CN201731635U - Water boiler automatic control system - Google Patents
Water boiler automatic control system Download PDFInfo
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- CN201731635U CN201731635U CN2010201223894U CN201020122389U CN201731635U CN 201731635 U CN201731635 U CN 201731635U CN 2010201223894 U CN2010201223894 U CN 2010201223894U CN 201020122389 U CN201020122389 U CN 201020122389U CN 201731635 U CN201731635 U CN 201731635U
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 111
- 239000003245 coal Substances 0.000 claims abstract description 23
- 230000001939 inductive effect Effects 0.000 claims description 19
- 238000002485 combustion reaction Methods 0.000 claims description 17
- 230000005540 biological transmission Effects 0.000 claims description 12
- 239000008400 supply water Substances 0.000 claims description 6
- 230000001960 triggered effect Effects 0.000 claims 1
- 238000003912 environmental pollution Methods 0.000 abstract description 9
- 238000006477 desulfuration reaction Methods 0.000 description 8
- 230000023556 desulfurization Effects 0.000 description 8
- 239000007789 gas Substances 0.000 description 6
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000002950 deficient Effects 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Control Of Steam Boilers And Waste-Gas Boilers (AREA)
Abstract
The utility model provides a water boiler automatic control system comprising a programmable control device and an operator station, wherein the programmable control device is connected to the operator station through an industrial Ethernet and comprises an acquisition device and a controller; the acquisition device is connected to the controller and used for collecting all the operating parameters of the water boiler and associated equipment thereof; the controller is used for controlling the water boiler and associated equipment thereof according to the control command and all the operating parameters, and also used for sending all the operating parameters; the operator station is used for displaying the current state of the water boiler and associated equipment thereof according to all the operating parameters; and according to the current state of the water boiler and associated equipment thereof, the sequential control command and the control command are programmed manually and sent. The system realizes the aims of reducing coal consumption, improving thermal efficiency and reducing environmental pollution.
Description
Technical field
The utility model relates to the automatic control technology field, relates in particular to a kind of hot-water boiler automatic control system.
Background technology
In the prior art, hot-water boiler is controlled according to traditional instrument and meter by experienced workman mostly.At present, the annual China's raw coal output quantity that consumes of hot-water boiler that China had is surprising, owing to manually carry out the hot-water boiler operation, and makes hot-water boiler be in always that coal consumption height, the thermal efficiency are low, the production status of environmental pollution.
The utility model content
The utility model provides a kind of hot-water boiler automatic control system, because the operation of Artificial Control hot-water boiler, and makes hot-water boiler be in always that coal consumption height, the thermal efficiency are low, the defective of the production status of environmental pollution in order to solve in the prior art.
The utility model provides a kind of hot-water boiler automatic control system, comprising:
Programmable control unit;
Be used to receive every operational factor that slave controller sends, and according to described every operational factor, current state to hot-water boiler and relevant device thereof shows, and according to the current state of described hot-water boiler and relevant device thereof, by the operator station of artificial programmed order control instruction and control instruction and transmission, described programmable control unit is connected in described operator station by EPA;
Described programmable control unit comprises:
Be used to gather the harvester of every operational factor of described hot-water boiler and relevant device thereof;
Be used to receive from what described operator station sent and comprise the boot sequence control instruction and stop the sequence control instruction and the control instruction of sequence control instruction, according to described boot sequence control instruction, described hot-water boiler and relevant device thereof are carried out boot sequence control, according to the described sequence control instruction that stops, described hot-water boiler and relevant device thereof are stopped sequential control, and in the running of described hot-water boiler and relevant device thereof, being used for according to described control instruction and every operational factor described hot-water boiler and relevant device thereof being carried out combustion chamber draft controls automatically, supply water temperature is controlled automatically, the blow rate required is controlled automatically, coal seam thickness is controlled automatically, and the described controller that sends described every operational factor;
Wherein, described boot sequence is controlled to be the start-up control successively to circulating pump, air-introduced machine, air blast, fire grate and layering coal supply equipment, described stop sequential control for to described layering coal supply equipment, described fire grate and described air blast, described air-introduced machine and described circulating pump stop successively control;
Described harvester is connected in described controller, and described harvester and described controller are connected to described hot-water boiler and relevant device thereof.
