CN105551221A - Remote data acquisition system for dry dust removal of converter gas - Google Patents
Remote data acquisition system for dry dust removal of converter gas Download PDFInfo
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- CN105551221A CN105551221A CN201511017598.6A CN201511017598A CN105551221A CN 105551221 A CN105551221 A CN 105551221A CN 201511017598 A CN201511017598 A CN 201511017598A CN 105551221 A CN105551221 A CN 105551221A
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- 239000000428 dust Substances 0.000 title abstract 3
- 238000013500 data storage Methods 0.000 claims abstract description 5
- 238000012546 transfer Methods 0.000 claims description 30
- 238000012544 monitoring process Methods 0.000 claims description 11
- 238000003860 storage Methods 0.000 claims description 9
- 238000012545 processing Methods 0.000 claims description 8
- 230000005540 biological transmission Effects 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract 1
- 238000013524 data verification Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 8
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000007726 management method Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G08—SIGNALLING
- G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
- G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
- G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
-
- C—CHEMISTRY; METALLURGY
- C21—METALLURGY OF IRON
- C21C—PROCESSING OF PIG-IRON, e.g. REFINING, MANUFACTURE OF WROUGHT-IRON OR STEEL; TREATMENT IN MOLTEN STATE OF FERROUS ALLOYS
- C21C5/00—Manufacture of carbon-steel, e.g. plain mild steel, medium carbon steel or cast steel or stainless steel
- C21C5/28—Manufacture of steel in the converter
- C21C5/38—Removal of waste gases or dust
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Computer Networks & Wireless Communication (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Computer And Data Communications (AREA)
- Data Exchanges In Wide-Area Networks (AREA)
Abstract
The invention discloses a remote data acquisition system for dry dust removal of converter gas. The remote data acquisition system mainly comprises a field data server, a public network transit server and a remote data acquisition terminal, wherein the field data server comprises a data monitor, a data acquisition unit, a data encoder, a data encryption unit and a network processor; the public network transit server comprises a network transponder, an identity authenticator and a data transiting device; and the remote data acquisition terminal comprises a data receiver, a data decoder, a data verification device and a data storage unit. With the adoption of the system disclosed by the invention, limitation to internal networks between enterprises can be broken through, and field data are acquired through Internet so that the blank of remote acquisition of the dry dust removal of a converter is filled; and the remote data acquisition system has the advantages of high commonality, simplicity in construction and low cost.
Description
Technical Field
The invention relates to a metallurgy remote control technology, in particular to a remote data acquisition system for dry dedusting of converter gas.
Background
The remote data acquisition is mainly applied between a production line design and debugging party and a using party, so that the running condition of the production line can be known conveniently, the fault can be eliminated in time, and the design can be further improved.
At present, converter gas dry dedusting field data is often collected and stored in a local storage medium, a design and debugging party is difficult to master the operation and operation conditions of a production line in time, once a fault occurs, a using party communicates through a telephone, and debugging personnel are often required to observe the data on site because the situation is not well known; on the one hand, the design cannot be further refined because the designer does not know the operating data.
The invention aims to provide a remote data acquisition system for dry dedusting of furnace gas, which is used for remotely acquiring field signals and transmitting the field signals to design or management personnel in other local area networks or public networks through a network so as to facilitate analysis and design improvement.
Disclosure of Invention
The invention aims to solve the technical problem of providing a remote data acquisition system for dry dedusting of converter gas aiming at the defects in the prior art.
The technical scheme adopted by the invention for solving the technical problems is as follows: a remote data acquisition system for dry dedusting of converter gas comprises:
the system comprises a field data server, a public network transfer server and a remote data acquisition terminal; wherein,
the field data server is used for analyzing a configuration file of data to be acquired, which is provided by a user, extracting a variable name of the acquired data and a corresponding logic address of the intelligent instrument, and monitoring, acquiring, processing and sending the data; the field data server mainly comprises:
the data monitor is used for monitoring the data of the on-site intelligent instrument according to the requirement provided by the configuration file and sending out a data acquisition signal when the data changes;
the data acquisition unit is used for acquiring data according to the data acquisition signal and updating the data content in the cache; after the acquisition period is finished, the data acquisition unit sends all the updated data in the cache to the data encoder;
the data encoder is used for compiling the data into binary data streams according to the existing encoding rules and transmitting the compiled binary data streams to the data encryptor;
a data encryptor for encrypting the data received from the data encoder by using a hash algorithm;
the network processor is used for submitting a link application to the public network transfer server, establishing a data link after the application is replied, and transmitting the data processed by the data encryption device to the public network transfer server;
the public network transfer server is used for receiving the data processed by the field data server and then distributing the data to the remote acquisition terminal;
the system comprises a network responder, an identity verifier and a data repeater.
