CN201836028U - Fan frequency conversion control system for kilns - Google Patents
Fan frequency conversion control system for kilns Download PDFInfo
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- CN201836028U CN201836028U CN2010205240210U CN201020524021U CN201836028U CN 201836028 U CN201836028 U CN 201836028U CN 2010205240210 U CN2010205240210 U CN 2010205240210U CN 201020524021 U CN201020524021 U CN 201020524021U CN 201836028 U CN201836028 U CN 201836028U
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Abstract
The utility model provides a fan frequency conversion control system for kilns. The control system consists of an smoke venting fan circuit, a heat exhaust fan circuit and a combustion fan circuit which are connected onto a three-phase power source and comprise main control circuits and standby control circuits, one end of each main control circuit is connected onto the three-phase power source while the other end of each main control circuit is connected with a corresponding fan after being connected with one end of each standby control circuit, each standby control circuit comprises a standby contactor and a standby frequency converter, wherein one end of each standby contactor is connected with each main control circuit while the other end of each standby contactor is connected to one end of each standby frequency converter, and the other end of each standby frequency converter is connected to the three-phase power source via a standby switch. In the scheme, the standby frequency converter is connected with the three-phase power source so as to guarantee unchanged pressure in a kiln and prevent loss after fan frequency converters are in fault. After adopting the scheme, the fan frequency conversion control system can greatly increase productivity of equipment, and is simple in operation, fine in stability and high in practicality.
Description
Technical field:
The utility model relates to the kiln technical field of automatic control, especially a kind of frequency-changing control system of fan that is used for kiln.
Background technique:
Progress according to present automation control, under present Market competition, the demand that roller way kiln is produced in the ceramic industry, increase operation ratio, save cost, it is essential that blower fan adopts Frequency Converter Control, but when having a frequency conversion to break down in the kiln blower fan, influence the stopping production of whole production line, control mode can not satisfy the needs of present production far away, the roller way kiln blower fan can't be guaranteed its operation ratio, causes the product in the whole piece kiln in this process, and major part becomes substandard product, such product not only can not be sold out, and pollute the environment, being the very big difficulty of efforts at environmental protection increase, loss can't be calculated.
Summary of the invention:
The purpose of this utility model is to overcome the deficiencies in the prior art, and a kind of frequency-changing control system of fan that is used for simple to operate, the good stability of kiln is provided.
For achieving the above object, technological scheme provided by the utility model is: a kind of frequency-changing control system of fan that is used for kiln, described control system is by the smoke exhaust fan circuit that is connected on the three phase mains, take out the air heater circuit, the combustion fan circuit constitutes, the smoke exhaust fan circuit, take out the air heater circuit, the combustion fan circuit has included main control circuit and standby control circuit, main control circuit one end is connected on the three phase mains, the other end be connected with blower fan again after standby control circuit one end is connected, standby control circuit includes standby contactor, the standby variable frequency device, wherein, standby contactor one end is connected with main control circuit, the other end all is connected standby variable frequency device one end, and the standby variable frequency device the other end is connected on the three phase mains by backup circuit breaker.
Described smoke exhaust fan main control circuit includes smoke evacuation main switch, smoke evacuation primary transducer, smoke evacuation main contactor, 1# smoke exhaust fan contactor, 2# smoke exhaust fan contactor, wherein, smoke evacuation main switch one end is connected with three phase mains, the other end is connected with smoke evacuation primary transducer one end, the smoke evacuation primary transducer the other end is connected to smoke evacuation main contactor one end, the smoke evacuation main contactor the other end be connected on 1# blower fan, the 2# blower fan by 1# smoke exhaust fan contactor and 2# smoke exhaust fan contactor respectively again after standby contactor one end of smoke exhaust fan is connected.