Hot-water boiler automatic control system of the present utility model, receive the every operational factor and the demonstration of sending from programmable control unit by operator station, and can be by the staff with reference to every operational factor, and artificial programming Control instruction and transmission, described hot-water boiler and relevant device thereof are controlled according to described control instruction and every operational factor by programmable control unit again, solved in the prior art because the operation of Artificial Control hot-water boiler, and make hot-water boiler be in the coal consumption height always, the thermal efficiency is low, the defective of the production status of environmental pollution, realized that hot-water boiler reduces coal consumption, improve the thermal efficiency, reduce the purpose of environmental pollution.
Description of drawings
Fig. 1 is the utility model hot-water boiler automatic control system embodiment one flow chart;
Fig. 2 is the utility model hot-water boiler automatic control system embodiment two flow charts.
The specific embodiment
Fig. 1 is the utility model hot-water boiler automatic control system embodiment one flow chart.As shown in Figure 1, the novel hot water boiler automatic control system of this enforcement comprises programmable control unit 12 and operator station 11, and this programmable control unit 12 is connected in operator station 11 by EPA, and carries out mutual communication by ICP/IP protocol; Wherein, programmable control unit 12 comprises harvester 121 and controller 122, harvester 121 is formed by various sensor combination, harvester 121 is connected with controller 122, and harvester 121 and controller 122 are connected to hot-water boiler and relevant device thereof, and relevant device comprises feed pump, air blast, air-introduced machine and circulating pump etc.
In the process of hot-water boiler and relevant device operation thereof, harvester 121 is used to gather every operational factor of hot-water boiler and relevant device thereof, and every operational factor comprises discharge pressure, water supply flow, leaving water temperature, intake pressure, inflow temperature, fire box temperature, combustion chamber draft, exhaust gas temperature, smoke evacuation pressure, blast pressure, the air blast electric current, the air blast frequency, air inducing pressure, the air inducing temperature, the air inducing electric current, the air inducing frequency, the fire grate rotating speed, the fire grate electric current, desulfurization temperature, desulfurization pressure, the dedusting temperature, dedusting pressure, the circulating pump electric current, the circulating pump frequency, fan conditions, the air-introduced machine state, the fire grate state, circulating pump state etc.; And every operational factor is sent to controller 122.
Particularly, combustion chamber draft is controlled automatically, supply water temperature is controlled automatically, the blow rate required is controlled automatically and coal seam thickness is controlled to be four main tasks in the boiler combustion automatically.
Keep coal gas and AIR Proportional make coefficient of excess air about 1.08, the economy of combustion process, keep combustion chamber draft, so the automatic adjusting of boiler combustion process is a complicated problems.The size of combustion chamber draft mainly is subjected to air inducing pressure, blast pressure and gas pressure three's influence; Combustion chamber draft is too little, outside flame of burner hearth and external leakage blast furnace gas, the safety that jeopardizes equipment and operations staff; Combustion chamber draft is too big, and the burner hearth inleakage increases, and flue gas loss increases, and the air-introduced machine power consumption increases.The discharge pressure that concrete control procedure can be gathered according to harvester 121, water supply flow, leaving water temperature, intake pressure, inflow temperature, fire box temperature, combustion chamber draft, exhaust gas temperature, smoke evacuation pressure, blast pressure, the air blast electric current, the air blast frequency, air inducing pressure, the air inducing temperature, the air inducing electric current, the air inducing frequency, the fire grate rotating speed, the fire grate electric current, desulfurization temperature, desulfurization pressure, the dedusting temperature, dedusting pressure, the circulating pump electric current, the circulating pump frequency, fan conditions, the air-introduced machine state, the fire grate state, operational factor such as circulating pump state with control by the artificial relevant control instruction that is provided with of the operating personnel at operator station 11 places.
And controller 122 also is used to send every operational factor to operator station 11.
Operator station 11 receives the discharge pressure that slave controller 122 sends, water supply flow, leaving water temperature, intake pressure, inflow temperature, fire box temperature, combustion chamber draft, exhaust gas temperature, smoke evacuation pressure, blast pressure, the air blast electric current, the air blast frequency, air inducing pressure, the air inducing temperature, the air inducing electric current, the air inducing frequency, the fire grate rotating speed, the fire grate electric current, desulfurization temperature, desulfurization pressure, the dedusting temperature, dedusting pressure, the circulating pump electric current, the circulating pump frequency, fan conditions, the air-introduced machine state, the fire grate state, every operational factors such as circulating pump state, and, the current state of hot-water boiler and relevant device thereof is shown according to every operational factor; And current state according to hot-water boiler and relevant device thereof, by the artificial programmed order control instruction of operating personnel and control instruction and transmission, for example the current state of hot-water boiler and relevant device thereof is a halted state, if want to start can manually programme boot sequence control instruction and transmission.
