celsius.
Preferably, when the unit interval of measurement being the first mass to ature of coal amount, blower fan is blown with the first power；
When the unit interval of measurement having risen to second mass bigger than the first mass to ature of coal amount, blower fan is with higher than the first power
Second power is blown；When the unit interval of measurement having risen to three mass bigger than the second mass to ature of coal amount, wind
Machine is blown with the 3rd power higher than the second power；Rise to ratio the 3rd mass when the unit interval of measurement to ature of coal amount
During big four mass, blower fan is blown with the 4th power higher than the 3rd power；When the unit interval of measurement is to ature of coal amount
When having risen to five mass bigger than the 4th mass, blower fan is blown with the 5th power higher than the 4th power.
Preferably, the 5th mass is more than the 4th mass 1.5-1.3 kilogram, the 4th mass is more than the 3rd mass 1.3-1.1
Kilogram, the 3rd mass is more than the second mass 1.1-0.9 kilogram, and the second mass is more than the 5th mass 0.9-0.8 kilogram.
Preferably, described drying device includes casing, conveyer belt, described conveyer belt pass through casing, described hot-air from
The bottom of drying device enters drying device, then passes through transmission and brings the coal that conveyer belt on conveying is dried, finally from drying
The outlet of device is discharged, thus completing the drying to coal；
The air intake pipe of described drying device includes house steward, and described house steward connects many isocons, by isocon
Deliver air to conveyer belt bottom, multiple isocons are set along conveyer belt transporting direction, each isocon arranges one
Blower fan, along conveyer belt direction of transfer, the power of described blower fan is less and less, and the amplitude that the power of described blower fan diminishes gradually drops
Low.
Preferably, assume enter into conveyer belt unit interval Coal Quality be Z, quality moisture content be H when, enter
The admission line hot air temperature entering drying device is D1, air mass flow is L, and the outlet hot air temperature leaving drying device is
D2, when the transfer rate of conveyer belt is S, represents the drying effect meeting certain condition；Above-mentioned unit interval coal matter
Amount Z, quality moisture content H, admission line air themperature D1, air mass flow L, outlet air temperature D2, transfer rate S of conveyer belt
Referred to as standard quality, standard aqueous rate, standard admission line temperature, standard exit temperature, normal air flow, standard speed,
I.e. normal data；Described normal data stores in the central controller；
When unit interval Coal Quality be z, quality moisture content be h when, enter drying equipment the flow l of air,
Admission line air themperature d1, outlet air temperature d2 and conveyer belt transfer rate s meet following operational mode：
Conveyer belt transfer rate s keeps standard speed S constant, and the flow l change of air is as follows：
L* (d1-d2)=L* (D1-D2) * (h/H)a*(z/Z)b, wherein a, b are parameter, 1.09 ＜ a ＜ 1.15,1.08 ＜ b
＜ 1.16；Preferably, the increase with h/H is gradually increased, b is gradually increased with the increase of z/Z.
Compared with prior art, the drying device of the present invention has such advantages as：
1) intake air temperature of drying device and coal-supplying amount are coupled together it is established that both intelligence by the present invention first
Energy control planning, intellectuality simultaneously carries out coal drying, energy saving, environmental protection using solar energy.
2) central controller automatically controls and is transported to quantity of hot air and/or line speed, energy saving in drying device.
3) pass through the Boiler pressure control along conveyer belt direction, substantially increase drying efficiency it is ensured that be dried is optimal
Effect.
4) draw the optimal control relationship of optimal control quantity of hot air and transfer rate by numerous studies, realize
Intelligentized drying control, decreases human intervention.
Brief description
Fig. 1 is the structural representation of an embodiment of a coal drying device of the present invention.
Fig. 2 is the structural representation of another embodiment of the coal drying device of the present invention.
Fig. 3 is the schematic flow sheet of coal drying device of the present invention.
Fig. 4 is the schematic diagram of solar energy coal drying device of the present invention.
Fig. 5 is another embodiment schematic diagram of solar energy coal drying device of the present invention.
Fig. 6 is the schematic diagram of drying device control system of the present invention.
Wherein, feeder 1, breaker 2, admission line 3, dry section 4, main channel 5, conveyer belt 6, pulley 7, coal bunker 8,
Dry section air outlet slit 10, air outlet slit 11, bypass channel 12, blower fan 13, outlet temperature sensor 14, heat collector 15, air inducing
Machine 16, drying device 17, heat-exchanger rig 18, main road valve 19, bypass valve 20, central controller 21, admission line temperature passes
Sensor 22, effusion meter 23, header 24
Specific embodiment
Fig. 1-2 illustrates the structural representation of drying system, as shown in figure 1, described drying system includes feeder 1, breaks
Crushing device 2, drying device 17, described drying device 17 includes casing, temperature sensor, flow sensor, central controller 21
With conveyer belt 6, described conveyer belt 6 passes through casing, and temperature sensor includes inlet temperature sensor 22 and outlet temperature sensor
14, measurement respectively enters the hot air temperature of drying device 17 and leaves the air themperature of drying device 17, described flow-velocity sensing
Device 23 is used for the air velocity that measurement enters drying device 17, thus calculating the air mass flow entering drying device 17, import
Temperature sensor 22, outlet temperature sensor 14 and flow sensor 23 and central controller 21 are attached.
