CN104743770A - Automatic reversing device of fuel gas kiln - Google Patents
Automatic reversing device of fuel gas kiln Download PDFInfo
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- CN104743770A CN104743770A CN201310750834.XA CN201310750834A CN104743770A CN 104743770 A CN104743770 A CN 104743770A CN 201310750834 A CN201310750834 A CN 201310750834A CN 104743770 A CN104743770 A CN 104743770A
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Abstract
The invention belongs to the field of glass production equipment accessory, and in particular relates to an automatic reversing device of a fuel gas kiln. The automatic reversing device comprises a master control cabinet, wherein the master control cabinet is provided with a time relay and a PLC controller, the PLC controller is externally connected with three paths of signal lines, the first path of signal line is connected with a left natural gas electromagnetic valve, a left compressed air electromagnetic valve and a right board in-place electromagnetic valve, the second path of signal line is connected with a right natural gas electromagnetic valve, a right compressed air electromagnetic valve and a left board in-place electromagnetic valve, the third path of signal line is connected with a reversing execution motor, two sides of the reversing execution motor are respectively connected with a left gate and a right gate of the kiln, the left gate and the right gate of the kiln are respectively and correspondingly provided with a left in-place sensor and a right in-place sensor, the left in-place sensor and the right in-place sensor are respectively connected with a left board in-place electromagnetic valve and a right board in-place electromagnetic valve. The in-place information of each of the left gate and the right gate can be judged through the left in-place sensor and the right in-place sensor; the reversing can be immediately stopped if one action is not in place or the operation is abnormal in the reversing process, the potential safety hazard is eliminated, and the work is stable and reliable.
Description
Technical field
The invention belongs to glass manufacturing apparatus field of accessories, be specifically related to a kind of gas burning kiln automatic reversing apparatus.
Background technology
At present, the automatic reverse system of firing heavy oil glass furnace mainly contains the compositions such as flashboard driving, ram position signal, PLC master control, first and second spraying gun, purging, heavy oil magnetic valve.The main signal of this system works is sent by two pieces of count down time rly.s, if defining half an hour is a commutation cycle, namely the so-called least bit to on schedule to, after count down time rly. time of arrival, by the normally opened contact of the time relay to PLC main signal, PLC starts working, bring into operation according to the program of establishment in advance, order is flashboard action, close one to oil, Guan Yixiang gas, purge, open one to gas, open one to oil, then count down time rly. brings into operation, such reciprocation cycle, this exchange system operates in fuel oil kiln and meets the requirements completely, but the danger existed in gas burning kiln is larger, sfgd. is less, so directly gas burning kiln can not be applied to.
Summary of the invention
For overcoming the deficiency in above-mentioned technology, the object of the invention is to: a kind of gas burning kiln automatic reversing apparatus is provided, can eliminate owing to commutating not in place and potential safety hazard that is that cause, ensureing safety in production.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is:
Described gas burning kiln automatic reversing apparatus, gas burning kiln automatic reversing apparatus, comprise master control cabinet, the left flashboard of kiln and the right flashboard of kiln, master control cabinet is provided with the time relay and PLC, the time relay is connected with PLC, the external three road signal wires of described PLC, first via signal wire connects left electromagnetic valve for natural gas, left compressed air electromagnetic valve and right panel put in place magnetic valve, second road signal wire connects right electromagnetic valve for natural gas, right compressed air electromagnetic valve and left plate put in place magnetic valve, 3rd road signal wire connects commutation actuating motor, commutation actuating motor both sides connect the left flashboard of kiln and the right flashboard of kiln respectively, the left flashboard of kiln and the right flashboard of kiln respectively correspondence arrange left to level sensor and right to level sensor, left be connected respectively to put in place magnetic valve and right panel of left plate to level sensor and the right side to level sensor and put in place magnetic valve, autoalarm and commutation time-delay device is also provided with in master control cabinet, both are connected with PLC respectively.
The present invention arbitrarily sets the turnaround time of commutation actuating motor by the time relay; such as half an hour or one hour, after arriving turnaround time, warning device is reported to the police; time of fire alarming can be arranged as required; such as 5 seconds, after reporting to the police, operator obtained commutation information, if now do not need commutation; can by commutation time-delay device time delay commutation; if need normal commutation, then do not need to take any action, system will commutate by normal flow.
Change dextrad for left-hand below and concrete automatic reverse process be described:
The present invention is divided into manual mode and automatic mode two states.
