CN110155747A - Automatic ash-discharging system, automatic ash-discharging control method and device - Google Patents
Automatic ash-discharging system, automatic ash-discharging control method and device Download PDFInfo
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- CN110155747A CN110155747A CN201910490153.1A CN201910490153A CN110155747A CN 110155747 A CN110155747 A CN 110155747A CN 201910490153 A CN201910490153 A CN 201910490153A CN 110155747 A CN110155747 A CN 110155747A
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- contactor
- valve plate
- collection storehouse
- material collection
- driving device
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G43/00—Control devices, e.g. for safety, warning or fault-correcting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G65/00—Loading or unloading
- B65G65/30—Methods or devices for filling or emptying bunkers, hoppers, tanks, or like containers, of interest apart from their use in particular chemical or physical processes or their application in particular machines, e.g. not covered by a single other subclass
- B65G65/34—Emptying devices
- B65G65/40—Devices for emptying otherwise than from the top
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Abstract
This application discloses automatic ash-discharging systems, automatic ash-discharging control method and device, wherein, automatic ash-discharging system is applied to N number of balk material collection storehouse, including N number of Double-deck cinder discharge valve, N number of branch control cabinet and main control box, main control box include master controller and the governor circuit connecting with master controller；The first driving device of Double-deck cinder discharge valve and the second driving device are each configured with a controlling brancher, and controlling brancher is equipped with a branch A.C. contactor and an electrothermal relay；Governor circuit is equipped with the first A.C. contactor and the second A.C. contactor in parallel；The corresponding 2N controlling brancher of N number of Double-deck cinder discharge valve is connect with governor circuit, to pass through the N number of Double-deck cinder discharge valve of main controller controls.Compared with prior art, the application, to reduce the cable and installation cost of unloading valve, can reduce the investment of electrical component by the N number of Double-deck cinder discharge valve of a main controller controls, reduce the control cost of unloading valve, be conducive to the popularization and application of unloading valve.
Description
Technical field
This application involves sintering technology field more particularly to a kind of automatic ash-discharging systems, automatic ash-discharging control method and dress
It sets.
Background technique
Balk material collection storehouse is the commonly used equipment of iron and steel enterprise, for collecting the dust generated in agglomerates of sintered pellets preparation section
Or the powders such as little particle loose unpacked material.These powders are generally aperiodically fallen in balk material collection storehouse down, in order to avoid bulk cargo
Collecting bin completely fills and influences to continue to collect more powders, needs periodically to draw off powder from balk material collection storehouse.
Have and unload in grey method, one Double-deck cinder discharge valve is installed in balk material collection orlop portion, Double-deck cinder discharge valve includes up and down
Two layers of sealing dust removing valve plate, the opening and closing of every layer of unloading valve plate are all made of electric pushrod and are driven.Fig. 1 is unloading valve control
Case circuit theory schematic diagram processed.As shown in Figure 1, push-rod electric machine X is connect with 380V three-phase AC power source by control circuit, control electricity
Road is successively arranged: power circuit breaker QL, for being powered control to push-rod electric machine X；Two ac contactors being arranged in parallel
Device KMC1 and KMO1, wherein KMC1 is for controlling push-rod electric machine reversion, and KMO1 is for controlling push-rod electric machine rotating forward；And it is used for
The electrothermal relay KH of overload protection is carried out to control circuit.Fig. 2 is the auxiliary control circuit of control circuit shown in Fig. 1, such as Fig. 2 institute
Show, motor rotates forward and the control circuit of motor reversal interlocks, for example, rotating forward to control motor, then needs to be closed K1, KMO1 is obtained
Electricity, the main contacts closure of KMO1, and the normally-closed contact of KMO1 disconnects, at this point, KMC1 coil will not obtain even if K2 is closed
Electricity.
By Fig. 1 and Fig. 2 it is found that for each unloading valve control cabinet, at least need to put into 4 A.C. contactors and 2 groups
Auxiliary control circuit (there are two the control circuits of push-rod electric machine for the installation of control cabinet), cause unloading valve controling box volume compared with
Greatly, electrical component higher cost is not easy to installation and maintenance.Also, if it is related to a balk material collection storehouse N (N >=2), it needs to throw
Enter 4N A.C. contactor and 2N group auxiliary control circuit, higher unloading valve controls cost, the popularization of unloading valve will be hindered to answer
With.
Summary of the invention
This application provides a kind of automatic ash-discharging systems, automatic ash-discharging control method and device, to solve unloading valve control
The problem of case volume is larger, is not easy to the control higher cost of installation and maintenance and unloading valve.