Preferably, described hot-air enters drying device by admission line 2, described inlet temperature sensor 22 is arranged
In admission line 2.
Described coal enters from coal breakage nozzle 1-1, is conveyed into breaker 2 through belt 1-7, and breaker 2 will
Broken coal is transferred to drying device, then dry by carrying pertusate belt-type conveying equipment to pass sequentially through in drying device
Product be connected to coal bunker 8 after dry device box.
Described air enters drying device 17 from the bottom of drying device 17, then passes through conveyer belt 6 conveyer belt 6 is dried
The coal of upper conveying, finally discharges from the outlet of drying device 17, thus completing the drying to coal.
As illustrated in fig. 1 and 2, described feeder 1 is belt-type bearing type feeder, including coal breakage nozzle 1-1, load-bearing carrying roller
1-2, weight sensor 1-3, velocity sensor 1-4, roller 1-5 and motor 1-6, belt 1-7, motor 1-6 drives
Dynamic roller 1-5 rotates, and described velocity sensor 1-4 measures the rotating speed of motor 1-6, thus calculating the transmission speed of belt
Degree.Described load-bearing carrying roller 1-2 is arranged on the bottom of belt 1-7 and tightly holds in the palm belt, and described weight sensor 1-3 is arranged on load-bearing
Carrying roller 1-2 bottom, the quality of the coal being transported by belt 1-7 for cooling water of units of measurement time.Described velocity sensor 1-4,
Weight sensor 1-3 and central controller 21 data cube computation.
As shown in fig. 6, described hot-air enters drying device 17 by admission line 3 under the guiding of blower fan 19, to coal
Charcoal is dried.Described blower fan 19 carries out data cube computation with central controller 21.When central controller 21 is according to the unit measuring
Between the power carrying out adjust automatically blower fan 19 to ature of coal amount, thus being adjusted into the hot air flowrate of drying device 17.
By controlling the flow of hot-air to ature of coal amount, thus avoiding hot-air excessively to cause heat loss, it is to avoid heat is empty
The drying effect of the very few coal causing of gas is bad.By the Limestone control hot air flowrate of feeder can with energy saving,
Ensure optimal drying effect.
Be in operation, if central controller 21 measurement unit interval to ature of coal amount rise, central controller 21
Automatically increase the power of blower fan 19.If the unit interval of central controller 21 measurement to coal Quality Down, central authorities control
Device 21 reduces the power of blower fan 19 automatically.Change the stream of hot air entering drying device 17 by changing the power of blower fan 19
Amount, to ensure the total effective heat exchange amount (i.e. efficiency) of hot-air and the unit interval that enter drying device 17 need drying to
Ature of coal amount keep correspond to, it is to avoid the energy excessive or not enough.
Fig. 4 illustrates a kind of solar energy coal drying system, including solar thermal collector 15 and above-mentioned drying device 17, institute
State air by air-introduced machine 16 enter solar thermal collector 15, and in solar thermal collector 15 absorb solar energy heat, shape
Become hot-air, described hot-air enters drying device under the guiding of blower fan 19, coal is dried.
Preferably, Fig. 5 illustrates another embodiment schematic diagram of solar energy coal drying device of the present invention.
As shown in figure 5, solar thermal collector heating hot-air a part by main channel 5 enter drying device 17, one
Part enters heat utilization device 18 by bypass channel 12, on the main channel 5 that solar thermal collector 15 is connected with drying device 17
First blower fan 19 is set, and solar thermal collector 15 is connected with heat utilization device 18 on bypass channel 12 and arranges the second blower fan 20, leads to
Cross the first blower fan 19, the change of the power of the second blower fan 20 changes the stream of hot air entering drying device 17 and heat utilization device 18
Amount.
If preferably, central controller 21 measurement unit interval to ature of coal amount rise, central controller from
The dynamic power increasing by the first blower fan 19, reduces the power of the second blower fan 20 simultaneously；If during the unit of central controller 21 measurement
Between to coal Quality Down, then central controller 21 reduces the power of the first blower fan 19 automatically, increases the work(of the second blower fan simultaneously
Rate 20.
By adjusting the power of blower fan 20, the hot-air quantity that can quickly meet entrance drying device 17 further reaches
Most preferably.
