CN107270695A - A kind of automation throttling drying unit dried for pigment and its method of work - Google Patents
A kind of automation throttling drying unit dried for pigment and its method of work Download PDFInfo
- Publication number
- CN107270695A CN107270695A CN201710691112.XA CN201710691112A CN107270695A CN 107270695 A CN107270695 A CN 107270695A CN 201710691112 A CN201710691112 A CN 201710691112A CN 107270695 A CN107270695 A CN 107270695A
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- Prior art keywords
- pigment
- processor
- air feed
- humidity
- hot blast
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Classifications
-
- 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
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- 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
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- 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
- F26B21/08—Humidity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/22—Controlling the drying process in dependence on liquid content of solid materials or objects
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The invention discloses a kind of automation throttling drying unit dried for pigment, occurs room including hot blast, conveyer belt and drying chamber, hot blast occurs room and separated with drying chamber by baffle plate, room, which occurs, for hot blast includes processor, drive device, heater, blower fan, warm-air pipe and air feed groove, drive device is connected with processor, heater is connected with drive device, occurs indoor gas for heating hot blast, blower fan is connected with drive device, blowed for hot blast to that the gas of room occurs to drying chamber, warm-air pipe is passed from baffle plate, air feed groove is cylindrical shape and connected with warm-air pipe, air feed groove is provided with some air feed pipes arranged in arrays, air feed pipe is connected with air feed groove, humidity sensor is provided with air feed pipe, electric control valve and valve positioner, humidity sensor is connected with processor, humidity value for detecting the pigment that lower section passes through, electric control valve is connected with valve positioner, valve positioner is connected with processor, air output for adjusting electric control valve.
Description
Technical field
The present invention relates to pigment drying field, more particularly to a kind of automation throttling drying unit dried for pigment and
Its method of work.
Background technology
Pigment is exactly the material that object can be made to catch color.Pigment has soluble and insolubility, has inorganic and has
The difference of machine.Inorganic pigment is usually mineral matter material, and the mankind are known that very early uses inorganic pigment, utilizes coloured Tu Hekuang
Stone, draws a picture and smears body on palisades.Organic pigment is typically derived from plant and marine organisms, such as alizarin blue, gamboge and ancient Roman
The purple refined from shellfish.Some pigment into powdered or bulk, powdered pigment before being packed often all
Drying and processing is needed, its quality preserved is so just can guarantee that, traditional drying technology is propagandized hotly, but is so difficult to control it
The temperature of drying, existing technology also has is dried using roller, and so powdered pigment can be continuous in roller
Kick up, the powder kicked up is in contact with hot blast, and drying efficiency has been lifted, but it also has many deficiencies：Energy consumption is relatively
Height, the rotation of roller and the generation energy consumption of hot blast are all of a relatively high；It is difficult to realize continuous production, typically a tank or a face
Lower batch materials could be carried out after material drying to bake, and are fed and are discharged discontinuous；Pollution is larger, and the powder part kicked up can be with heat
It is distinguished and admirable go out, the dust pollution of production environment is larger, it usually needs addition dust pelletizing system, production cost increase.
The content of the invention
Goal of the invention：In order to overcome the shortcoming in background technology, it is used for pigment drying the embodiments of the invention provide one kind
Automation throttling drying unit and its method of work, can effectively solve the problem that the problem of being related in above-mentioned background technology.
Technical scheme：It is a kind of for pigment dry automation throttling drying unit, including hot blast occur room, conveyer belt with
And drying chamber, the hot blast generation room is positioned at drying chamber side, and the conveyer belt is located at below the drying chamber, the heat
Wind occurs room and separated with drying chamber by baffle plate, and room, which occurs, for the hot blast includes processor, drive device, heater, blower fan, heat
Airduct and air feed groove, the drive device are connected with the processor, and the heater is connected with the drive device, is used for
Heat the hot blast and occur indoor gas, the blower fan is connected with the drive device, for the hot blast into room to occur
Gas is blowed to drying chamber, and the warm-air pipe is passed from the baffle plate, and its one end is located at the hot blast and occurs interior, another
End is located in the drying chamber, and the air feed groove is cylindrical shape and connected with the warm-air pipe that the air feed groove is provided with
Some air feed pipes arranged in arrays, the air feed pipe is provided with humidity with being connected inside the air feed groove on the air feed pipe
Sensor, electric control valve and valve positioner, the humidity sensor are connected with the processor, for detecting that lower section passes through
Pigment humidity value and send it to the processor, the electric control valve is connected with the valve positioner, the valve
Door controller is connected with the processor, the air output for adjusting the electric control valve.
