CN114518039A - Be applied to chlorination furnace fast switch over device of chlorination process production line - Google Patents
Be applied to chlorination furnace fast switch over device of chlorination process production line Download PDFInfo
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- CN114518039A CN114518039A CN202210230558.3A CN202210230558A CN114518039A CN 114518039 A CN114518039 A CN 114518039A CN 202210230558 A CN202210230558 A CN 202210230558A CN 114518039 A CN114518039 A CN 114518039A
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- Prior art keywords
- chlorination
- process production
- production line
- switching
- power supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D19/00—Arrangements of controlling devices
- F27D2019/0087—Automatisation of the whole plant or activity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D21/00—Arrangements of monitoring devices; Arrangements of safety devices
- F27D2021/0057—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects
- F27D2021/0092—Security or safety devices, e.g. for protection against heat, noise, pollution or too much duress; Ergonomic aspects against a jam in the transport line or a production interruption
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Safety Devices In Control Systems (AREA)
Abstract
The invention belongs to the technical field of control systems, and particularly relates to a chlorination furnace fast switching device applied to chlorination process production lines, which is used for fast switching control of chlorination furnaces in at least two chlorination process production lines, wherein each chlorination process production line is provided with two chlorination furnaces in a one-use-one-standby mode, the chlorination furnace fast switching device comprises a standard cabinet integrated with various control components, and the various control components comprise a circuit breaker, a wiring terminal block, a 24V relay, a 24V switching power supply, a redundancy module and a change-over switch. The invention enables the equipment transmission signal to be input into different control system loops so as to realize the cut-in of the device to different systems; the switching device adopts a cross power supply mode, so that the system load can be reduced, and the safety and the stability of the system are improved; the utilization rate of chlorination furnace equipment in the chlorination process production can be maximized, the extension of a chlorination process production line is completed, and the chlorination process production is not limited to chlorination process production and has high compatibility with other production systems.
Description
Technical Field
The invention belongs to the technical field of control systems, and particularly relates to a chlorination furnace fast switching device applied to a chlorination process production line.
Background
When a chlorination process production system normally operates, under a normal operation mode, the chlorination furnace of each production line is configured according to 'one use and one standby', and for the two current chlorination process production lines, the operation mode of the chlorination furnace is 'two use and two standby'. The spare chlorination furnace can be usually placed for more than half a year to one year, and two spare chlorination furnaces can cause great waste to the existing resources.
How to expand a new production line under the condition of not building a new chlorination furnace, realize three-purpose one-standby of the chlorination furnace, reduce the investment cost of expanding the new production line, meet the production maintenance requirements and realize the maximization of equipment utilization of the chlorination furnace becomes a technical problem which needs to be solved urgently in the field.
Disclosure of Invention
The invention aims to provide a chlorination furnace fast switching device applied to a chlorination process production line, which realizes fast switching of original equipment signals between two sets of control systems and improves the utilization rate of the existing equipment.
The invention adopts the following technical scheme:
a chlorination furnace fast switching device applied to chlorination process production lines is used for fast switching control of chlorination furnaces in at least two chlorination process production lines, each chlorination process production line is provided with two chlorination furnaces in a one-to-one mode, and each chlorination process production line is provided with a set of DCS control system;
The chlorination furnace fast switching device comprises a standard cabinet integrated with various control components, and the various control components comprise a circuit breaker, a wiring terminal block, a 24V relay, a 24V switching power supply, a redundant module and a change-over switch;
the circuit breaker is used for controlling the on-off of a 220V access power supply of a 24V switching power supply;
the terminal block comprises a positive terminal block and a negative terminal block, and a plurality of 24V relays are connected in parallel between the positive terminal block and the negative terminal block;
the 24V relays are used for switching measurement signals of the chlorination furnaces, the measurement signals of one chlorination furnace are switched through normally open/normally closed contacts of two 24V relays arranged in pairs, each 24V relay is at least provided with a common signal access contact and two output contacts, one of the two output contacts is a normally open contact, and the other output contact is a normally closed contact; the method comprises the steps that on-site instrument signal wires of each chlorination furnace are correspondingly connected with signal access contacts of two 24V relays arranged in pairs one by one, a normally open contact of each 24V relay is connected into one set of DCS control system, a normally closed contact is connected into the other set of DCS control system, the connection sequence of the normally open contacts and the normally closed contacts of the two 24V relays arranged in pairs and the connection sequence of the two corresponding sets of DCS control systems are reversed, and the power-on state and the power-off state of coils of the two corresponding 24V relays are opposite;
The 24V switching power supply converts a 220V access power supply into a 24V output power supply to supply power for the chlorination furnace fast switching device;
the redundancy module is used for realizing the switching use of two groups of 24V switching power supplies;
the change-over switch is used for switching the power-on and power-off of the coils of the two 24V relays arranged in pairs;
redundant module, change over switch, anodal binding post row, 24V relay, negative pole binding post row establish ties in proper order and form two fast switch-over return circuits, two in the fast switch-over return circuit, when one is in the state of getting electric, another is in the state of losing electric for control two 24V relays that set up in pairs get electric and lose electric. Preferably, each fast switching loop is provided with a fuse, and the fuses are connected in series between the corresponding positive terminal block and the 24V relay. The fuse is arranged, so that the maintenance difficulty of the whole system in the production process can be reduced.