Preferably, central controller 21 is adjusted according to equation below, that is,：Unit interval enters drying device 17
The coal of the flow of hot-air × (entering the temperature-fiducial temperature of the hot-air of drying device 17)/unit interval feeder transmission
Quality=constant.
Preferably, the temperature entering the hot-air of drying device 17 is held essentially constant.
Preferably, the temperature maximum of hot-air of entrance drying device 17 and minimum difference are less than 1 degree Celsius.
Preferably, it is basic to ensure the temperature of the hot-air entering drying device 17 by way of setting auxiliary heating
Keep constant.
Preferably, the determination of constant size is according to the normally operating " heat of unit interval entrance drying device 17
The coal of the flow of air × (entering the temperature-fiducial temperature of the hot-air of drying device 17)/unit interval feeder transmission
Quality " is determining.
Preferably, the temperature of the described hot-air entering drying device 17 keeps constant.
The quality of the coal of unit interval feeder transmission is measured by weight sensor 1-3.
Preferably, constant can also preset in the central controller according to former operation or according to experiment.
Preferably, fiducial temperature is 30-40 degree Celsius, preferably 35 degrees Celsius.
In operation, when the unit interval (for example per minute) of measurement being the first mass to ature of coal amount, blower fan 19 is with first
Power is blown；When the unit interval of measurement having risen to second mass bigger than the first mass to ature of coal amount, for example excellent
When choosing rises 1 kg/min, blower fan 19 is blown with the second power higher than the first power；Unit interval when measurement
When having risen to three mass bigger than the second mass to ature of coal amount, blower fan 19 is sent with the 3rd power higher than the second power
Wind；When the unit interval of measurement having risen to four mass bigger than the 3rd mass to ature of coal amount, blower fan 19 is with higher than the 3rd
4th power of power is blown；Rise to fiveth mass bigger than the 4th mass when the unit interval of measurement to ature of coal amount
When, blower fan 19 is blown with the 5th power higher than the 4th power.
Preferably, the power sum of blower fan 19 and blower fan 20 keeps constant.
Preferably, the 5th mass is more than the 4th mass 0.8-1.5 kilogram, the 4th mass is more than the 3rd mass 0.8-1.5
Kilogram, the 3rd mass is more than the second mass 0.8-1.5 kilogram, and the second mass is more than the first mass 0.8-1.5 kilogram.Above-mentioned unit
Time is minute.
Preferably, the 5th mass is more than the 4th mass 1.5-1.3 kilogram, the 4th mass is more than the 3rd mass 1.3-1.1
Kilogram, the 3rd mass is more than the second mass 1.1-0.9 kilogram, and the second mass is more than the first mass 0.9-0.8 kilogram.Above-mentioned unit
Time is minute.
Preferably, the 5th power is 1.08-1.28 times of the 4th power, the 4th power is the 1.08- of the 3rd power
1.28 times, the 3rd power is 1.08-1.28 times of the second power, and the second power is 1.08-1.28 times of the first power.
Preferably, the 5th power is 1.28-1.23 times of the 4th power, the 4th power is the 1.23- of the 3rd power
1.19 times, the 3rd power is 1.19-1.12 times of the second power, and the second power is 1.12-1.08 times of the first power.
By the above-mentioned unit interval to ature of coal amount and the first power of fan change preferred, especially by differential
Power of fan and quality setting, drying efficiency can be improved further, time-consuming.It is found through experiments, it is possible to increase
12-14% about drying efficiency.
Preferably, conveyer belt 6 setting speed control unit, speed control unit and central controller 21 carry out data even
Connect, central controller 21 Negotiation speed control parts control the speed of conveyer belt 6.
Preferably, speed control unit includes speed detecting component, conveyer belt 6 data that speed detecting component will detect
It is sent to central controller 21, central controller 21 adjusts the power of conveyer belt 6 motor according to the data of detection.If detection
Speed be less than the calculated data of central controller 21, increase motor power, conversely, reduce motor power.Preferably
, the transfer rate of conveyer belt 6 is adjusted by the rotating speed of motor control transmission wheel 9.
Preferably, casing is cross section is trapezoidal cavity, entrance and exit arranges electrically operated gate, the opening of described electrically operated gate
Degree can be adjusted in above-below direction.The coal seam thickness of the coal according to input for the central controller 21 automatically adjusts opening of electrically operated gate
Degree, prevents that aperture is excessive to cause energy loss, has reached the purpose of energy saving.
Preferably, the thickness in coal seam is obtained by thickness detection apparatus automatic detection, described thickness detection apparatus with
Programmable automatic controller data cube computation, the thickness data in coal coal seam is sent to central controller 21 by thickness detector.Adopt
The major advantage taking thickness detection apparatus is automatically to obtain the thickness data in coal coal seam, it is to avoid manually enter thickness data
Complicated procedures, improve efficiency and the accuracy of drying.
