CN112723966A - Safety interlocking protection system and method for automatic explosive production line - Google Patents
Safety interlocking protection system and method for automatic explosive production line Download PDFInfo
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- CN112723966A CN112723966A CN202011423938.6A CN202011423938A CN112723966A CN 112723966 A CN112723966 A CN 112723966A CN 202011423938 A CN202011423938 A CN 202011423938A CN 112723966 A CN112723966 A CN 112723966A
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- 239000002360 explosive Substances 0.000 title claims abstract description 64
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 64
- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000004806 packaging method and process Methods 0.000 claims abstract description 108
- 239000000839 emulsion Substances 0.000 claims abstract description 97
- 239000011159 matrix material Substances 0.000 claims abstract description 56
- 206010070834 Sensitisation Diseases 0.000 claims abstract description 42
- 230000008313 sensitization Effects 0.000 claims abstract description 42
- 238000013500 data storage Methods 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000002994 raw material Substances 0.000 claims abstract description 18
- 235000013336 milk Nutrition 0.000 claims description 108
- 239000008267 milk Substances 0.000 claims description 108
- 210000004080 milk Anatomy 0.000 claims description 108
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 90
- 239000004816 latex Substances 0.000 claims description 70
- 229920000126 latex Polymers 0.000 claims description 70
- 239000004088 foaming agent Substances 0.000 claims description 41
- 239000000463 material Substances 0.000 claims description 39
- 230000003068 static effect Effects 0.000 claims description 23
- 238000002156 mixing Methods 0.000 claims description 21
- 230000001105 regulatory effect Effects 0.000 claims description 13
- 239000003814 drug Substances 0.000 claims description 10
- 238000004945 emulsification Methods 0.000 claims description 10
- 238000010438 heat treatment Methods 0.000 claims description 10
- 230000003111 delayed effect Effects 0.000 claims description 9
- PAWQVTBBRAZDMG-UHFFFAOYSA-N 2-(3-bromo-2-fluorophenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(Br)=C1F PAWQVTBBRAZDMG-UHFFFAOYSA-N 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 8
- 230000033228 biological regulation Effects 0.000 claims description 6
- 238000005070 sampling Methods 0.000 claims description 5
- 238000001514 detection method Methods 0.000 claims description 4
- 239000004615 ingredient Substances 0.000 claims description 4
- 238000010992 reflux Methods 0.000 claims description 4
- 230000002159 abnormal effect Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 claims description 3
- 239000000498 cooling water Substances 0.000 claims description 3
- 238000009826 distribution Methods 0.000 claims description 3
- 230000001804 emulsifying effect Effects 0.000 claims description 3
- 238000011958 production data acquisition Methods 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 235000020185 raw untreated milk Nutrition 0.000 claims description 2
- 238000012377 drug delivery Methods 0.000 claims 1
- 238000012544 monitoring process Methods 0.000 abstract description 11
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000004140 cleaning Methods 0.000 description 6
- 230000006870 function Effects 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- 238000001816 cooling Methods 0.000 description 4
- 239000003995 emulsifying agent Substances 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- VWDWKYIASSYTQR-UHFFFAOYSA-N sodium nitrate Chemical compound [Na+].[O-][N+]([O-])=O VWDWKYIASSYTQR-UHFFFAOYSA-N 0.000 description 4
- 238000003860 storage Methods 0.000 description 4
- 238000005086 pumping Methods 0.000 description 3
- 230000001276 controlling effect Effects 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- 238000005187 foaming Methods 0.000 description 2
- 238000011068 loading method Methods 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 235000010344 sodium nitrate Nutrition 0.000 description 2
- 239000004317 sodium nitrate Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004092 self-diagnosis Methods 0.000 description 1
- 230000001235 sensitizing effect Effects 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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Classifications
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- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
- C06B21/0008—Compounding the ingredient
-
- C—CHEMISTRY; METALLURGY
- C06—EXPLOSIVES; MATCHES
- C06B—EXPLOSIVES OR THERMIC COMPOSITIONS; MANUFACTURE THEREOF; USE OF SINGLE SUBSTANCES AS EXPLOSIVES
- C06B21/00—Apparatus or methods for working-up explosives, e.g. forming, cutting, drying
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/418—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM]
- G05B19/41875—Total factory control, i.e. centrally controlling a plurality of machines, e.g. direct or distributed numerical control [DNC], flexible manufacturing systems [FMS], integrated manufacturing systems [IMS] or computer integrated manufacturing [CIM] characterised by quality surveillance of production
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/32—Operator till task planning
- G05B2219/32368—Quality control
-
- 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)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- General Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Dairy Products (AREA)
Abstract
The invention discloses a safety interlock protection system and a method of an explosive automatic production line, and the system comprises a master control unit, an emulsion making unit, a sensitization charging unit and a packaging unit, wherein the emulsion making unit comprises an emulsion making control module, an emulsion making data storage module, an emulsion making driving and adjusting module and an emulsion making data acquisition module, the emulsion making control module is used for closed-loop control of the emulsion making unit for preparing an emulsion matrix, the emulsion making data storage module is used for storing supply requirement values and proportioning curves of various raw materials of the emulsion matrix, the emulsion making driving and adjusting module is used for adjusting the supply states of various raw materials of the emulsion matrix, and the emulsion making data acquisition module is used for acquiring real-time data of various raw materials of the emulsion matrix. The production line has high automation informatization degree, can monitor the flow, temperature, liquid level, pressure and equipment state in the whole production process, ensures the integral stability of the production system, and is beneficial to monitoring the equipment state of the production line.