The hot-water boiler automatic control system of present embodiment, receive the every operational factor and the demonstration of sending from programmable control unit by operator station, and can be by the staff with reference to every operational factor, and artificial programming Control instruction and transmission, hot-water boiler and relevant device thereof are controlled according to control instruction and every operational factor by programmable control unit again, solved in the prior art because the operation of Artificial Control hot-water boiler, and make hot-water boiler be in the coal consumption height always, the thermal efficiency is low, the defective of the production status of environmental pollution, realized that hot-water boiler reduces coal consumption, improve the thermal efficiency, reduce the purpose of environmental pollution.
Fig. 2 is the utility model hot-water boiler automatic control system embodiment two flow charts.On the basis of the foregoing description one, in conjunction with illustrated in figures 1 and 2, the utility model hot-water boiler automatic control system also comprises warning device 13, this warning device 13 is connected in programmable control unit 12, and this warning device 13 comprises alarm module 131 and trigger module 132, and alarm module 131 is connected in trigger module 132; Programmable control unit 12 also comprises accident record equipment 123, and this accident record equipment 123 is connected in controller 122, and this accident record equipment 123 comprises logging modle 1231 and transport module 1232; Operator station 11 comprises first receiver module 112, display module 111, first sending module 113 and input equipment 114, and display module 111, first sending module 113 and input equipment 114 are connected to first receiver module 112; Controller 12 comprises that second receiver module 1222, sequential control module 1221, control module 1223, second sending module 1224 and judge module 1225, the second sending modules 1224, sequential control module 1221, control module 1223 and judge module 1225 are connected to second receiver module 1222;
Wherein, in operator station 11 sides, when boiler and relevant device thereof also are not activated, operating personnel can be known by the demonstration of display module 111, operating personnel can stand boot sequence control instruction input operator in 11 by input equipment 114, and can show, and can be sent to programmable control unit 12 sides by first sending module 113 by display module 111; Simultaneously, the mode that operating personnel also can show by display module 111, the input operator stands in 11 by input equipment 114 with relevant control command, and is sent to programmable control unit 12 sides by first sending module 113;
When the need manually-operated shuts down, operating personnel can will stop the sequence control instruction input operator by input equipment 114 and stand in 11, and can show by display module 111, and can be sent to programmable control unit 12 sides by first sending module 113.
In programmable control unit 12 sides, second receiver module 1222 receives the boot sequence control instruction of sending from operator station 11, and by sequential control module 1221 according to the boot sequence control instruction, hot-water boiler and relevant device thereof are carried out boot sequence control, boot sequence is controlled to be the start-up control successively to circulating pump, air-introduced machine, air blast, fire grate and layering coal supply equipment, then hot-water boiler and relevant device thereof start operation, and relevant device comprises feed pump, air blast, air-introduced machine and circulating pump etc.; Second receiver module 1222 also can receive from what operator station 11 sent and stop sequence control instruction, and stop sequence control instruction by sequential control module 1221 bases, hot-water boiler and relevant device thereof are stopped sequential control, stop sequential control for to layering coal supply equipment, fire grate, air blast, air-introduced machine and circulating pump stop successively control, then hot-water boiler and relevant device thereof are out of service; Second receiver module 1222 receives the relevant control command of sending from operator station 11 simultaneously.
In the running of hot-water boiler and relevant device thereof, harvester 121 is gathered every operational factor of hot-water boiler and relevant device thereof in real time, every operational factor comprises discharge pressure, water supply flow, leaving water temperature, intake pressure, inflow temperature, fire box temperature, combustion chamber draft, exhaust gas temperature, smoke evacuation pressure, blast pressure, the air blast electric current, the air blast frequency, air inducing pressure, the air inducing temperature, the air inducing electric current, the air inducing frequency, the fire grate rotating speed, the fire grate electric current, desulfurization temperature, desulfurization pressure, the dedusting temperature, dedusting pressure, the circulating pump electric current, the circulating pump frequency, fan conditions, the air-introduced machine state, the fire grate state, circulating pump state etc., and send every operational factor to controller 122.