Described take out the air heater main control circuit include take out hot main switch, take out hot primary transducer, take out hot main contactor, 1# takes out the air heater contactor, 2# takes out the air heater contactor, wherein, taking out hot main switch one end is connected with three phase mains, the other end with take out hot primary transducer one end and be connected, take out the hot primary transducer the other end and be connected to and take out hot main contactor one end, take out air heater contactor and 2# by 1# respectively again after taking out the hot main contactor the other end and taking out standby contactor one end of air heater and be connected and take out the air heater contactor and be connected on 1# blower fan, the 2# blower fan.
Described combustion fan main control circuit includes combustion-supporting main switch, combustion-supporting primary transducer, combustion-supporting main contactor, 1# combustion fan contactor, 2# combustion fan contactor, wherein, combustion-supporting main switch one end is connected with three phase mains, the other end is connected with combustion-supporting primary transducer one end, the combustion-supporting primary transducer the other end is connected to combustion-supporting main contactor one end, the combustion-supporting main contactor the other end be connected on 1# blower fan, the 2# blower fan by 1# combustion fan contactor and 2# combustion fan contactor respectively again after standby contactor one end of combustion fan is connected.
The utility model is after having adopted such scheme, and this programme increases standby contactor in the blower fan main control circuit, and being connected with three phase mains by the standby variable frequency device occurs unnecessary loss when preventing the main circuit fault; Can migrate mutually between the standby variable frequency device of this programme, and adopt unified control; When a certain typhoon machine frequency variator breaks down, standby variable frequency can forward that group blower fan at once to and start, guarantee that with this kiln inner pressure is constant, prevent the loss that brings after fan frequency converter breaks down, can promote the productivity of equipment behind employing this programme greatly, and simple to operate, good stability, practical.
Description of drawings:
Fig. 1 is circuit theory diagrams of the present utility model.
Embodiment:
The utility model is described in further detail below in conjunction with accompanying drawing 1, preferred embodiment of the present utility model is: the described a kind of frequency-changing control system of fan that is used for kiln of present embodiment, it is characterized in that: described control system is by the smoke exhaust fan circuit that is connected on the three phase mains, take out the air heater circuit, the combustion fan circuit constitutes, the smoke exhaust fan circuit, take out the air heater circuit, the combustion fan circuit has included main control circuit and standby control circuit, main control circuit one end is connected on the three phase mains, the other end be connected with blower fan again after standby control circuit one end is connected, standby control circuit includes standby contactor, standby variable frequency device BF70, wherein, standby contactor one end is connected with main control circuit, the other end all is connected standby variable frequency device BF70 one end, and the standby variable frequency device BF70 the other end is connected on the three phase mains by backup circuit breaker QF70.Described smoke exhaust fan main control circuit includes smoke evacuation main switch QF61, smoke evacuation primary transducer BF61, smoke evacuation main contactor KM601,1# smoke exhaust fan contactor KM604,2# smoke exhaust fan contactor KM605, wherein, smoke evacuation main switch QF61 one end is connected with three phase mains, the other end is connected with smoke evacuation primary transducer BF61 one end, the smoke evacuation primary transducer BF61 the other end is connected to smoke evacuation main contactor KM601 one end, the smoke evacuation main contactor KM601 the other end be connected to the 1# blower fan by 1# smoke exhaust fan contactor KM604 and 2# smoke exhaust fan contactor KM605 respectively again after standby contactor KM602 one end of smoke exhaust fan is connected, on the 2# blower fan.The described air heater main control circuit of taking out includes and takes out hot main switch QF62, take out hot primary transducer BF62, take out hot main contactor KM701,1# takes out air heater contactor KM704,2# takes out air heater contactor KM705, wherein, taking out hot main switch QF62 one end is connected with three phase mains, the other end with take out hot primary transducer BF62 one end and be connected, take out the hot primary transducer BF62 the other end and be connected to and take out hot main contactor KM701 one end, take out air heater contactor KM704 and 2# by 1# respectively again after taking out the hot main contactor KM701 the