In a first aspect, being applied to N number of balk material collection storehouse, the system packet this application provides a kind of automatic ash-discharging system
It includes: N number of Double-deck cinder discharge valve, respectively N number of branch controller corresponding with each Double-deck cinder discharge valve and a master controller；
N number of Double-deck cinder discharge valve is separately mounted to the orlop in N number of balk material collection storehouse；N number of branch controller passes through logical
Letter bus is connect with the master controller；The Double-deck cinder discharge valve includes the first driving device for driving the first valve plate to be opened and closed
With the second driving device for driving the second valve plate to be opened and closed；First valve plate and the second valve plate form buffer bin；
A controlling brancher is respectively configured in the first driving device and the second driving device, and the controlling brancher is equipped with
One A.C. contactor and an electrothermal relay；
The master controller connects a governor circuit, and the governor circuit is equipped with the first A.C. contactor in parallel and the
Two A.C. contactors；
The corresponding 2N controlling brancher of N number of Double-deck cinder discharge valve is connect with the governor circuit, to pass through the master
Controller controls N number of Double-deck cinder discharge valve；
Wherein, first A.C. contactor and the second A.C. contactor are respectively used to control and access in the governor circuit
Driving device forward or reverse.
Further, a material-level detecting device, the material-level measure are equipped at the default material position in each balk material collection storehouse
Device is connect with the branch controller, and the branch controller is passed the detection data of material-level detecting device by communication bus
It is defeated by master controller, so that master controller determines powder in balk material collection storehouse according to the detection data of the material-level detecting device
Whether practical material position reaches the default material position.
Further, each balk material collection storehouse is equipped with a pressure test device, and the pressure test device is for detecting
The pressure difference of two sides above and below first valve plate；The pressure test device is connect with the branch controller, the branch control
The pressure difference data that pressure test device acquires is transferred to master controller by communication bus by device so that the master controller according to
The pressure difference data of pressure test device acquisition determines the closed state of first valve plate.
Further, the pressure test device includes the first pressure tappings and the second pressure tappings；First pressure tappings and institute
The connection of balk material collection storehouse is stated, second pressure tappings are connected to the buffer bin.
Further, the system also includes main display, the main display is connect with the master controller.
Second aspect, the application provides a kind of automatic ash-discharging control method, described applied to system described in first aspect
Method includes:
It monitors each balk material collection storehouse in N number of balk material collection storehouse and whether meets and default unload grey condition；
For meeting the default balk material collection storehouse for unloading grey condition, first A.C. contactor and first driving are controlled
The corresponding controlling brancher closure of device, to open the first valve plate, makes powder drop into the buffer bin from balk material collection storehouse；
The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the first valve plate；
It controls first A.C. contactor and the corresponding controlling brancher closure of the second driving device, second exchange connects
Tentaculum and the corresponding controlling brancher of first driving device disconnect, and to open the second valve plate, unload powder from the buffer bin
Out；
The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the second valve plate.
Further, in the N number of balk material collection storehouse of the monitoring each balk material collection storehouse whether meet it is default unload grey condition, wrap
It includes:
Obtain the detection data of each material-level detecting device acquisition；
Judge whether the practical material position of powder in the balk material collection storehouse reaches default material position according to the detection data；
If practical material position reaches default material position, the balk material collection storehouse, which meets to preset, unloads grey condition.
Further, the method also includes:
Obtain the pressure difference data of each pressure test device acquisition；
Judge whether first valve plate completely closes according to the pressure difference data；
If first valve plate does not completely close, first valve plate is controlled again and opens and closes.
Further, the control first driving device or the corresponding controlling brancher closure of the second driving device include: control
The branch A.C. contactor and electrothermal relay close simultaneously in first driving device or the corresponding controlling brancher of the second driving device
It closes.
The third aspect, the application provide a kind of automatic ash discharging control device, applied to automatic ash-discharging described in first aspect
System, described device include:
Whether monitoring unit meets for monitoring each balk material collection storehouse in N number of balk material collection storehouse and default unloads grey condition；
First control unit, for controlling first exchange and connecing for meeting the default balk material collection storehouse for unloading grey condition
Tentaculum and the corresponding controlling brancher closure of the first driving device, to open the first valve plate, fall powder from balk material collection storehouse
Enter to the buffer bin；The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the first valve
Plate；
Second control unit is closed for controlling first A.C. contactor and the corresponding controlling brancher of the second driving device
Close, second A.C. contactor and the corresponding controlling brancher of first driving device disconnect, to open the second valve plate, make powder from
It is drawn off in the buffer bin；The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the second valve
Plate.