Preferably, thickness detection apparatus are arranged near the entry position of drying device 17, for example, be arranged on drying device
At 17 entry positions, and/or on the support outside apart from the drying device 17 of the certain distance of drying device 17 entrance.Can also
By arranging the thickness detection apparatus of diverse location, repeatedly measurement thickness carrys out calculated thickness meansigma methodss.
Preferably, thickness detection apparatus include infrared transmitter and infrared remote receiver, and infrared transmitter transmitting infrared ray is surveyed
Amount sheet metal thickness, infrared remote receiver accepts the thickness data of infrared transmitter transmission, and thickness data is sent to central control
Device 21.
Preferably, infrared transmitter includes equidistant the first infrared emission unit placed of level, the second infrared emission unit
With the 3rd infrared emission unit；Infrared remote receiver includes equidistant the first infrared receiver placed of level, the second infrared receiver
Unit and the 3rd infrared receiver, the first infrared receiver, the second infrared receiver and the 3rd infrared receiver with
First infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit receive respectively the first infrared emission unit,
Second infrared emission unit and the infrared ray of the 3rd infrared emission unit transmitting.By arranging multiple infrared emission units and red
Outer receiving unit, can be by multiple measurement it is ensured that the accuracy of data.Simultaneously can also be in part infrared emission unit and red
When outer receiving unit is damaged, do not affect the measurement to sheet metal thickness.
Preferably, infrared emission unit is arranged on the support across transmission belt that entrance keeps at a certain distance away, red
Outer receiving unit is arranged on the entry position of drying device 17, the first infrared receiver, the second infrared receiver and
Three infrared receivers and the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit level pair respectively
Should.
Preferably, infrared receiving unit is arranged on the support across transmission belt that entrance keeps at a certain distance away, red
Emission unit is arranged on the entry position of drying device 17, the first infrared receiver, the second infrared receiver and
Three infrared receivers and the first infrared emission unit, the second infrared emission unit and the 3rd infrared emission unit level pair respectively
Should.
Preferably, the transfer rate of conveyer belt 6 is 0.6-0.8m/s.
Preferably, setting dry section 4 in casing, along conveyer belt 6 direction of transfer, the distribution of dry section 4 air mass flow
It is gradually lowered.So make coal being gradually lowered with moisture content, need the fewer and feweri of air, thus saving energy.
Preferably, along conveyer belt 6 direction of transfer, the range of decrease of the air mass flow of dry section 4 is gradually lowered.If will flow
Amount S is set to the function apart from x apart from dry section 4 entrance, and S=l (x), then in dry section 4, l ' (x) ＜ 0, l " (x) ＜ 0, its
Middle l ' (x), l " (x) is first order derivative and the second derivative of l (x) respectively.
It is shown experimentally that, by the change of above-mentioned air mass flow and the change of amplification, so that the drying of coal
Obtain optimal effect, but also being capable of energy saving.Compared with identical with air mass flow distribution, the dry of 15-20% can be improved
Dry effect, you can to save the energy of 15-20%.
Preferably, the change of the flow of air is such a way realizing.Wherein mode one is in conveyer belt 6 bottom
Setting header 24, as shown in figure 1, described header 24 top providing holes, conveys air by the hole in header 24 and coal is dried.
Preferably, in dry section 4, along conveyer belt 6 direction of transfer, the distribution density in described hole is less and less, as
Preferably, the amplitude that the distribution density in described hole diminishes is gradually lowered.Preferably, the density of maximum is the 1.2- of minimum density
1.3 again.
Variable density by above-mentioned hole, it is possible to achieve air mass flow is along the change of conveyer belt 6 direction of transfer.
Preferably, the change of air mass flow can also be realized by the change in aperture.Preferably, in dry section 4,
Along conveyer belt 6 direction of transfer, the aperture in described hole is less and less, preferably, the amplitude that the aperture in described hole diminishes is gradually
Reduce.Preferably, the aperture of maximum is 1.2-1.3 times of minimum aperture.
Preferably, described hole is circular hole.
Preferably, the change of air mass flow can be realized, as shown in Figure 2 by the change of the power of blower fan.
The air intake pipe setting house steward of described drying device 17, then arranges many isocons by house steward, passes through
Isocon delivers air to conveyer belt 6 bottom, arranges multiple isocons along conveyer belt 6 transporting direction, on each isocon
Setting one blower fan 13, as shown in fig. 6, by change blower fan power realize flow along conveyer belt 6 transporting direction point
Cloth.
Preferably, in dry section 4, along conveyer belt 6 direction of transfer, the power of described blower fan 13 is less and less, as
Preferably, the amplitude that the power of described blower fan 13 diminishes is gradually lowered.Preferably, the power of maximum is the 1.2- of minimum power
1.3 again.