other end and taking out standby contactor KM702 one end of air heater and be connected and take out air heater contactor KM705 and be connected to the 1# blower fan, on the 2# blower fan.Described combustion fan main control circuit includes combustion-supporting main switch QF63, combustion-supporting primary transducer BF63, combustion-supporting main contactor KM801,1# combustion fan contactor KM804,2# combustion fan contactor KM805, wherein, combustion-supporting main switch QF63 one end is connected with three phase mains, the other end is connected with combustion-supporting primary transducer BF63 one end, the combustion-supporting primary transducer BF63 the other end is connected to combustion-supporting main contactor KM801 one end, the combustion-supporting main contactor KM801 the other end be connected to the 1# blower fan by 1# combustion fan contactor KM804 and 2# combustion fan contactor KM805 respectively again after standby contactor KM802 one end of combustion fan is connected, on the 2# blower fan.This programme adopts frequency conversion to add the standby variable frequency control system, increases standby contactor in the blower fan main control circuit, is connected with three phase mains by the standby variable frequency device again, occurs unnecessary loss when preventing the main circuit fault as much as possible; And can migrate, also adopt unified control between the standby variable frequency device of this programme mutually; As breaking down when a certain typhoon machine frequency variator, standby variable frequency can forward that group blower fan at once to and start, and need not regulate the air lock on the blower fan, guarantee that with this kiln inner pressure is constant, prevent the loss that brings after fan frequency converter breaks down, increase the equipment operation rate, promote productivity greatly.
The embodiment of the above is the preferred embodiment of the utility model only, is not to limit practical range of the present utility model with this, so the variation that all shapes according to the utility model, principle are done all should be encompassed in the protection domain of the present utility model.
Claims (4)
1. frequency-changing control system of fan that is used for kiln, it is characterized in that: described control system is by the smoke exhaust fan circuit that is connected on the three phase mains, take out the air heater circuit, the combustion fan circuit constitutes, the smoke exhaust fan circuit, take out the air heater circuit, the combustion fan circuit has included main control circuit and standby control circuit, main control circuit one end is connected on the three phase mains, the other end be connected with blower fan again after standby control circuit one end is connected, standby control circuit includes standby contactor, standby variable frequency device (BF70), wherein, standby contactor one end is connected with main control circuit, the other end all is connected standby variable frequency device (BF70) end, and standby variable frequency device (BF70) the other end is connected on the three phase mains by backup circuit breaker (QF70).
2. a kind of frequency-changing control system of fan that is used for kiln according to claim 1, it is characterized in that: the smoke exhaust fan main control circuit includes smoke evacuation main switch (QF61), smoke evacuation primary transducer (BF61), smoke evacuation main contactor (KM601), 1# smoke exhaust fan contactor (KM604), 2# smoke exhaust fan contactor (KM605), wherein, smoke evacuation main switch (QF61) end is connected with three phase mains, the other end is connected with smoke evacuation primary transducer (BF61) end, smoke evacuation primary transducer (BF61) the other end is connected to smoke evacuation main contactor (KM601) end, smoke evacuation main contactor (KM601) the other end be connected to the 1# blower fan by 1# smoke exhaust fan contactor (KM604) and 2# smoke exhaust fan contactor (KM605) respectively again after the standby contactor of smoke exhaust fan (KM602) end is connected, on the 2# blower fan.
3. a kind of frequency-changing control system of fan that is used for kiln according to claim 1, it is characterized in that: take out the air heater main control circuit and include and take out hot main switch (QF62), take out hot primary transducer (BF62), take out hot main contactor (KM701), 1# takes out air heater contactor (KM704), 2# takes out air heater contactor (KM705), wherein, taking out hot main switch (QF62) end is connected with three phase mains, the other end with take out hot primary transducer (BF62) end and be connected, take out hot primary transducer (BF62) the other end and be connected to and take out hot main contactor (KM701) end, take out air heater contactor (KM704) and 2# by 1# respectively again after taking out hot main contactor (KM701) the other end and taking out the standby contactor of air heater (KM702) end and be connected and take out air heater contactor (KM705) and be connected to the 1# blower fan, on the 2# blower fan.
