CN108062065A - The control method and device of pulverizing process - Google Patents

The control method and device of pulverizing process Download PDF

Info

Publication number
CN108062065A
CN108062065A CN201711395344.7A CN201711395344A CN108062065A CN 108062065 A CN108062065 A CN 108062065A CN 201711395344 A CN201711395344 A CN 201711395344A CN 108062065 A CN108062065 A CN 108062065A
Authority
CN
China
Prior art keywords
feeder
pressure signal
control system
threshold value
overheating protection
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201711395344.7A
Other languages
Chinese (zh)
Inventor
戴鑫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Resources Power Hunan Co Ltd
Original Assignee
China Resources Power Hunan Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Resources Power Hunan Co Ltd filed Critical China Resources Power Hunan Co Ltd
Priority to CN201711395344.7A priority Critical patent/CN108062065A/en
Publication of CN108062065A publication Critical patent/CN108062065A/en
Pending legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/048Monitoring; Safety

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Disintegrating Or Milling (AREA)

Abstract

The embodiment of the invention discloses a kind of control method and device of pulverizing process, for preventing scaling loss of the hot wind to feeder feed belt.Present invention method includes:Control system obtains the pressure signal inside feeder;Whether the control system judges the pressure signal less than predetermined threshold value;If so, the control system performs overheating protection action, the overheating protection acts that the hot wind of coal pulverizer is prevented to enter feeder.Since the pressure signal inside feeder can directly feed back the pressure condition inside feeder, using the pressure signal inside feeder as the basis for estimation for performing overheating protection action, it can prevent scaling loss of the hot wind to feeder feed belt.