Preferably, described temperature of inlet air sensor is arranged on air intake pipe house steward.
Preferably, described blower fan 13 and central controller 21 data cube computation, wind can be adjusted by central controller 21
The power of machine.
Admission line blower fan 19, described admission line blower fan 19 and central controller 21 are arranged on described admission line house steward
Data cube computation, central controller 21 is adjusted into the total hot-air in drying device 17 by adjusting the power of blower fan 19
Amount.
In practical work process, between the flow temperature of the speed of conveyer belt 6 and air, need an optimal pass
System, if the excessive velocities of conveyer belt 6, drying time is short, can affect dry mass, if the speed of conveyer belt 6 is excessively slow, does
The dry time is long, then may waste too many energy, reduces efficiency, in the same manner, if air mass flow and temperature are too low, can affect to do
Drying quality, if flow and temperature are too high, can lead to waste too many energy.Therefore by substantial amounts of experiment, draw optimal
Air mass flow, the relation between air themperature and transfer rate.
The moisture content that described drying device 17 is capable of according to coal is dried automatically adjusts air mass flow and transmission
Carry 6 transfer rates.Control mode is as follows：Assume that the unit interval Coal Quality entering into conveyer belt 6 from breaker is Z, matter
When amount moisture content is H, the admission line air themperature entering drying device 17 is D1, air mass flow is L, leaves and dress is dried
The outlet air temperature putting 17 is D2, when the transfer rate of conveyer belt 6 is S, represents the drying effect meeting certain condition.
Above-mentioned unit interval Coal Quality Z, quality moisture content H, admission line air themperature D1, air mass flow L, outlet air temperature
D2, transfer rate S of conveyer belt 6 are referred to as standard quality, standard aqueous rate, standard admission line temperature, standard exit temperature, mark
Quasi- air mass flow, standard speed, i.e. normal data.Described normal data is stored in central controller 21.
Normal data represents the data of the drying effect meeting certain condition.Can be for example to meet certain being dried to imitate
Really, such as drying effect be coal moisture content be 0.04%, or when reaching certain drying effect, the energy of consuming is
Few.Certainly, when preferably condition is to reach certain drying effect, the minimum data of the energy of consuming is as normal data.
The temperature being adjusted by following formula and speed also substantially disclosure satisfy that the certain condition that normal data is reached
Drying effect.
When unit interval Coal Quality be z, quality moisture content be h when, enter drying equipment the flow l of air,
Admission line air themperature d1, outlet air temperature d2 meet following three kinds of different operational modes with conveyer belt 6 transfer rate s
One of：
First mode：Conveyer belt 6 transfer rate s keeps standard speed S constant, and the flow l change of air is as follows：
L* (d1-d2)=L* (D1-D2) * (h/H)a*(z/Z)b, wherein a, b are parameter, 1.09 ＜ a ＜ 1.15,1.08 ＜ b
＜ 1.16；Preferably, a=1.12, b=1.14；Preferably, a is gradually increased with the increase of h/H, b with z/Z increase gradually
Increase.
Second mode：L keeps normal flow L constant, and the transfer rate s change of conveyer belt 6 is as follows：
(S/s) * (d1-d2)=(D1-D2) * (h/H)c*(z/Z)d, wherein c, d are parameter, 1.08 ＜ c ＜ 1.15,1.18
＜ d ＜ 1.22；Preferably, c=1.1`, d=1.20；
3rd pattern：L and s is variable, and the relation of the transfer rate of air mass flow and conveyer belt 6 is as follows：
(S*l* (d1-d2))/(s*L* (D1-D2))=g* (h/H)e*(z/Z)f, wherein g, e, f are parameter, and g meets as follows
Formula：
(S*l* (d1-d2))/(s*L* (D1-D2)) ＞ 1,0.92 ＜ g ＜ 0.97；Preferably, g=0.95；
(S*l* (d1-d2))/(s*L* (D1-D2)) ＜ 1,1.03 ＜ g ＜ 1.06；Preferably, g=1.05；
(S*l* (d1-d2))/(s*L* (D1-D2))=1,0.97 ＜ g ＜ 1.03：Preferably, g=1；
Preferably, the 3rd pattern chooses ((1-l/L)2+(1-s/S)2) minimum one group of l and s of value；Can certainly select
Select first group and meet l and s requiring it is also possible to randomly choose one group from l and s meeting condition；
1.08 ＜ e ＜ 1.13,1.14 ＜ f ＜ 1.18；Preferably, e=1.10, f=1.16.
Wherein need to meet following condition in the formula of above-mentioned Three models：0.9 ＜ 1/L ＜ 1.1,0.9 ＜ s/S ＜
1.1.
Above-mentioned formula is the needs fully meeting coal actual drying through substantial amounts of actual verification.