The identity verifier is used for verifying the identity of an applicant, and comprises the following specific steps: when a network link application is received, an identity verifier verifies an IP (Internet protocol), a port and a reserved password contained in the application through a predefined rule, if the identity is illegal, the identity directly enters a blacklist sequence to prevent an intruder from occupying resources, and when the identity is legal, a network responder is activated;
the network responder is used for replying network link applicants, establishing links and keeping the links;
the data transfer device is used for transmitting the data to the remote acquisition terminal;
the remote acquisition terminal is used for the remote acquisition terminal to be mainly responsible for receiving, processing and storing the data, and the remote acquisition terminal mainly comprises:
the data receiver is used for receiving data from the public network transit server; when a data transmission instruction of a public network transfer server is received, a data receiver empties data in a current cache, registers a data completion event, and activates a data verifier through the data completion event after the data reception is completed;
the data verifier is used for verifying whether the data is modified, if not, the data is transferred to the data decoder, otherwise, the data is discarded;
the data decoder is used for decrypting the data and translating a binary data stream obtained by decrypting the data into a required data format according to a predefined coding rule;
and the data storage is used for storing the acquired data into a remote storage medium according to a format required by a user.
According to the scheme, the field data server is placed on a field engineer workstation and is accessed to a company intranet, the public network transfer server is built on a PC with a public network IP, and the data acquisition terminal is deployed on the PC of the company intranet or a network node with the public network IP.
According to the scheme, the data encoder adopts the following encoding modes: grouping the data according to the type of the collected data: if the digital quantity is a digital quantity, 16 digital quantities are combined into high and low bits of a word, and if the digital quantity is an analog quantity, the digital quantity is converted into a binary format, and then a data description set containing a data acquisition address is generated.
The invention has the following beneficial effects:
1. the converter gas dry dedusting data is transferred from field storage to remote storage, all the operation data are visually presented before the design or management of the remote end, and the field management and the design improvement are facilitated;
2. the transfer server breaks through the data transmission limit among different intranets, abandons the existing industrial VPN mode, ensures that data can be acquired at any networking place, and breaks through the point-to-point limit;
3. the self-defined rule coding is adopted, so that the safety of data is ensured;
4. according to the method for generating the data description set by the predefining, the data flow is dynamically generated during the acquisition, the data volume in the transmission process is reduced, and the data security is further ensured.
Drawings
The invention will be further described with reference to the accompanying drawings and examples, in which:
fig. 1 is a schematic structural diagram of a remote data acquisition system for dry dedusting of converter gas according to an embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the following embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, a remote data acquisition system for remote dry dedusting of converter gas mainly comprises a field data server, a public network transfer server and a remote data acquisition terminal, wherein the field data server is mainly responsible for monitoring, acquiring, processing and sending data; the public network transfer server is mainly responsible for getting through site and intranet limitation of the iron and steel enterprise, receiving data processed by the site data server and distributing the data to all remote acquisition terminals; the remote acquisition terminal is mainly responsible for receiving, processing and storing data. The method comprises the following specific steps:
the field data server is used for analyzing a configuration file of data to be acquired, which is provided by a user, extracting a variable name of the acquired data and a corresponding logic address of the intelligent instrument, and monitoring, acquiring, processing and sending the data; the field data server mainly comprises:
the data monitor is used for monitoring the data of the on-site intelligent instrument according to the requirement provided by the configuration file and sending out a data acquisition signal when the data changes;
the data acquisition unit is used for acquiring data according to the data acquisition signal and updating the data content in the cache; after the acquisition period is finished, the data acquisition unit sends all the updated data in the cache to the data encoder;
the data encoder compiles the data set into a binary data stream according to the existing encoding rule and transmits the compiled binary data stream to the data encryptor;
a data encryptor for encrypting the data received from the data encoder by using a hash algorithm;
the network processor is used for submitting a link application to the public network transfer server, establishing a data link after the application is replied, and transmitting the data processed by the data encryption device to the public network transfer server;
the public network transfer server is used for receiving the data processed by the field data server and then distributing the data to the remote acquisition terminal;
the system comprises a network responder, an identity verifier and a data repeater.