As a kind of preferred embodiment of the present invention, the drying unit also includes pigment detection means, the pigment detection
Device is connected with the processor, for detecting the composition of pigment to be dried and sending it to the processor.
As a kind of preferred embodiment of the present invention, room, which occurs, for the hot blast also includes heating controller, the computer heating control
Device is connected with the processor, the power output for adjusting the heater.
As a kind of preferred embodiment of the present invention, electronic nozzle, the electronic spray are provided with the outlet of the air feed pipe
Mouth is connected with the drive device.
As the present invention a kind of preferred embodiment, the conveyer belt also include arrangements for speed regulation, the arrangements for speed regulation with it is described
Processor is connected, the speed for adjusting the conveyer belt.
It is used as a kind of preferred embodiment of the present invention, including following job step：
A) pigment to be dried is placed on the conveyer belt, the pigment is delivered to the drying chamber by the conveyer belt；
B) processor is to drive device output drying signal, and the drive device drives the heater and described
Blower fan starts；
C) humidity sensor detects the humidity value of vertical lower section and sends it to the processor；
D) processor is defeated to the corresponding valve positioner of humidity sensor for providing the humidity value according to the humidity value
Go out control signal；
E) valve positioner adjusts the aperture of corresponding electric control valve according to the control signal.
As a kind of preferred embodiment of the present invention, step a also includes：
The pigment detection means detects the composition of pigment to be dried and sends it to the processor；
The processor is according to the composition to the heating controller output adjustment signal, and the heating controller adjustment is described
The power output of heater.
As a kind of preferred embodiment of the present invention, step d also includes：
Processor judges whether the humidity value received is interval in the first humidity, if then to the humidity sensor with providing humidity value
The corresponding valve positioner of device exports the first control signal, if otherwise judging whether the humidity value received is in the second humidity province
Between, if then to humidity sensor the second control signal of corresponding valve positioner output with providing humidity value.
As a kind of preferred embodiment of the present invention, valve positioner is according to the first control signal by corresponding electrically-controlled valve
The aperture regulation of door is the first aperture, is opened the aperture regulation of corresponding electric control valve for second according to the second control signal
Degree, wherein the ventilation of the first aperture is more than the ventilation of the second aperture.
As a kind of preferred embodiment of the present invention, step e also includes：
Whether the processor judges the humidity value received less than default humidity value；
If so, then exporting shutdown signal to the corresponding valve positioner of the humidity sensor for providing the humidity value；
The aperture regulation of corresponding electric control valve is zero according to shutdown signal by the valve positioner.
The present invention realizes following beneficial effect：After heater work, blower fan transfers heat to drying chamber, is first passed by humidity
Sensor senses the humidity value of clothing, then from processor to valve positioner output control signal, last valve positioner is according to control
Signal Regulation electric control valve aperture processed, the pigment drying of each electric control valve control corresponding region, by controlling each electrically-controlled valve
The aperture of door is realized to shunt pigment and heated, and the energy is effectively utilized.
Brief description of the drawings
Accompanying drawing herein is merged in specification and constitutes the part of this specification, shows the implementation for meeting the disclosure
Example, and be used in specification to explain the principle of the disclosure together.
A kind of automation throttling drying unit structural representation dried for pigment that Fig. 1 provides for the present invention；
The air feed slot structure schematic diagram that Fig. 2 provides for the present invention；
A kind of flow chart of work methods for automation throttling drying unit dried for pigment that Fig. 3 provides for the present invention；
The electric control valve aperture regulation method flow diagram that Fig. 4 provides for the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.