In actual applications, store multigroup normal data in central controller 21, then central controller 21 is according to user
The data (the coal quantity of unit interval and coal moisture content) of input, is meeting 0.9 ＜ s/S ＜ 1.1,0.9 ＜ l/L ＜ 1.1
In the case of, automatically selecting suitable normal data as foundation.
Preferably, it is provided that the normal data that selects of user in the case of two groups or multigroup normal data occur
Interface, preferably, system can automatically select ((1-l/L)2+(1-s/S)2) minimum one of value.
Described Three models can only store a kind of in central controller 21 it is also possible to two kinds or three kinds of storage in
In the controller 21 of centre.
In formula above, d1, d2 are obtained by temperature sensor real-time detection, are obtained by temperature sensor 14,22；
And quality moisture content be h by way of detecting in advance and being manually entered, and Coal Quality can be surveyed by weight sensor for z
Amount.Now central controller 21 detects the transfer rate of conveyer belt 6.
Preferably, when air mass flow is adjusted, the power of fan of all of dry section 4 takes identical to increase
Width or the range of decrease, for example, all increase by 10% simultaneously.
Preferably, when air mass flow is adjusted, all of dry section 4 power of fan takes different amplification
Or the range of decrease, with the direction of transfer of conveyer belt 6, the amplitude that the power of fan of dry section 4 increases or decreases is gradually lowered, example
As, along the direction of transfer of conveyer belt 6, power of fan above increases by 15%, increase by 12% successively below, and 11%, etc..
In formula above, air mass flow is the air total flow entering drying equipment.Preferably, described flow inspection
Survey device 23 to be arranged on admission line house steward.
The invention also discloses a kind of method realizing drying equipment intelligent operation, comprise the steps：
1) one group or multigroup normal data are stored first in central controller 21：Unit interval Coal Quality is Z, matter
Amount moisture content is H, admission line air themperature D1, air mass flow are L, outlet air temperature D2, transfer rate S of conveyer belt 6；
2) input coal unit mass and water content in operation interface；Certainly, unit interval Coal Quality can be passed through
Central controller 21 automatic detection；
3) unit mass of the coal according to input for the central controller 21 and water content, user selects execution or automatically holds
A kind of one of row (in the case of for example only having operational mode) three below pattern：
First mode：Conveyer belt 6 transfer rate s keeps standard speed S constant, and the flow l change of air is as follows：
L* (d1-d2)=L* (D1-D2) * (h/H)a*(z/Z)b, wherein a, b are parameter, 1.09 ＜ a ＜ 1.15,1.08 ＜ b
＜ 1.16；Preferably, a=1.12, b=1.14；
Second mode：L keeps normal flow L constant, and the transfer rate s change of conveyer belt 6 is as follows：
(S/s) * (d1-d2)=(D1-D2) * (h/H)c*(z/Z)d, wherein c, d are parameter, 1.08 ＜ c ＜ 1.15,1.18
＜ d ＜ 1.22；Preferably, c=1.1`, d=1.20
3rd pattern：L and s is variable, and the relation of the transfer rate of air mass flow and conveyer belt 6 is as follows：
(S*l* (d1-d2))/(s*L* (D1-D2))=g* (h/H)e*(z/Z)l, wherein g, e, l are parameter, and g meets as follows
Formula：
(S*l* (d1-d2))/(s*L* (D1-D2)) ＞ 1,0.92 ＜ g ＜ 0.97；Preferably, g=0.95；
(S*l* (d1-d2))/(s*L* (D1-D2)) ＜ 1,1.03 ＜ g ＜ 1.06；Preferably, g=1.05；
(S*l* (d1-d2))/(s*L* (D1-D2))=1,0.97 ＜ g ＜ 1.03；Preferably, g=1；
Preferably, the 3rd pattern chooses ((1-l/L)2+(l-s/S)2) minimum one group of l and s of value；Can certainly select
Select first group and meet l and s requiring it is also possible to select one group from l and s meeting condition immediately；
1.08 ＜ e ＜ 1.13,1.14 ＜ l ＜ 1.18；Preferably, e=1.10,1=1.16.
Wherein need to meet following condition in the formula of above-mentioned Three models：0.9 ＜ 1/L ＜ 1.1,0.9 ＜ s/S ＜
1.1.
4) drying device 17 proceeds by drying operation.
Preferably, step 1) the multigroup normal data of middle input；
Preferably, in the case of two groups or multigroup normal data, user can be selected by user interface
Normal data.
In actual applications, store multigroup normal data in central controller 21, then central controller 21 is according to user
The data (unit interval Coal Quality and coal moisture content) of input, is meeting 0.9 ＜ s/S ＜, 1.1,0.9 ＜ l/L ＜ 1.1 feelings
Under condition, automatically selecting suitable normal data as foundation.
Preferably, it is provided that the normal data that selects of user in the case of two groups or multigroup normal data occur
Interface, preferably, system can automatically select ((1-l/L)2+(1-s/S)2) minimum one of value.
Preferably, entering heat utilization device 18 from drying device 17 hot-air out, thus carrying out UTILIZATION OF VESIDUAL HEAT IN.Enter
Preferably, described heat utilization device 18 is boiler to one step, and it is combustion-supporting to carry out that described hot-air is directly entered boiler.
Preferably, described heat utilization device 18 is hot water storage tank.
Preferably, heat utilization device 18 air direct circulation out enters in heat collector 15 and is heated.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should
When being defined by claim limited range.
Although the present invention is disclosed as above with preferred embodiment, the present invention is not limited to this.Any art technology
Personnel, without departing from the spirit and scope of the present invention, all can make various changes or modifications, and therefore protection scope of the present invention should
When being defined by claim limited range.
Claims (10)
1. a kind of hot-air drying system, described drying system includes feeder, breaker and drying device, described feeder
Including coal breakage nozzle, load-bearing carrying roller, weight sensor, roller and motor, belt, motor driving rolls simultaneously drives
Belt rotates, and described load-bearing carrying roller is arranged on the bottom of belt and tightly holds in the palm belt, and described weight sensor is arranged on load-bearing support
Roller bottom, passes through the quality of the coal of belt-conveying for cooling water of units of measurement time；Described weight sensor and central controller number
According to connection；
Described drying device includes casing, temperature sensor, flow sensor and conveyer belt, and described conveyer belt passes through casing, temperature
Degree sensor includes inlet temperature sensor, and measurement enters the hot air temperature of drying device, and described flow sensor is used for surveying
Amount enter drying device air velocity, thus calculate enter drying device air mass flow, inlet temperature sensor and
Flow sensor and central controller carry out data cube computation, and hot-air is entered by admission line under the guiding of blower fan and dress is dried
Put, coal is dried；Described blower fan and central controller carry out data cube computation；
Central controller according to measurement unit interval to ature of coal amount come the power of adjust automatically blower fan, thus being adjusted into doing
The hot air flowrate of dry device.
If drying system as claimed in claim 1 it is characterised in that central controller measurement unit interval to coal
Quality rises, then central controller increases the power of blower fan automatically.If central controller measurement unit interval to ature of coal
Amount declines, then central controller reduces the power of blower fan automatically.
3. it is characterised in that including solar thermal collector, described air passes through air inducing to drying system as claimed in claim 2
Machine enters solar thermal collector, and the heat in solar thermal collector absorption solar thermal collector, forms hot-air, and described heat is empty
Gas enters drying device under the guiding of blower fan, and coal is dried；A hot-air part for solar thermal collector heating is logical
Cross main channel and enter drying device, a part enters heat utilization device, solar thermal collector and drying device by bypass channel
First blower fan is arranged on connected main channel, solar thermal collector is connected with heat utilization device on bypass channel and arranges the second wind
Machine, changes, by the change of the first blower fan, the power of the second blower fan, the hot air flowrate entering drying device and heat utilization device.
4. drying system as claimed in claim 3, if central controller measurement unit interval to ature of coal amount rise,
Central controller increases the power of the first blower fan automatically, reduces the power of the second blower fan simultaneously；If central controller measurement
Unit interval to coal Quality Down, then central controller reduces the power of the first blower fan automatically, increases by the second blower fan simultaneously
Power.
5. drying system as claimed in claim 4, central controller is adjusted according to equation below, that is,：Unit interval enters
Flow × (entering the temperature-fiducial temperature of the hot-air of the drying device)/unit interval entering the hot-air of drying device is to coal
Quality=the constant of the coal of machine transmission.
6. drying system as claimed in claim 5, constant presets in the central controller.
7. drying system as claimed in claim 5, fiducial temperature is 30-40 degree Celsius.
8. drying system as claimed in claim 2, when the unit interval of measurement being the first mass to ature of coal amount, blower fan is with the
One power is blown；When the unit interval of measurement having risen to second mass bigger than the first mass to ature of coal amount, blower fan
Blown with the second power higher than the first power；When measurement unit interval risen to ature of coal amount bigger than the second mass
Three mass when, blower fan is blown with the 3rd power higher than the second power；When the unit interval of measurement is in ature of coal amount
When being raised to four mass bigger than the 3rd mass, blower fan is blown with the 4th power higher than the 3rd power；When measurement
When unit interval has risen to five mass bigger than the 4th mass to ature of coal amount, blower fan is with the 5th power higher than the 4th power
Blown.
9. drying system as claimed in claim 8, the 5th mass is more than the 4th mass 1.5-1.3 kilogram, and the 4th mass is more than
3rd mass 1.3-1.1 kilogram, the 3rd mass is more than the second mass 1.1-0.9 kilogram, and the second mass is more than the 5th mass 0.9-
0.8 kilogram.