In automatic mode, after warning device has been reported to the police, PLC will close left-hand electromagnetic valve for natural gas, then left-hand compressed air electromagnetic valve is being closed after having closed 1 second by feedback signal determination left-hand electromagnetic valve for natural gas, after again being closed by feedback signal determination left-hand compressed air electromagnetic valve, within 1 second, start commutation actuating motor afterwards, the right flashboard of kiln starts to mention, after putting in place, the right information that puts in place to level sensor reception is transferred to PLC by the right panel magnetic valve that puts in place, after judging, PLC sends dextrad compressed air electromagnetic valve start signal automatically, after confirming that dextrad compressed air electromagnetic valve is opened again, dextrad electromagnetic valve for natural gas start signal is sent after 1 second, then start time, rly. carried out timing, complete a commutation cycle.In whole commutation process; the signal wiring of circuit and PLC program and cooperatively interact; form interlock protection; only under the condition that left-hand electromagnetic valve for natural gas and left-hand compressed air electromagnetic valve are closed completely and the right flashboard of kiln puts in place; dextrad compressed air electromagnetic valve and dextrad electromagnetic valve for natural gas just can be opened successively, guarantee safe commutation.
In a manual mode; the time that the time relay is arranged is on commutating without any impact; but the opening and closing of each magnetic valve order is identical with automatic mode; function under automatic mode is still effective; only guaranteeing that each action of operator all performs situation about putting in place; just next step action can be carried out, otherwise PLC interlock protection will stop the operation of equipment.
Preferably, described master control cabinet cabinet face is provided with commutation time delay button, automatic button, hand push button, alarm button and scram button, commutation time delay button, automatic button, hand push button, alarm button is connected with PLC respectively with scram button, pressing commutation time delay button can coordinate commutation time-delay device to realize the time delay of commutation, delay time can be arranged voluntarily, press the full-automatic commutation action that automatic button can realize gas burning kiln, press the manual reverse of direction action that hand push button can realize gas burning kiln, scram button can realize the emergency outage of equipment in emergency situations, warning device can realize the warning of the equipment emergency state.
Preferably, described autoalarm is combined aural and visual alarm, sends sound, light two kinds of warning signal, convenient operation workman quick lock in alert locations, rapid action simultaneously.
Preferably, left to level sensor be rightly respectively equipped with put in place pilot lamp and the right side, a left side to level sensor and put in place pilot lamp, show the information that puts in place of the left flashboard of kiln and the right flashboard of kiln by left side pilot lamp and the right side pilot lamp that puts in place that puts in place.
Compared with prior art, the present invention has following beneficial effect:
The present invention is on the basis of original combustion heavy oil glass furnace automatic reverse system; programmed by circuit hardware connection and PLC and cooperatively interact; add interlock protection to increase; by the left and right information that puts in place judging the left and right flashboard of kiln to level sensor, in commutation process, as long as by there being an action not in place; or run abnormal; can stop commutation immediately, eliminate due to the potential safety hazard caused not in place that commutates, working stability is reliable.
Accompanying drawing explanation
Fig. 1 structured flowchart of the present invention.
Embodiment
Tie accompanying drawing explanation to be below described further the embodiment of the present invention:
As Fig. 1, gas burning kiln automatic reversing apparatus of the present invention, gas burning kiln automatic reversing apparatus, comprise master control cabinet, the left flashboard of kiln and the right flashboard of kiln, master control cabinet is provided with the time relay and PLC, the time relay is connected with PLC, the external three road signal wires of described PLC, first via signal wire connects left electromagnetic valve for natural gas, left compressed air electromagnetic valve and right panel put in place magnetic valve, second road signal wire connects right electromagnetic valve for natural gas, right compressed air electromagnetic valve and left plate put in place magnetic valve, 3rd road signal wire connects commutation actuating motor, commutation actuating motor both sides connect the left flashboard of kiln and the right flashboard of kiln respectively, the left flashboard of kiln and the right flashboard of kiln respectively correspondence arrange left to level sensor and right to level sensor, left be connected respectively to put in place magnetic valve and right panel of left plate to level sensor and the right side to level sensor and put in place magnetic valve, autoalarm and commutation time-delay device is also provided with in master control cabinet, both are connected with PLC respectively.
Wherein, master control cabinet cabinet face is provided with commutation time delay button, automatic button, hand push button, alarm button and scram button, commutation time delay button, automatic button, hand push button, alarm button is connected with PLC respectively with scram button, pressing commutation time delay button can coordinate commutation time-delay device to realize the time delay of commutation, delay time can be arranged voluntarily, press the full-automatic commutation action that automatic button can realize gas burning kiln, press the manual reverse of direction action that hand push button can realize gas burning kiln, scram button can realize the emergency outage of equipment in emergency situations, warning device can realize the warning of the equipment emergency state, autoalarm is combined aural and visual alarm, sends sound, light two kinds of warning signal, convenient operation workman quick lock in alert locations, rapid action simultaneously, left to level sensor be rightly respectively equipped with put in place pilot lamp and the right side, a left side to level sensor and put in place pilot lamp, show the information that puts in place of the left flashboard of kiln and the right flashboard of kiln by left side pilot lamp and the right side pilot lamp that puts in place that puts in place.
The present invention arbitrarily sets the turnaround time of commutation actuating motor by the time relay; such as half an hour or one hour, after arriving turnaround time, warning device is reported to the police; time of fire alarming can be arranged as required; such as 5 seconds, after reporting to the police, operator obtained commutation information, if now do not need commutation; can by commutation time-delay device time delay commutation; if need normal commutation, then do not need to take any action, system will commutate by normal flow.