Embodiment one
As shown in figure 1, it is a kind of for pigment dry automation throttling drying unit, including hot blast occur room 1, conveyer belt 2 with
And drying chamber 3, the hot blast generation room 1 is positioned at the side of drying chamber 3, and the conveyer belt 2 is located at the lower section of drying chamber 3,
The hot blast occurs room 1 and separated with drying chamber 3 by baffle plate 4, and room 1, which occurs, for the hot blast includes processor 5, drive device 6, adds
Hot device 7, blower fan 8, warm-air pipe 9 and air feed groove 10, the drive device 6 are connected with the processor 5, the heater 7 with
The drive device 6 is connected, and for heating the gas in the hot blast generation room 1, the blower fan 8 connects with the drive device 6
Connect, blowed for the hot blast to that the gas of room 1 occurs to drying chamber 3, the warm-air pipe 9 is passed from the baffle plate 4, its
One end be located at the hot blast occur room 1 in, the other end be located at the drying chamber 3 in, the air feed groove 10 be cylindrical shape and
Connected with the warm-air pipe 9, the air feed groove 10 is provided with some air feed pipes 11 arranged in arrays, the air feed pipe 11 and institute
State the inside of air feed groove 10 to connect, humidity sensor 12, electric control valve 13 and valve positioner are provided with the air feed pipe 11
14, the humidity sensor 12 is connected with the processor 5, for detecting the humidity value for the pigment that lower section passes through and being sent to
To the processor 5, the electric control valve 13 is connected with the valve positioner 14, the valve positioner 14 and the processing
Device 5 is connected, the air output for adjusting the electric control valve 13.
The drying unit also includes pigment detection means 15, and the pigment detection means 15 is connected with the processor 5,
For detecting the composition of pigment to be dried and sending it to the processor 5.
Room 1, which occurs, for the hot blast also includes heating controller 16, and the heating controller 16 is connected with the processor 5,
Power output for adjusting the heater 7.
Electronic nozzle 17 is provided with the outlet of the air feed pipe 11, the electronic nozzle 17 connects with the drive device 6
Connect.
The conveyer belt 2 also includes arrangements for speed regulation 18, and the arrangements for speed regulation 18 are connected with the processor 5, for adjusting
The speed of the conveyer belt 2.
Specifically, the conveyer belt 2 is set on the ground, is connected with the drive device 6, the face to be dried for placing
Material, the conveyer belt 2 is provided with pre-set velocity, if the amount of pigment to be dried is excessive or humidity is larger, then may pass through
Drying is not thorough after the manufacturing procedure that the present invention is provided, if slow down it is described transmit the transfer rate treated, then in unit distance by
Heat is bigger, and maximal humidity value is set in the processor 5, if the humidity value that the processor 5 is received is more than or equal to institute
Maximal humidity value is stated, if so, then needing to adjust the transfer rate of the transmission belt.For example, the humidity sensor 12 at rear is detected
The humidity value of lower section pigment simultaneously sends it to the processor 5, and the processor 5 judges whether it is big according to the humidity value
In equal to the maximal humidity value, if so, then exporting signal to reduce the speed to the arrangements for speed regulation 18, the arrangements for speed regulation 18 adjust institute
The transfer rate for stating conveyer belt 2 is 1/2nd of pre-set velocity.
The drying chamber 3 is located at the top of conveyer belt 2, and the conveyer belt 2 is wrapped up, one closing of formation
Space, during the pigment is dried, prevents it from being influenceed by extraneous factor, the side of drying chamber 3 is provided with hot blast
Generation room 1, the hot blast occurs to be provided with processor 5, drive device 6, heater 7, blower fan 8, warm-air pipe 9, air feed groove in room 1
10 and heating controller 16, wherein, processor 5, drive device 6, heating controller 16 are isolated in a closed space,
Prevent it from being influenceed service behaviour by high temperature, the heater 7, blower fan 8 and warm-air pipe 9, which are located at the hot blast, to be occurred in room 1
Portion, the warm-air pipe 9 connects the hot blast and occurs room 1 and the drying chamber 3, and its one end occurs in room 1 in the hot blast, another
End is in the drying chamber 3, and the output end of the heater 7 is against the warm-air pipe 9, and the blower fan 8 is located at the heater 7
Rear, the gas that the heater 7 is heated blows to the warm-air pipe 9, and the warm-air pipe 9 is connected with the air feed groove 10,
Heat enters the air feed groove 10 through the warm-air pipe 9.As shown in Fig. 2 the air feed groove 10 include some air feed pipes 11 and
It is arranged on humidity sensor 12, electric control valve 13 and valve positioner 14 on the air feed pipe 11, the processor 5, institute
State humidity sensor 12, the electric control valve 13 and the valve positioner 14 and set up man-to-man relation, i.e., described humidity
The humidity value of measurement is sent to the processor 5 by sensor 12, and the processor 5 is according to the humidity value to the valve control
The output control signal of device 14 processed, the valve positioner 14 adjusts the aperture of the electric control valve 13 according to the control signal.
Different pigment have different chemical property, therefore have different requirements for the output temperature of drying unit.It is described
The input of conveyer belt 2 is additionally provided with pigment detection means 15, and the pigment detection means 15 can detect the face that lower section passes through
The composition of material, and the composition is sent into the processor 5, the processor 5 is according to the composition to the computer heating control
The output adjustment signal of device 16, the heating controller 16 according to when the adjustment signal adjust the power output of the heater 7.
Embodiment two
As shown in figure 3, a kind of method of work for the automation throttling drying unit dried for pigment, including following job step
Suddenly：
A) pigment to be dried is placed on the conveyer belt 2, the pigment is delivered to the drying chamber 3 by the conveyer belt 2；
B) processor 5 to the drive device 6 output drying signal, the drive device 6 drive the heater 7 and
The blower fan 8 starts；
C) humidity sensor 12 detects the humidity value of vertical lower section and sends it to the processor 5；
D) processor 5 according to the humidity value to the corresponding valve positioner of humidity sensor 12 for providing the humidity value
14 output control signals；
E) valve positioner 14 adjusts the aperture of corresponding electric control valve 13 according to the control signal.
Step a also includes：
The pigment detection means 15 detects the composition of pigment to be dried and sends it to the processor 5；
The processor 5 is according to the composition to the output adjustment signal of heating controller 16, and the heating controller 16 is adjusted
The power output of the whole heater 7.
Specifically, the pigment for needing to dry is placed on the conveyer belt 2 by user, and the processor 5 is to the driving
The output transmission signal of device 6, the drive device 6 drives the conveyer belt 2 to open, and the conveyer belt 2 delivers to the pigment
The drying chamber 3, the processor 5 drives the heating to the drive device 6 output drying signal, the drive device 6
Device 7 and the blower fan 8 start, after startup, and heat is sent to the air feed groove 10, institute by the blower fan 8 in the form of wind energy
State after the unlatching of electric control valve 13, heat is overflowed from the electric control valve 13, acts on the pigment, and the pigment is dried,
It is provided with the air feed groove 10 in some air feed pipes 11, the outlet of the air feed pipe 11 and is provided with an electronic nozzle 17, institute
State electronic nozzle 17 to be connected with the drive device 6, the electronic nozzle 17 is air nozzle, the attached wall of the air nozzle is imitated
The pressure of compressed air stream should can be increased to 25 times or more with micro- directionality effect, the heat of output can be significantly increased, carries
High drying efficiency.The humidity sensor 12 detects the humidity value of vertical lower section and sends it to the processor 5, the place
Device 5 is managed according to the humidity value to the corresponding output control of valve positioner 14 of the humidity sensor 12 for providing the humidity value to be believed
Number, the valve positioner 14 adjusts the aperture of corresponding electric control valve 13 according to the control signal, if the humidity of pigment
Value is higher, then needs larger opening；If the humidity value of pigment is relatively low, then the purpose for saving the energy can be reached compared with small guide vane.
Embodiment three
As shown in figure 4, step d also includes：
Processor 5 judges whether the humidity value received is interval in the first humidity, if then being passed to the humidity with providing humidity value
The corresponding valve positioner 14 of sensor 12 exports the first control signal, if otherwise judging, whether the humidity value received is wet in second
Degree is interval, if then to second control signal of the corresponding output of valve positioner 14 of humidity sensor 12 with providing humidity value.
