CN108826965A - A kind of combined type feed system - Google Patents
A kind of combined type feed system Download PDFInfo
- Publication number
- CN108826965A CN108826965A CN201810814920.5A CN201810814920A CN108826965A CN 108826965 A CN108826965 A CN 108826965A CN 201810814920 A CN201810814920 A CN 201810814920A CN 108826965 A CN108826965 A CN 108826965A
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- Prior art keywords
- control
- receiving hopper
- hydraulic
- combined type
- valve
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- 238000007789 sealing Methods 0.000 claims abstract description 42
- 239000000463 material Substances 0.000 claims abstract description 12
- 239000003921 oil Substances 0.000 claims description 39
- 239000007788 liquid Substances 0.000 claims description 15
- 238000001816 cooling Methods 0.000 claims description 6
- 238000010438 heat treatment Methods 0.000 claims description 6
- 239000000498 cooling water Substances 0.000 claims description 5
- 239000010720 hydraulic oil Substances 0.000 claims description 4
- 238000009826 distribution Methods 0.000 claims description 3
- 231100000331 toxic Toxicity 0.000 abstract description 4
- 230000002588 toxic effect Effects 0.000 abstract description 4
- 239000002699 waste material Substances 0.000 description 7
- 230000005611 electricity Effects 0.000 description 4
- 238000004891 communication Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 239000010729 system oil Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/42—Arrangement of controlling, monitoring, alarm or like devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/32—Arrangement of devices for charging
- F27B7/3205—Charging
- F27B2007/3258—Charging at the open end of the drum
- F27B2007/3264—Charging at the open end of the drum using special discharge means located around the discharge end, e.g. lifting scoops or a transversal annular partition
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Vertical, Hearth, Or Arc Furnaces (AREA)
Abstract
The invention discloses a kind of combined type feed systems, including receiving hopper（8）, rotary kiln（10）, the receiving hopper（8）Side be equipped with bucket elevator（9）, bucket elevator（9）It can be by its loading guide（3）The feed bin of upper setting（2）In material pour into receiving hopper（8）It is interior, the receiving hopper（8）On upper plate seal lock（6）, lower plugboard sealing valve（7）With charging push rod（5）Pass through corresponding recycle oil pump line and hydraulic station respectively（1）In correspondence oil cylinder be connected to carry out hydraulic-driven, hydraulic station（1）In oil cylinder using the driving of same hydraulic electric motor.The present invention feeds push rod by hydraulic control, upper plate seals lock, lower plugboard sealing valve prevents the toxic and high-temperature gas in rotary kiln from overflowing so that the connected component of receiving hopper and rotary kiln is in sealing state always；It is carried out automatically controlling additionally by control cabinet or long-range control control cabinet, can quickly and efficiently be rotary kiln feeding.
Description
Technical field
The present invention relates to rotary kiln fed technology field, specifically one kind fast and stable charging and can pass through
The combined type feed system that control cabinet automatically controls.
Background technique
Under identical volume, hydraulic pressure execution device can produce bigger power than electric device.In Same Efficieney
In the case of, hydraulic pressure execution device it is small in size, light-weight, compact-sized.The Comparision of hydraulic pressure execution device is steady.Due to liquid
Pressure executive device is light-weight, inertia is small, reaction is fast, so being easily achieved fast starting, braking and continually commutating.Hydraulic drive
Automation easy to accomplish, because it is that the pressure to liquid, flow and flow direction control or regulate, manipulation is very convenient.
When hydraulic control and electrical control or pneumatic control are used in combination, it is able to achieve more complex sequentially-operating and long-range control.Mesh
Before, existing charging hydraulic system is predominantly manually operated, and disadvantage is that liquid must be manually operated in operator in operating room
Pressure valve platform realizes each stokehold mechanism work.This mode of operation keeps the position of operator relatively more fixed, and the visual field is narrow, sometimes
In order to guarantee safe operation, it is necessary to while arranging its personnel to observe field working conditions in fire door and being contacted at any time with operator, draw
Lead operator's operation.This operation mode causes operator that cannot accurately and timely make a response to field working conditions, to operation
The timely processing of accuracy, timeliness and emergency case all have a certain impact.And this manual operation is initially being debugged
When, all that the pressure of system work and flow set is good, operator is difficult to be made according to operating condition when production afterwards
Corresponding adjustment leads to system oil pressure, phenomena such as flow is excessive in this way, influences the service life of hydraulic system very much.