And the relevant control command that is received according to second receiver module 1222 by control module 1223 in the controller 122 and every operational factor are carried out hot-water boiler and relevant device thereof, and combustion chamber draft is controlled automatically, supply water temperature is controlled automatically, the blow rate required is controlled automatically, coal seam thickness is controlled automatically.And can every operational factor be sent to operator station 11 by second sending module 1224; Because every operational factor of first receiver module 112, and by display module 111 according to every operational factor, the current state of hot-water boiler and relevant device thereof is shown.
Every operational factor that judge module 1225 in the controller 122 is gathered in real time according to harvester 121, judge whether hot-water boiler and relevant device thereof exist problems such as the super upper limit of leaving water temperature, the super upper limit of discharge pressure, the super lower limit of discharge pressure, the super lower limit of water flow, air blast fault, air inducing fault, grate failure or circulating pump fault, if then generate fault message and warning message and transmission; At this moment the alarm module in the warning device 13 131 receives warning message and carries out sound and light alarm, trigger module 132 is at alarm module 131 when the super upper limit, the super upper limit of discharge pressure, the super lower limit of discharge pressure or circulating pump fault are carried out sound and light alarm owing to leaving water temperature, the 1221 pairs of hot-water boilers of sequential control module and the relevant device thereof that trigger in the controller 122 stop sequential control, and warning message also can be sent to operator station 11 sides, receive by first receiver module 112, and show by display module 111; Moreover, receive fault message and this fault message is carried out record by the logging modle in the accident record equipment 123 1231, and transmit these fault messages to operator station 11 by transport module 1232, fault message is presented on the display module 111.
When the operating personnel of operator station 11 shown hot-water boiler and the current state of relevant device thereof on according to display module 111, and need reset relevant parameter the time, can be by the mode of display module 111 demonstrations, the relevant control instruction input operator who utilizes input equipment 114 to upgrade stands in 11, and can be sent to programmable control unit 12 sides by first sending module 113; Controller 122 by programmable control unit 12 sides is controlled hot-water boiler and relevant device thereof according to relevant control instruction and the every operational factor upgraded.
The hot-water boiler automatic control system of present embodiment, receive the every operational factor and the demonstration of sending from programmable control unit by operator station, and can be by the staff with reference to every operational factor, and artificial programming Control instruction and transmission, hot-water boiler and relevant device thereof are controlled according to control instruction and every operational factor by programmable control unit again, solved in the prior art because the operation of Artificial Control hot-water boiler, and make hot-water boiler be in the coal consumption height always, the thermal efficiency is low, the defective of the production status of environmental pollution, realized that hot-water boiler reduces coal consumption, improve the thermal efficiency, reduce the purpose of environmental pollution.
It should be noted that at last: above embodiment only in order to the explanation the technical solution of the utility model, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: it still can be made amendment to the technical scheme that aforementioned each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of each embodiment technical scheme of the utility model.
Claims (10)
1. a hot-water boiler automatic control system is characterized in that, comprising:
Programmable control unit;
Be used to receive every operational factor that slave controller sends, and according to described every operational factor, current state to hot-water boiler and relevant device thereof shows, and according to the current state of described hot-water boiler and relevant device thereof, by the operator station of artificial programmed order control instruction and control instruction and transmission, described programmable control unit is connected in described operator station by EPA;
Described programmable control unit comprises:
Be used to gather the harvester of every operational factor of described hot-water boiler and relevant device thereof;
Be used to receive from what described operator station sent and comprise the boot sequence control instruction and stop the sequence control instruction and the control instruction of sequence control instruction, according to described boot sequence control instruction, described hot-water boiler and relevant device thereof are carried out boot sequence control, according to the described sequence control instruction that stops, described hot-water boiler and relevant device thereof are stopped sequential control, and in the running of described hot-water boiler and relevant device thereof, being used for according to described control instruction and every operational factor described hot-water boiler and relevant device thereof being carried out combustion chamber draft controls automatically, supply water temperature is controlled automatically, the blow rate required is controlled automatically, coal seam thickness is controlled automatically, and the described controller that sends described every operational factor;
Wherein, described boot sequence is controlled to be the start-up control successively to circulating pump, air-introduced machine, air blast, fire grate and layering coal supply equipment, described stop sequential control for to described layering coal supply equipment, described fire grate and described air blast, described air-introduced machine and described circulating pump stop successively control;
Described harvester is connected in described controller, and described harvester and described controller are connected to described hot-water boiler and relevant device thereof.
2. hot-water boiler automatic control system according to claim 1 is characterized in that, described operator station comprises:
Be used to receive first receiver module of every operational factor of sending from described controller;
According to described every operational factor, the display module that the current state of described hot-water boiler and relevant device thereof is shown;
Be used for current state, by first sending module of the described sequence control instruction of artificial programming and control instruction and transmission according to described hot-water boiler and relevant device thereof;
The described display module and first sending module are connected to described first receiver module.
3. hot-water boiler automatic control system according to claim 2 is characterized in that, described operator station also comprises:
Be used to receive described sequence control instruction and control instruction by artificial programming, and send the input equipment of the described display module and first sending module to, described input unit is connected to the described display module and first sending module, and described display module shows described sequence control instruction and control instruction transmission.
4. hot-water boiler automatic control system according to claim 1 is characterized in that, described controller comprises:
Be used to receive from what described operator station sent and comprise the boot sequence control instruction and stop the sequence control instruction of sequence control instruction and second receiver module of control instruction;
Be used for according to described boot sequence control instruction, described hot-water boiler and relevant device thereof are carried out boot sequence control, and according to the described sequence control instruction that stops, described hot-water boiler and relevant device thereof are stopped the sequential control module of sequential control;
Be used for running, described hot-water boiler and relevant device thereof carried out the control module that combustion chamber draft is controlled automatically, supply water temperature is controlled automatically, the blow rate required is controlled automatically, coal seam thickness is controlled automatically according to described control instruction and every operational factor at described hot-water boiler and relevant device thereof;
Be used to send second sending module of described every operational factor;
Described second sending module, described sequential control module and described control module are connected to described second receiver module.
5. hot-water boiler automatic control system according to claim 4 is characterized in that, described controller also comprises:
Be used for according to described every operational factor, judge whether described hot-water boiler and relevant device thereof exist the super upper limit of leaving water temperature, the super upper limit of discharge pressure, the super lower limit of discharge pressure, the super lower limit of water flow, air blast fault, air inducing fault, grate failure or circulating pump fault, if, the judge module that then generates fault message and warning message and send, described judge module is connected in described second receiver module.
6. hot-water boiler automatic control system according to claim 5 is characterized in that, also comprises:
The warning device that is used to receive described warning message and carries out sound and light alarm, described warning device is connected in described programmable control unit;
When described warning device carries out sound and light alarm owing to the super upper limit of leaving water temperature, the super upper limit of discharge pressure, the super lower limit of discharge pressure or circulating pump fault, trigger described controller, make described controller stop sequential control described hot-water boiler and relevant device thereof.
7. hot-water boiler automatic control system according to claim 6 is characterized in that, described warning device comprises:
The alarm module that is used to receive described warning message and carries out sound and light alarm;
Be used at described alarm module because the super upper limit of steam pressure is carried out sound and light alarm or owing to when the super lower limit of steam water-level carries out sound and light alarm, triggered described controller stops sequential control to described hot-water boiler and relevant device thereof trigger module;
Described alarm module is connected in described trigger module.
8. hot-water boiler automatic control system according to claim 5 is characterized in that, described programmable control unit also comprises:
Be used to receive described fault message and described fault message is carried out record, and transfer to the accident record equipment of described operator station, described accident record equipment is connected in described controller.
9. hot-water boiler automatic control system according to claim 8 is characterized in that, described accident record equipment comprises:
Be used to the logging modle that receives described fault message and described fault message is write down;
Be used to transmit the transport module of described fault message to described operator station.