Description
Technical Field
The invention relates to the field of automatic explosive production, in particular to a safety interlocking protection system and a safety interlocking protection method for an automatic explosive production line.
Background
The main working procedures of the production of the emulsion explosive comprise the working procedures of raw material preparation, water-oil phase preparation, oil-water phase conveying, emulsification, explosive charge sensitization, cartridge cooling, packaging and the like, wherein each working procedure is provided with a corresponding production line, specifically comprising complete production equipment and instruments such as a water-oil phase preparation system, an emulsion pharmaceutical system, a sensitized explosive charge system, a cooling and conveying system, an automatic packaging system and the like, and all production system lines are sequentially connected to form the whole emulsion explosive production line, for example, the Chinese patent with the application number of 201310557097.1 discloses a packaging line for columnar explosives; the invention discloses a Chinese patent with application number of 201310071394.5, and discloses a straight-falling type box filling machine and a packaging line, which can automatically arrange and package columnar explosives.
However, the existing production line safety interlocking protection system is not perfect enough, for example, the chinese utility model patent with application number 201620078001.2 discloses an explosive linkage production system, which can not make timely and accurate intelligent judgment according to the actual production condition. That is, the milk making and the medicine charging and the packaging can not realize the following intelligent matching, resulting in low whole-line productivity; the system can only realize simple safe interlocking shutdown of front and back procedures, cannot realize an intelligent matching system of energy production, has no self-diagnosis function and has insufficient operation stability; after the interlocking protection is carried out, the production quality is easy to be unstable.
Disclosure of Invention
The invention provides a safety interlocking protection system and a method for an explosive automatic production line, aiming at overcoming the defects of the prior art, the system has a perfect safety interlocking protection function, and when the running values of equipment and process parameters exceed set values, the system can automatically start the protection function and automatically adjust the process.
The invention relates to a safety interlocking protection system of an explosive automatic production line, which comprises a master control unit, an emulsion control unit, a sensitization charging unit and a packaging unit,
the system comprises a milk making unit, a milk making unit and a milk mixing unit, wherein the milk making unit comprises a milk making control module, a milk making data storage module, a milk making driving and adjusting module and a milk making data acquisition module, the milk making control module is electrically connected with the milk making data storage module, the milk making driving and adjusting module and the milk making data acquisition module, the milk making control module is used for closed-loop control of the milk making unit for preparing the latex matrix, the milk making data storage module is used for storing supply requirement values and proportioning curves of all raw materials of the latex matrix, the milk making driving and adjusting module is used for adjusting the supply states of all raw materials of the latex matrix, and the milk making data acquisition module is used for acquiring real-time data of all raw;
the sensitized charging unit comprises a sensitized charging control module, a sensitized charging data storage module, a sensitized charging driving adjustment module and a sensitized charging data acquisition module, wherein the sensitized charging control module is electrically connected with the sensitized charging data storage module, the sensitized charging driving adjustment module and the sensitized charging data acquisition module;
the packaging unit comprises a packaging control module, a packaging data storage module, a packaging driving adjusting module and a packaging data acquisition module, wherein the packaging control module is electrically connected with the packaging data storage module, the packaging driving adjusting module and the packaging data acquisition module, the packaging control module is used for closed-loop control of emulsion explosive packaging, the packaging data storage module is used for storing the packaging quantity of the emulsion explosive, the packaging driving adjusting module is used for adjusting the packaging speed of the emulsion explosive, and the packaging data acquisition module is used for counting the packaging quantity of the emulsion explosive;
the total control unit comprises a total control module, the total control module is in communication connection with the milk control module, the sensitization charging control module and the packaging control module, the total control module is used for performing closed-loop control on the milk control unit, the sensitization charging unit and the packaging unit, and the running speed of each unit is monitored in real time to achieve dynamic balance of productivity.
Furthermore, the milk production driving and adjusting module comprises a water phase tank temperature control adjusting valve, a hot water tank temperature control valve, a water phase discharge valve and a water phase reflux valve which are arranged according to the water phase supply sequence,
an oil phase tank temperature control regulating valve and an oil phase discharging valve which are arranged according to the oil phase supply sequence,
a coarse emulsion tank discharge valve, a matrix pump discharge valve, an emulsion bin feed valve, an emulsion pump discharge valve and a medicine outlet three-way valve which are arranged according to the emulsification sequence;
the milk production data acquisition module comprises a water phase mass flow meter, a water phase liquid level meter and a water phase tank temperature transmitter which are arranged according to the water phase supply sequence,
an oil phase mass flowmeter, an oil phase liquid level meter and an oil phase tank temperature transmitter which are arranged according to the oil phase supply sequence,
the system comprises a raw milk tank material level meter, a matrix pump temperature pressure transmitter, a static mixing pressure transmitter and a hot water tank temperature transmitter which are arranged according to an emulsifying sequence, wherein the hot water tank temperature transmitter is used for collecting the temperature of a hot water tank for supplying water phase and oil phase for heating.
Still further preferably, the milk production drive regulation module further comprises a blowdown valve, a matrix sampling valve.