Description

The control method and device of pulverizing process
Technical field
The present invention relates to coal electro-technical fields, and in particular to the control method and control device of a kind of pulverizing process, calculating Machine device, the computer program product comprising instruction.
Background technology
In thermal power plant, coal-fired power plant is the thermal energy for generating coal combustion, and heat-setting water generation high temperature and pressure is steamed Vapour is converted into electric energy by steam turbine generator device.
In the prior art, in the coal furnace pulverizing process of coal-fired power plant, the coal in run coal bin is entered by raw coal bucket The feeding mouth of feeder, feeder are sent discharge port of the raw coal continuously through feeder by the feed belt inside feeder Toward coal pulverizer.Coal pulverizer is to crush the raw coal that feeder discharge port is sent out and wear into the machinery of coal dust, on the one hand grinds raw coal On the one hand Cheng Fen is dried raw coal using hot wind, coal is dried and sends out coal dust by hot wind.Feeder is continuously uninterruptedly given During coal, raw coal is gathered in raw coal bucket, makes with feeder extraneous air to completely cut off at feeder feeding mouth, so as to protect inside feeder Hold the environment of opposing seal.
However, when run coal bin occur hanging or hole capital after selling all securities cause feeder break coal when, feeder feed belt occurs unloaded, leads It causes to communicate with feeder extraneous air at feeder feeding mouth, so that feeder air pressure inside reduces, and then in coal pulverizer Hot wind entered by feeder discharge outlet inside feeder, since hot blast temperature is higher, the biography inside hot wind and feeder After sending belt contacts scaling loss can be generated to feed belt.
The content of the invention
An embodiment of the present invention provides the control method and control device of a kind of pulverizing process, computer installation, include finger The computer program product of order, for preventing scaling loss of the hot wind to feeder feed belt.
An embodiment of the present invention provides a kind of control method of pulverizing process, including:
Control system obtains the pressure signal inside feeder;
Whether the control system judges the pressure signal less than predetermined threshold value;
If so, the control system performs overheating protection action, which acts that hot wind is prevented to enter to coal Machine.
Optionally, which is the pressure signal of feeder internal gas.
Optionally, which is the pressure signal of feed belt inside feeder.
Optionally, which performs alarm and protection action and includes:The control system closes the feeder discharge port lock Door.
Optionally, which performs alarm and protection action and includes:The control system closes the feeder feeding mouth lock Door.
Optionally, which performs alarm and protection action and includes:The control system closes the hot wind of coal pulverizer.
An embodiment of the present invention provides a kind of control device of pulverizing process, including:
Acquiring unit, for obtaining the pressure signal inside feeder;
Judging unit, for judging the pressure signal whether less than predetermined threshold value;
Execution unit, for when whether the judging unit determines the pressure signal less than predetermined threshold value, performing overheat and protecting Shield acts, which acts that hot wind is prevented to enter feeder.
Optionally, which is the pressure signal of feeder internal gas.
An embodiment of the present invention provides a kind of control device of pulverizing process, including:
Processor, memory, input-output equipment and bus;
The processor, memory, input-output equipment are connected respectively at the bus;
The processor is used to perform following steps:
Obtain the pressure signal inside feeder;
Judge the pressure signal whether less than predetermined threshold value;
When whether the processor determines the pressure signal less than predetermined threshold value, overheating protection action is performed, which protects Shield acts that hot wind is prevented to enter feeder.
An embodiment of the present invention provides it is a kind of comprising instruction computer program product, when run on a computer, So that the computer performs the control method of foregoing pulverizing process and the program designed by the method for embodiment.
As can be seen from the above technical solutions, the embodiment of the present invention has the following advantages:
In pulverizing process, control system obtains real-time pressure signal inside feeder, when the control system determines this Pressure signal be less than predetermined threshold value when, i.e., run coal bin generation hanging or hole capital after selling all securities caused by feeder break coal when, which holds Row overheating protection acts, which acts that hot wind is prevented to enter feeder.Due to the pressure signal inside feeder The pressure condition inside feeder can be directly fed back, therefore, is protected using the pressure signal inside feeder as overheat is performed The basis for estimation of shield action, can prevent scaling loss of the hot wind to feeder feed belt.
Description of the drawings
Fig. 1 is a schematic diagram of the control method of pulverizing process in the embodiment of the present invention;
Fig. 2 is another schematic diagram of the control method of pulverizing process in the embodiment of the present invention;
Fig. 3 is a schematic diagram of the control device of pulverizing process in the embodiment of the present invention;
Fig. 4 is another schematic diagram of the control device of pulverizing process in the embodiment of the present invention.
Specific embodiment
An embodiment of the present invention provides the control method and control device of a kind of pulverizing process, computer installation, include finger The computer program product of order, for preventing scaling loss of the hot wind to feeder feed belt.
