CN102380239B - Vertical type filter press hydraulic system - Google Patents
Vertical type filter press hydraulic system Download PDFInfo
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- CN102380239B CN102380239B CN201110309424.2A CN201110309424A CN102380239B CN 102380239 B CN102380239 B CN 102380239B CN 201110309424 A CN201110309424 A CN 201110309424A CN 102380239 B CN102380239 B CN 102380239B
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Abstract
The present invention relates to Stroke Control hydraulic circuit, particularly relate to a kind of vertical type filter press hydraulic system.Vertical type filter press hydraulic system, comprise the hydraulic motor, fuel tank, the hydraulic pump that drive multiple double acting hydraulic cylinders of filter press, driving and tensioning apparatus used respectively, what continue with double acting hydraulic cylinder is the control cartridge valve group that can realize series/parallel handoff functionality.Control cartridge valve group and comprise main valve body, multiple reversal valve, multiple inserted valve, multiple hydraulic cylinder pipe interface, multiple Hydraulic Station pipe interface, the upper and lower chamber of hydraulic cylinder is corresponding with control cartridge valve group each hydraulic cylinder pipe interface continues; When the present invention has a series connection, the hydraulic cylinder speed of service is fast, synchronization accuracy is high, energy consumption is low, realizes the advantage of high pressure sealing when being connected in parallel.
Description
Technical field
The present invention relates to Stroke Control hydraulic circuit, particularly relate to a kind of vertical type filter press hydraulic system.
Background technology
Current vertical type blotter press runs power and mainly contains hydraulic pressure, hydraulic pressure and the various ways such as mechanical mixture, machinery.All there is the poorly sealed generation leakage phenomenon of barrier film compression stage filter plate assembly in hydraulic pressure and the form such as mechanical mixture, machinery.And hydraulic power is current most widely used general, the most stable form of operation; Whole hydraulic system, by hydraulic pump fuel feeding, by different valve group oil circuit control and hydraulic cylinder, meets different institutions movement needs, as: filter plate assembly lifting and sealing, filter cloth driving, filter cloth tensioning etc.
In hydraulic control mode, hydraulic cylinder drives filter plate assembly lifting and sealing, and the stationarity of filter plate assembly is determined by hydraulic cylinder synchronous precision.
, there is the shortcomings such as the speed of service is slow, synchronization accuracy is low, contamination resistance is poor in the synchronization scenarios such as the synchronous valve that current vertical type filter press hydraulic system adopts mostly, syncmotor, flow speed control valve; Proportioning valve synchronization scenario synchronization accuracy is high but existence controls the shortcomings such as complexity, debug difficulties, adaptive capacity difference; In addition, the shortcomings such as such scheme ubiquity energy consumption is high, processing cost is high.
Summary of the invention
The object of the invention is to solve above-mentioned hydraulic system synchronization scenario technical deficiency and develop a kind of by hydraulic pump, control cartridge valve group, electromagnetic relief valve, solenoid directional control valve, double acting hydraulic cylinder, hydraulic motor etc. and form, have that the speed of service is fast, synchronization accuracy is high, series/parallel can any switching laws, contamination resistance strong, the hydraulic system of energy consumption and the advantage such as processing cost is low.
Object of the present invention is achieved through the following technical solutions:
Vertical type filter press hydraulic system, comprise the hydraulic motor 12, fuel tank 15, the hydraulic pump 1 that drive multiple double acting hydraulic cylinders of filter press, driving and tensioning apparatus used respectively, what continue with double acting hydraulic cylinder is the control cartridge valve group 9 that can realize series/parallel handoff functionality.
Further, control cartridge valve group 9 and comprise main valve body 97, multiple reversal valve 95, multiple inserted valve 96, multiple hydraulic cylinder pipe interface, multiple Hydraulic Station pipe interface, the upper and lower chamber of hydraulic cylinder is corresponding with control cartridge valve group each hydraulic cylinder pipe interface continues; Wherein: the cavity of resorption pipeline of first hydraulic cylinder and the epicoele pipeline of last hydraulic cylinder continue respectively hydraulic cylinder pipe interface 924 with hydraulic cylinder pipe interface 911 and hydraulic cylinder pipe interface 924 be directly communicated with Hydraulic Station pipe interface 92 with Hydraulic Station pipe interface 91 with hydraulic cylinder pipe interface 911, continue respectively after inserted valve 96, reversal valve 95 and be communicated with Hydraulic Station pipe interface 92 with Hydraulic Station pipe interface 91 in the upper and lower lumen road of other hydraulic cylinders.