Summary of the invention
In response to the problems existing in the prior art, the purpose of the present invention is to provide one kind can fast and stable charging and can lead to
Cross the combined type feed system of control cabinet automatic control.
The purpose of the present invention is what is solved by the following technical programs：
A kind of combined type feed system seals the rotary kiln being connected to, feature including receiving hopper, with the bottom discharge port of receiving hopper
It is：The side of the receiving hopper is equipped with bucket elevator, the feed bin 2 that bucket elevator can will be arranged on its loading guide
In material pour into receiving hopper, upper plate on receiving hopper sealing lock, lower plugboard sealing valve and charging push rod lead to respectively
It crosses corresponding recycle oil pump line to be connected with the corresponding oil cylinder in hydraulic station to carry out hydraulic-driven, the oil cylinder in hydraulic station is using same
One hydraulic electric motor driving.
Oil cylinder in the hydraulic station includes the upper plate oil cylinder for controlling plate sealing lock, control lower plugboard sealing valve
Lower plugboard oil cylinder and control charging push rod promote the master cylinder of material；The oil cylinder is carried out using 24V three position four-way electromagnetic valve
Control, and solenoid valve corresponding to each oil cylinder includes advance solenoid valve and retrogressing solenoid valve.
The recycle oil pump line is equipped with overflow valve.
The hydraulic station includes heating mechanism, cooling body, filter mechanism, temperature sensor, liquid level sensor, pressure
Sensor is equipped with the heater that is connected with temperature sensor in heating mechanism, is equipped in cooling body and temperature sensing
The cooling water solenoid valve that device is connected, liquid level sensor and pressure sensor are all arranged in hydraulic oil container.
The receiving hopper is opened equipped with the stroke for respectively corresponding plate sealing lock, lower plugboard sealing valve and charging push rod
It closes, and the trip switch is using the close switch of infrared diffusing reflection formula.
The front end of the charging push rod is equipped with the pushing head that the material of receiving hopper bottom can be pushed into rotary kiln.
Overflow valve on the hydraulic station, bucket elevator and recycle oil pump line is all respectively and in electrical control cabinet
PLC controller is connected, and the middle part of control cabinet cabinet body inner cavity is arranged in PLC controller, is arranged side by side in the top of PLC controller
Miniature circuit breaker and fuse and breaker of plastic casing and 24V Switching Power Supply is arranged side by side in the top of the two, in PLC controller
Lower section is arranged side by side contactor and electrothermal relay, intermediate relay and connecting terminal is arranged in the lower section of the two；The plastic housing
Breaker is located at the left side of 24V Switching Power Supply, miniature circuit breaker is located at the left side of fuse and contactor and electrothermal relay are located at
The left side of intermediate relay；The cabinet door of above-mentioned electrical control cabinet be equipped with arrangement control switch and indicator light control instructions area and
Digital display meter is equipped in the top in control instructions area.
Corresponding control button or control handle are connected by intermediate relay with connecting terminal in the control instructions area
It connects, connecting terminal is connect by route with the valve for controlling plate, so that corresponding control button or control in control instructions area
Knob can be by intermediate relay, connecting terminal control valve, and valve is connected with PLC controller by route to feed back
Real-time status；Corresponding control button or control handle pass through contactor and electrothermal relay and terminals in the control instructions area
Son is connected, and connecting terminal is connect by route with hydraulic electric motor, so that corresponding control button or control in control instructions area
Knob can control hydraulic electric motor by contactor and electrothermal relay, connecting terminal, and hydraulic electric motor is controlled by route and PLC
Device is connected to feed back real-time status.
The PLC controller is connected respectively with contactor and electrothermal relay, intermediate relay remotely to be controlled,
And both above-mentioned it is connected by corresponding circuit with PLC controller respectively with by contactor and electrothermal relay, intermediate relay
Real-time status feed back to PLC controller.
The 24V Switching Power Supply and miniature circuit breaker are connected with contactor and electrothermal relay, intermediate relay respectively
To be powered, and breaker of plastic casing is connected with 24V Switching Power Supply, miniature circuit breaker carries out distribution respectively.