4. a kind of frequency-changing control system of fan that is used for kiln according to claim 1, it is characterized in that: the combustion fan main control circuit includes combustion-supporting main switch (QF63), combustion-supporting primary transducer (BF63), combustion-supporting main contactor (KM801), 1# combustion fan contactor (KM804), 2# combustion fan contactor (KM805), wherein, combustion-supporting main switch (QF63) end is connected with three phase mains, the other end is connected with combustion-supporting primary transducer (BF63) end, combustion-supporting primary transducer (BF63) the other end is connected to combustion-supporting main contactor (KM801) end, combustion-supporting main contactor (KM801) the other end be connected to the 1# blower fan by 1# combustion fan contactor (KM804) and 2# combustion fan contactor (KM805) respectively again after the standby contactor of combustion fan (KM802) end is connected, on the 2# blower fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205240210U CN201836028U (en) | 2010-09-08 | 2010-09-08 | Fan frequency conversion control system for kilns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205240210U CN201836028U (en) | 2010-09-08 | 2010-09-08 | Fan frequency conversion control system for kilns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201836028U true CN201836028U (en) | 2011-05-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205240210U Expired - Fee Related CN201836028U (en) | 2010-09-08 | 2010-09-08 | Fan frequency conversion control system for kilns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201836028U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166541A (en) * | 2011-12-08 | 2013-06-19 | 贵阳铝镁设计研究院有限公司 | Power supply circuit of smoke exhaust fan of flue gas cleaning system |
| CN109947041A (en) * | 2019-03-15 | 2019-06-28 | 广东萨米特陶瓷有限公司 | Roller way kiln transmission control part divides intelligent standby system |
| CN111648993A (en) * | 2020-06-10 | 2020-09-11 | 广东萨米特陶瓷有限公司 | Control system and method for intelligent standby system of kiln fan |
| CN111998690A (en) * | 2020-08-24 | 2020-11-27 | 中国测试技术研究院 | Fault alarm method for smoke exhaust fan of low-temperature kiln |
-
2010
- 2010-09-08 CN CN2010205240210U patent/CN201836028U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103166541A (en) * | 2011-12-08 | 2013-06-19 | 贵阳铝镁设计研究院有限公司 | Power supply circuit of smoke exhaust fan of flue gas cleaning system |
| CN109947041A (en) * | 2019-03-15 | 2019-06-28 | 广东萨米特陶瓷有限公司 | Roller way kiln transmission control part divides intelligent standby system |
| CN109947041B (en) * | 2019-03-15 | 2020-08-28 | 广东萨米特陶瓷有限公司 | Intelligent standby system of transmission control part of roller kiln |
| CN111648993A (en) * | 2020-06-10 | 2020-09-11 | 广东萨米特陶瓷有限公司 | Control system and method for intelligent standby system of kiln fan |
| CN111648993B (en) * | 2020-06-10 | 2022-04-19 | 广东萨米特陶瓷有限公司 | Control system and method for intelligent standby system of kiln fan |
| CN111998690A (en) * | 2020-08-24 | 2020-11-27 | 中国测试技术研究院 | Fault alarm method for smoke exhaust fan of low-temperature kiln |
| CN111998690B (en) * | 2020-08-24 | 2021-05-25 | 中国测试技术研究院 | Fault alarm method for smoke exhaust fan of low-temperature kiln |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG ZHONGYAO KILN CO., LTD. Free format text: FORMER NAME: FOSHAN ZHONGYAO KILN DEVELOPMENT CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 528226 Foshan, Nanhai District, Guangdong Luo Village Industrial Park Road East Patentee after: Foshan Zhongyao Ceramic Kiln Co., Ltd. Address before: Nanhai District of Guangdong city of Foshan province Luo village 528226 Industrial Avenue East Xiabai pottery kiln in Foshan Development Co. Ltd. Patentee before: Foshan Zhongyao Ceramic Industry Development Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110518 Termination date: 20170908 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |