CN202535298U - High-voltage frequency conversion two-driven-by-one device of dust blower - Google Patents

High-voltage frequency conversion two-driven-by-one device of dust blower Download PDF

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Publication number
CN202535298U
CN202535298U CN2012202085316U CN201220208531U CN202535298U CN 202535298 U CN202535298 U CN 202535298U CN 2012202085316 U CN2012202085316 U CN 2012202085316U CN 201220208531 U CN201220208531 U CN 201220208531U CN 202535298 U CN202535298 U CN 202535298U
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CN
China
Prior art keywords
switch
driven
blower
motor
blower fan
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.)
Expired - Fee Related
Application number
CN2012202085316U
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Chinese (zh)
Inventor
张同波
刘海深
刘洪祥
史慧芳
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.)
Xinxing Ductile Iron Pipes Co Ltd
Original Assignee
Xinxing Ductile Iron Pipes 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 Xinxing Ductile Iron Pipes Co Ltd filed Critical Xinxing Ductile Iron Pipes Co Ltd
Priority to CN2012202085316U priority Critical patent/CN202535298U/en
Application granted granted Critical
Publication of CN202535298U publication Critical patent/CN202535298U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Inverter Devices (AREA)

Abstract

The utility model discloses a high-voltage frequency conversion two-driven-by-one device of a dust blower, relating to the technical field of frequency-conversion energy saving devices. The high-voltage frequency conversion two-driven-by-one device comprises four switch cabinets, wherein switches K1-K3 are arranged in the switch cabinet 1, switches K4-K6 are arranged in the switch cabinet 2, switch K7-K8 are arranged in the switch cabinet 3 and switches K9-K10 are arranged in the switch cabinet 4. The high-voltage frequency conversion two-driven-by-one device realizes a two-driven-by-one operation mode of a frequency converter, realizes soft startup of a blower motor, prolongs the service life of the blower motor, reduces the impact of the starting current on a power grid, improves the running safety of the power grid and greatly reduces the electric energy consumption of the blower, thereby reducing the production cost and having higher economic benefit; and the high-voltage frequency conversion two-driven-by-one device has the advantages of eliminating the harm of the impact torque on the motor in the high-current startup of the large motor, reducing the air pressure of the blower, prolonging the service life of the motor, a pipe network and a valve, lightening the workload of maintenance personnel and reducing the maintenance cost.