From the above technical scheme, the embodiment of the present application provides a kind of automatic ash-discharging system, automatic ash-discharging control method
And device, wherein the automatic ash-discharging system is applied to N number of balk material collection storehouse, the system comprises: N number of Double-deck cinder discharge valve divides
N number of branch controller not corresponding with each Double-deck cinder discharge valve and a master controller；N number of Double-deck cinder discharge valve point
It is not mounted on the orlop in N number of balk material collection storehouse；The Double-deck cinder discharge valve includes first for driving the opening and closing of the first valve plate
Driving device and for drive the second valve plate be opened and closed the second driving device；First valve plate and the second valve plate form buffering material
Storehouse；The first driving device and the second driving device are each configured with a controlling brancher, and the controlling brancher is equipped with one
A branch A.C. contactor and an electrothermal relay；The master controller connects a governor circuit, and the governor circuit is equipped with
First A.C. contactor and the second A.C. contactor in parallel；The corresponding 2N controlling brancher of N number of Double-deck cinder discharge valve with
The governor circuit connection, to pass through the N number of Double-deck cinder discharge valve of the main controller controls.Compared with prior art, this Shen
It, to reduce the investment of electrical component, convenient for in-site installation and please can be applied by the N number of Double-deck cinder discharge valve of a main controller controls
Work reduces the control cost of unloading valve, is conducive to the popularization and application of unloading valve.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the application, letter will be made to attached drawing needed in the embodiment below
Singly introduce, it should be apparent that, for those of ordinary skills, without any creative labor,
It is also possible to obtain other drawings based on these drawings.
Fig. 1 is the application unloading valve control cabinet circuit theory schematic diagram shown according to an exemplary embodiment；
Fig. 2 is the auxiliary control circuit schematic diagram of control circuit shown in Fig. 1；
Fig. 3 is that a kind of the application Double-deck cinder discharge valve structure of automatic ash-discharging system shown according to an exemplary embodiment is shown
It is intended to；
Fig. 4 is a kind of the application Double-deck cinder discharge valve main power source of automatic ash-discharging system shown according to an exemplary embodiment
It is electrically connected schematic diagram；
Fig. 5 is a kind of the application rough schematic of branch control cabinet shown according to an exemplary embodiment；
Fig. 6 is a kind of the application automatic ash-discharging system schematic shown according to an exemplary embodiment；
Fig. 7 is a kind of the application automatic ash-discharging control method flow chart shown according to an exemplary embodiment；
Fig. 8 is a kind of the application another partial schematic diagram of automatic ash-discharging system shown according to an exemplary embodiment；
Fig. 9 is a kind of the application automatic ash discharging control device block diagram shown according to an exemplary embodiment.
Specific embodiment
Example embodiments are described in detail here, and the example is illustrated in the accompanying drawings.Following description is related to
When attached drawing, unless otherwise indicated, the same numbers in different drawings indicate the same or similar elements.Following exemplary embodiment
Described in embodiment do not represent all embodiments consistented with the present invention.On the contrary, they be only with it is such as appended
The example of device and method being described in detail in claims, some aspects of the invention are consistent.
In sintering technology field, unloading valve is widely used in sintering machine large flue, traditional circular cooler and dedusting system
System, such as Double-deck cinder discharge valve in the prior art.Double-deck cinder discharge valve is made of upper layer and lower layer valve, the space between two layers of valve
Constitute the buffer bin of sealing.Opening and closing for two layers of valve is generally controlled using following three kinds of modes, one is using single
Motor rotation and weight mode control, the second is being controlled using two air-legs, the third is using two electric pushrod controls
System.
The application is based on Double-deck cinder discharge valve, provides a kind of automatic ash-discharging system, which is applied to N number of balk material collection storehouse,
Orlop in each balk material collection storehouse is equipped with a Double-deck cinder discharge valve, by a master controller to N number of Double-deck cinder discharge valve
Centralized control is carried out, and then saves the input quantity of electrical component, reduces the control cost and installation cost of unloading valve, while just
In the installation, debugging and maintenance of Double-deck cinder discharge valve.
Fig. 3 is that a kind of the application Double-deck cinder discharge valve structure of automatic ash-discharging system shown according to an exemplary embodiment is shown
The case where being intended to, a balk material collection storehouse and a Double-deck cinder discharge valve have been shown in particular.As shown in figure 3, Double-deck cinder discharge valve includes
First valve plate 31 and the second valve plate 32；First valve plate 31 is arranged in 30 orlop of balk material collection storehouse, the first valve plate 31 and the second valve plate
32 form buffer bin 33.In Fig. 3, upper layer and lower layer valve is controlled respectively using two electric pushrods.Specifically, being driven by first
Dynamic device controls the opening and closing of the first valve plate 31, and the opening and closing of the second valve plate 32 is controlled by the second driving device.First driving device
Including the first electric pushrod 34 and the first pivoted arm 35 connecting with the first electric pushrod 34, the first electric pushrod 34 is used as driving machine
Structure, the first pivoted arm 35 are used as executing agency, to control the opening and closing of the first valve plate 31.Similarly, the second driving device includes second
Electric pushrod 36 and the second pivoted arm 37 being connect with the second electric pushrod 36, the second electric pushrod 36 be used as driving mechanism, second
Pivoted arm 37 is used as executing agency, to control the opening and closing of the second valve plate 32.The further specific structure and its work of Double-deck cinder discharge valve
Make the principle category prior art, the application repeats no more.
When the balk material collection storehouse meet it is default unload grey condition when, as material position practical in storehouse reaches default material position, or such as away from upper
When the time of secondary discharging reaches preset duration, by the first electric pushrod motor of control to drive the first pivoted arm, the first valve is opened
Plate drops into the powder in balk material collection storehouse in the buffer bin between the first valve plate and the second valve plate, then passes through control the
The reversion of one electric pushrod closes the first valve plate to drive the first pivoted arm；Then it is rotated forward by the second electric pushrod of control to drive
Second pivoted arm opens the second valve plate, then draws off the powder in buffer bin.Optionally, a storing is set below the second valve plate
Storehouse, after the second valve plate is opened, powder drops into storage bin 38 from buffer bin, unloads grey completion.
In the prior art, it is individually equipped with a control cabinet for each Double-deck cinder discharge valve, for realizing above-mentioned control process.
Fig. 1 is circuit theory schematic diagram in unloading valve control cabinet in the prior art.As shown in Figure 1, push-rod electric machine X and 380V AC power supplies
It is connected by control circuit, is successively arranged in control circuit: power circuit breaker QL, for being powered control to push-rod electric machine；
Two A.C. contactors KMC1 and KMO1 being arranged in parallel, wherein KMC1 is for controlling push-rod electric machine reversion, and KMO1 is for controlling
Push-rod electric machine rotates forward；And the electrothermal relay for carrying out overload protection to control circuit.Fig. 2 is control circuit shown in Fig. 1
Auxiliary control circuit, as shown in Fig. 2, motor rotates forward and the control circuit of motor reversal interlocks, for example, just to control motor
Turn, then need to be closed K1, KMO1 obtains electric, the main contacts closure of KMO1, and the normally-closed contact of KMO1 disconnects, at this point, even if K2
Closure, KMC1 coil will not obtain electric.
By Fig. 1 and Fig. 2 it is found that control cabinet for each unloading valve, at least needs to put into 4 A.C. contactors and 2
Group auxiliary control circuit (control cabinet is for controlling two push-rod electric machines), and need individually to be equipped with a controller to these
Electrical component and control circuit are controlled, and are caused unloading valve controling box volume larger, are not easy to installation and maintenance.In addition, if
It is related to N number of balk material collection storehouse (N >=2), then needs to put into 4N A.C. contactor and 2N group auxiliary control circuit, the control of unloading valve
Higher cost processed, to hinder the popularization and application of unloading valve.
In order to reduce the volume of single unloading valve control cabinet in order to install and safeguard, while reducing to Double-deck cinder discharge valve
Cost is controlled, the application provides a kind of new type control circuit for Double-deck cinder discharge valve.
Fig. 4 is a kind of the application Double-deck cinder discharge valve main power source of automatic ash-discharging system shown according to an exemplary embodiment
It is electrically connected schematic diagram, is had been shown in particular in system for realizing (double to the central controlled new type control circuit of N number of unloading valve
Layer unloading valve main power source is electrically connected schematic diagram).
For each of N number of Double-deck cinder discharge valve, first driving device and the second driving device are each configured with one
Controlling brancher, each controlling brancher are equipped with a branch A.C. contactor and an electrothermal relay.As in Fig. 4, No. 1 is unloaded
The control circuit of grey valve includes the first controlling brancher 41 connecting with the first push-rod electric machine and connect with the second push-rod electric machine
Two controlling branchers 42.First controlling brancher 41 is equipped with electrothermal relay FR1 and a branch A.C. contactor KM11, the second control
Branch 42 is equipped with an an electrothermal relay FR2 and branch A.C. contactor KM12.