10. hot-water boiler automatic control system according to claim 8 is characterized in that, described operator station comprises:
Be used to receive every operational factor of sending, and receive first receiver module of the fault message that sends from described transmission unit from described controller;
According to described every operational factor, the current state of described hot-water boiler and relevant device thereof is shown, and the display module that described fault message is shown;
Be used for current state, by first sending module of the described sequence control instruction of artificial programming and control instruction and transmission according to described hot-water boiler and relevant device thereof;
Described display module is connected described first receiver module respectively with first sending module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201223894U CN201731635U (en) | 2010-03-02 | 2010-03-02 | Water boiler automatic control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010201223894U CN201731635U (en) | 2010-03-02 | 2010-03-02 | Water boiler automatic control system |
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| CN201731635U true CN201731635U (en) | 2011-02-02 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103542533A (en) * | 2013-09-18 | 2014-01-29 | 北京华通兴远供热节能技术有限公司 | Boiler combustion and waste heat recovery integrated monitoring intelligent control system |
| CN103968540A (en) * | 2013-01-28 | 2014-08-06 | 北京玖鼎力源科技有限公司 | Gradient heat temperature-control boiler |
| CN104483946A (en) * | 2014-12-15 | 2015-04-01 | 北京大邦实创节能技术服务有限公司 | Automatic control system and method for pulverized coal boiler |
| CN108866282A (en) * | 2018-06-29 | 2018-11-23 | 浙江今飞凯达轮毂股份有限公司 | The control method of heat-treatment furnace and the control system of heat-treatment furnace |
| CN108854855A (en) * | 2018-06-19 | 2018-11-23 | 国家能源投资集团有限责任公司 | The facility information display methods and medium of olefin reactor feed pretreatment device |
| CN113685795A (en) * | 2021-08-30 | 2021-11-23 | 四川广旺能源发展(集团)有限责任公司电力分公司 | Steam turbine boiler centralized control system |
-
2010
- 2010-03-02 CN CN2010201223894U patent/CN201731635U/en not_active Expired - Lifetime
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103968540A (en) * | 2013-01-28 | 2014-08-06 | 北京玖鼎力源科技有限公司 | Gradient heat temperature-control boiler |
| CN103542533A (en) * | 2013-09-18 | 2014-01-29 | 北京华通兴远供热节能技术有限公司 | Boiler combustion and waste heat recovery integrated monitoring intelligent control system |
| CN103542533B (en) * | 2013-09-18 | 2016-08-17 | 北京华通兴远供热节能技术有限公司 | Boiler combustion and waste heat recovery comprehensive monitoring intelligence control system |
| CN104483946A (en) * | 2014-12-15 | 2015-04-01 | 北京大邦实创节能技术服务有限公司 | Automatic control system and method for pulverized coal boiler |
| CN108854855A (en) * | 2018-06-19 | 2018-11-23 | 国家能源投资集团有限责任公司 | The facility information display methods and medium of olefin reactor feed pretreatment device |
| CN108866282A (en) * | 2018-06-29 | 2018-11-23 | 浙江今飞凯达轮毂股份有限公司 | The control method of heat-treatment furnace and the control system of heat-treatment furnace |
| CN108866282B (en) * | 2018-06-29 | 2020-01-10 | 浙江今飞凯达轮毂股份有限公司 | Control method and control system for heat treatment furnace |
| CN113685795A (en) * | 2021-08-30 | 2021-11-23 | 四川广旺能源发展(集团)有限责任公司电力分公司 | Steam turbine boiler centralized control system |
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Owner name: BEIJING RUI CHI REID ELECTRICAL ENGINEERING CO., L Free format text: FORMER OWNER: LI XIAOMING Effective date: 20110602 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20110602 Address after: 100083, Beijing, Haidian District learning Road 16, learning Hin room 1416 Patentee after: BEIJING RUICHI REID ELECTRICAL ENGINEERING CO., LTD. Address before: 100083, Beijing, Haidian District learning Road 16, learning Hin room 1416 Patentee before: Li Xiaoming Effective date of registration: 20110602 Address after: 100083, Beijing, Haidian District learning Road 16, learning Hin room 1416 Patentee after: BEIJING RUICHI REID ELECTRICAL ENGINEERING CO., LTD. Address before: 100083, Beijing, Haidian District learning Road 16, learning Hin room 1416 Patentee before: Li Xiaoming |
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| CX01 | Expiry of patent term |
Granted publication date: 20110202 |
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| DD01 | Delivery of document by public notice |
Addressee: BEIJING RUICHI REID ELECTRICAL ENGINEERING Co.,Ltd. Document name: Notification of Expiration of Patent Right Duration |