In order to which those skilled in the art is made to more fully understand the present invention program, below in conjunction in the embodiment of the present invention The technical solution in the embodiment of the present invention is clearly and completely described in attached drawing, it is clear that described embodiment is only The embodiment of a part of the invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill people Member's all other embodiments obtained without making creative work should all belong to the model that the present invention protects It encloses.
Term " first ", " second ", " the 3rd " in description and claims of this specification and above-mentioned attached drawing, " Four " etc. be the object for distinguishing similar, without being used to describe specific order or precedence.It should be appreciated that it so uses Data can exchange in the appropriate case, so that the embodiments described herein can be in except illustrating or describing herein Order beyond appearance is implemented.In addition, term " comprising " and " having " and their any deformation, it is intended that covering is non-exclusive Include, be not necessarily limited to clearly arrange for example, containing the process of series of steps or unit, method, system, product or equipment Those steps or unit gone out, but may include not list clearly or consolidate for these processes, method, product or equipment The other steps or unit having.
In order to make it easy to understand, the idiographic flow in the embodiment of the present invention is described below, referring to Fig. 1, of the invention One embodiment of the control method of pulverizing process includes in embodiment:
101st, control system obtains the pressure signal inside feeder;
Control system obtains real-time pressure signal inside feeder incessantly, wherein, which is used to indicate Pressure inside feeder.
In the present embodiment, control system can self-contained device for pressure measurement detect to obtain pressure inside feeder Signal can also receive the pressure signal inside the feeder that other systems are detected by device for pressure measurement, also may be used To be that other manner acquires pressure signal, do not limit herein specifically.
In addition, the pressure signal, which can be device for pressure measurement, detects the electric signal being converted to after pressure parameter, It can be the pressure parameter in the present embodiment measured by device for pressure measurement, can also be the pressure signal of other forms, specifically It does not limit herein.
102nd, whether the control system judges the pressure signal less than predetermined threshold value, if so, step 103 is performed, If it is not, then perform step 101;
The pressure signal that control system acquires step 101 and default pressure signal threshold value comparison height, if should Pressure signal is less than the predetermined threshold value, then performs step 103;If the pressure signal is higher than in the predetermined threshold value, step is performed 101。
In the present embodiment, control system preset pressure signal threshold value under original operating state, the threshold value be used to indicate to The pressure condition of coal machine;When the pressure signal that step 101 acquires is higher than the threshold value, feeder normal work;Work as step When 101 pressure signals acquired are less than the threshold value, feeder occurs abnormal.
103rd, the control system performs overheating protection action.
When the pressure signal that control system verification step 101 acquires is less than predetermined threshold value, control system performed Thermal protection acts, which acts that hot wind is prevented to enter inside feeder.
In the present embodiment, when the pressure signal that control system verification step 101 acquires is less than predetermined threshold value, that is, give There is exception in coal machine, is acted at this point, the control system performs overheating protection according to preset condition, hot wind is prevented to enter in feeder Portion is in contact with feed belt.
In the present embodiment, control system obtains real-time pressure signal inside feeder, when the control system determines the pressure When force signal is less than predetermined threshold value, i.e., run coal bin hanging or hole capital after selling all securities occurs caused by feeder break coal when, control system execution Overheating protection acts, which acts that hot wind is prevented to enter feeder.Since the pressure signal inside feeder can Directly to feed back the pressure condition inside feeder, therefore, using the pressure signal inside feeder as execution overheating protection The basis for estimation of action can prevent scaling loss of the hot wind to feeder feed belt.
In the embodiment of the present application, pressure signal can be the pressure signal of feeder internal gas, or feeder The pressure signal of internal feed belt, or other pressure signals for simply feeder internal pressure situation, specifically It does not limit herein.
Wherein, when feeder works normally, i.e., when feeder transmits raw coal for coal pulverizer incessantly, since raw coal gathers Collect in raw coal bucket, make with feeder extraneous air to completely cut off at feeder feeding mouth, so as to keep opposing seal inside feeder Environment, at this point, the pressure of feeder internal gas is higher, feed belt is subject to the pressure of raw coal larger inside feeder.When When feeder is abnormal, i.e., run coal bin occur hanging or hole capital after selling all securities cause feeder break coal when, break at feeder feeding mouth Coal causes feeder inner air and the contact air outside feeder, at this point, the pressure of feeder internal gas declines, by In disconnected coal, the pressure that feeder inside feed belt receives raw coal also declines therewith.Therefore, the pressure letter of feeder internal gas Number and feeder inside the pressure signal of feed belt may be used to indicate the working condition of feeder.
The present embodiment and following embodiment are only using the pressure signal of feeder internal gas as the pressure inside feeder The example of signal illustrates, and in practical applications, can also be the pressure signal inside the feeder of other forms, it is specific this Place does not limit.
Referring to Fig. 2, another embodiment of the control method of pulverizing process includes in the embodiment of the present application:
201st, control system obtains the pressure signal of feeder internal gas;
Control system obtains the real-time pressure signal of feeder internal gas incessantly.
In the present embodiment, control system can self-contained gas pressure measurement device detect to obtain gas inside feeder The pressure signal of body can also receive the feeder internal gas that other systems are detected by gas pressure measurement device Pressure signal or other manner acquire the pressure signal of feeder internal gas, do not limit herein specifically.
In addition, the pressure signal can be the telecommunications that gas pressure measurement device detection gas pressure is converted to afterwards Number, or the gas pressure in the present embodiment measured by device for pressure measurement can also be the pressure signal of other forms, It does not limit herein specifically.
202nd, the control system judges whether the pressure signal of the gas is less than predetermined threshold value, if so, performing step Rapid 203, if it is not, then performing step 201;
The pressure signal that control system acquires step 201 and default pressure signal threshold value comparison height, if should Pressure signal is less than the predetermined threshold value, then performs step 203;If the pressure signal is higher than in the predetermined threshold value, step is performed 201。
In the present embodiment, control system pre-set gas pressure signal threshold value under original operating state, the threshold value is used to refer to Show the gas pressure situation of feeder;When the gas pressure signal that step 201 acquires is higher than the threshold value, feeder is normal Work;When the gas pressure signal that step 201 acquires is less than the threshold value, feeder occurs abnormal.
203rd, the control system performs overheating protection action.
When the pressure signal that control system verification step 201 acquires is less than predetermined threshold value, control system performed Thermal protection acts, which acts that hot wind is prevented to enter inside feeder.
In the present embodiment, when the pressure signal that control system verification step 201 acquires is less than predetermined threshold value, that is, give There is exception in coal machine, is acted at this point, the control system performs overheating protection according to preset condition, hot wind is prevented to enter in feeder Portion is in contact with feed belt.
Specifically, overheating protection action can be to close feeder discharging port strobe, due to the hot wind master in coal pulverizer It is gathered in outside feeder discharge port, by coin of the realm feeder discharging port strobe hot wind can be prevented to enter by the discharge port to coal Inside machine.In addition, in actual use, due to equipment aging the problems such as, the port strobe that causes to discharge can not completely cut off completely Hot wind enters feeder, and therefore, overheating protection action can also include closing feeder pan feeding port strobe so that in feeder Portion's air relative closure, so as to which hot wind be prevented to enter inside feeder.
In actual use, there is a situation where during disconnected coal, service personnel needs to open the inspection of feeder side door for feeder It repaiies passage and enters inside feeder and overhauled, therefore, to avoid accidentally injuring service personnel, overheating protection action can also include Close the air-heater of coal pulverizer.
In addition, in the present embodiment, being additionally provided with self-test update, prevent from damaging due to line short, open circuit, close to switch Bad, signal caused by module point scaling loss reports the false judgment for causing program by mistake.And routine test system is formulated, it is used according to equipment The frequency monthly or repeatedly carries out logic judgment experiment, to prevent from due to each on-off model mistake in scene feeder being caused to be jumped Lock.
In the present embodiment, control system obtains the real-time pressure signal of feeder internal gas, when the control system determines The gas pressure signal be less than predetermined threshold value when, i.e., run coal bin generation hanging or hole capital after selling all securities caused by feeder break coal when, the control System performs overheating protection action, which acts that hot wind is prevented to enter feeder.Due to feeder internal gas Pressure signal can directly feed back gas pressure situation inside feeder, therefore, with the pressure of feeder internal gas Signal can prevent scaling loss of the hot wind to feeder feed belt as the basis for estimation for performing overheating protection action.
Referring to Fig. 3, the control device of pulverizing process includes in the embodiment of the present application:
Acquiring unit 301, for obtaining the pressure signal inside feeder;
Judging unit 302, for judging the pressure signal whether less than predetermined threshold value;
Execution unit 303, for when whether the judging unit determines the pressure signal less than predetermined threshold value, performing Overheating protection acts, and the overheating protection acts that hot wind is prevented to enter feeder.
Optionally, in some embodiments of the control device of pulverizing process, when the judging unit determines the pressure When whether signal is less than predetermined threshold value, execution unit 303 can be specifically used for:
Close the discharging port strobe of the feeder.
Optionally, in some embodiments of the control device of pulverizing process, when the judging unit determines the pressure When whether signal is less than predetermined threshold value, execution unit 303 can be specifically used for:
Close the pan feeding port strobe of the feeder.
Optionally, in some embodiments of the control device of pulverizing process, when the judging unit determines the pressure When whether signal is less than predetermined threshold value, execution unit 303 can be specifically used for:
Close the air-heater of the coal pulverizer.
In addition, in the present embodiment, the control device of the pulverizing process is additionally provided with self-test update, prevents since circuit is short Road, open circuit report the false judgment for causing program by mistake close to signal caused by switching damage, module point scaling loss.And formulate periodically examination System is tested, logic judgment experiment monthly or is repeatedly carried out according to equipment frequency of usage, to prevent due to each switching value in scene Signal error causes feeder to trip.
The control device of pulverizing process can perform the controlling party of pulverizing process in preceding method embodiment in the present embodiment The technical solution that method performs, implementing principle and technical effect are similar, and details are not described herein again.
In the present embodiment, acquiring unit 301 obtains the real-time pressure signal of feeder internal gas, when judging unit 302 Determine the gas pressure signal be less than predetermined threshold value when, i.e., run coal bin generation hanging or hole capital after selling all securities caused by feeder break coal when, hold Row unit 303 performs overheating protection action, which acts that hot wind is prevented to enter feeder.Inside feeder The pressure signal of gas can directly feed back the gas pressure situation inside feeder, therefore, with feeder internal gas Pressure signal can prevent scaling loss of the hot wind to feeder feed belt as the basis for estimation for performing overheating protection action.
Referring to Fig. 4, another embodiment of the control device of pulverizing process includes in the embodiment of the present application:
The control device 400 can generate bigger difference due to configuration or different performance, can include one or one It more than central processing unit (centralprocessing units, CPU) 401 (for example, one or more processors) and deposits Reservoir 405 is stored with one or more application program or data in the memory 405.
Wherein, memory 405 can be volatile storage or persistent storage.Being stored in the program of memory 405 can wrap One or more modules are included, each module can include operating the series of instructions in server.Further, in Central processor 401 could be provided as communicating with memory 405, and a series of fingers in memory 405 are performed on control device 400 Order operation.
Control device 400 can also include one or more power supplys 402, one or more wired or wireless nets Network interface 403, one or more input/output interfaces 404 and/or, one or more operating systems, such as Windows ServerTM, Mac OS XTM, UnixTM, LinuxTM, FreeBSDTM etc..
Method flow described in the flow and previous embodiment performed by central processing unit 401 in 400 in the present embodiment The step of middle execution, is similar, and details are not described herein again.It is apparent to those skilled in the art that the convenience for description With it is succinct, the specific work process of the system, apparatus, and unit of foregoing description may be referred to the correspondence in preceding method embodiment Process, details are not described herein.
In several embodiments provided herein, it should be understood that disclosed system, apparatus and method can be with It realizes by another way.For example, the apparatus embodiments described above are merely exemplary, for example, the unit Division is only a kind of division of logic function, can there is other dividing mode, such as multiple units or component in actual implementation It may be combined or can be integrated into another system or some features can be ignored or does not perform.It is another, it is shown or The mutual coupling, direct-coupling or communication connection discussed can be the indirect coupling by some interfaces, device or unit It closes or communicates to connect, can be electrical, machinery or other forms.
The unit illustrated as separating component may or may not be physically separate, be shown as unit The component shown may or may not be physical location, you can be located at a place or can also be distributed to multiple In network element.Some or all of unit therein can be selected to realize the mesh of this embodiment scheme according to the actual needs 's.
In addition, each functional unit in each embodiment of the present invention can be integrated in a processing unit, it can also That unit is individually physically present, can also two or more units integrate in a unit.Above-mentioned integrated list The form that hardware had both may be employed in member is realized, can also be realized in the form of SFU software functional unit.
If the integrated unit is realized in the form of SFU software functional unit and is independent production marketing or use When, it can be stored in a computer read/write memory medium.Based on such understanding, technical scheme is substantially The part to contribute in other words to the prior art or all or part of the technical solution can be in the form of software products It embodies, which is stored in a storage medium, is used including some instructions so that a computer Equipment (can be personal computer, server or the network equipment etc.) performs the complete of each embodiment the method for the present invention Portion or part steps.And foregoing storage medium includes:USB flash disk, mobile hard disk, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), magnetic disc or CD etc. are various can store journey The medium of sequence code.
The above, the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations;Although with reference to before Embodiment is stated the present invention is described in detail, it will be understood by those of ordinary skill in the art that:It still can be to preceding The technical solution recorded in each embodiment is stated to modify or carry out equivalent substitution to which part technical characteristic;And these Modification is replaced, and the essence of appropriate technical solution is not made to depart from the spirit and scope of various embodiments of the present invention technical solution.