Valve positioner 14 opens the aperture regulation of corresponding electric control valve 13 for first according to the first control signal
Degree, by the aperture regulation of corresponding electric control valve 13 is the second aperture according to the second control signal, wherein the first aperture
Ventilation is more than the ventilation of the second aperture.
Step e also includes：
Whether the processor 5 judges the humidity value received less than default humidity value；
If so, then exporting shutdown signal to the corresponding valve positioner 14 of the humidity sensor 12 for providing the humidity value；
The aperture regulation of corresponding electric control valve 13 is zero according to shutdown signal by the valve positioner 14.
Specifically, the first humidity of setting interval is [50,30）, the first aperture is set as 50.If the humidity sensor 12
The humidity value is then sent to the processor 5 by the pigment passed through below detecting in first humidity is interval, described
Processor 5 is according to the humidity value to the output control signal of valve positioner 14.For example, the processor 5 receive it is described
When the humidity value that humidity sensor 12 is transmitted is 50, the processor 5 exports the first control signal to the valve positioner 14
The aperture regulation of corresponding electric control valve 13 is first according to the first control signal A by A, the valve positioner 14
Aperture.
It is [30,10 to set the second humidity interval）, the second aperture is set as 30.If the processor 5 judges the humidity
The humidity value that sensor 12 is detected when first humidity is interval, does not then judge whether the humidity value received is in the second humidity
Interval, if so, then exporting the second control signal to the valve positioner 14.Passed for example, the processor 5 receives the humidity
When the humidity value that sensor 12 is sent is 30, the processor 5 is described to the valve positioner 14 the second control signal of output B
Valve positioner 14 is according to the second control signal B, and the valve positioner 14 will be with it according to the second control signal B
The aperture regulation of corresponding electric control valve 13 is the second aperture.Wherein the ventilation of the first aperture is more than the ventilation of the second aperture
Amount.
Default humidity value is set as 10, if the processor 5 judges the humidity value for 10, judges that the humidity value is small
In equal to the default humidity value, then shutdown signal is exported to the valve positioner 14, now the aperture of electric control valve 13 is
0.In actual use, after certain a part of pigment is oven-dried, the corresponding aperture of electric control valve 13 in its region is 0,
Heat can not flow out from the electric control valve 13, cause gas pressure intensity in air feed groove 10 to increase so that other gas of electric control valve 13
Body flow increase love, can accelerate lower section pigment drying, improve drying efficiency.
The those skilled in the art can understand present disclosure and implement according to this, and this can not be limited with this
The protection domain of invention.All equivalent changes or modificationss according to made by spirit of the invention, should all cover the present invention's
Within protection domain.
Claims (10)
1. room occurs for a kind of automation throttling drying unit dried for pigment, including hot blast（1）, conveyer belt（2）And dry
Dry chamber（3）, it is characterised in that room occurs for the hot blast（1）Positioned at the drying chamber（3）Sideways, the conveyer belt（2）Positioned at institute
State drying chamber（3）Room occurs for lower section, the hot blast（1）With drying chamber（3）Pass through baffle plate（4）Separate, room occurs for the hot blast（1）
Including processor（5）, drive device（6）, heater（7）, blower fan（8）, warm-air pipe（9）And air feed groove（10）, the driving
Device（6）With the processor（5）Connection, the heater（7）With the drive device（6）Connection, for heating the heat
Room occurs for wind（1）Interior gas, the blower fan（8）With the drive device（6）Connection, for the hot blast into room to occur（1）
Gas blow to drying chamber（3）It is interior, the warm-air pipe（9）From the baffle plate（4）In pass, its one end positioned at the hot blast send out
Raw room（1）Interior, the other end is located at the drying chamber（3）It is interior, the air feed groove（10）For cylindrical shape and with the warm-air pipe
（9）Connection, the air feed groove（10）It is provided with some air feed pipes arranged in arrays（11）, the air feed pipe（11）Supplied with described
Wind groove（10）Inside connection, the air feed pipe（11）On be provided with humidity sensor（12）, electric control valve（13）And valve control
Device processed（14）, the humidity sensor（12）With the processor（5）Connection, the humidity value for detecting the pigment that lower section passes through
And send it to the processor（5）, the electric control valve（13）With the valve positioner（14）Connection, the valve control
Device processed（14）With the processor（5）Connection, for adjusting the electric control valve（13）Air output.