Description

A kind of dedusting fan high-pressure frequency-conversion one drag two device
Technical field
The utility model relates to the frequency converting and energy saving device technical field, relates in particular to a kind of dedusting fan high-pressure frequency-conversion one drag two device.
Background technology
Under the big situation of national energy-saving and emission-reduction policy and current metallurgy industry survival pressure, high voltage frequency converter is more and more favored in enterprise's blower fan application facet.The ratio of power cost in smelter is increasing, and original dedusting fan system is direct Starting mode, and not only the blower fan power consumption is high, and bigger to the impact of electrical network, and waste electric energy phenomenon is serious.
The utility model content
The utility model technical problem to be solved provides a kind of dedusting fan high-pressure frequency-conversion one drag two device, can realize the soft start of blower fan and can reduce the power consumption of blower fan, thereby can reduce production costs greatly.
For solving the problems of the technologies described above; The technical scheme that the utility model is taked is: a kind of dedusting fan high-pressure frequency-conversion one drag two device; It is characterized in that comprising four switch cubicles, be provided with K switch 1-K3 in the switch cubicle 1, be provided with K switch 4-K6 in the switch cubicle 2; Be provided with K switch 7-K8 in the switch cubicle 3; Be provided with K switch 9-K10 in the switch cubicle 4, a road in the first via power input connects the 1# blower fan through K switch 2, and another road in the first via power input connects the 1# blower fan through K switch 1, frequency converter, K switch 7 and K switch 3 successively; In the second road power input a road connects the 3# blower fan through K switch 5, and another road in the second road power input connects the 3# blower fan through K switch 4, frequency converter, K switch 10 and K switch 6 successively; The node of frequency converter and K switch 7 connects the node of frequency converter and K switch 10 successively through K switch 8 and K9, the 2# blower fan connects the node of K switch 8 and K switch 9; K switch 7 and K switch 8 interlockings, K switch 9 and K switch 10 interlockings, K switch 8 and K switch 9 interlockings.
Adopt the beneficial effect that technique scheme produced to be: said device has been realized the operational mode of frequency converter one drag two; Realized the soft start of blower motor; Prolonged the useful life of blower motor, reduced the impact of starting current, improved the fail safe of operation of power networks electrical network; Greatly reduce the power consumption of blower fan, greatly reduce production cost, economic benefit is higher; Impact moment when having eliminated the big current start of big motor is to the harm of motor; Reduce the blast of blower fan, prolonged the useful life of motor, pipe network and valve, alleviated maintenance personal's workload, reduced maintenance cost; Improved the stability of said device, for the economic optimization operation of installing provides reliable assurance; The operational factor of said device improves, and has improved operating efficiency, and blower fan adopts frequency control, regulates easy, quick.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is done further detailed explanation.
Fig. 1 is the utility model theory diagram.
Embodiment
As shown in Figure 1, a kind of dedusting fan high-pressure frequency-conversion one drag two device comprises four switch cubicles.Be provided with K switch 1-K3 in the switch cubicle 1; Be provided with K switch 4-K6 in the switch cubicle 2; Be provided with K switch 7-K8 in the switch cubicle 3; Be provided with K switch 9-K10 in the switch cubicle 4, a road in the first via power input connects the 1# blower fan through K switch 2, and another road in the first via power input connects the 1# blower fan through K switch 1, frequency converter, K switch 7 and K switch 3 successively; In the second road power input a road connects the 3# blower fan through K switch 5, and another road in the second road power input connects the 3# blower fan through K switch 4, frequency converter, K switch 10 and K switch 6 successively; The node of frequency converter and K switch 7 connects the node of frequency converter and K switch 10 successively through K switch 8 and K9, the 2# blower fan connects the node of K switch 8 and K switch 9; K switch 7 and K switch 8 interlockings, K switch 9 and K switch 10 interlockings, K switch 8 and K switch 9 interlockings.
At just often 1# blower fan and 3# fan operation, said device can switch to the 2# blower fan and moves simultaneously with normal blower fan when wherein a typhoon machine breaks down, and what keep producing carries out continuously.Its operation principle is following: K switch 1, K3 and K switch 4, K6 are in closure state, and K switch 2 is in off-state with K switch 5, when the 3# blower fan breaks down; K switch 7 closures, K switch 8 is broken off K switch 9 closures; K switch 10 is broken off, 1# blower fan and the work of 2# blower fan; When the 1# blower fan broke down, K switch 7 was broken off, K switch 8 closures, and K switch 9 is broken off, K switch 10 closures, 2# blower fan and the work of 3# blower fan.
Said device has been realized the operational mode of frequency converter one drag two, has realized the soft start of blower motor, has prolonged the useful life of blower motor, has reduced the impact of starting current to electrical network, has improved the fail safe of operation of power networks; Greatly reduce the power consumption of blower fan, greatly reduce production cost, economic benefit is higher; Impact moment when having eliminated the big current start of big motor is to the harm of motor; Reduce the blast of blower fan, prolonged the useful life of motor, pipe network and valve, alleviated maintenance personal's workload, reduced maintenance cost; Improved the stability of said device, for the economic optimization operation of installing provides reliable assurance; The operational factor of said device improves, and has improved operating efficiency, and blower fan adopts frequency control, regulates easy, quick.

Claims (1)

1. dedusting fan high-pressure frequency-conversion one drag two device; It is characterized in that comprising four switch cubicles, be provided with K switch 1-K3 in the switch cubicle 1, be provided with K switch 4-K6 in the switch cubicle 2; Be provided with K switch 7-K8 in the switch cubicle 3; Be provided with K switch 9-K10 in the switch cubicle 4, a road in the first via power input connects the 1# blower fan through K switch 2, and another road in the first via power input connects the 1# blower fan through K switch 1, frequency converter, K switch 7 and K switch 3 successively; In the second road power input a road connects the 3# blower fan through K switch 5, and another road in the second road power input connects the 3# blower fan through K switch 4, frequency converter, K switch 10 and K switch 6 successively; The node of frequency converter and K switch 7 connects the node of frequency converter and K switch 10 successively through K switch 8 and K9, the 2# blower fan connects the node of K switch 8 and K switch 9; K switch 7 and K switch 8 interlockings, K switch 9 and K switch 10 interlockings, K switch 8 and K switch 9 interlockings.
CN2012202085316U 2012-05-10 2012-05-10 High-voltage frequency conversion two-driven-by-one device of dust blower Expired - Fee Related CN202535298U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012202085316U CN202535298U (en) 2012-05-10 2012-05-10 High-voltage frequency conversion two-driven-by-one device of dust blower

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012202085316U CN202535298U (en) 2012-05-10 2012-05-10 High-voltage frequency conversion two-driven-by-one device of dust blower

Publications (1)

Publication Number Publication Date
CN202535298U true CN202535298U (en) 2012-11-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012202085316U Expired - Fee Related CN202535298U (en) 2012-05-10 2012-05-10 High-voltage frequency conversion two-driven-by-one device of dust blower

Country Status (1)

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CN (1) CN202535298U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267026A (en) * 2013-05-24 2013-08-28 重庆钢铁(集团)有限责任公司 Two-pull-four fan starting device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103267026A (en) * 2013-05-24 2013-08-28 重庆钢铁(集团)有限责任公司 Two-pull-four fan starting device

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121114

Termination date: 20170510