The present invention has the following advantages compared with prior art：
Before combined type feed system of the invention feeds push rod by hydraulic control, upper plate seals lock, lower plugboard sealing valve
It is prevented toxic and high in rotary kiln into retrogressing so that the connected component of receiving hopper and rotary kiln is in sealing state always
Warm gas overflowing；The combined type feed system is carried out automatically controlling additionally by control cabinet or long-range control control cabinet, it can
It quickly and efficiently is rotary kiln feeding.
Detailed description of the invention
Attached drawing 1 is the structural schematic diagram of combined type feed system of the invention；
Attached drawing 2 is the structural schematic diagram of control cabinet used by combined type feed system of the invention；
Attached drawing 3 is the catenation principle figure of each original part of control cabinet of the invention；
Attached drawing 4 is the control drawing of hydraulic electric motor part of the invention；
Attached drawing 5 is the control drawing of charging pusher portion of the invention.
Wherein：1-hydraulic station；2-feed bins；3-loading guides；4-pushing heads；5-charging push rods；6-upper plates are close
Seal lock；7-lower plugboard sealing valves；8-receiving hoppers；9-bucket elevators；10-rotary kilns；11-breaker of plastic casing；12—
24V Switching Power Supply；13-miniature circuit breakers；14-fuses；15-PLC controllers；16-contactors and electrothermal relay；17—
Intermediate relay；18-connecting terminals；19-digital display meters；20-control instructions areas；21-dedicated the cabinet door locks of rain-proof cabinet.
Specific embodiment
The present invention will be further described below with reference to the accompanying drawings and embodiments.
As shown in Figure 1：A kind of combined type feed system seals company including receiving hopper 8, with the bottom discharge port of receiving hopper 8
Logical rotary kiln 10 is equipped with bucket elevator 9 in the side of receiving hopper 8, and bucket elevator 9 can will be set on its loading guide 3
The material in feed bin 2 set pours into receiving hopper 8, and upper plate sealing lock 6, lower plugboard sealing valve 7 and the charging on receiving hopper 8 push away
Bar 5 is connected respectively to carry out hydraulic-driven and charging push rod 5 with the corresponding oil cylinder in hydraulic station 1 by corresponding recycle oil pump line
Front end be equipped with the pushing head 4 that the material of 8 bottom of receiving hopper can be pushed into rotary kiln 10, the oil cylinder in hydraulic station 1 includes control
The upper plate oil cylinder of plate sealing lock 6, the lower plugboard oil cylinder for controlling lower plugboard sealing valve 7 and control charging push rod 5 promote in system
The master cylinder of material, above-mentioned three group oil cylinder is using same hydraulic electric motor driving, and three group oil cylinders are using three groups of 24V 3-position 4-way electricity
Magnet valve is controlled, and every group of solenoid valve includes advance solenoid valve and retrogressing solenoid valve；Overflow valve is equipped on recycle oil pump line,
When any one in upper plate sealing lock 6, lower plugboard sealing valve 7 and charging push rod 5 has movement, overflow valve all works
Make, tubing pressure can be prevented excessive in this way so as to protect oil pipe.
In above system, receiving hopper 8 is pushed away equipped with plate sealing lock 6, lower plugboard sealing valve 7 and charging is respectively corresponded
The travel switch of bar 5, and the trip switch using infrared diffusing reflection formula close to switch, the switch be it is contactless, failure rate is low,
And it also being capable of normal use in the case where there is water to have dust；Hydraulic station 1 further includes heating mechanism, cooling body, filter
Structure, temperature sensor, liquid level sensor, pressure sensor are equipped with the heating being connected with temperature sensor in heating mechanism
Device is equipped with the cooling water solenoid valve being connected with temperature sensor in cooling body, and liquid level sensor and pressure sensor are all
It is arranged in hydraulic oil container.
