CN2823682Y - Driving hydraulic device for bleeding valve of blast furnace top - Google Patents
Driving hydraulic device for bleeding valve of blast furnace top Download PDFInfo
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- CN2823682Y CN2823682Y CN 200520097917 CN200520097917U CN2823682Y CN 2823682 Y CN2823682 Y CN 2823682Y CN 200520097917 CN200520097917 CN 200520097917 CN 200520097917 U CN200520097917 U CN 200520097917U CN 2823682 Y CN2823682 Y CN 2823682Y
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Abstract
The utility model relates to a driving hydraulic device of a bleeding valve for dispersing gas on top of a blastfurnace in the industry of metallurgy, particularly a driving hydraulic device for bleeding valve of a blastfurnace top, which is composed of an oil tank (1), a high-pressure oil pump (2), a back pressure valve (3), an oil supplying pipe (4) of a valve table (4), a first hydraulic control one-way valve (5), a first one-way throttle valve (6), a first high-pressure ball valve (7), a first oil pipe (8), a second high-pressure ball valve (9), a first high-pressure flexible pipe (10), a hydraulic cylinder (11), a second high-pressure flexible pipe (12), a third high-pressure ball valve (13), a second oil pipe (17), a hydraulic direction valve (18) and an oil returning pipe (19) of the valve table. The utility model is characterized in that the oil returning pipe (19) of the valve table between the back pressure valve (3) and the hydraulic direction valve (18) is communicated with a low-pressure oil pipe (20) which is connected with a low-pressure oil pump (21). The utility model can prevent hydraulic oil in the hydraulic cylinder and the oil pipes from emptying, and guarantee the action of the bleeding valve of the blastfurnace top to be real and reliable.
Description
Technical field
The utility model relates to the driving hydraulic pressure installation that diffuses valve that the metallurgy industry top gas diffuses.
Background technique
The driving hydraulic pressure installation that diffuses valve that existing metallurgy industry top gas diffuses mainly is made up of fuel tank, high pressure oil pump, back pressure valve, valve platform fuel supply line, first Pilot operated check valve, first one-way throttle valve, first high-pressure ball valve, first oil pipe, second high-pressure ball valve, first high pressure hose, oil hydraulic cylinder, second high pressure hose, the 3rd high-pressure ball valve, second oil pipe, the 4th high-pressure ball valve, second one-way throttle valve, second Pilot operated check valve, hydraulic directio valve, valve platform return tube.Hydraulic directio valve, first Pilot operated check valve, second Pilot operated check valve, first one-way throttle valve, second one-way throttle valve, first high-pressure ball valve, the 4th high-pressure ball valve are provided with on the hydraulic control valve platform, oil hydraulic cylinder is located on the bleeding valve, oil hydraulic cylinder is as the driver part of bleeding valve, and opening and closing of valve diffused in control.Usually to be arranged in absolute altitude be 0 master-control room Stall to hydraulic power unit, oil hydraulic cylinder is arranged in the throat platform of 70 ~ 90m absolute altitude, the hydraulic control valve platform is arranged on the high main platform of 30 ~ 40m, only when furnace roof overhauls or the furnace top pressure superelevation occurs, by the action of hydraulic control valve platform control oil hydraulic cylinder, open bleeding valve.Generally speaking, bleeding valve is in non-action state for a long time, because the discrepancy in elevation between oil hydraulic cylinder and the fuel tank is too big, and this oil hydraulic cylinder is failure to actuate for a long time, and the oil in oil hydraulic cylinder and the oil pipe is because the effect meeting emptying slowly of deadweight, thereby gassy in oil hydraulic cylinder, oil pipe, because the compressibility of gas, when causing the bleeding valve requirement to be moved immediately, oil hydraulic cylinder can't drive immediately or can't drive bleeding valve at all, can't meet the demands, in addition accidents caused.
Summary of the invention
The purpose of this utility model is to provide a kind of driving hydraulic pressure installation that prevents the Blast Furnace Throat Ventilation Valve of hydraulic oil emptying in the oil pipe.
