CN102445071B - Wheel blocking hydraulic station of rotary kiln - Google Patents
Wheel blocking hydraulic station of rotary kiln Download PDFInfo
- Publication number
- CN102445071B CN102445071B CN201110276794.0A CN201110276794A CN102445071B CN 102445071 B CN102445071 B CN 102445071B CN 201110276794 A CN201110276794 A CN 201110276794A CN 102445071 B CN102445071 B CN 102445071B
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- control valve
- oil
- pump
- hydraulic station
- valve
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- Expired - Fee Related
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- Fluid-Pressure Circuits (AREA)
- Muffle Furnaces And Rotary Kilns (AREA)
Abstract
The invention disclose a wheel blocking hydraulic station of a rotary kiln, which comprises a control valve group, a return oil filtering device, a pump device, a heater, a liquid level control device, an oil temperature control device and an oil tank, wherein the control valve group, the return oil filtering device, the pump device, the liquid level control device and the oil temperature control device are mounted on the top of the oil tank; the heater is arranged on the side wall of the oil tank; the control valve group is connected with the return oil filtering device through a pipeline; the control valve group and the return oil filtering device are connected with the pump device through pipelines respectively; the liquid level control device is arranged on the pump device; and the hydraulic station is provided with a combined speed regulating loop of an inlet oil line speed regulating loop and a bypass oil line speed regulating loop. The wheel blocking hydraulic station of the rotary kiln disclosed by the invention not only provides a control loop which is available for super-low-speed steady running for the fluid design field, even more important, expands the design idea of super-low-speed steady running. The wheel blocking hydraulic station of the rotary kiln can be applied not only to speed control of a rotary kiln for producing powdered products but also to other occasions available for super-low-speed running.
Description
Technical field
The present invention relates to a kind of rotary kiln Wheel blocking hydraulic station.
Background technique
In prior art, rotary kiln requires gear wheel oil hydraulic cylinder in the work speed smooth running with 50mm/h in service, and has not allowed creep and shake, and this is a difficult point in Fluid-transmission design, for general hydraulic system, is difficult to reach this requirement.
Summary of the invention
The object of this invention is to provide a kind of rotary kiln Wheel blocking hydraulic station.
The technological scheme that the present invention adopted is for achieving the above object: a kind of rotary kiln Wheel blocking hydraulic station, comprise control valve group (1), oil-returning filtering device (2), pump-unit (3), heater (4), fluid level control device (5), oil-temperature control device (6) and fuel tank (7), described control valve group (1), oil-returning filtering device (2), pump-unit (3), fluid level control device (5), oil-temperature control device (6) is arranged on fuel tank (7) top, heater (4) is arranged on the sidewall of fuel tank (7), control valve group (1) is connected with oil-returning filtering device (2) by pipeline, control valve group (1), oil-returning filtering device (2) is connected with pump-unit (3) by pipeline respectively, fluid level control device (5) is arranged on pump-unit (3), described hydraulic station is provided with the combined speed regulating loop of in-line speed governing and other oil circuit speed governing.
Described pump-unit (3) is axial piston pump (31,32).
Described control valve group (1) comprises one-way valve (111,112,113), relief valve (12), proportional flow control valve (16), series flow control valve (17), ball formula solenoid directional control valve (18) and ball valve (19), described one-way valve (111,112) is connected with axial piston pump (31,32) respectively, described one-way valve (113) is connected with proportional flow control valve (16), relief valve (12) is connected with series flow control valve (17), ball formula solenoid directional control valve (18), and ball valve (19) is arranged on the loop between oil cylinder (21) and fuel tank (7).
A kind of rotary kiln Wheel blocking hydraulic station of the present invention, not only provides the control loop of a Ultra-Low Speed smooth running for fluid design field, the more important thing is the mentality of designing of having expanded Ultra-Low Speed smooth running.The present invention not only can be applied to the speed control of producing powdery product rotary kiln, can also be applied to the occasion of other Ultra-Low Speed operation.
Accompanying drawing explanation
Fig. 1 is a kind of rotary kiln Wheel blocking hydraulic station of the present invention plan view.
Fig. 2 is a kind of rotary kiln Wheel blocking hydraulic station of the present invention plan view.
Fig. 3 is a kind of rotary kiln Wheel blocking hydraulic station of the present invention side view.
Fig. 4 is a kind of rotary kiln Wheel blocking hydraulic station of the present invention hydraulic schematic diagram.
Embodiment
As Fig. 1, Fig. 2, shown in Fig. 3 and Fig. 4, rotary kiln Wheel blocking hydraulic station, comprises control valve group 1, oil-returning filtering device 2, pump-unit 3, heater 4, fluid level control device 5, oil-temperature control device 6 and fuel tank 7, control valve group 1, oil-returning filtering device 2, pump-unit 3, fluid level control device 5, oil-temperature control device 6 is arranged on fuel tank 7 tops, and heater 4 is arranged on the sidewall of fuel tank 7, and control valve group 1 is connected with oil-returning filtering device 2 by pipeline, control valve group 1, oil-returning filtering device 2 is connected with pump-unit 3 by pipeline respectively, and fluid level control device 5 is arranged on pump-unit 3, and hydraulic station is provided with the combined speed regulating loop of in-line speed governing and other oil circuit speed governing, and pump-unit (3) is axial piston pump 31, 32, axial piston pump 31, on 32, be connected with respectively motor 22, control valve group 1 comprises one- way valve 111, 112, 113, relief valve 12, proportional flow control valve 16, series flow control valve 17, ball formula solenoid directional control valve 18 and ball valve 19, one-way valve 111, 112 respectively with axial piston pump 31, 32 connect, and described one-way valve 113 is connected with proportional flow control valve 16, relief valve 12 and series flow control valve 17, ball formula solenoid directional control valve 18 connects, and ball valve 19 is arranged on the loop between oil cylinder 21 and fuel tank 7, and level meter 8 is also installed on fuel tank 7, air-strainer 9 and electric contact thermometer 10, proportional flow control valve 16, on the pipeline of one-way valve 113, be provided with pressure piping filter 13, be provided with pressure gauge 14 on the pipeline of relief valve 12, pressure gauge 14 lower ends are provided with pressure meter switch 15, on the pipeline being connected, are provided with accumulator 20 with oil cylinder 21 one end.