In addition, corresponding to a branch controller, the branch of each unloading valve for each of N number of Double-deck cinder discharge valve
Road controller and two controlling branchers constitute the branch control cabinet for corresponding to the unloading valve.Fig. 5 is the letter of each branch control cabinet
Single schematic diagram.As shown in figure 5, branch controller is connect with the control circuit in case in branch control cabinet.It is electric based on shown in Fig. 4
The specific connection type of road, branch controller and two controlling branchers in case be it is well known to those skilled in the art, herein not
It repeats again.
With continued reference to Fig. 4, automatic ash-discharging system described herein further include a master controller and with the master controller
One governor circuit 40 of connection.The master controller and governor circuit constitute the main control box for corresponding to N number of unloading valve.Wherein, N number of
Branch controller passes through communication line and connect with master controller.Governor circuit 40 is equipped with the first A.C. contactor KM1 and the
Two A.C. contactor KM2, the first A.C. contactor and the second A.C. contactor are arranged in parallel on the governor circuit；Wherein,
First A.C. contactor and the second A.C. contactor be respectively used to control the driving device accessed in the governor circuit rotate forward or
Reversion.For example, the push-rod electric machine accessed in governor circuit rotates forward, when the second ac contactor when the first A.C. contactor closure
When device is closed, the push-rod electric machine accessed in governor circuit is inverted.
In addition, a circuit breaker Q F1 is additionally provided on governor circuit 40, for being powered control to N number of Double-deck cinder discharge valve.
The corresponding 2N controlling brancher of N number of Double-deck cinder discharge valve is connect with governor circuit in system, that is, N number of unloading valve control
Case processed is connect with main control box, passes through the N number of Double-deck cinder discharge valve of main controller controls.
More specifically, as shown in fig. 6, main control box is connected by communication bus cable 61, driving device feed cable 62
Connect the corresponding branch control cabinet of each unloading valve.
In the present embodiment, master control is arranged in two A.C. contactors rotated and reverse by that will be used to control push-rod electric machine
On circuit, realization is uniformly controlled the positive and negative rotation of 2N push-rod electric machine, to reduce the investment of A.C. contactor, reduces
Control cost.
Specifically, controling circuit structure is it is found that each unloading valve control cabinet only needs 2 exchanges of investment according to Fig.4,
Contactor saves 2 A.C. contactors and 2 groups of auxiliary control circuits, and then subtract compared with Fig. 1 and control structure shown in Fig. 2
The small volume of unloading valve control cabinet, it is convenient for safeguarding with installation.Also, the case where for being related to N number of balk material collection storehouse, then needs to throw
Enter 2N electrothermal relay and 2N+2 A.C. contactor, compared with Fig. 1 and control structure shown in Fig. 2, saves 2N-2 exchange
Contactor and 2N group auxiliary control circuit, greatly reduce the control cost of electric cinder valve, are conducive to its popularization and application.
The automatic ash-discharging system provided based on the above embodiment, the application provide a kind of automatic ash-discharging control method, such as Fig. 7
Shown, this method may include:
Step 71, it monitors each balk material collection storehouse in N number of balk material collection storehouse and whether meets and default unload grey condition.
Step 72, for meeting the default balk material collection storehouse for unloading grey condition, first A.C. contactor and described is controlled
The corresponding controlling brancher closure of first driving device drops into powder from balk material collection storehouse described slow to open the first valve plate
Slug storehouse.
Step 73, the first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the first valve plate.
Step 74, first A.C. contactor and the corresponding controlling brancher closure of the second driving device, described the are controlled
Two A.C. contactors and the corresponding controlling brancher of first driving device disconnect, and to open the second valve plate, make powder from the buffering
It is drawn off in feed bin.
Step 75, the first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the second valve plate.
It should be noted that in above-mentioned steps, the control first driving device or the corresponding control of the second driving device that are related to
Branch closure processed includes the branch ac contactor on control first driving device or the corresponding controlling brancher of the second driving device
Device and electrothermal relay are closed at.
For this application involves Double-deck cinder discharge valve, generally use sequential control method control unload grey process.Due to according to
When sequential control method unloads ash, the powder amount in balk material collection storehouse can not be known, and then there are Double-deck cinder discharge valve plates will dissipate
The case where powder in material collecting bin is disposably unstowed.
In order to solve this problem, shown in fig. 4 to fig. 6 on the basis of automatic ash-discharging system, in each balk material collection storehouse
Default material position at be equipped with a material-level detecting device 39 (Fig. 3), each material-level detecting device is corresponding with Double-deck cinder discharge valve
The detection data of material-level detecting device is transferred to master controller by communication bus by branch controller connection, branch controller,
So that master controller determines the practical material position of powder in balk material collection storehouse according to the detection data that the material-level detecting device acquires
Whether the default material position is reached.Material-level detecting device can be using level sensor or temperature sensor etc..