Closer, control Hydraulic Station pipe interface 91 and Hydraulic Station pipe interface 92 downward continue successively one-way throttle valve 7, the hydraulic control one-way valve 6 of cartridge valve group 9, then continue electro-hydraulic reversing valve 5, electro-hydraulic reversing valve connects overflow valve 35 times, overflow valve connects the hydraulic pump 1 be connected with motor 2 for 3 times, hydraulic pump 1 time connected tank 15.
The Hydraulic Station pipe interface 93 controlling cartridge valve group 9 continues with accumulator 4, and Hydraulic Station pipe interface 94 and fuel tank 15 continue.
Between electro-hydraulic reversing valve 5 and overflow valve 3 also successively and be connected to pressure-reducing valve 14, solenoid directional control valve 13, hydraulic motor 12, one-way throttle valve 11.
Control to be provided with pressure sensor 8 between cartridge valve group 9 and one-way throttle valve 7.
The present invention has following good effect: adopt series system to connect when hydraulic cylinder leans out fast in the present invention, in the first hydraulic cylinder cavity of resorption oil-feed process, the oil return of epicoele directly enters into the cavity of resorption of next hydraulic cylinder, the like; Hydraulic oil gets back to fuel tank from the epicoele of last hydraulic cylinder, realizes the series connection of each hydraulic cylinder; When hydraulic cylinder is retracted, to pass in and out oily mode contrary for upper and lower cavity.During series connection, the hydraulic cylinder speed of service can improve 2 ~ 4 times, and synchronization accuracy is high, error can be controlled in 2mm/m, and energy consumption is low.During filter plate assembly sealing, by cartridge valve group, hydraulic cylinder is switched to parallel way, realizes high pressure sealing.
Control cartridge valve group to play a part to switch hydraulic cylinder series/parallel connected mode, overcome series, parallel separately while shortcoming, at utmost play respective advantage; There is stronger contamination resistance and lower processing cost.
Accompanying drawing explanation
Fig. 1 is hydraulic schematic diagram of the present invention;
Fig. 2 is the structural representation that the present invention controls cartridge valve group;
Fig. 3 is the top view of Fig. 2.
In figure: 1 hydraulic pump, 2 motors, 3 overflow valves, 4 accumulators, 5 electro-hydraulic reversing valves, 6 hydraulic control one-way valves, 7 one-way throttle valves, 8 pressure sensors, 9 control cartridge valve group, 91-94 Hydraulic Station pipe interface, 911-914,921-924 hydraulic cylinder pipe interface, 95 reversal valves, 96 inserted valves, 97 main valve bodies, 101-104 hydraulic cylinder, 11 one-way throttle valves, 12 hydraulic motors, 13 solenoid directional control valves, 14 pressure-reducing valves, 15 fuel tanks.
Detailed description of the invention
By reference to the accompanying drawings, describe the present invention in detail, and provide specific embodiment, for further illustrating the present invention.
Vertical type filter press hydraulic system, comprises 4 double acting hydraulic cylinders 101,102,103,104 driving filter press, hydraulic motor 12, fuel tank 15, hydraulic pump 1, controls cartridge valve group 9; The cavity of resorption pipeline of double acting hydraulic cylinder 101 continues with the hydraulic cylinder pipe interface 911 controlling cartridge valve group 9, and its epicoele pipeline continues with the hydraulic cylinder pipe interface 921 controlling cartridge valve group 9; The cavity of resorption pipeline of double acting hydraulic cylinder 102 continues with the hydraulic cylinder pipe interface 912 controlling cartridge valve group 9, and its epicoele pipeline continues with the hydraulic cylinder pipe interface 922 controlling cartridge valve group 9; The cavity of resorption pipeline of double acting hydraulic cylinder 103 continues with the hydraulic cylinder pipe interface 913 controlling cartridge valve group 9, and its epicoele pipeline continues with the hydraulic cylinder pipe interface 923 controlling cartridge valve group 9; The cavity of resorption pipeline of double acting hydraulic cylinder 104 continues with the hydraulic cylinder pipe interface 914 controlling cartridge valve group 9, and its epicoele pipeline continues with the hydraulic cylinder pipe interface 924 controlling cartridge valve group 9; Hydraulic cylinder pipe interface 924 is directly communicated with Hydraulic Station pipe interface 92; Hydraulic cylinder pipe interface 911 is directly communicated with Hydraulic Station pipe interface 91; Hydraulic cylinder pipe interface 921,922,923 is communicated with Hydraulic Station pipe interface 92 by inserted valve 96; Hydraulic cylinder pipe interface 912,913,914 is communicated with Hydraulic Station pipe interface 91 by inserted valve 96; Inserted valve 96 is connected with reversal valve 95.