This hydraulic station has adopted the combined speed regulating loop of in-line speed governing and other oil circuit speed governing, on in-line, be provided with proportional flow control valve, under controlling, PLC can realize low speed without polar region controlling run speed, for making the work of gear wheel oil cylinder more steadily reliable, increased other oil circuit, and on other oil circuit, be provided with the operating rate that series flow control valve that flow can finely tune carrys out co-controlling oil hydraulic cylinder, through the actual proof of produced on-site, the speed regulating method that this combination is controlled operates steadily, without creeping, shockproof, met gear wheel oil hydraulic cylinder completely at work with the requirement of the speed smooth running of 50mm/h.
Claims (1)
1. a rotary kiln Wheel blocking hydraulic station, is characterized in that: comprise control valve group (1), oil-returning filtering device (2), pump-unit (3), heater (4), fluid level control device (5), oil-temperature control device (6) and fuel tank (7), described control valve group (1), oil-returning filtering device (2), pump-unit (3), fluid level control device (5), oil-temperature control device (6) is arranged on fuel tank (7) top, and heater (4) is arranged on the sidewall of fuel tank (7), and control valve group (1) is connected with oil-returning filtering device (2) by pipeline, control valve group (1), oil-returning filtering device (2) is connected with pump-unit (3) by pipeline respectively, fluid level control device (5) is arranged on pump-unit (3), described hydraulic station is provided with the combined speed regulating loop of in-line speed governing and other oil circuit speed governing, and described pump-unit (3) is axial piston pump (31, 32), axial piston pump (31, 32) on, be connected with respectively motor (22), described control valve group (1) comprises one-way valve (111, 112, 113), relief valve (12), proportional flow control valve (16), series flow control valve (17), ball formula solenoid directional control valve (18) and ball valve (19), described one-way valve (111, 112) respectively with axial piston pump (31, 32) connect, described one-way valve (113) is connected with proportional flow control valve (16), described relief valve (12) and series flow control valve (17), described ball formula solenoid directional control valve (18) connects, and described ball valve (19) is arranged on the loop between oil cylinder (21) and fuel tank (7), and level meter (8) is also installed on described fuel tank (7), air-strainer (9) and electric contact thermometer (10), described proportional flow control valve (16), on the pipeline of one-way valve (113), be provided with pressure piping filter (13), on the pipeline of described relief valve (12), be provided with pressure gauge (14), pressure gauge (14) lower end is provided with pressure meter switch (15), on the pipeline being connected, is provided with accumulator (20) with described oil cylinder (21) one end.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110276794.0A CN102445071B (en) | 2011-09-19 | 2011-09-19 | Wheel blocking hydraulic station of rotary kiln |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110276794.0A CN102445071B (en) | 2011-09-19 | 2011-09-19 | Wheel blocking hydraulic station of rotary kiln |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102445071A CN102445071A (en) | 2012-05-09 |
| CN102445071B true CN102445071B (en) | 2014-02-12 |
Family
ID=46007807
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110276794.0A Expired - Fee Related CN102445071B (en) | 2011-09-19 | 2011-09-19 | Wheel blocking hydraulic station of rotary kiln |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102445071B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747541A (en) * | 2015-03-24 | 2015-07-01 | 上海大学 | Hydraulic power station of grouting pump |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104632730A (en) * | 2014-12-30 | 2015-05-20 | 大连维乐液压制造有限公司 | Hydraulic station for compound pendulum jaw breaker |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223790Y (en) * | 1994-05-30 | 1996-04-03 | 四川联合大学 | Device for controlling bumping wheel of rotary kiln |
| CN101334054A (en) * | 2007-06-28 | 2008-12-31 | 中信重工机械股份有限公司 | Large-sized rotary kiln catch wheel hydraulic system possessing bidirectional speed governing and filtrating function |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006038350A (en) * | 2004-07-28 | 2006-02-09 | Aichi Electric Co Ltd | Cooling device of high temperature heating mixing device |
-
2011
- 2011-09-19 CN CN201110276794.0A patent/CN102445071B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2223790Y (en) * | 1994-05-30 | 1996-04-03 | 四川联合大学 | Device for controlling bumping wheel of rotary kiln |
| CN101334054A (en) * | 2007-06-28 | 2008-12-31 | 中信重工机械股份有限公司 | Large-sized rotary kiln catch wheel hydraulic system possessing bidirectional speed governing and filtrating function |
Non-Patent Citations (3)
| Title |
|---|
| JP特开2006-38350A 2006.02.09 |
| 午泽俊.回转窑挡轮液压***.《液压与气动》.2004,(第5期),全文. |
| 回转窑挡轮液压***;午泽俊;《液压与气动》;20040531(第5期);全文 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104747541A (en) * | 2015-03-24 | 2015-07-01 | 上海大学 | Hydraulic power station of grouting pump |
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| Publication number | Publication date |
|---|---|
| CN102445071A (en) | 2012-05-09 |
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| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
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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 |
Granted publication date: 20140212 Termination date: 20150919 |
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| EXPY | Termination of patent right or utility model |