10. solar energy coal drying system as claimed in claim 1 or 2 it is characterised in that：Described drying device includes case
Body, conveyer belt, described conveyer belt passes through casing, and described hot-air enters drying device from the bottom of drying device, then passes through
Transmission brings the coal that conveyer belt on conveying is dried, and finally discharges from the outlet of drying device, thus completing the drying to coal；
The air intake pipe of described drying device includes house steward, and described house steward connects many isocons, by isocon by sky
Gas is transported to conveyer belt bottom, arranges multiple isocons along conveyer belt transporting direction, and each isocon arranges a blower fan,
Along conveyer belt direction of transfer, the power of described blower fan is less and less, and the amplitude that the power of described blower fan diminishes is gradually lowered.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166948A (en) * | 2017-07-05 | 2017-09-15 | 安徽金锡机械科技有限公司 | The grain dry laminar flow amount and the control method of heating load of crop dryer |
| CN107549852A (en) * | 2017-10-20 | 2018-01-09 | 河南科技大学 | A kind of fresh walnut drying unit and its furnace drying method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005023503A1 (en) * | 2003-09-02 | 2005-03-17 | Ngk Insulators, Ltd. | Method and apparatus for drying honeycomb formed article |
| EP1516544A1 (en) * | 2003-09-19 | 2005-03-23 | Hauni Maschinenbau AG | Drying plant for tobacco and method for drying tobacco |
| CN101191058A (en) * | 2007-11-20 | 2008-06-04 | 济南钢铁股份有限公司 | Automatic control method for air current classifying and conditioning technique of coal |
| CN202470720U (en) * | 2012-03-15 | 2012-10-03 | 唐山天和科技开发有限公司 | Tail cleaned coal drying detection device |
| CN203857752U (en) * | 2014-04-28 | 2014-10-01 | 潍坊富顺节能科技有限公司 | Fully-solar dryer |
| CN204535320U (en) * | 2015-04-03 | 2015-08-05 | 吴端铁 | A kind of solar energy heating dryer |
| CN204911716U (en) * | 2015-07-10 | 2015-12-30 | 黄河科技学院 | Broken sieve separator in colliery |
| CN105241182A (en) * | 2015-10-22 | 2016-01-13 | 中国矿业大学 | Brown coal drying system and method |
| CN105864811A (en) * | 2016-04-07 | 2016-08-17 | 山东中科洁能科技有限公司 | Pulverized coal milling device and method |
-
2016
- 2016-09-28 CN CN201610859947.7A patent/CN106403501B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005023503A1 (en) * | 2003-09-02 | 2005-03-17 | Ngk Insulators, Ltd. | Method and apparatus for drying honeycomb formed article |
| EP1516544A1 (en) * | 2003-09-19 | 2005-03-23 | Hauni Maschinenbau AG | Drying plant for tobacco and method for drying tobacco |
| CN101191058A (en) * | 2007-11-20 | 2008-06-04 | 济南钢铁股份有限公司 | Automatic control method for air current classifying and conditioning technique of coal |
| CN202470720U (en) * | 2012-03-15 | 2012-10-03 | 唐山天和科技开发有限公司 | Tail cleaned coal drying detection device |
| CN203857752U (en) * | 2014-04-28 | 2014-10-01 | 潍坊富顺节能科技有限公司 | Fully-solar dryer |
| CN204535320U (en) * | 2015-04-03 | 2015-08-05 | 吴端铁 | A kind of solar energy heating dryer |
| CN204911716U (en) * | 2015-07-10 | 2015-12-30 | 黄河科技学院 | Broken sieve separator in colliery |
| CN105241182A (en) * | 2015-10-22 | 2016-01-13 | 中国矿业大学 | Brown coal drying system and method |
| CN105864811A (en) * | 2016-04-07 | 2016-08-17 | 山东中科洁能科技有限公司 | Pulverized coal milling device and method |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107166948A (en) * | 2017-07-05 | 2017-09-15 | 安徽金锡机械科技有限公司 | The grain dry laminar flow amount and the control method of heating load of crop dryer |
| CN107549852A (en) * | 2017-10-20 | 2018-01-09 | 河南科技大学 | A kind of fresh walnut drying unit and its furnace drying method |
| CN107549852B (en) * | 2017-10-20 | 2019-12-20 | 河南科技大学 | Fresh walnut drying device and drying method thereof |
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Effective date of registration: 20201117 Address after: 253000 north side of tenglu street, Luquantun Town, Wucheng County, Dezhou City, Shandong Province Patentee after: Dezhou Longda air conditioning equipment Co.,Ltd. Address before: 266000 Shandong province Qingdao City, Zhengzhou Road No. 53 Patentee before: Qingdao University Of Science And Technology |