The identity verifier is used for verifying the identity of an applicant, and comprises the following specific steps: when a network link application is received, an identity verifier verifies an IP (Internet protocol), a port and a reserved password contained in the application through a predefined rule, if the identity is illegal, the identity directly enters a blacklist sequence to prevent an intruder from occupying resources, and when the identity is legal, a network responder is activated;
the network responder is used for replying network link applicants, establishing links and keeping the links;
the data transfer device is used for transmitting the data to the remote acquisition terminal;
the remote acquisition terminal is used for the remote acquisition terminal to be mainly responsible for receiving, processing and storing the data, and the remote acquisition terminal mainly comprises:
the data receiver is used for receiving data from the public network transit server; when a data transmission instruction of a public network transfer server is received, a data receiver empties data in a current cache, registers a data completion event, and activates a data verifier through the data completion event after the data reception is completed;
the data verifier is used for verifying whether the data is modified, if not, the data is transferred to the data decoder, otherwise, the data is discarded;
the data decoder is used for decrypting the data and translating a binary data stream obtained by decrypting the data into a required data format according to a predefined coding rule;
and the data storage is used for storing the acquired data into a remote storage medium according to a format required by a user.
The acquisition system in the embodiment comprises a field data server, a public network transfer server and a user terminal. The field data server is arranged on a field engineer workstation, so that the field production is not influenced, and the configuration information of the server is prevented from being modified by an operator; the engineer station is positioned in an internal network of a steel mill, has no external independent IP and is isolated by an enterprise firewall; the public network transfer server is set up on a PC with a public network IP, and the data acquisition terminal is deployed on the PC of the internal network of the company where the designer is located or a network node with the public network IP.
The embodiment of the invention provides a remote data acquisition system of a converter gas dry dedusting system, which comprises the following working procedures:
1. initializing a field data server, loading and analyzing a configuration file of data to be collected provided by a user, and extracting a collected data variable name and a corresponding logic address of the intelligent instrument;
2. the data monitor establishes a monitoring object and sets the collection attribute of the object, wherein the attribute only triggers the condition of the change of the digital quantity and the monitoring dead zone of the analog quantity. Starting monitoring, and when the monitored object data changes and meets the requirement of acquisition attribute, transmitting an acquisition notice by a phase data acquisition device;
3. after receiving the acquisition notice, the data acquisition unit starts an acquisition program, acquires the changed data value and updates the changed data value into a data cache region corresponding to the monitored object; the data acquisition unit periodically checks the data in the data cache region, and when one period is finished, if the data changes, the latest data changed in the cache region is sent to the data encoder;
4. after receiving the data, the data encoder encodes the data according to an encoding rule, converts the encoded data into binary stream data, and then transfers the data to a data encryptor;
5. the data encryptor performs hash calculation and confidentiality through the MD5, then puts the hash value into the binary stream handed over by the data encryptor according to the convention, and then hands over the processed data to the network processor;
6. after receiving the data, the network processor detects whether a link exists with the public network server, and if the link does not exist, the network processor submits a link request to the public network transit server;
7. after receiving a link request submitted by a network processor, the public network transfer server starts an identity verifier, extracts an IP (Internet protocol), a port number and an appointed password from request data, matches the IP, the port number and the appointed password with a file stored on the public network transfer server, and sends an allowing instruction to a network responder if the matching is successful;
8. after receiving the permission instruction, the network responder replies to the linkman, establishes a link and activates the data transfer device;
9. after the data transfer device is activated, monitoring the existing network link, and when data are transmitted, receiving and putting the data into a cached storage queue; if the storage queue has data which is not sent completely, the latest received data enters into waiting until all the data are sent completely, and the latest data is distributed to all the remote data acquisition ends in a broadcasting mode;
10. when the remote data acquisition end starts working, the data receiver firstly submits a link to a public network transfer server to obtain a network link, and the link is maintained and monitored; when data is transmitted, the data is received and forwarded to the data verifier;
11. after the data verifier obtains the data, the data verifier takes out the hash value from the data stream by convention, then the remaining data is subjected to the MD5 algorithm for hash value calculation, if the calculated value is equal to the hash value contained in the obtained data stream, the data is not modified, the data is transferred to the data memory, otherwise, the corresponding data is discarded;
12. after the data storage receives the data, the data is inversely coded according to a predefined rule, and then the data is stored in a corresponding storage medium.