Based on this preferred embodiment, step 71 is further specifically included:
Step 711, master controller obtains the detection data of each material-level detecting device acquisition.
Material-level detecting device acquires the balk material collection storehouse where it in real time and presets material position and/or temperature data at material position,
And using the communication bus of branch controller at default material position material position and/or temperature data send master controller to.
Step 712, judge whether the practical material position of powder in the balk material collection storehouse reaches pre- according to the detection data
If material position.
Step 713, if practical material position reaches default material position, the balk material collection storehouse, which meets to preset, unloads grey condition.
In the present embodiment, when the practical material position in balk material collection storehouse reaches default material position, automatic ash-discharging process is triggered, together
When since default material position is known, available when unloading ash and starting, the powder amount in balk material collection storehouse, so as to pre-
Know the required discharge time, and then can guarantee powder in storehouse can disposably be unstowed.
In practical application, when control close the first valve plate (i.e. upper layer valve plate) when, be easy blocked by powder and can not be complete
It closes, causes unloading valve to leak out seriously, increase so as to cause the exhaust fan load for receiving ash, invalid wind increases, waste of energy.
To solve the above-mentioned problems, in preferred embodiment shown in Fig. 8, each balk material collection storehouse is equipped with a pressure difference
Detection device 80, the pressure test device are used to detect the pressure difference of first valve plate or more two sides；The pressure test device
40 branch controller connections corresponding with the Double-deck cinder discharge valve, branch controller are adopted pressure test device by communication bus
The pressure difference data of collection is transferred to master controller, so that the master controller first valve plate according to pressure differential detection data judging
Closed state.Wherein, the closed state of the first valve plate includes being closed completely and not fully closed two kinds.
Specifically, the pressure test device 80 includes the first pressure tappings 81 and the second pressure tappings 82；First pressure
Mouth is connected to the balk material collection storehouse, and second pressure tappings are connected to the buffer bin, to realize above and below to the first valve plate
The detection respectively of pressure at both sides, and then obtain the pressure difference data of two sides up and down.
Based on this preferred embodiment, automatic ash-discharging control method shown in Fig. 7 further include:
Step 76, it if determining that the first valve plate does not completely close according to the pressure difference data of pressure test device acquisition, holds
Row step 72 and step 73 are opened and are closed to control the first valve plate again.
Specifically, obtaining the pressure difference data of each pressure test device acquisition first；Institute is judged according to the pressure difference data
State whether the first valve plate completely closes, wherein if pressure difference is less than preset threshold, illustrate that the first valve plate does not completely close, it is no
Then illustrate that the first valve plate has completely closed.
In a preferred embodiment, automatic ash-discharging system provided by the present application further includes main display, the main display
Connect with master controller, for showing the related data of N number of Double-deck cinder discharge valve, as temperature detection data, pressure differential detection data with
And operating status etc., without being individually equipped with a display screen for each Double-deck cinder discharge valve, and then further decrease to unloading ash
The control cost of valve.
From the above technical scheme, the embodiment of the present application provides a kind of automatic ash-discharging system, automatic ash-discharging control method,
Wherein, the automatic ash-discharging system is applied to N number of balk material collection storehouse, the system comprises: N number of Double-deck cinder discharge valve, respectively and often
The corresponding N number of branch controller of one Double-deck cinder discharge valve and a master controller；N number of Double-deck cinder discharge valve is installed respectively
Orlop in N number of balk material collection storehouse；The Double-deck cinder discharge valve includes the first driving dress for driving the first valve plate to be opened and closed
Set and for drive the second valve plate be opened and closed the second driving device；First valve plate and the second valve plate form buffer bin；Institute
It states first driving device and the second driving device is each configured with a controlling brancher, the controlling brancher is equipped with a branch
A.C. contactor and an electrothermal relay；The master controller connects a governor circuit, and the governor circuit is equipped in parallel
First A.C. contactor and the second A.C. contactor；The corresponding 2N controlling brancher of N number of Double-deck cinder discharge valve with the master
Circuit connection is controlled, to pass through the N number of Double-deck cinder discharge valve of the main controller controls.Compared with prior art, the application can
By the N number of Double-deck cinder discharge valve of a main controller controls, to reduce the investment of electrical component, the control cost of unloading valve is reduced,
Be conducive to the popularization and application of unloading valve.