To achieve these goals, the technical solution of the utility model is: the driving hydraulic pressure installation of Blast Furnace Throat Ventilation Valve, it comprises fuel tank 1, high pressure oil pump 2, back pressure valve 3, valve platform fuel supply line 4, first Pilot operated check valve 5, first one-way throttle valve 6, first high-pressure ball valve 7, first oil pipe 8, second high-pressure ball valve 9, first high pressure hose 10, oil hydraulic cylinder 11, second high pressure hose 12, the 3rd high-pressure ball valve 13, second oil pipe 14, the 4th high-pressure ball valve 15, second one-way throttle valve 16, second Pilot operated check valve 17, hydraulic directio valve 18, valve platform return tube 19, high pressure oil pump 2 is connected with the first input end of hydraulic directio valve 18 by valve platform fuel supply line 4, fuel tank 1 is connected with second input end of hydraulic directio valve 18 by valve platform return tube 19, and valve platform return tube 19 is provided with back pressure valve 3; First output terminal of hydraulic directio valve 18 is connected with the input end of second high-pressure ball valve 9 by first oil pipe 8, the output terminal that is provided with first Pilot operated check valve 5, first one-way throttle valve 6, first high-pressure ball valve, 7, the second high-pressure ball valves 9 on first oil pipe 8 successively is connected with oil hydraulic cylinder 11 by first high pressure hose 10; Second output terminal of hydraulic directio valve 18 is connected with the input end of the 3rd high-pressure ball valve 13 by second oil pipe 14, the output terminal that is provided with second Pilot operated check valve 17, second one-way throttle valve 16, the 4th high-pressure ball valve 15, the three high-pressure ball valves 13 on second oil pipe 14 successively is connected with oil hydraulic cylinder 11 by second high pressure hose 12; It is characterized in that: connect a low pressure fuel pipe 20 on the valve platform return tube 19 between back pressure valve 3 and the hydraulic directio valve 18, low pressure fuel pipe 20 is connected with low pressure fuel pump 21.
The utility model is introduced low pressure oil sources (low pressure fuel pipe 20, low pressure fuel pump 21) in valve platform return tube 19, make to cheat in the whole device and keep the low pressure oil pressure eventually, prevented the emptying of hydraulic oil in oil hydraulic cylinder, the oil pipe, guaranteed that the action of bleeding valve is really reliable.
Description of drawings
Fig. 1 is a structural representation of the present utility model
Among the figure: 1-fuel tank, 2-high pressure oil pump, 3-back pressure valve, 4-valve platform fuel supply line, 5-first Pilot operated check valve, 6-first one-way throttle valve, 7-first high-pressure ball valve, 8-first oil pipe, 9-second high-pressure ball valve, 10-first high pressure hose, 11-oil hydraulic cylinder, 12-second high pressure hose, 13-the 3rd high-pressure ball valve, 14-second oil pipe, 15-the 4th high-pressure ball valve, 16-second one-way throttle valve, 17-second Pilot operated check valve, 18-hydraulic directio valve, 19-valve platform return tube, 20-low pressure fuel pipe, 21-low pressure fuel pump.
Embodiment
As shown in Figure 1, the driving hydraulic pressure installation of Blast Furnace Throat Ventilation Valve, it comprises fuel tank 1, high pressure oil pump 2, back pressure valve 3, valve platform fuel supply line 4, first Pilot operated check valve 5, first one-way throttle valve 6, first high-pressure ball valve 7, first oil pipe 8, second high-pressure ball valve 9, first high pressure hose 10, oil hydraulic cylinder 11, second high pressure hose 12, the 3rd high-pressure ball valve 13, second oil pipe 14, the 4th high-pressure ball valve 15, second one-way throttle valve 16, second Pilot operated check valve 17, hydraulic directio valve 18, valve platform return tube 19, high pressure oil pump 2 is connected with the first input end of hydraulic directio valve 18 by valve platform fuel supply line 4, fuel tank 1 is connected with second input end of hydraulic directio valve 18 by valve platform return tube 19, and valve platform return tube 19 is provided with back pressure valve 3; First output terminal of hydraulic directio valve 18 is connected with the input end of second high-pressure ball valve 9 by first oil pipe 8, the output terminal that is provided with first Pilot operated check valve 5, first one-way throttle valve 6, first high-pressure ball valve, 7, the second high-pressure ball valves 9 on first oil pipe 8 successively is connected with oil hydraulic cylinder 11 by first high pressure hose 10; Second output terminal of hydraulic directio valve 18 is connected with the input end of the 3rd high-pressure ball valve 13 by second oil pipe 14, the output terminal that is provided with second Pilot operated check valve 17, second one-way throttle valve 16, the 4th high-pressure ball valve 15, the three high-pressure ball valves 13 on second oil pipe 14 successively is connected with oil hydraulic cylinder 11 by second high pressure hose 12; Connect a low pressure fuel pipe 20 on the valve platform return tube 19 between back pressure valve 3 and the hydraulic directio valve 18, low pressure fuel pipe 20 is connected with low pressure fuel pump 21.The oil pressure of low pressure fuel pump 21 is 0.8～1MPa, and back pressure valve is adjusted into 0.6～0.8MPa; Low-pressure oil sources pressure is by the back pressure valve adjustment, make its size can just guarantee with valve platform return tube in hydraulic oil dead-weight balanced, prevent the emptying of hydraulic oil in oil hydraulic cylinder, the oil pipe, guarantee that the action of bleeding valve is really reliable.
Claims (1)
1. the driving hydraulic pressure installation of Blast Furnace Throat Ventilation Valve, it comprises fuel tank (1), high pressure oil pump (2), back pressure valve (3), valve platform fuel supply line (4), first Pilot operated check valve (5), first one-way throttle valve (6), first high-pressure ball valve (7), first oil pipe (8), second high-pressure ball valve (9), first high pressure hose (10), oil hydraulic cylinder (11), second high pressure hose (12), the 3rd high-pressure ball valve (13), second oil pipe (14), the 4th high-pressure ball valve (15), second one-way throttle valve (16), second Pilot operated check valve (17), hydraulic directio valve (18), valve platform return tube (19), high pressure oil pump (2) is connected by the first input end of valve platform fuel supply line (4) with hydraulic directio valve (18), fuel tank (1) is connected by second input end of valve platform return tube (19) with hydraulic directio valve (18), and valve platform return tube (19) is provided with back pressure valve (3); First output terminal of hydraulic directio valve (18) is connected by the input end of first oil pipe (8) with second high-pressure ball valve (9), be provided with first Pilot operated check valve (5), first one-way throttle valve (6), first high-pressure ball valve (7) on first oil pipe (8) successively, the output terminal of second high-pressure ball valve (9) is connected with oil hydraulic cylinder (11) by first high pressure hose (10); Second output terminal of hydraulic directio valve (18) is connected by the input end of second oil pipe (14) with the 3rd high-pressure ball valve (13), be provided with second Pilot operated check valve (17), second one-way throttle valve (16), the 4th high-pressure ball valve (15) on second oil pipe (14) successively, the output terminal of the 3rd high-pressure ball valve (13) is connected with oil hydraulic cylinder (11) by second high pressure hose (12); It is characterized in that: the valve platform return tube (19) between back pressure valve (3) and the hydraulic directio valve (18) is gone up and is connected a low pressure fuel pipe (20), and low pressure fuel pipe (20) is connected with low pressure fuel pump (21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097917 CN2823682Y (en) | 2005-09-01 | 2005-09-01 | Driving hydraulic device for bleeding valve of blast furnace top |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200520097917 CN2823682Y (en) | 2005-09-01 | 2005-09-01 | Driving hydraulic device for bleeding valve of blast furnace top |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2823682Y true CN2823682Y (en) | 2006-10-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200520097917 Expired - Fee Related CN2823682Y (en) | 2005-09-01 | 2005-09-01 | Driving hydraulic device for bleeding valve of blast furnace top |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2823682Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451449C (en) * | 2007-01-30 | 2009-01-14 | 江苏沙钢集团有限公司 | Releasing device for gas burner |
| CN103148259A (en) * | 2013-03-07 | 2013-06-12 | 世林（漯河）冶金设备有限公司 | Furnace top bleeding valve with safety protection function |
| CN105134694A (en) * | 2015-08-24 | 2015-12-09 | 洛阳三隆安装检修有限公司 | Big loading arm lifting oil cylinder hydraulic system |
| CN106917782A (en) * | 2017-04-19 | 2017-07-04 | 中冶赛迪工程技术股份有限公司 | A kind of device for preventing discharging valve for top of blast furnace hydraulic cylinder and pipeline evacuation |
| CN107747570A (en) * | 2017-11-21 | 2018-03-02 | 中冶赛迪工程技术股份有限公司 | A kind of Blast Furnace Throat Ventilation Valve hydraulic control circuit |
-
2005
- 2005-09-01 CN CN 200520097917 patent/CN2823682Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100451449C (en) * | 2007-01-30 | 2009-01-14 | 江苏沙钢集团有限公司 | Releasing device for gas burner |
| CN103148259A (en) * | 2013-03-07 | 2013-06-12 | 世林（漯河）冶金设备有限公司 | Furnace top bleeding valve with safety protection function |
| CN105134694A (en) * | 2015-08-24 | 2015-12-09 | 洛阳三隆安装检修有限公司 | Big loading arm lifting oil cylinder hydraulic system |
| CN106917782A (en) * | 2017-04-19 | 2017-07-04 | 中冶赛迪工程技术股份有限公司 | A kind of device for preventing discharging valve for top of blast furnace hydraulic cylinder and pipeline evacuation |
| CN106917782B (en) * | 2017-04-19 | 2018-11-16 | 中冶赛迪工程技术股份有限公司 | A kind of device preventing discharging valve for top of blast furnace hydraulic cylinder and pipeline evacuation |
| CN107747570A (en) * | 2017-11-21 | 2018-03-02 | 中冶赛迪工程技术股份有限公司 | A kind of Blast Furnace Throat Ventilation Valve hydraulic control circuit |
| CN107747570B (en) * | 2017-11-21 | 2019-07-16 | 中冶赛迪工程技术股份有限公司 | A kind of Blast Furnace Throat Ventilation Valve hydraulic control circuit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: WISDRI (Wuhan) Heavy Machinery Co., Ltd. Assignor: WISDRI Engineering & Research Incorporation Limited Contract record no.: 2011420000034 Denomination of utility model: Driving hydraulic device for bleeding valve of blast furnace top Granted publication date: 20061004 License type: Exclusive License Record date: 20110407 |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20061004 Termination date: 20130901 |