Claims (10)

1. a kind of control method of pulverizing process, which is characterized in that including:
Control system obtains the pressure signal inside feeder;
Whether the control system judges the pressure signal less than predetermined threshold value;
If so, the control system performs overheating protection action, the overheating protection acts to prevent the hot wind of coal pulverizer Into feeder.
2. according to the method described in claim 1, it is characterized in that, the pressure signal is the pressure of the feeder internal gas Force signal.
3. according to the method described in claim 1, it is characterized in that, the pressure signal is feed belt inside the feeder Pressure signal.
4. method according to any one of claims 1 to 3, which is characterized in that the control system performs overheating protection and moves Work includes:
The control system closes the discharging port strobe of the feeder.
5. according to the method described in claim 4, it is characterized in that, control system execution overheating protection action includes:
The control system closes the pan feeding port strobe of the feeder.
6. according to the method described in claim 4, it is characterized in that, control system execution overheating protection action includes:
The control system closes the air-heater of the coal pulverizer.
7. a kind of control device of pulverizing process, which is characterized in that including:
Acquiring unit, for obtaining the pressure signal inside feeder;
Judging unit, for judging the pressure signal whether less than predetermined threshold value;
Execution unit, for when whether the judging unit determines the pressure signal less than predetermined threshold value, performing overheat and protecting Shield acts, and the overheating protection acts that hot wind is prevented to enter feeder.
8. control device according to claim 7, which is characterized in that the pressure signal is the pressure of feeder internal gas Force signal.
9. a kind of computer installation, which is characterized in that including:
Processor, memory, input-output equipment and bus;
The processor, memory, input-output equipment are connected respectively with the bus;
The processor is used to perform following steps:
Obtain the pressure signal inside feeder;
Judge the pressure signal whether less than predetermined threshold value;
When whether the processor determines the pressure signal less than predetermined threshold value, overheating protection action, the overheat are performed Protection act is used to that hot wind to be prevented to enter feeder.
10. a kind of computer program product for including instruction, which is characterized in that when run on a computer so that described Computer performs such as claim 1 to 6 any one of them method.
CN201711395344.7A 2017-12-21 2017-12-21 The control method and device of pulverizing process Pending CN108062065A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711395344.7A CN108062065A (en) 2017-12-21 2017-12-21 The control method and device of pulverizing process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711395344.7A CN108062065A (en) 2017-12-21 2017-12-21 The control method and device of pulverizing process