It will be understood that modifications and variations can be made by persons skilled in the art in light of the above teachings and all such modifications and variations are intended to be included within the scope of the invention as defined in the appended claims.
Claims (3)
1. A remote data acquisition system for dry dedusting of converter gas is characterized by comprising:
the system comprises a field data server, a public network transfer server and a remote data acquisition terminal; wherein,
the field data server is used for analyzing a configuration file of data to be acquired, which is provided by a user, extracting a variable name of the acquired data and a corresponding logic address of the intelligent instrument, and monitoring, acquiring, processing and sending the data; the field data server mainly comprises:
the data monitor is used for monitoring the data of the on-site intelligent instrument and sending out a data acquisition signal when the data change;
the data acquisition unit is used for acquiring data according to the data acquisition signal and updating the data content in the cache; after the acquisition period is finished, the data acquisition unit sends all the updated data in the cache to the data encoder;
the data encoder compiles the data set into a binary data stream according to the existing encoding rule and transmits the compiled binary data stream to the data encryptor;
a data encryptor for encrypting the data received from the data encoder by using a hash algorithm;
the network processor is used for submitting a link application to the public network transfer server, establishing a data link after the application is replied, and transmitting the data processed by the data encryption device to the public network transfer server;
the public network transfer server is used for receiving the data processed by the field data server and then distributing the data to the remote acquisition terminal;
the system comprises a network responder, an identity verifier and a data repeater;
the identity verifier is used for verifying the identity of an applicant, and comprises the following specific steps: when a network link application is received, an identity verifier verifies an IP (Internet protocol), a port and a reserved password contained in the application through a predefined rule, if the identity is illegal, the identity directly enters a blacklist sequence to prevent an intruder from occupying resources, and when the identity is legal, a network responder is activated;
the network responder is used for replying network link applicants, establishing links and keeping the links;
the data transfer device is used for transmitting the data to the remote acquisition terminal;
the remote acquisition terminal is used for the remote acquisition terminal to be mainly responsible for receiving, processing and storing the data, and the remote acquisition terminal mainly comprises:
the data receiver is used for receiving data from the public network transit server; when a data transmission instruction of a public network transfer server is received, a data receiver empties data in a current cache, registers a data completion event, and activates a data verifier through the data completion event after the data reception is completed;
the data verifier is used for verifying whether the data is modified, if not, the data is transferred to the data decoder, otherwise, the data is discarded;
the data decoder is used for decrypting the data and translating a binary data stream obtained by decrypting the data into a required data format according to a predefined coding rule;
and the data storage is used for storing the acquired data into a remote storage medium according to a format required by a user.
2. The remote data acquisition system according to claim 1, wherein the field data server is installed on a field engineer workstation, and is accessed to a company intranet, the public network transfer server is built on a PC with a public network IP, and the data acquisition terminal is deployed on a PC of the company intranet or a network node with the public network IP.
3. The remote data acquisition system of claim 1, wherein the data encoder employs the following encoding: grouping the data according to the type of the collected data: if the digital quantity is a digital quantity, 16 digital quantities are combined into high and low bits of a word, and if the digital quantity is an analog quantity, the digital quantity is converted into a binary format, and then a data description set containing a data acquisition address is generated.
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