Fig. 9 is a kind of the application automatic ash discharging control device block diagram shown according to an exemplary embodiment, this is unloaded automatically
Grey control device is applied to automatic ash-discharging system provided by the embodiments of the present application.As shown in figure 9, the automatic ash discharging control device packet
It includes:
Whether monitoring unit U91 meets for monitoring each balk material collection storehouse in N number of balk material collection storehouse and default unloads lath
Part；
First control unit U92, for controlling first exchange for meeting the default balk material collection storehouse for unloading grey condition
Contactor and the corresponding controlling brancher closure of the first driving device, to open the first valve plate, make powder from balk material collection storehouse
Drop into the buffer bin；The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the first valve
Plate；
Second control unit U93, for controlling first A.C. contactor and the corresponding control branch of the second driving device
Road closure, second A.C. contactor and the corresponding controlling brancher of first driving device disconnect, and to open the second valve plate, make powder
Material is drawn off from the buffer bin；Control first A.C. contactor disconnect, the second A.C. contactor closure, to close the
Two valve plates.
Wherein, the control first driving device or the second driving device corresponding controlling brancher closure include: control the
The branch A.C. contactor and electrothermal relay are closed in one driving device or the corresponding controlling brancher of the second driving device.
Optionally, monitoring unit U91 is specifically used for: obtaining the detection data of each material-level detecting device acquisition；According to institute
It states detection data and judges whether the practical material position of powder in the balk material collection storehouse reaches default material position；If practical material position reaches
Default material position, then the balk material collection storehouse, which meets to preset, unloads grey condition.
Optionally, first control unit U92 is also used to: obtaining the pressure difference data of each pressure test device acquisition；According to
The pressure difference data judges whether first valve plate completely closes；If first valve plate does not completely close, control again
First valve plate is made to open and close.
From the above technical scheme, the embodiment of the present application provides a kind of automatic ash-discharging system, automatic ash-discharging control method
And device, wherein the automatic ash-discharging system is applied to N number of balk material collection storehouse, the system comprises: N number of Double-deck cinder discharge valve divides
N number of branch controller not corresponding with each Double-deck cinder discharge valve and a master controller；N number of Double-deck cinder discharge valve point
It is not mounted on the orlop in N number of balk material collection storehouse；N number of branch controller passes through communication bus and the master controller
Connection；The Double-deck cinder discharge valve include for drive the first valve plate be opened and closed first driving device and for drive the second valve plate open
The second driving device closed；First valve plate and the second valve plate form buffer bin；The first driving device and second is driven
Dynamic device is each configured with a controlling brancher, and the controlling brancher is equipped with a branch A.C. contactor and a hot relay
Device；The master controller connects a governor circuit, and the governor circuit is equipped with the first A.C. contactor and second in parallel and hands over
Flow contactor；The corresponding 2N controlling brancher of N number of Double-deck cinder discharge valve is connect with the governor circuit, to pass through the master
Controller controls N number of Double-deck cinder discharge valve.Compared with prior art, the application can be N number of double by a main controller controls
Layer unloading valve reduces the control cost of unloading valve, is conducive to the popularization and application of unloading valve to reduce the investment of electrical component.
In the specific implementation, the present invention also provides a kind of computer storage mediums, wherein the computer storage medium can store
There is program, which may include some or all of in each embodiment of automatic ash-discharging control method provided by the invention when executing
Step.The storage medium can for magnetic disk, CD, read-only memory (English: read-only memory, referred to as:
ROM) or random access memory (English: random access memory, referred to as: RAM) etc..
It is required that those skilled in the art can be understood that the technology in the embodiment of the present invention can add by software
The mode of general hardware platform realize.Based on this understanding, the technical solution in the embodiment of the present invention substantially or
Say that the part that contributes to existing technology can be embodied in the form of software products, which can deposit
Storage is in storage medium, such as ROM/RAM, magnetic disk, CD, including some instructions are used so that computer equipment (can be with
It is personal computer, server or the network equipment etc.) execute certain part institutes of each embodiment of the present invention or embodiment
The method stated.
Same and similar part may refer to each other between each embodiment in this specification.Especially for automatic ash-discharging
For control device embodiment, since it is substantially similar to the method embodiment, so be described relatively simple, related place referring to
Explanation in embodiment of the method.
Invention described above embodiment is not intended to limit the scope of the present invention..