Publications (1)

Publication Number Publication Date
CN108062065A true CN108062065A (en) 2018-05-22

Family

ID=62139682

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711395344.7A Pending CN108062065A (en) 2017-12-21 2017-12-21 The control method and device of pulverizing process

Country Status (1)

Country Link
CN (1) CN108062065A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109283912A (en) * 2018-08-07 2019-01-29 浙江大学 A kind of distributed sound coordination with the synthesis monitoring method towards intelligent power plant's large size Thermal generation unit pulverized coal preparation system

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201184602Y (en) * 2008-03-29 2009-01-21 朱俊明 Anti-backfire anti-burning adhesive tape heat insulation protecting device of coal supply machine
CN201827901U (en) * 2010-10-20 2011-05-11 广东理文造纸有限公司 Coal feeding system capable of judging coal blockage and coal interruption
CN202400491U (en) * 2012-01-17 2012-08-29 哈尔滨润河科技有限公司 Coal chute pneumatic unblocking device capable of realizing automatic control
CN205447730U (en) * 2015-12-29 2016-08-10 大同煤矿集团有限责任公司 Power station feeder fire protection system
CN206068970U (en) * 2016-09-23 2017-04-05 浙江硕成自动化设备有限公司 Coal feeder control system based on PLC

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201184602Y (en) * 2008-03-29 2009-01-21 朱俊明 Anti-backfire anti-burning adhesive tape heat insulation protecting device of coal supply machine
CN201827901U (en) * 2010-10-20 2011-05-11 广东理文造纸有限公司 Coal feeding system capable of judging coal blockage and coal interruption
CN202400491U (en) * 2012-01-17 2012-08-29 哈尔滨润河科技有限公司 Coal chute pneumatic unblocking device capable of realizing automatic control
CN205447730U (en) * 2015-12-29 2016-08-10 大同煤矿集团有限责任公司 Power station feeder fire protection system
CN206068970U (en) * 2016-09-23 2017-04-05 浙江硕成自动化设备有限公司 Coal feeder control system based on PLC

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
熊立红: "《燃料运输设备及系统》", 31 December 2005, 中国电力出版社 *
王祥薇 等: "《单元机组集控运行与技能训练》", 31 December 2011, 中国电力出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109283912A (en) * 2018-08-07 2019-01-29 浙江大学 A kind of distributed sound coordination with the synthesis monitoring method towards intelligent power plant's large size Thermal generation unit pulverized coal preparation system
CN109283912B (en) * 2018-08-07 2020-06-30 浙江大学 Distributed dynamic and static cooperative comprehensive monitoring method for pulverizing system of large coal-fired generator set of intelligent power plant

Similar Documents

Publication Publication Date Title
CN105004492B (en) The detection method and device of air-conditioner set refrigerant leakage
CN104850805B (en) A kind of device and method for protecting chip system sensitive information
Maglaras et al. Ocsvm model combined with k-means recursive clustering for intrusion detection in scada systems
CN105122253A (en) System and method for providing monitoring of industrial equipment
CN106463996A (en) Power adapter, terminal, and method for processing exception of charging loop
CN107765658A (en) A kind of compressor control method based on Internet of Things, apparatus and system
CN106773993A (en) Field data acquiring terminal and system
CN106549366A (en) Electrical Safety detection protection circuit, switchgear or socket
CN103561178A (en) Mobile terminal
CN107449991A (en) Electrical heating module misoperation detection method and device and air conditioner
CN104601401A (en) Detection method, device and system of cloud control household appliances
CN108062065A (en) The control method and device of pulverizing process
CN105589376B (en) A kind of alarm control method, device and air-conditioner controller
CN104501873B (en) Integrated information monitoring system for ring main unit
CN116894247B (en) Method and system for protecting computer system security
CN105074833B (en) The device that unauthorized for identifying the system mode to control and adjustment unit manipulates and the nuclear facilities with the device
CN117439916A (en) Network security test evaluation system and method
CN108090384A (en) A kind of metal line detector and chip
CN109357356A (en) Fault handling method and device, household appliance
CN106559249A (en) Check the method and device of security baseline
CN106899977A (en) The abnormal flow method of inspection and device
CN105184198B (en) Detect guard method and mobile terminal
CN113704066A (en) Machine room equipment monitoring and management method, storage medium and system
CN105094266B (en) Battery protection system and battery protection method
CN105553786A (en) Network behavior safety detection method and device

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180522