Control Hydraulic Station pipe interface 91 and Hydraulic Station pipe interface 92 downward continue successively one-way throttle valve 7, the hydraulic control one-way valve 6 of cartridge valve group 9, then continue electro-hydraulic reversing valve 5, electro-hydraulic reversing valve connects overflow valve 35 times, overflow valve connects the hydraulic pump 1 be connected with motor 2 for 3 times, hydraulic pump 1 time connected tank 15.The Hydraulic Station pipe interface 93 controlling cartridge valve group 9 continues with accumulator 4, and Hydraulic Station pipe interface 94 and fuel tank 15 continue.Between electro-hydraulic reversing valve 5 and overflow valve 3 also successively and be connected to pressure-reducing valve 14, solenoid directional control valve 13, hydraulic motor 12, one-way throttle valve 11.Control to be provided with pressure sensor 8 between cartridge valve group 9 and one-way throttle valve 7.
When hydraulic cylinder group leans out fast, 912 and 921,913 and 922, inserted valve between 914 and 923 opens, while the oil-feed of last hydraulic cylinder cavity of resorption, the hydraulic oil of its epicoele directly enters the cavity of resorption of next hydraulic cylinder, advances successively, realizes the series connection of hydraulic cylinder group; When hydraulic cylinder arrives precalculated position, 912 and 921,913 and 922, inserted valve between 914 and 923 between different hydraulic cylinder closes, 912,913,914,921,922,923 inserted valves continued are opened, and hydraulic cylinder group realizes in parallel, realize leaning out at a slow speed and high pressure sealing.When hydraulic cylinder group is retracted, action request is identical.
The sequence of movement of hydraulic cylinder is:
1, hydraulic cylinder group piston rod divides and leans out fast, leans out at a slow speed/the course of action such as high pressure compression, fast retractile, at a slow speed retraction.
2, during hydraulic cylinder group piston rod fast retractile, filter press filter board assembly starts to close, and for being connected in series between hydraulic cylinder, the speed of service is fast, synchronization accuracy is high, fuel delivery is few, energy consumption is low.
3, hydraulic cylinder is retracted at a slow speed until high pressure compresses the stage, and hydraulic cylinder changes into and being connected in parallel, and realizes high pressure and compresses.This stage stroke is very short, and the whole process that leans out of comparing all uses parallel way, and fuel delivery reduces a lot.
4, hydraulic cylinder fast, when leaning out at a slow speed, the process of its course of work and retraction is similar.
Be understandable that, simply show some embodiments of the present invention in this description, according to above-mentioned principle, the present invention can also carry out suitable change and amendment to above-mentioned detailed description of the invention.Therefore, the present invention is not limited to detailed description of the invention disclosed and described above, also should fall in the protection domain of claim of this patent modifications and changes more of the present invention.In addition, although employ some specific terms in this description, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (5)
1. a vertical type filter press hydraulic system, comprise the multiple hydraulic cylinders (101 driving filter press respectively, 102, 103, 104), drive and tensioning apparatus hydraulic motor (12) used, fuel tank (15), hydraulic pump (1), it is characterized in that and hydraulic cylinder (101, 102, 103, 104) what continue is the control cartridge valve group (9) that can realize series/parallel handoff functionality, described control cartridge valve group (9) comprises main valve body (97), multiple reversal valve (95), multiple inserted valve (96), multiple hydraulic cylinder pipe interface (911, 912, 913, 914, 921, 922, 923, 924), multiple Hydraulic Station pipe interface (91, 92, 93, 94), hydraulic cylinder upper, cavity of resorption is corresponding with control cartridge valve group each hydraulic cylinder pipe interface to continue, wherein: the cavity of resorption pipeline of the first hydraulic cylinder (101) and the epicoele pipeline of last hydraulic cylinder (104) continue last hydraulic cylinder pipe interface (924) and the first hydraulic cylinder pipe interface (911) respectively, and last hydraulic cylinder pipe interface (924) is directly communicated with the second Hydraulic Station pipe interface (92) with the first Hydraulic Station pipe interface (91) with the first hydraulic cylinder pipe interface (911), other hydraulic cylinders upper, cavity of resorption pipeline continues inserted valve (96) respectively, reversal valve (95) is communicated with the second Hydraulic Station pipe interface (92) with the first Hydraulic Station pipe interface (91) afterwards.