Change dextrad for left-hand below and concrete automatic reverse process be described:
The present invention is divided into manual mode and automatic mode two states.
In automatic mode, after warning device has been reported to the police, PLC will close left-hand electromagnetic valve for natural gas, then left-hand compressed air electromagnetic valve is being closed after having closed 1 second by feedback signal determination left-hand electromagnetic valve for natural gas, after again being closed by feedback signal determination left-hand compressed air electromagnetic valve, within 1 second, start commutation actuating motor afterwards, the right flashboard of kiln starts to mention, after putting in place, the right information that puts in place to level sensor reception is transferred to PLC by the right panel magnetic valve that puts in place, after judging, PLC sends dextrad compressed air electromagnetic valve start signal automatically, after confirming that dextrad compressed air electromagnetic valve is opened again, dextrad electromagnetic valve for natural gas start signal is sent after 1 second, then start time, rly. carried out timing, complete a commutation cycle.In whole commutation process; the signal wiring of circuit and PLC program and cooperatively interact; form interlock protection; only under the condition that left-hand electromagnetic valve for natural gas and left-hand compressed air electromagnetic valve are closed completely and the right flashboard of kiln puts in place; dextrad compressed air electromagnetic valve and dextrad electromagnetic valve for natural gas just can be opened successively, guarantee safe commutation.
In a manual mode; the time that the time relay is arranged is on commutating without any impact; but the opening and closing of each magnetic valve order is identical with automatic mode; function under automatic mode is still effective; only guaranteeing that each action of operator all performs situation about putting in place; just next step action can be carried out, otherwise PLC interlock protection will stop the operation of equipment.
The present invention is on the basis of original combustion heavy oil glass furnace automatic reverse system; programmed by circuit hardware connection and PLC and cooperatively interact; add interlock protection to increase; by the left and right information that puts in place judging the left and right flashboard of kiln to level sensor, in commutation process, as long as by there being an action not in place; or run abnormal; can stop commutation immediately, eliminate due to the potential safety hazard caused not in place that commutates, working stability is reliable.
Claims (4)
1. a gas burning kiln automatic reversing apparatus, comprise master control cabinet, the left flashboard of kiln and the right flashboard of kiln, master control cabinet is provided with the time relay and PLC, the time relay is connected with PLC, it is characterized in that, the external three road signal wires of described PLC, first via signal wire connects left electromagnetic valve for natural gas, left compressed air electromagnetic valve and right panel put in place magnetic valve, second road signal wire connects right electromagnetic valve for natural gas, right compressed air electromagnetic valve and left plate put in place magnetic valve, 3rd road signal wire connects commutation actuating motor, commutation actuating motor both sides connect the left flashboard of kiln and the right flashboard of kiln respectively, the left flashboard of kiln and the right flashboard of kiln respectively correspondence arrange left to level sensor and right to level sensor, left be connected respectively to put in place magnetic valve and right panel of left plate to level sensor and the right side to level sensor and put in place magnetic valve, autoalarm and commutation time-delay device is also provided with in master control cabinet, both are connected with PLC respectively.
2. gas burning kiln automatic reversing apparatus according to claim 1, it is characterized in that, described master control cabinet cabinet face is provided with commutation time delay button, automatic button, hand push button, alarm button and scram button, and commutation time delay button, automatic button, hand push button, alarm button are connected with PLC respectively with scram button.
3. gas burning kiln automatic reversing apparatus according to claim 1, is characterized in that, described autoalarm is combined aural and visual alarm.
4. gas burning kiln automatic reversing apparatus according to claim 1, is characterized in that, a described left side is to level sensor and right be respectively equipped with put in place pilot lamp and the right side, a left side to level sensor and put in place pilot lamp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750834.XA CN104743770A (en) | 2013-12-31 | 2013-12-31 | Automatic reversing device of fuel gas kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310750834.XA CN104743770A (en) | 2013-12-31 | 2013-12-31 | Automatic reversing device of fuel gas kiln |
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| Publication Number | Publication Date |
|---|---|
| CN104743770A true CN104743770A (en) | 2015-07-01 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310750834.XA Pending CN104743770A (en) | 2013-12-31 | 2013-12-31 | Automatic reversing device of fuel gas kiln |
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| CN (1) | CN104743770A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479488A (en) * | 2017-09-22 | 2017-12-15 | 四川东林矿山运输机械有限公司 | Ore storage bin automatic control system |
-
2013
- 2013-12-31 CN CN201310750834.XA patent/CN104743770A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107479488A (en) * | 2017-09-22 | 2017-12-15 | 四川东林矿山运输机械有限公司 | Ore storage bin automatic control system |
| CN107479488B (en) * | 2017-09-22 | 2023-09-22 | 四川东林重工科技股份有限公司 | Automatic control system for ore bin |
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Application publication date: 20150701 |