Preferably, the change-over switch adopts a redundant switch with an indicator light, and through redundant configuration, the circuit problem of a single loop is avoided, and the fault tolerance of the whole system can be improved.
Preferably, a self-checking module is arranged in each fast switching loop and used for realizing a loop detection function and sending fault information. Various production abnormal conditions caused by line problems are prevented in the normal production process, and operators on duty are informed to timely eliminate system abnormity through daily routing inspection.
The invention also comprises other equipment or components which can be normally used by the fast switching device of the chlorination furnace applied to the chlorination process production line, and the equipment or the components adopt the conventional technical means in the field. In addition, the devices and components not limited in the present invention are all implemented by means of the conventional technologies in the art, for example, the DCS control system, the circuit breaker, the positive terminal block, the negative terminal block, the 24V relay, the 24V switching power supply, the redundancy module, the transfer switch, the redundancy switch with indicator light, the fuse, etc. in the present invention are implemented by products known to those skilled in the art, and the specific models and parameters thereof can be selected by those skilled in the art according to common knowledge and actual requirements.
The working principle of the invention is that the invention enables the equipment transmission signal to be input into different control system loops so as to realize the cut-in of the device to different systems; the 24V relay adopts an alternate power supply mode, so that the heating of the 24V relay and the load of a 24V switching power supply in the normal production process can be reduced, and the impact generated in the switching process can be reduced; the invention adopts a unique wiring mode to lead the equipment signal into the corresponding control system completely, and realizes the expansion of the control system on the original equipment of the production system.
The beneficial effects of the invention are:
1) the control system can be expanded on the original equipment of the production system;
2) the switching device adopts a cross power supply mode inside, so that the load of the whole set of system can be reduced;
3) the fault tolerance of the system in the normal production process can be improved by arranging the redundancy module, the redundancy switch and the self-checking module;
4) the invention is not limited to chlorination production, is suitable for production systems meeting the requirements in other industries, and has greater compatibility with other production systems;
5) the invention can maximize the utilization rate of chlorination furnace equipment in the chlorination process production, complete the expansion of the chlorination process production line, realize the switching of signals among different systems and reduce the loss of manpower and financial resources.
Drawings
The invention is further illustrated by the following examples in conjunction with the drawings.
Fig. 1 is a layout structure diagram of control components on the front side of a standard cabinet according to the present invention in the embodiment.
Fig. 2 is a layout structure diagram of control components on the back of the standard cabinet according to the embodiment of the present invention.
FIG. 3 is a control logic diagram of a portion of the present invention in an embodiment.
FIG. 4 is a schematic diagram of control logic of another part of the present invention in an embodiment.
Detailed Description
The present invention will be described more clearly with reference to the drawings of the embodiments of the present invention and the specific embodiments, and the description herein is only for the purpose of explaining the present invention and is not to be taken as limiting the present invention. All other embodiments, which can be obtained by those skilled in the art without any inventive step based on the embodiments of the present invention, should be included in the scope of the present invention.
Examples
Referring to fig. 1 to 4, the fast switching device for chlorination furnaces in a chlorination production line provided by the invention is used for fast switching control of chlorination furnaces in two chlorination production lines, wherein each chlorination production line is provided with two chlorination furnaces for one use; the DCS control systems of two chlorination process production lines are defined as a 1# DCS control system and a 2# DCS control system respectively.
Chlorination furnace fast switch device is including the standard rack 1 that integrates multiple control components and parts, and is multiple control components and parts include circuit breaker 2, binding post row, 24V relay 7, 24V switching power supply 3, redundant module 4 and change over switch 8.
The circuit breaker 2 is used for controlling the on-off of a 220V access power supply of the 24V switching power supply 3.
The binding post row includes anodal binding post row 5 and negative pole binding post row 6, it has 240 relays 7 to connect in parallel between anodal binding post row 5 and the negative pole limit terminal row 6.
The 24V relays 7 are used for switching measurement signals of the chlorination furnaces, the measurement signals of one chlorination furnace are switched through normally open/normally closed contacts in two 24V relays 7 which are arranged in pairs respectively, each 24V relay 7 is provided with a common signal access contact and two output contacts, one of the two output contacts is a normally open contact, and the other output contact is a normally closed contact; the field instrument signal line with two chlorination furnaces on two production lines is connected with the signal access contact one-to-one of two 24V relays 7 that set up in pairs, in two 24V relays 7 that set up in pairs, the normally open contact of a 24V relay 7 inserts among the 1# DCS control system, the normally closed contact inserts among the 2# DCS control system, the normally open contact of another 24V relay 7 inserts among the 2# DCS control system, the normally closed contact inserts among the 1# DCS control system, make the electric state of getting of the coil of two 24V relays 7 that correspond opposite with the state of losing power.
The 24V switch power supply 3 converts a 220V access power supply into a 24V output power supply to supply power for the chlorination furnace fast switching device.
The redundant module 4 is used for realizing the switching use of the two groups of 24V switching power supplies 3.
The change-over switch 8 is used for switching the power-on and power-off of the coils of the two 24V relays 7 arranged in pairs.
As a further improvement of the above embodiment, a fuse 9 is provided in each of the fast switching circuits, and the fuse 9 is connected in series between the corresponding positive terminal block 5 and the 24V relay 7. The invention can reduce the maintenance difficulty of the whole system in the production process by arranging the fuse 9.
As a further improvement of the above embodiment, the change-over switch 8 adopts a redundant switch with an indicator light, and through a redundant configuration, a line problem of a single loop is avoided, and the fault tolerance of the whole system can be improved.
As a further improvement of the above embodiment, a self-test module (not shown in the figure) is disposed in each fast switching loop, and is used for implementing a loop detection function and sending fault information. Various production abnormal conditions caused by line problems are prevented in the normal production process, and operators on duty are informed to timely eliminate system abnormity through daily routing inspection.
The working principle of the invention is that the equipment transmission signal is input into different control system loops to realize the cut-in of the device to different systems; the 24V relay 7 adopts an alternate power supply mode, so that the heating of the 24V relay 7 and the load of the 24V switching power supply 3 in the normal production process can be reduced, and the impact generated in the switching process is reduced; the invention adopts a unique wiring mode to lead the equipment signals into the corresponding control system completely, and realizes the expansion of the control system on the original equipment of the production system.
Application example
In practical application, for example, a third chlorination production line is extended on the basis of two chlorination production lines and four chlorination furnaces ("dual preparation"), when a No. 1 chlorination production line uses a No. 1 chlorination furnace for production, a No. 2 chlorination production line is newly added for production using a No. 2 chlorination furnace, and a No. 3 chlorination production line uses a No. 4 chlorination furnace for production, the No. 3 chlorination furnace is maintained and used in a standby state. Supposing that the 1# line needs to be turned over and switched due to equipment problems, the DCS control system of the 2# chlorination production line can be switched to the 3# chlorination furnace to be ignited, the control right of the 2# chlorination furnace is switched to the 1# chlorination production line to be normally produced, and meanwhile, the 3# chlorination production line is normally produced, so that the 1# chlorination furnace can immediately perform subsequent work such as emptying and repairing. The invention realizes the rapid processing of the abnormal production condition without using any manpower and material resources. When the production lines are enough, if N production lines are used for producing together, the switching device can meet the production requirement of 1 spare for (N +1) by only needing (N-1) sets, and the spare chlorination furnace can be switched to maintain production in time in response to various sudden abnormal conditions.
While embodiments of the present invention have been described above, the above description is intended to be exemplary, not exhaustive, and not limited to the disclosed embodiments. Many modifications and variations will be apparent to those of ordinary skill in the art without departing from the scope and spirit of the illustrated embodiments.
Claims (4)
1. The utility model provides a be applied to chlorination furnace fast switch over device of chlorination process production line for the fast switch over control of the chlorination furnace in at least two chlorination process production lines, every chlorination process production line disposes two chlorination furnaces according to one with one, and every chlorination process production line disposes one set of DCS control system separately, its characterized in that:
the chlorination furnace fast switching device comprises a standard cabinet integrated with various control components, and the various control components comprise a circuit breaker, a wiring terminal block, a 24V relay, a 24V switching power supply, a redundant module and a change-over switch;
the circuit breaker is used for controlling the on-off of a 220V access power supply of a 24V switching power supply;
the wiring terminal strip comprises a positive wiring terminal strip and a negative wiring terminal strip, and a plurality of 24V relays are connected in parallel between the positive wiring terminal strip and the negative wiring terminal strip;
The 24V relays are used for switching measurement signals of the chlorination furnaces, the measurement signals of one chlorination furnace are switched through normally open/normally closed contacts of two 24V relays arranged in pairs, each 24V relay is at least provided with a common signal access contact and two output contacts, one of the two output contacts is a normally open contact, and the other output contact is a normally closed contact; the method comprises the steps that on-site instrument signal wires of each chlorination furnace are correspondingly connected with signal access contacts of two 24V relays arranged in pairs one by one, a normally open contact of each 24V relay is connected into one set of DCS control system, a normally closed contact is connected into the other set of DCS control system, the connection sequence of the normally open contacts and the normally closed contacts of the two 24V relays arranged in pairs and the connection sequence of the two corresponding sets of DCS control systems are reversed, and the power-on state and the power-off state of coils of the two corresponding 24V relays are opposite;
the 24V switching power supply converts a 220V access power supply into a 24V output power supply to supply power for the chlorination furnace fast switching device;
the redundancy module is used for realizing switching use of two groups of 24V switching power supplies;
the change-over switch is used for switching the power-on and power-off of the coils of the two 24V relays arranged in pairs;
Redundant module, change over switch, anodal binding post row, 24V relay, negative pole binding post row establish ties in proper order and form two fast switch-over return circuits, two in the fast switch-over return circuit, when one is in the state of getting electric, another is in the state of losing electric for control two 24V relays that set up in pairs get electric and lose electric.
2. A chlorination furnace fast switching device applied to a chlorination process production line according to claim 1, characterized in that: and each quick switching loop is internally provided with a fuse which is connected between the corresponding positive terminal block and the 24V relay in series.
3. The chlorination furnace fast switching device applied to the chlorination process production line according to claim 1 is characterized in that: the change-over switch adopts a redundant switch with an indicator light.
4. The chlorination furnace fast switching device applied to the chlorination process production line according to any one of claims 1 to 3, characterized in that: and each quick switching loop is internally provided with a self-checking module for realizing the loop detection function and sending fault information.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230558.3A CN114518039A (en) | 2022-03-09 | 2022-03-09 | Be applied to chlorination furnace fast switch over device of chlorination process production line |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210230558.3A CN114518039A (en) | 2022-03-09 | 2022-03-09 | Be applied to chlorination furnace fast switch over device of chlorination process production line |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114518039A true CN114518039A (en) | 2022-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210230558.3A Pending CN114518039A (en) | 2022-03-09 | 2022-03-09 | Be applied to chlorination furnace fast switch over device of chlorination process production line |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114518039A (en) |
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2022
- 2022-03-09 CN CN202210230558.3A patent/CN114518039A/en active Pending
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