2. a kind of vertical type filter press hydraulic system according to claim 1, it is characterized in that the first Hydraulic Station pipe interface (91) and the second Hydraulic Station pipe interface (92) downward continue successively one-way throttle valve (7), the hydraulic control one-way valve (6) that control cartridge valve group (9), then continue electro-hydraulic reversing valve (5), overflow valve (3) is connect under electro-hydraulic reversing valve (5), the hydraulic pump (1) connected with motor (2) is connect, connected tank (15) under hydraulic pump (1) under overflow valve (3).
3. a kind of vertical type filter press hydraulic system according to claim 1, it is characterized in that the 3rd Hydraulic Station pipe interface (93) controlling cartridge valve group (9) continues with accumulator (4), the 4th Hydraulic Station pipe interface (94) and fuel tank (15) continue.
4. a kind of vertical type filter press hydraulic system according to claim 2, also to is characterized in that between electro-hydraulic reversing valve (5) and overflow valve (3) successively and be connected to pressure-reducing valve (14), solenoid directional control valve (13), hydraulic motor (12), one-way throttle valve (11).
5. a kind of vertical type filter press hydraulic system according to claim 2, is characterized in that controlling to be provided with pressure sensor (8) between cartridge valve group (9) and one-way throttle valve (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110309424.2A CN102380239B (en) | 2011-10-13 | 2011-10-13 | Vertical type filter press hydraulic system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110309424.2A CN102380239B (en) | 2011-10-13 | 2011-10-13 | Vertical type filter press hydraulic system |
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| Publication Number | Publication Date |
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| CN102380239A CN102380239A (en) | 2012-03-21 |
| CN102380239B true CN102380239B (en) | 2016-01-20 |
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| CN201110309424.2A Active CN102380239B (en) | 2011-10-13 | 2011-10-13 | Vertical type filter press hydraulic system |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104675617A (en) * | 2013-11-28 | 2015-06-03 | 付礼成 | Circulation dynamical engine |
| CN104481945B (en) * | 2014-10-28 | 2017-08-04 | 山东泰安煤矿机械有限公司 | Hydraulic means for filter press |
| CN110296112B (en) * | 2018-03-23 | 2020-06-02 | 江苏金风科技有限公司 | Barring hydraulic driving system and driving method |
| CN108854392B (en) * | 2018-07-20 | 2021-12-28 | 天津市雷升科技有限公司 | A multi-mode dust collector |
| CN110723373B (en) * | 2019-10-15 | 2021-09-07 | 苏州嘉诺环境工程有限公司 | Bag breaking machine |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4343235A (en) * | 1979-01-31 | 1982-08-10 | Johnson-Progress, Ltd. | Filter presses |
| CN101249330A (en) * | 2008-03-31 | 2008-08-27 | 江苏新宏大集团有限公司 | Vertical type blotter press |
| CN201953731U (en) * | 2010-11-24 | 2011-08-31 | 中原特种车辆有限公司 | Multi-cylinder synchronous operation control system |
| CN202538447U (en) * | 2011-10-13 | 2012-11-21 | 核工业烟台同兴实业有限公司 | Vertical press filter hydraulic system |
-
2011
- 2011-10-13 CN CN201110309424.2A patent/CN102380239B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4343235A (en) * | 1979-01-31 | 1982-08-10 | Johnson-Progress, Ltd. | Filter presses |
| CN101249330A (en) * | 2008-03-31 | 2008-08-27 | 江苏新宏大集团有限公司 | Vertical type blotter press |
| CN201953731U (en) * | 2010-11-24 | 2011-08-31 | 中原特种车辆有限公司 | Multi-cylinder synchronous operation control system |
| CN202538447U (en) * | 2011-10-13 | 2012-11-21 | 核工业烟台同兴实业有限公司 | Vertical press filter hydraulic system |
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| CN102380239A (en) | 2012-03-21 |
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Address after: 265307 Qixia Economic Development Zone, Yantai, Shandong, China (C) Patentee after: Nuclear industry Yantai Tongxing Industrial Group Co. Ltd. Address before: 265307 Shandong province Qixia Economic Development Zone C district (Songshan) Patentee before: Nuclear Industry Yantai Tongxing Co., Ltd. |
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Effective date of registration: 20210205 Address after: 265300 no.1928, Yingbin Road, Qixia City, Shandong Province Patentee after: YANTAI HEJING CERAMIC NEW MATERIALS Co.,Ltd. Address before: 265307 C District, Qixia Economic Development Zone, Yantai, Shandong (Songshan) Patentee before: NUCLEAR INDUSTRY YANTAI TONCIN INDUSTRY Co.,Ltd. |