Furthermore, the sensitized charging driving and adjusting module comprises a foaming agent pump sensitized by the supply and static mixing of a foaming agent, a foaming agent flow adjusting valve, a static mixing inlet switching valve and a static mixing outlet switching valve,
the sensitized charging data acquisition module comprises a latex pump pressure transmitter, a mixer outlet pressure transmitter, an outlet temperature transmitter and a foaming agent amount flowmeter.
Furthermore, the latex bin feed valve comprises a first latex bin feed valve and a second latex bin feed valve, the latex pump discharge valve comprises a first latex pump discharge valve and a second latex pump discharge valve,
the emulsion pump pressure transmitter comprises a first emulsion pump pressure transmitter and a second emulsion pump pressure transmitter,
the mixer outlet pressure transmitter comprises a first mixer outlet pressure transmitter, a second mixer outlet pressure transmitter,
the outlet temperature transmitter comprises a first outlet temperature transmitter and a second outlet temperature transmitter,
the foaming agent dosage flowmeter comprises a first foaming agent dosage flowmeter and a second foaming agent dosage flowmeter.
Further, the package driving adjustment module comprises a belt conveyer for conveying the emulsion explosive which has been preliminarily packaged into a columnar shape and soaked for cooling,
the package data acquisition module comprises a columnar material gripping device, and the columnar material gripping device is used for gripping the emulsion explosive on the belt conveying device.
A protection method of a safety interlock protection system based on an automatic explosive production line comprises the following steps:
s1, starting the machine, inputting a yield value through the master control unit, sending an instruction to the milk control module by the milk control module to prepare the latex matrix, reading the proportioning data of each raw material for preparing the latex matrix in the milk control data storage module by the milk control module, and sending an instruction to the milk control drive adjusting module to prepare the latex matrix;
s2, after the quality of the emulsion matrix is manually confirmed, sending a command to a sensitized charging control module through a master control module of a master control unit, reading the matching data of the emulsion matrix and the foaming agent in a sensitized charging data storage module by the sensitized charging control module, and sending the command to a sensitized charging driving and adjusting module to mix and sensitize the emulsion matrix and the foaming agent to prepare the emulsion explosive; after a certain time delay, the master control unit sends an instruction to the packaging control module, the emulsion explosive is packaged into a column shape and is soaked and cooled, the packaging data acquisition module measures the packaging quantity of the emulsion explosive and stores the packaging quantity in the packaging data storage module, and the packaging control module feeds the packaging quantity of the emulsion explosive back to the master control module;
s3, the milk making data acquisition module acquires the supply state of each raw material of the latex matrix in real time and feeds the supply state back to the milk making control module for closed-loop control;
the sensitized charging data acquisition module acquires the supply states of the latex matrix and the foaming agent in real time and feeds the supply states back to the sensitized charging control module for closed-loop control;
the production quantity of the emulsion explosive is counted in real time by the packaging data acquisition module and is sent to the master control module, the master control module monitors the running speed of each unit in real time, closed-loop control is carried out to achieve dynamic balance of productivity, and when the preset productivity is completed, the emulsion making unit, the sensitization charging unit and the packaging unit are stopped in a delayed mode in sequence.
Further, the closed-loop control of the milk production unit comprises material interlocking, temperature liquid level protection, flow out-of-range protection, pressure out-of-limit protection, overload protection, liquid ammonium nitrate deluge device and temperature interlocking,
the closed-loop control of the sensitization charging unit comprises material distribution interlocking, temperature liquid level protection, flow out-of-range protection, pressure out-of-limit protection, water cut-off protection, overload protection, charging machine and sensitization interlocking,
the ingredient interlocking comprises that when the process temperature exceeds the range of a set value, the system stops feeding and does not start stirring,
the temperature liquid level protection comprises the automatic temperature regulation and control, the linkage protection of liquid level feeding and discharging is realized,
the flow out-of-range protection comprises that the system judges the relation between the flow and the productivity, can automatically adjust when exceeding the limit,
the pressure overrun protection comprises multi-stage pressure detection and automatic judgment of pressure difference, and is stopped immediately when overrun or sensing is abnormal,
the overload protection comprises motor overload shutdown protection and current overrun alarm,
the liquid ammonium nitrate deluge device and the temperature linkage comprise that the deluge system can be automatically opened when the temperature is over-temperature,
the water-break protection comprises that the mixer and the charging machine can automatically delay the shutdown and alarm when the cooling water of the mixer and the charging machine is in a flow-break state,
the linkage of the latex material level and the rotating speed comprises the balance of the material level and the automatic adjustment of the rotating speed, the system can alarm and stop when the material level is low,
the charge machine and the sensitization linkage comprise charge machine starting, and the latex and the foaming agent are added simultaneously according to the proportion.
Further specifically, the closed-loop control of the general control module includes:
when the speed of the packaging unit is reduced or increased, the speed of the sensitized charging unit is controlled to be reduced or increased and is matched with the speed of the packaging unit;
when the speed of the sensitization charging unit is reduced, the milk making unit automatically reduces the productivity and is matched with the sensitization charging unit to maintain balance;
when the speed of the sensitization charging unit is increased, the milk making unit automatically improves the productivity and continuously supplies materials;
when the packaging unit stops, the milk making unit and the sensitization charging unit enter a shutdown procedure;
when the milk making unit stops, the sensitization charging unit stops in a delayed way;
when the sensitized charging unit stops, the packaging unit stops in a delayed mode;
when the device is in normal operation, the package, the charge and the emulsification are self-regulated and dynamically regulated and kept in balance according to the set productivity.
Furthermore, the prepared latex matrix can be added into a mixing truck or stored for standby through the medicine outlet three-way valve.
Compared with the prior art, the invention has the following characteristics:
1. the production line has high automation informatization degree, can monitor the states of flow, temperature, liquid level, pressure and equipment in the whole production process, ensures the integral stability of a production system, is beneficial to monitoring the states of the equipment in the production line, automatically diagnoses faults, has interlocking and self-locking interlocking protection functions, automatically reduces the productivity through the interlocking protection function when a certain unit breaks down, automatically recovers to a normal state according to the corresponding production rate after the faults are relieved, and ensures the fastest production speed in the process of safety production.
2. The milk making unit, the sensitization charging unit and the packaging unit are respectively controlled in a closed loop mode, so that the independence and the orderliness of all working procedures are guaranteed, mutual interference is avoided, the units are further controlled in a closed loop mode through the master control unit, and the stability of the quality of a produced product is guaranteed; in addition, the production process can realize automatic ordered production only by inputting the required capacity through the master control unit.
Drawings
FIG. 1 is a schematic view of the production flow of an automatic explosive production line;
FIG. 2 is a schematic flow diagram of an automated packaging system;
FIG. 3 is a schematic view of monitoring points of an automatic explosive production line.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.
As shown in figures 1 and 3, the safety interlocking protection system of the automatic explosive production line comprises a master control unit, an emulsion control unit, a sensitization charging unit and a packaging unit,
the system comprises a milk making unit, a milk making unit and a milk making unit, wherein the milk making unit comprises a milk making control module, a milk making data storage module, a milk making driving and adjusting module and a milk making data acquisition module, the milk making control module is electrically connected with the milk making data storage module, the milk making driving and adjusting module and the milk making data acquisition module, the milk making control module is used for closed-loop control of the milk making unit for preparing the latex matrix, the milk making data storage module is used for storing supply requirement values and proportioning curves of all raw materials of the latex matrix to ensure that the raw material state and the proportioning of the prepared latex matrix are normal, the milk making driving and adjusting module is used for adjusting the supply state of all the raw materials of the latex matrix, and the milk making data acquisition module is used for acquiring;
the sensitized charging unit comprises a sensitized charging control module, a sensitized charging data storage module, a sensitized charging driving adjustment module and a sensitized charging data acquisition module, wherein the sensitized charging control module is electrically connected with the sensitized charging data storage module, the sensitized charging driving adjustment module and the sensitized charging data acquisition module;
the packaging unit comprises a packaging control module, a packaging data storage module, a packaging driving adjusting module and a packaging data acquisition module, wherein the packaging control module is electrically connected with the packaging data storage module, the packaging driving adjusting module and the packaging data acquisition module, the packaging control module is used for closed-loop control of emulsion explosive packaging, the packaging data storage module is used for storing the packaging quantity of the emulsion explosive, the packaging driving adjusting module is used for adjusting the packaging speed of the emulsion explosive, and the packaging data acquisition module is used for counting the packaging quantity of the emulsion explosive;
the total control unit comprises a total control module, the total control module is in communication connection with the milk control module, the sensitization charging control module and the packaging control module, the total control module is used for performing closed-loop control on the milk control unit, the sensitization charging unit and the packaging unit, and the running speed of each unit is monitored in real time to achieve dynamic balance of productivity.
The milk production driving and adjusting module comprises a water phase tank temperature control adjusting valve, a hot water tank temperature control valve, a water phase discharge valve and a water phase reflux valve which are arranged according to a water phase supply sequence, wherein the water phase supply comprises two water phase storage tanks and a water phase batching tank, the water phase storage tanks are used for heating and storing hot water which is filtered and heated, the water phase batching tank is used for mixing the hot water with crushed ammonium nitrate and sodium nitrate, the crushed ammonium nitrate and sodium nitrate are conveyed into a water phase matching tank by a screw conveyor, the materials are added into corresponding tanks through manual control while being stirred, the temperature in the process is controlled in a closed loop mode by the water phase tank temperature control adjusting valve to reach a process temperature value, a heating pipeline for heating is arranged in each water phase storage tank and communicated with the hot water tank, the hot water tank temperature control valve is used for controlling the heating temperature of the hot water tank, the hot water tank supplies steam to the heating pipeline to further heat the water in the water, the water phase tank temperature control regulating valve is used for controlling the steam supply amount of the heating pipeline so as to achieve the purpose of regulating the water phase temperature, after the water phase is heated to the proper temperature, the water phase discharge valve is opened to supply the water phase, and if the supply temperature and the supply flow rate do not reach the standard, the water phase can be refluxed into the water phase batching tank through the water phase reflux valve;
the oil phase tank temperature control regulating valve is used for regulating the heating temperature of the oil phase in the oil phase tank, the oil phase emptying valve is opened to supply the oil phase after the oil phase is heated to a proper temperature, oil phase materials are conveyed into the space between emulsified oil phase materials from a raw material warehouse, the materials are sliced and added for melting after being weighed by a platform scale, the materials are indirectly heated by introducing steam, the oil phase ingredients are put into the space after the materials are completely melted and reach the specified temperature, the materials are stirred to be uniformly mixed, and the temperature is kept for later use through automatic regulation of the automatic temperature control valve;
a coarse emulsion tank discharge valve, a matrix pump discharge valve, an emulsion bin feed valve, an emulsion pump discharge valve and a medicine outlet three-way valve which are arranged according to the emulsification sequence; before emulsification, the process pipeline is insulated by hot water, and after production conditions are met, a water phase pump and an oil phase pump are started simultaneously. The water phase and the oil phase solution are sent into a coarse emulsion tank through a filter, a water phase pipeline, a valve, a pump and a flowmeter, a coarse emulsion stirrer is arranged in the coarse emulsion tank, the water and the oil mutually permeate under the action of the coarse emulsion stirrer from slow to fast, and form a water-in-oil transparent state, the coarse emulsion is pumped into a static emulsifier by a substrate pump to be finely emulsified into an emulsified substrate after being completed, the substrate is fully mixed in the static mixer without any mechanical action and any friction, the risk factor of emulsion manufacture is fundamentally eliminated, and the stable height of the material level of the coarse emulsion tank can be maintained through the adjustment of the rotating speed of the substrate pump so as to be fully emulsified;
the milk production data acquisition module comprises a water phase mass flow meter, a water phase liquid level meter and a water phase tank temperature transmitter which are arranged according to the water phase supply sequence and are respectively used for monitoring the flow, the liquid level and the temperature of the water phase supply.
And the oil phase mass flow meter, the oil phase liquid level meter and the oil phase tank temperature transmitter are arranged according to the oil phase supply sequence and are respectively used for monitoring the flow, the liquid level and the temperature of the oil phase supply.
The system comprises a crude milk tank material level meter, a matrix pump temperature pressure transmitter, a static mixing back pressure transmitter and a hot water tank temperature transmitter which are arranged according to an emulsifying sequence, wherein the hot water tank temperature transmitter is used for collecting the temperature of a hot water tank for supplying water phase and oil phase heating, the crude milk tank material level meter is used for monitoring the material level of the crude milk tank, the matrix pump temperature pressure transmitter is used for monitoring the temperature and the pumping pressure of a matrix pump, and the static mixing back pressure transmitter is used for monitoring the pressure of a latex matrix after passing through a static emulsifier.
In the emulsification process, the flow set value of the water phase and the oil phase is controlled and given by a water phase discharge valve and an oil phase discharge valve, the opening amounts of the water phase discharge valve and the oil phase discharge valve are controlled by an emulsion preparation control module according to a proportioning curve, and the flow is automatically and stably controlled by PID automatic tracking regulation.
The milk production driving and adjusting module further comprises a blowdown valve and a substrate sampling valve. The drain valve is arranged on the water phase pipeline and is used for automatically cleaning the water phase pipeline; the matrix sampling valve is arranged on a pipeline between the crude milk tank and the static emulsifier and is used for matrix sampling detection. After production is finished or when the production is not smooth, the water phase pipeline is cleaned, and the cleaning process comprises the following steps: entering an automatic cleaning program: automatically closing the water phase discharge valve and the water phase pump, automatically opening the blowdown valve, delaying time for blowdown, automatically opening the water phase three-way valve (introducing water into the water phase pipeline), automatically closing the blowdown valve, automatically opening the water phase cleaning valve, delaying time, automatically starting the water phase pump, delaying stopping the water phase pump, automatically opening the blowdown valve, delaying closing the blowdown valve and the water phase three-way valve, and finishing automatic cleaning. Namely, the water phase pipeline is partially closed, water flow is introduced for pumping and cleaning, and then impurities are discharged through a drain valve, so that the effect of automatic cleaning is achieved.
The emulsion matrix gets into the feed bin of emulsion pump after coming out from static emulgator, specifically adds the feed bin through the pipeline in, is equipped with out the medicine three-way valve on the pipeline, can add the emulsion matrix that prepares and mix the loading or carry out other storages reserve through going out the medicine three-way valve. The latex pump can be started under the condition that the charging machine is allowed to be started, the foaming agent pump is started simultaneously in the process that the latex pump pumps latex to the static disperser (sensitizing device), and the adding amount of the foaming agent is the flow of the latex matrix pumped by the latex pump which is automatically tracked according to the proportion.
The rotating speed of the latex pump is set and controlled according to the charging requirement, but when the material level of the latex bin reaches the lower limit, the latex will automatically stop rotating to prevent idling. Meanwhile, the upper limit and the lower limit of the material level can cause the action of an audible and visual alarm, and a medicine charging room and an emulsification room can be warned.
The sensitized charging driving and adjusting module comprises a foaming agent pump, a foaming agent flow adjusting valve, a static mixing inlet switching valve and a static mixing outlet switching valve, wherein the foaming agent pump, the foaming agent flow adjusting valve, the static mixing inlet switching valve and the static mixing outlet switching valve are supplied with a foaming agent and are statically mixed and sensitized, the foaming agent flow adjusting valve is used for adjusting the supply quantity of the foaming agent, and the static mixing inlet switching valve and the static mixing outlet switching valve are respectively arranged at.
The sensitized charging data acquisition module comprises a latex pump pressure transmitter, a mixer outlet pressure transmitter, an outlet temperature transmitter and a foaming agent amount flowmeter. The latex pump pressure transmitter is used for monitoring the pumping pressure of the latex pump, the mixer outlet pressure transmitter and the outlet temperature transmitter are used for monitoring the pressure and the temperature of the outlet of the static disperser, and the foaming agent amount flowmeter is used for monitoring the supply flow of the foaming agent amount.
In this embodiment, latex storehouse feed valve includes first latex storehouse feed valve, second latex storehouse feed valve, latex pump baiting valve includes first latex pump baiting valve, second latex pump baiting valve, latex pump pressure transmitter includes first latex pump pressure transmitter, second latex pump pressure transmitter, blender export pressure transmitter includes first blender export pressure transmitter, second blender export pressure transmitter, export temperature transmitter includes first export temperature transmitter, second export temperature transmitter, foaming dosage flowmeter includes first foaming agent flowmeter, the second foaming dosage flowmeter, carries out the sensitization powder charge through two sets of sensitization powder charge units promptly.
The sensitized emulsion explosive further enters a charging machine for charging. The charging process is that firstly, a medicine charging machine is checked and prepared, and the rotating speed of the latex pump is set after conditions are met. Namely, the latex pump and the foaming agent pump can be started to enter the static disperser for sensitization. If the medicine filling machine has a fault midway, the latex pump, the foaming agent pump and the mixing can be stopped immediately. The explosive charging machine packages the emulsion explosive into a column shape, transports the column shape through a belt, soaks and cools the column shape, and then air-dries and packages the column shape. The rotational speed of the cooling belt can be set as desired.
The package driving and adjusting module comprises a belt conveyer which is used for conveying the emulsion explosive which is preliminarily packaged into a column shape and is soaked and cooled,
the package data acquisition module comprises a columnar material gripping device, and the columnar material gripping device is used for gripping the emulsion explosive on the belt conveying device. As shown in fig. 2, the automatic packaging of the columnar emulsion explosive by the carton specifically comprises the steps of robot grabbing, boxing, weighing, instruction adding, box sealing, bundling, transferring and loading, and is automatically completed.
A protection method of a safety interlock protection system based on an automatic explosive production line comprises the following steps:
s1, starting the machine, inputting a yield value through the master control unit, sending an instruction to the milk control module by the milk control module to prepare the latex matrix, reading the proportioning data of each raw material for preparing the latex matrix in the milk control data storage module by the milk control module, and sending an instruction to the milk control drive adjusting module to prepare the latex matrix;
s2, after the quality of the emulsion matrix is manually confirmed, sending a command to a sensitized charging control module through a master control module of a master control unit, reading the matching data of the emulsion matrix and the foaming agent in a sensitized charging data storage module by the sensitized charging control module, and sending the command to a sensitized charging driving and adjusting module to mix and sensitize the emulsion matrix and the foaming agent to prepare the emulsion explosive; after a certain time delay, the master control unit sends an instruction to the packaging control module, the emulsion explosive is packaged into a column shape and is soaked and cooled, the packaging data acquisition module measures the packaging quantity of the emulsion explosive and stores the packaging quantity in the packaging data storage module, and the packaging control module feeds the packaging quantity of the emulsion explosive back to the master control module;
s3, the milk making data acquisition module acquires the supply state of each raw material of the latex matrix in real time and feeds the supply state back to the milk making control module for closed-loop control;
the sensitized charging data acquisition module acquires the supply states of the latex matrix and the foaming agent in real time and feeds the supply states back to the sensitized charging control module for closed-loop control;
the production quantity of the emulsion explosive is counted in real time by the packaging data acquisition module and is sent to the master control module, the master control module monitors the running speed of each unit in real time, closed-loop control is carried out to achieve dynamic balance of productivity, and when the preset productivity is completed, the emulsion making unit, the sensitization charging unit and the packaging unit are stopped in a delayed mode in sequence. The specific production quantity statistical mode can obtain the real-time production quantity by counting the quantity captured by the robot and multiplying the quantity by the weight of a single columnar emulsion explosive, and the real-time production quantity is compared with the initial input production capacity value, and corresponding valves are closed in sequence when the production capacity is completed.
The closed-loop control of the milk production unit comprises material interlocking, temperature liquid level protection, flow out-of-range protection, pressure out-of-limit protection, overload protection, liquid ammonium nitrate deluge device and temperature interlocking,
the closed-loop control of the sensitization charging unit comprises material distribution interlocking, temperature liquid level protection, flow out-of-range protection, pressure out-of-limit protection, water cut-off protection, overload protection, charging machine and sensitization interlocking,
the ingredient interlocking comprises that when the process temperature exceeds the range of a set value, the system stops feeding and does not start stirring,
the temperature and liquid level protection comprises automatic temperature regulation and control, and realizes linkage protection of liquid level feeding and discharging
The flow out-of-range protection comprises that the system judges the relation between the flow and the productivity, can automatically adjust when exceeding the limit,
the pressure overrun protection comprises multi-stage pressure detection and automatic judgment of pressure difference, and is stopped immediately when overrun or sensing is abnormal,
the overload protection comprises motor overload shutdown protection and current overrun alarm,
the liquid ammonium nitrate deluge device and the temperature linkage comprise that the deluge system can be automatically opened when the temperature is over-temperature,
the water-break protection comprises that the mixer and the charging machine can automatically delay the shutdown and alarm when the cooling water of the mixer and the charging machine is in a flow-break state,
the linkage of the latex material level and the rotating speed comprises the balance of the material level and the automatic adjustment of the rotating speed, the system can alarm and stop when the material level is low,
the charge machine and the sensitization linkage comprise charge machine starting, and the latex and the foaming agent are added simultaneously according to the proportion.
The closed-loop control of the master control module comprises the following steps:
when the speed of the packaging unit is reduced or increased, the speed of the sensitized charging unit is controlled to be reduced or increased and is matched with the speed of the packaging unit;
when the speed of the sensitization charging unit is reduced, the milk making unit automatically reduces the productivity and is matched with the sensitization charging unit to maintain balance;
when the speed of the sensitization charging unit is increased, the milk making unit automatically improves the productivity and continuously supplies materials;
when the packaging unit stops, the milk making unit and the sensitization charging unit enter a shutdown procedure;
when the milk making unit stops, the sensitization charging unit stops in a delayed way;
when the sensitized charging unit stops, the packaging unit stops in a delayed mode;
when the device is in normal operation, the package, the charge and the emulsification are self-regulated and dynamically regulated and kept in balance according to the set productivity.
Claims (10)
1. A safety interlocking protection system of an explosive automatic production line is characterized by comprising a master control unit, an emulsion control unit, a sensitization charging unit and a packaging unit,
the system comprises a milk making unit, a milk making unit and a milk mixing unit, wherein the milk making unit comprises a milk making control module, a milk making data storage module, a milk making driving and adjusting module and a milk making data acquisition module, the milk making control module is electrically connected with the milk making data storage module, the milk making driving and adjusting module and the milk making data acquisition module, the milk making control module is used for closed-loop control of the milk making unit for preparing the latex matrix, the milk making data storage module is used for storing supply requirement values and proportioning curves of all raw materials of the latex matrix, the milk making driving and adjusting module is used for adjusting the supply states of all raw materials of the latex matrix, and the milk making data acquisition module is used for acquiring real-time data of all raw;
the sensitized charging unit comprises a sensitized charging control module, a sensitized charging data storage module, a sensitized charging driving adjustment module and a sensitized charging data acquisition module, wherein the sensitized charging control module is electrically connected with the sensitized charging data storage module, the sensitized charging driving adjustment module and the sensitized charging data acquisition module;
the packaging unit comprises a packaging control module, a packaging data storage module, a packaging driving adjusting module and a packaging data acquisition module, wherein the packaging control module is electrically connected with the packaging data storage module, the packaging driving adjusting module and the packaging data acquisition module, the packaging control module is used for closed-loop control of emulsion explosive packaging, the packaging data storage module is used for storing the packaging quantity of the emulsion explosive, the packaging driving adjusting module is used for adjusting the packaging speed of the emulsion explosive, and the packaging data acquisition module is used for counting the packaging quantity of the emulsion explosive;
the total control unit comprises a total control module, the total control module is in communication connection with the milk control module, the sensitization charging control module and the packaging control module, the total control module is used for performing closed-loop control on the milk control unit, the sensitization charging unit and the packaging unit, and the running speed of each unit is monitored in real time to achieve dynamic balance of productivity.
2. The safety interlock protection system for an automatic explosive production line according to claim 1, wherein:
the milk production driving and adjusting module comprises a water phase tank temperature control adjusting valve, a hot water tank temperature control valve, a water phase discharge valve and a water phase reflux valve which are arranged according to the water phase supply sequence,
an oil phase tank temperature control regulating valve and an oil phase discharging valve which are arranged according to the oil phase supply sequence,
a coarse emulsion tank discharge valve, a matrix pump discharge valve, an emulsion bin feed valve, an emulsion pump discharge valve and a medicine outlet three-way valve which are arranged according to the emulsification sequence;
the milk production data acquisition module comprises a water phase mass flow meter, a water phase liquid level meter and a water phase tank temperature transmitter which are arranged according to the water phase supply sequence,
an oil phase mass flowmeter, an oil phase liquid level meter and an oil phase tank temperature transmitter which are arranged according to the oil phase supply sequence,
the system comprises a raw milk tank material level meter, a matrix pump temperature pressure transmitter, a static mixing pressure transmitter and a hot water tank temperature transmitter which are arranged according to an emulsifying sequence, wherein the hot water tank temperature transmitter is used for collecting the temperature of a hot water tank for supplying water phase and oil phase for heating.
3. The safety interlock protection system for an automatic explosive production line according to claim 2, wherein the milk production drive regulating module further comprises a blowdown valve and a matrix sampling valve.
4. The safety interlock protection system for an automatic explosive production line according to claim 3, wherein:
the sensitized charging driving and adjusting module comprises a foaming agent pump, a foaming agent flow adjusting valve, a static mixing inlet switching valve and a static mixing outlet switching valve which are supplied by a foaming agent and are statically mixed and sensitized,
the sensitized charging data acquisition module comprises a latex pump pressure transmitter, a mixer outlet pressure transmitter, an outlet temperature transmitter and a foaming agent amount flowmeter.