2. a kind of automation throttling drying unit dried for pigment according to claim 1, it is characterised in that：It is described
Drying unit also includes pigment detection means（15）, the pigment detection means（15）With the processor（5）Connection, for examining
Survey the composition of pigment to be dried and send it to the processor（5）.
3. a kind of automation throttling drying unit dried for pigment according to claim 1, it is characterised in that：It is described
Room occurs for hot blast（1）Also include heating controller（16）, the heating controller（16）With the processor（5）Connection, is used for
Adjust the heater（7）Power output.
4. a kind of automation throttling drying unit dried for pigment according to claim 1, it is characterised in that：It is described
Air feed pipe（11）Outlet on be provided with electronic nozzle（17）, the electronic nozzle（17）With the drive device（6）Connection.
5. a kind of automation throttling drying unit dried for pigment according to claim 1, it is characterised in that：It is described
Conveyer belt（2）Also include arrangements for speed regulation（18）, the arrangements for speed regulation（18）With the processor（5）Connection, it is described for adjusting
Conveyer belt（2）Speed.
6. a kind of work side of automation throttling drying unit dried for pigment according to claim any one of 1-5
Method, it is characterised in that：Including following job step：
A) pigment to be dried is placed on the conveyer belt（2）On, the conveyer belt（2）The pigment is delivered into the drying
Room（3）；
B) processor（5）To the drive device（6）Output drying signal, the drive device（6）The driving heating
Device（7）And the blower fan（8）Start；
C) humidity sensor（12）The humidity value of the vertical lower section of detection simultaneously sends it to the processor（5）；
D) processor（5）According to the humidity value to the humidity sensor for providing the humidity value（12）Corresponding valve control
Device processed（14）Output control signal；
E) valve positioner（14）Corresponding electric control valve is adjusted according to the control signal（13）Aperture.
7. requiring a kind of method of work of automation throttling drying unit dried for pigment described in 6 as requested, it is special
Levy and be：Step a also includes：
The pigment detection means（15）Detect the composition of pigment to be dried and send it to the processor（5）；
The processor（5）According to the composition to the heating controller（16）Output adjustment signal, the heating controller
（16）Adjust the heater（7）Power output.
8. requiring a kind of method of work of automation throttling drying unit dried for pigment described in 6 as requested, it is special
Levy and be：Step d also includes：
Processor（5）Judge whether the humidity value received is interval in the first humidity, if then to the humidity with providing humidity value
Sensor（12）Corresponding valve positioner（14）The first control signal is exported, if otherwise judging whether the humidity value received is in
Second humidity is interval, if then to the humidity sensor with providing humidity value（12）Corresponding valve positioner（14）Output second
Control signal.
9. requiring a kind of method of work of automation throttling drying unit dried for pigment described in 8 as requested, it is special
Levy and be：Valve positioner（14）According to the first control signal by corresponding electric control valve（13）Aperture regulation be first
Aperture, according to the second control signal by corresponding electric control valve（13）Aperture regulation be the second aperture, wherein first opens
The ventilation of degree is more than the ventilation of the second aperture.
10. requiring a kind of method of work of automation throttling drying unit dried for pigment described in 6 as requested, it is special
Levy and be：Step e also includes：
The processor（5）Judge the humidity value received whether less than default humidity value；
If so, then to the humidity sensor for providing the humidity value（12）Corresponding valve positioner（14）Export shutdown signal；
The valve positioner（14）According to shutdown signal by corresponding electric control valve（13）Aperture regulation be zero.
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| CN201710691112.XA CN107270695A (en) | 2017-08-14 | 2017-08-14 | A kind of automation throttling drying unit dried for pigment and its method of work |
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| CN201710691112.XA CN107270695A (en) | 2017-08-14 | 2017-08-14 | A kind of automation throttling drying unit dried for pigment and its method of work |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109269292A (en) * | 2018-09-17 | 2019-01-25 | 芜湖海成科技有限公司 | A kind of electrolytic metal band heat baking drying device |
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