As shown in Figure 1, 2, hydraulic station 1, bucket elevator 9, the overflow valve on recycle oil pump line, the stroke on receiving hopper 8
Switch is all connected with the PLC controller 15 in electrical control cabinet respectively, and control cabinet cabinet body inner cavity is arranged in PLC controller 15
Middle part is arranged side by side miniature circuit breaker 13 and fuse 14 in the top of PLC controller 15 and is arranged side by side in the top of the two
Breaker of plastic casing 11 and 24V Switching Power Supply 12, the lower section of PLC controller 15 be arranged side by side contactor and electrothermal relay 16, in
Between relay 17 and connecting terminal 18 is set in the lower section of the two, breaker of plastic casing 11 is located at the left side, small of 24V Switching Power Supply 12
Type breaker 13 is located at the left side of fuse 14 and contactor and electrothermal relay 16 are located at the left side of intermediate relay 17；Above-mentioned electricity
The cabinet door of gas control cabinet is equipped with the control instructions area 20 of arrangement control switch and indicator light and in the top in control instructions area 20
Equipped with digital display meter 19, while the dedicated cabinet door lock 21 of rain-proof cabinet is equipped in the cabinet door of electrical control cabinet.
As shown in Figure 3：Corresponding control button or control handle pass through intermediate relay 17 and connect in control instructions area 20
Line terminals 18 are connected, and connecting terminal 18 is connect by route with the valve for controlling plate, so that corresponding in control instructions area 20
Control button or control handle can by intermediate relay 17,18 control valve of connecting terminal, and valve by route with
PLC controller 15 is connected to feed back real-time status；Corresponding control button or control handle are logical in control instructions area 20 simultaneously
It crosses contactor and electrothermal relay 16 is connected with connecting terminal 18, connecting terminal 18 is connect by route with hydraulic electric motor, so that
Corresponding control button or control handle can be controlled by contactor and electrothermal relay 16, connecting terminal 18 in control instructions area 20
Hydraulic electric motor processed, and hydraulic electric motor is connected by route with PLC controller 15 to feed back real-time status；24V Switching Power Supply 12
It is connected respectively with contactor and electrothermal relay 16, intermediate relay 17 to be powered with miniature circuit breaker 13, and plastic housing is disconnected
Road device 11 is connected with 24V Switching Power Supply 12, miniature circuit breaker 13 respectively carries out distribution.On this basis, PLC controller 15 is divided
It is not connected with contactor and electrothermal relay 16, intermediate relay 17 remotely to be controlled, and above-mentioned the two passes through phase respectively
The circuit answered is connected to feed back the real-time status of contactor and electrothermal relay 16, intermediate relay 17 with PLC controller 15
To PLC controller 15；PLC controller 15 can receive limit switch, oil level signal, oil temperature signal, fuel injection pressure signal and will be upper
It states physical quantity to show by digital display meter 19, while PLC controller 15 can control hydraulic electric motor start and stop, valve start and stop.
200 PLC controller 15 of SMART in the electric control system of the combined type feed system, electrical control cabinet
It is communicated with computer using the communication modes of Ethernet, there is ethernet communication mode at low cost, high reliablity, agreement to open
It puts, the advantages that communication speed is fast, allows the operator to through computer remote control combination formula feed system.
Control by electrical control cabinet to the combined type feed system, the temperature of hydraulic station 1, pressure, liquid level information are all
It is directly entered PLC controller 15 and is read in real time for PLC controller 15；In above system, oil cylinder is all provided with Overstroke switch,
It controls solenoid valve to stop, and shows oil cylinder position on host computer, the runing time of three oil cylinders and dead time can be in PLC
It is freely adjusted in controller 15 and does chain control.
When the temperature that temperature sensor is shown is higher than 55 DEG C（Temperature can be arranged on computers）, cooling water solenoid valve
It connects, when temperature is lower than 35 DEG C（Temperature can be arranged on computers）, cooling water solenoid valve disconnection.Electric heater is only following
It just can turn on after ring pump startup, when the temperature that temperature sensor is shown is lower than 20 DEG C（Temperature can be arranged on computers）When, add
Hot device is connected, when temperature is higher than 40 DEG C（Temperature can be arranged on computers）When heater disconnect.When temperature be higher than 55 DEG C or
Pre-alarm when lower than 15 DEG C, when temperature is higher than 60 DEG C or is lower than 10 DEG C, hydraulic electric motor stopping can not start.
In situations, when hydraulic electric motor is in automatic mode, hydraulic electric motor can be closed.Below minimum liquid level
When, the minimum liquid level normally opened contact closure of liquid level sensor, signal passes to PLC controller 15, and PLC controller 15 closes liquid
Medium-voltage Motor simultaneously issues sound and light alarm signal.When below minimum oil temperature or more than highest oil temperature, temperature signal passes to PLC control
Device 15, PLC controller 15 close hydraulic electric motor and issue sound and light alarm signal.Lock 6, lower plugboard sealing valve 7 are sealed in upper plate
With charging push rod 5 in advance or retrogressing, it is not fed back to a signal within the set time, PLC controller 15 closes liquid
Medium-voltage Motor simultaneously issues sound and light alarm signal.
Combined type feed system of the invention in use, due to feed waste diversity and complexity, therefore use artificial
Waste material is put into feed bin 2 by the mode of feeding, operator, and operator presses rising button, and bucket elevator 9 is run so that material
Storehouse 2 slowly rises along loading guide 3, and when feed bin 2 touches upper limit, the feeding motor of bucket elevator 9 stops, feed bin
Waste material in 2 is poured into receiving hopper 8 by gravity, and subsequent operator presses declines button, and feed bin 2 is slow along loading guide 3
Slow decline, when feed bin 2 touches lower limit, feeding motor stops；After waste material enters receiving hopper 8, upper plate seals lock at this time
6, lower plugboard sealing valve 7 is closed, and charging push rod 5 is opened；Hydraulic electric motor is first opened, upper plate is then opened and seals lock 6, upper plate
It seals lock 6 slowly to open, after upper plate sealing lock 6 is opened in place, upper plate sealing lock 6 stops, and waste material falls into underthrust at this time
In plate sealing valve 7, plate sealing lock 6 is then turned off, after upper plate sealing lock 6 is closed in place, upper plate sealing lock 6 is closed
It closes；Then lower plugboard sealing valve 7 is opened again, lower plugboard sealing valve 7 is slowly opened, after lower plugboard sealing valve 7 is opened in place, under
Plate sealing valve 7 stops, and waste material falls into the front side of pushing head 4 at this time, lower plugboard sealing valve 7 is then turned off, when lower plugboard is close
After sealing the closing in place of valve 7, lower plugboard sealing valve 7 is closed；Then charging push rod 5 is opened, charging push rod 5 is advanced slowly, by waste material
It is slowly pushed into the kiln hood of rotary kiln 10, after feeding push rod 5 in place, charging push rod 5 stops, and presses charging push rod 5 at this time
Backspace button, charging push rod 5 slowly retreat, and after feeding the retrogressing of push rod 5 in place, charging push rod 5 stops.It should be pointed out that
In synchronization, upper plate sealing lock 6, lower plugboard sealing valve 7 can only open one, prevent the toxic and high temperature in rotary kiln 10
Gas overflowing.The material loading part of the feed system is fed using bucket elevator 9, expanded reach small with driving power be wide,
The advantages that long service life, operational reliability are good.
In above-mentioned control cabinet, being spaced apart for breaker of plastic casing 11 in control cabinet, it is strong to possess short circuit breaking capacity, electric current
The wide feature of rate range；24V Switching Power Supply 12 its with small power consumption, high-efficient, small in size, light-weight, voltage stabilized range is wide etc.
Advantage；Miniature circuit breaker 13 has nominal short-circuit breaking capacity high, and safety is higher, high fire-retardance, high temperature resistant, impact-resistant spy
Point；Fuse 14 has many advantages, such as that selectivity is wide, cut-off current characteristics are good, breaking capacity is high, convenient for installation and maintenance；Contactor and heat after
Contactor in electric appliance 16 controls the on-off of motor, and the electrothermal relay in contactor and electrothermal relay 16 is mainly used for electric power and drags
The overload of motor and the control to other electrical equipment febrile states are protected in dynamic system, it is therefore an objective to prevent motor etc. from setting
Standby long-time heavy overload, caused by apparatus insulated aging accelerates, service life shortens, even burns the phenomenon that such as motor
Occur；Intermediate relay 17 has the effects that replace small-size contactor, increases contact rating, changeover contact type；Digital display meter 19
For the oil pressure and oil temperature of real-time display hydraulic oil respectively；Control instructions area 20 shows the work shape of hydraulic electric motor and each valve respectively
State；The dedicated cabinet door lock 21 of rain-proof cabinet be the dedicated cabinet door lock of control cabinet, prevent irrelevant personnel from arbitrarily opening cabinet door, it is ensured that equipment and
Personnel's Electrical Safety.
The control drawing of hydraulic electric motor in hydraulic station 1 of the invention is as shown in figure 4, selected control knob 1-SA1 can be selected
Selecting control mode is the starting of cabinet face or remote PLC starting, when selected control knob rotates to the starting of left side selection cabinet face,
Hydraulic electric motor start button 1-SB2 is pressed, the coil of contactor 1-KM1 obtains electric, the normally opened contact change normally-closed contact of contactor, then
Wire size 1-2 is connected and is kept with wire size 1-3, then major loop is connected, hydraulic electric motor work once electrified, when electric current is excessive, electrothermal relay
When overload acts, electrothermal relay normally opened contact becomes normally closed, and normally-closed contact becomes normally opened, then 1-4 and N1001 is disconnected, and control loop is disconnected
Electricity, the coil losing electricity of contactor 1-KM1, motor is out of service, and L1001 and 1-6 are connected, and trouble light obtains electric, and malfunction indicator lamp is bright
It rises.
The control drawing of charging push rod 5 in hydraulic station 1 of the invention is as shown in figure 5, selected control knob 2-SA1 can be selected
Selecting control mode is the starting of cabinet face or PLC starting, when selected control knob rotates to the left side, i.e. selection cabinet face starting, when press into
Expect the forwarding button 2-SG1 of push rod 5, intermediate relay 2-K1 coil obtains electric, then wire size 2-20 and wire size 2-21 are connected, and charging pushes away
The advance solenoid valve of bar 5 obtains electric, charging 5 forward motion of push rod, the wire size L12 and wire size 2-10 when feeding push rod 5 and advancing in place
Connect, the coil of intermediate relay 2-K3 obtains electric, and the normally-closed contact of intermediate relay 2-K3 becomes normally opened contact, wire size 2-5 with
Wire size N12 is disconnected, then control loop powers off, and feeds the advance solenoid valve power loss of push rod 5, and charging push rod 5 halts.When pressing
When feeding the backspace button 2-SG2 of push rod 5, the coil of intermediate relay 2-K2 obtains electric, then wire size 2-20 and wire size 2-22 connection,
The retrogressing solenoid valve of charging push rod 5 obtains electric, the charging progress backward movement of push rod 5, when feeding the retrogressing of push rod 5 in place, wire size L12
It is connected with wire size 2-11, intermediate relay 2-K4 is connected, and the normally closed change of intermediate relay 2-K4 is normally opened, wire size 2-6 and wire size N12
It disconnects, then control loop powers off, and feeds the retrogressing solenoid valve power loss of push rod 5, and charging push rod 5, which retreats, to be stopped.
Combined type feed system of the invention feeds push rod 5 by hydraulic control, upper plate seals lock 6, lower plugboard seals
The advance and retrogressing of valve 7 prevent rotary kiln 10 so that the connected component of receiving hopper 8 and rotary kiln 10 is in sealing state always
Interior toxic and high-temperature gas overflows；The combined type feed system is carried out certainly additionally by control cabinet or long-range control control cabinet
Dynamic control, can quickly and efficiently be 10 feeding of rotary kiln.
The above examples only illustrate the technical idea of the present invention, and this does not limit the scope of protection of the present invention, all
According to the technical idea provided by the invention, any changes made on the basis of the technical scheme each falls within the scope of the present invention
Within；The technology that the present invention is not directed to can be realized by the prior art.
Claims (10)
1. a kind of combined type feed system, including receiving hopper（8）With receiving hopper（8）Bottom discharge port sealing connection revolution
Kiln（10）, it is characterised in that：The receiving hopper（8）Side be equipped with bucket elevator（9）, bucket elevator（9）It can incite somebody to action
Its loading guide（3）The feed bin of upper setting（2）In material pour into receiving hopper（8）It is interior, the receiving hopper（8）On upper plate it is close
Seal lock（6）, lower plugboard sealing valve（7）With charging push rod（5）Pass through corresponding recycle oil pump line and hydraulic station respectively（1）In pair
Oil cylinder is answered to be connected to carry out hydraulic-driven, hydraulic station（1）In oil cylinder using the driving of same hydraulic electric motor.
2. combined type feed system according to claim 1, it is characterised in that：The hydraulic station（1）In oil cylinder include
Plate seals lock in control（6）Upper plate oil cylinder, control lower plugboard sealing valve（7）Lower plugboard oil cylinder and control charging push rod
（5）Promote the master cylinder of material；The oil cylinder is controlled using 24V three position four-way electromagnetic valve, and corresponding to each oil cylinder
Solenoid valve include advance solenoid valve and retreat solenoid valve.
3. combined type feed system according to claim 1, it is characterised in that：The recycle oil pump line is equipped with overflow
Valve.
4. combined type feed system according to claim 1, it is characterised in that：The hydraulic station（1）Including heater
Structure, cooling body, filter mechanism, temperature sensor, liquid level sensor, pressure sensor, are equipped with and temperature in heating mechanism
The heater that sensor is connected, is equipped with the cooling water solenoid valve being connected with temperature sensor in cooling body, and liquid level passes
Sensor and pressure sensor are all arranged in hydraulic oil container.
5. combined type feed system according to claim 1, it is characterised in that：The receiving hopper（8）It is equipped with difference
Plate seals lock in correspondence（6）, lower plugboard sealing valve（7）With charging push rod（5）Travel switch, and the trip switch is using red
The close switch of outer diffusing reflection formula.
6. combined type feed system according to claim 1, it is characterised in that：The charging push rod（5）Front end be equipped with
It can be by receiving hopper（8）The material of bottom is pushed into rotary kiln（10）Pushing head（4）.
7. -6 any combined type feed system according to claim 1, it is characterised in that：The hydraulic station（1）, bucket type
Elevator（9）And the overflow valve on recycle oil pump line all respectively with the PLC controller in electrical control cabinet（15）It is connected,
PLC controller（15）The middle part of control cabinet cabinet body inner cavity is set, in PLC controller（15）Top small-sized open circuit is arranged side by side
Device（13）And fuse（14）And breaker of plastic casing is arranged side by side in the top of the two（11）With 24V Switching Power Supply（12）, in PLC
Controller（15）Lower section contactor and electrothermal relay is arranged side by side（16）, intermediate relay（17）And it is arranged in the lower section of the two
Connecting terminal（18）；The breaker of plastic casing（11）Positioned at 24V Switching Power Supply（12）Left side, miniature circuit breaker（13）It is located at
Fuse（14）Left side and contactor and electrothermal relay（16）Positioned at intermediate relay（17）Left side；Above-mentioned electrical control cabinet
Cabinet door be equipped with arrangement control switch and indicator light control instructions area（20）And in control instructions area（20）Top be equipped with
Digital display meter（19）.
8. combined type feed system according to claim 7, it is characterised in that：The control instructions area（20）In it is corresponding
Control button or control handle pass through intermediate relay（17）With connecting terminal（18）It is connected, connecting terminal（18）Pass through route
It is connect with the valve of control plate, so that control instructions area（20）In corresponding control button or control handle can pass through centre
Relay（17）, connecting terminal（18）Control valve, and valve passes through route and PLC controller（15）It is connected real-time to feed back
State；The control instructions area（20）In corresponding control button or control handle pass through contactor and electrothermal relay（16）With connect
Line terminals（18）It is connected, connecting terminal（18）It is connect by route with hydraulic electric motor, so that control instructions area（20）In it is corresponding
Control button or control handle can pass through contactor and electrothermal relay（16）, connecting terminal（18）Hydraulic electric motor is controlled, and
Hydraulic electric motor passes through route and PLC controller（15）It is connected to feed back real-time status.
9. combined type feed system according to claim 7 or 8, it is characterised in that：The PLC controller（15）Respectively
With contactor and electrothermal relay（16）, intermediate relay（17）It is connected remotely to be controlled, and above-mentioned the two passes through respectively
Corresponding circuit and PLC controller（15）It is connected with by contactor and electrothermal relay（16）, intermediate relay（17）It is real-time
State feeds back to PLC controller（15）.
10. combined type feed system according to claim 7 or 8, it is characterised in that：The 24V Switching Power Supply（12）
And miniature circuit breaker（13）Respectively with contactor and electrothermal relay（16）, intermediate relay（17）It is connected to be powered, and
Breaker of plastic casing（11）Respectively with 24V Switching Power Supply（12）, miniature circuit breaker（13）It is connected and carries out distribution.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810814920.5A CN108826965A (en) | 2018-07-24 | 2018-07-24 | A kind of combined type feed system |
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| CN201810814920.5A CN108826965A (en) | 2018-07-24 | 2018-07-24 | A kind of combined type feed system |
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