5. The safety interlock protection system for an automatic explosive production line according to claim 4, wherein:
the feeding valve of the latex bin comprises a first feeding valve of the latex bin and a second feeding valve of the latex bin, the discharging valve of the latex pump comprises a discharging valve of the first latex pump and a discharging valve of the second latex pump,
the emulsion pump pressure transmitter comprises a first emulsion pump pressure transmitter and a second emulsion pump pressure transmitter,
the mixer outlet pressure transmitter comprises a first mixer outlet pressure transmitter, a second mixer outlet pressure transmitter,
the outlet temperature transmitter comprises a first outlet temperature transmitter and a second outlet temperature transmitter,
the foaming agent dosage flowmeter comprises a first foaming agent dosage flowmeter and a second foaming agent dosage flowmeter.
6. The safety interlock protection system for an automatic explosive production line according to claim 5, wherein: the package driving and adjusting module comprises a belt conveyer which is used for conveying the emulsion explosive which is preliminarily packaged into a column shape and is soaked and cooled,
the package data acquisition module comprises a columnar material gripping device, and the columnar material gripping device is used for gripping the emulsion explosive on the belt conveying device.
7. The method for protecting a safety interlock protection system of an automatic explosive production line according to any one of claims 1 to 6, comprising the steps of:
s1, starting the machine, inputting a yield value through the master control unit, sending an instruction to the milk control module by the milk control module to prepare the latex matrix, reading the proportioning data of each raw material for preparing the latex matrix in the milk control data storage module by the milk control module, and sending an instruction to the milk control drive adjusting module to prepare the latex matrix;
s2, after the quality of the emulsion matrix is manually confirmed, sending a command to a sensitized charging control module through a master control module of a master control unit, reading the matching data of the emulsion matrix and the foaming agent in a sensitized charging data storage module by the sensitized charging control module, and sending the command to a sensitized charging driving and adjusting module to mix and sensitize the emulsion matrix and the foaming agent to prepare the emulsion explosive; after a certain time delay, the master control unit sends an instruction to the packaging control module, the emulsion explosive is packaged into a column shape and is soaked and cooled, the packaging data acquisition module measures the packaging quantity of the emulsion explosive and stores the packaging quantity in the packaging data storage module, and the packaging control module feeds the packaging quantity of the emulsion explosive back to the master control module;
s3, the milk making data acquisition module acquires the supply state of each raw material of the latex matrix in real time and feeds the supply state back to the milk making control module for closed-loop control;
the sensitized charging data acquisition module acquires the supply states of the latex matrix and the foaming agent in real time and feeds the supply states back to the sensitized charging control module for closed-loop control;
the production quantity of the emulsion explosive is counted in real time by the packaging data acquisition module and is sent to the master control module, the master control module monitors the running speed of each unit in real time, closed-loop control is carried out to achieve dynamic balance of productivity, and when the preset productivity is completed, the emulsion making unit, the sensitization charging unit and the packaging unit are stopped in a delayed mode in sequence.
8. The protection method according to claim 7, characterized in that:
the closed-loop control of the milk production unit comprises material interlocking, temperature liquid level protection, flow out-of-range protection, pressure out-of-limit protection, overload protection, liquid ammonium nitrate deluge device and temperature interlocking,
the closed-loop control of the sensitization charging unit comprises material distribution interlocking, temperature liquid level protection, flow out-of-range protection, pressure out-of-limit protection, water cut-off protection, overload protection, charging machine and sensitization interlocking,
the ingredient interlocking comprises that when the process temperature exceeds the range of a set value, the system stops feeding and does not start stirring,
the temperature and liquid level protection comprises automatic temperature regulation and control, and realizes linkage protection of liquid level feeding and discharging
The flow out-of-range protection comprises that the system judges the relation between the flow and the productivity, can automatically adjust when exceeding the limit,
the pressure overrun protection comprises multi-stage pressure detection and automatic judgment of pressure difference, and is stopped immediately when overrun or sensing is abnormal,
the overload protection comprises motor overload shutdown protection and current overrun alarm,
the liquid ammonium nitrate deluge device and the temperature linkage comprise that the deluge system can be automatically opened when the temperature is over-temperature,
the water-break protection comprises that the mixer and the charging machine can automatically delay the shutdown and alarm when the cooling water of the mixer and the charging machine is in a flow-break state,
the linkage of the latex material level and the rotating speed comprises the balance of the material level and the automatic adjustment of the rotating speed, the system can alarm and stop when the material level is low,
the charge machine and the sensitization linkage comprise charge machine starting, and the latex and the foaming agent are added simultaneously according to the proportion.
9. The protection method according to claim 8, wherein the closed-loop control of the general control module comprises:
when the speed of the packaging unit is reduced or increased, the speed of the sensitized charging unit is controlled to be reduced or increased and is matched with the speed of the packaging unit;
when the speed of the sensitization charging unit is reduced, the milk making unit automatically reduces the productivity and is matched with the sensitization charging unit to maintain balance;
when the speed of the sensitization charging unit is increased, the milk making unit automatically improves the productivity and continuously supplies materials;
when the packaging unit stops, the milk making unit and the sensitization charging unit enter a shutdown procedure;
when the milk making unit stops, the sensitization charging unit stops in a delayed way;
when the sensitized charging unit stops, the packaging unit stops in a delayed mode;
when the device is in normal operation, the package, the charge and the emulsification are self-regulated and dynamically regulated and kept in balance according to the set productivity.
10. The method of claim 9, wherein the prepared emulsion matrix is added to the mixing truck or stored for further use by the drug delivery three-way valve.
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