Claims (10)
1. a kind of automatic ash-discharging system, which is characterized in that it is applied to N number of balk material collection storehouse, the system comprises: N number of bilayer unloads
Grey valve, the corresponding branch controller of each Double-deck cinder discharge valve and a master controller；N number of Double-deck cinder discharge valve difference
It is mounted on the orlop in N number of balk material collection storehouse；N number of branch controller passes through communication bus and the master controller connects
It connects；
The Double-deck cinder discharge valve include for drive the first valve plate be opened and closed first driving device and for drive the second valve plate open
The second driving device closed；First valve plate and the second valve plate form buffer bin；
The first driving device and the second driving device are each configured with a controlling brancher, and the controlling brancher is equipped with one
A branch A.C. contactor and an electrothermal relay；
The master controller connects a governor circuit, and the governor circuit is equipped with the first A.C. contactor and second in parallel and hands over
Flow contactor；
The corresponding 2N controlling brancher of N number of Double-deck cinder discharge valve is connect with the governor circuit, to pass through the main control
Device controls N number of Double-deck cinder discharge valve；
Wherein, first A.C. contactor and the second A.C. contactor are respectively used to control the drive accessed in the governor circuit
Dynamic device is forward or reverse.
2. system according to claim 1, which is characterized in that be equipped with one at the default material position in each balk material collection storehouse
Material-level detecting device, the material-level detecting device are connect with the branch controller, and the branch controller passes through communication bus
The detection data of material-level detecting device is transferred to master controller, so that detection of the master controller according to the material-level detecting device
Whether the practical material position of powder reaches the default material position in data judging balk material collection storehouse.
3. system according to claim 1, which is characterized in that each balk material collection storehouse is equipped with a pressure differential detection dress
It sets, the pressure test device is used to detect the pressure difference of first valve plate or more two sides；The pressure test device with it is described
The pressure difference data that pressure test device acquires is transferred to master by communication bus by branch controller connection, the branch controller
Controller, so that the master controller determines the closed form of first valve plate according to the pressure difference data that pressure test device acquires
State.
4. system according to claim 3, which is characterized in that the pressure test device includes the first pressure tappings and second
Pressure tappings；First pressure tappings are connected to the balk material collection storehouse, and second pressure tappings are connected to the buffer bin.
5. system according to claim 1, which is characterized in that the system also includes main display, the main display
It is connect with the master controller.
6. a kind of automatic ash-discharging control method, which is characterized in that it is applied to the described in any item systems of claim 1-5, it is described
Method includes:
It monitors each balk material collection storehouse in N number of balk material collection storehouse and whether meets and default unload grey condition；
For meeting the default balk material collection storehouse for unloading grey condition, first A.C. contactor and the first driving device are controlled
Corresponding controlling brancher closure, to open the first valve plate, makes powder drop into the buffer bin from balk material collection storehouse；
The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the first valve plate；
Control first A.C. contactor and the corresponding controlling brancher closure of the second driving device, second A.C. contactor
Controlling brancher corresponding with first driving device disconnects, and to open the second valve plate, draws off powder from the buffer bin；
The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the second valve plate.
7. the method according to claim 1, wherein each balk material collection in the N number of balk material collection storehouse of monitoring
Whether storehouse, which meets to preset, is unloaded grey condition, comprising:
Obtain the detection data of each material-level detecting device acquisition；
Judge whether the practical material position of powder in the balk material collection storehouse reaches default material position according to the detection data；
If practical material position reaches default material position, the balk material collection storehouse, which meets to preset, unloads grey condition.
8. the method according to claim 1, wherein the method also includes:
Obtain the pressure difference data of each pressure test device acquisition；
Judge whether first valve plate completely closes according to the pressure difference data；
If first valve plate does not completely close, first valve plate is controlled again and opens and closes.
9. according to the method described in claim 6, it is characterized in that, the control first driving device or the second driving device pair
The controlling brancher closure answered includes: the branch friendship on control first driving device or the corresponding controlling brancher of the second driving device
Stream contactor and electrothermal relay are closed at.
10. a kind of automatic ash discharging control device, which is characterized in that be applied to the described in any item automatic ash-dischargings of claim 1-5
System, the automatic ash discharging control device include:
Whether monitoring unit meets for monitoring each balk material collection storehouse in N number of balk material collection storehouse and default unloads grey condition；
First control unit, for controlling first A.C. contactor for meeting the default balk material collection storehouse for unloading grey condition
Controlling brancher closure corresponding with the first driving device, to open the first valve plate, drops into powder from balk material collection storehouse
The buffer bin；The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the first valve plate；
Second control unit, be closed for controlling first A.C. contactor and the corresponding controlling brancher of the second driving device,
Second A.C. contactor and the corresponding controlling brancher of first driving device disconnect, and to open the second valve plate, make powder from institute
It states in buffer bin and draws off；The first A.C. contactor disconnection, the second A.C. contactor closure are controlled, to close the second valve
Plate.
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| CN201910490153.1A CN110155747A (en) | 2019-06-06 | 2019-06-06 | Automatic ash-discharging system, automatic ash-discharging control method and device |
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Application publication date: 20190823 |