CN101708398B - Method for controlling silicon filtering and recycling system - Google Patents
Method for controlling silicon filtering and recycling system Download PDFInfo
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- CN101708398B CN101708398B CN2009101550934A CN200910155093A CN101708398B CN 101708398 B CN101708398 B CN 101708398B CN 2009101550934 A CN2009101550934 A CN 2009101550934A CN 200910155093 A CN200910155093 A CN 200910155093A CN 101708398 B CN101708398 B CN 101708398B
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Abstract
The invention relates to a method for controlling a silicon filtering and recycling system, which has convenient and visualized control, high filter efficiency and thorough cleaning and has the control steps of compacting, filtering, cleaning 1, cleaning 2, squeezing, draining water, blowing air, blowing air 2, blowing back, returning stroke, opening a turning plate, discharging by a pull plate and closing the turning plate, wherein the cleaning process comprises the following steps of: cleaning secondary compacting, cleaning secondary return stroke, moving ahead of a cleaning car, descending a frame, ascending the frame, moving the pull plate forward, moving the pull plate backward, returning the pull plate and returning a dolly; and an electric cabinet is provided with an emergency stop button and a cleaning cloth selection turn button. The invention has the advantages that the silicon filtering and recycling system is controlled by a PLC and displays through a touch screen, thereby having visualized and convenient control; the plate pulling and the rapping are performed at the same time, thereby shortening the time for discharging cakes and enhancing the filter efficiency; and the secondary cleaning is adopted, thereby having thorough cleaning.
Description
Technical field
The present invention relates to that a kind of control is directly perceived, filter efficiency is high, wash method for controlling silicon filtering and recycling system completely, belong to filter press and make the field.
Background technology
CN201082373, title " a kind of fluid filter system ", it comprises deironing apparatus, has iron removal trough, its sidewall two ends are provided with charging aperture and discharging opening; Filter, its two ends have entrance and exit, and the arrival end of said filter connects the discharging opening of said deironing apparatus; Back purge system, the one of which end has liquid outlet, and said liquid outlet connects said filter outlet; Retracting device, one of which end have the mouth of recovery, connect said filter inlet; And drive unit, connect said filter and back purge system.Its weak point: the one, filter efficiency is not high; The 2nd, wash thorough inadequately; The 3rd, the not enough science of control method directly influences service efficiency.
Summary of the invention
Purpose of design: avoid the weak point in the background technology, design that a kind of control is directly perceived, filter efficiency is high, wash method for controlling silicon filtering and recycling system completely.
Design: in order to realize above-mentioned purpose of design.1, silicon filtering and recycling system shows by PLC control and through touch-screen, and each state can show, and on screen, sets each parameter, and shows each alarm condition, adopts the design of English display, is one of technical characterictic of the present invention.The purpose of doing like this is: carry out setting and each State Selection of each parameter through touch-screen, control more intuitive and convenient.2, when the washing car move ahead put in place after, PLC starts that vibration body carries out rapping and the rapping number of times can be two of a technical characterictic of the present invention through the design of PLC control.The purpose of doing like this is: rapping is carried out on arm-tie limit, limit, has shortened the time of unloading cake, has improved filter efficiency.
Technical scheme: a kind of method for controlling silicon filtering and recycling system, require on (1) touch-screen its technology Graphics Design is got on, each state can show, and on screen, sets each parameter, and shows each alarm condition, adopts literal to show; (2) need alarm, reset and adopt to touch go up push-button reset, scram button is arranged on the electric cabinet, the selection knob washes cloth; The button and the automatic button that (3) should have each to move in the touch-screen; Stop button----filter press all will be ended the work of filter press at any state of work, at manual any state, all will remove; At auto state, pause button will not removed packing state; (4) single step and auto-action control are all adopted in above action; All cleaning states were just effective when (5) the water flushing was selected knob to the cleaning state when washing cloth, and the filter plate wash number can be selected in touch-screen; (6) wash cloth the selection knob to the cleaning state, get at touch-screen and clean picture, carry out following operation: 1. clean secondary compression, filter press PLC starts the high and low pressure motor, opens compaction solenoid valve and compresses filter plate, reaches Pressure gauge upper limit pressure, and motor is closed down automatically; 2. clean the secondary backhaul: filter press PLC opens pressure-relief valve earlier, wait the release time to after close pressure-relief valve, start the low pressure fuel pump motor, open backhaul magnetic valve backhaul filter plate, backhaul backhaul limit switch is on earth connected, motor is closed down automatically; 3. washing car moves ahead: filter press PLC starts the washing car motor that advances; The washing car advances; When the advance limit switch that puts in place of washing car is connected; The washing car motor that advances is closed down automatically, and opens return valve F03 simultaneously, and output starts scavenging pump signal enabling scavenging pump P03 when valve puts spacing ZSH/F03 action in place; 4. under the vehicle frame: filter press PLC starts washing car Oil pump electrical machinery, opens magnetic valve under the rack for cleaning, cleans under the vehicle frame; When vehicle frame drops to the valve open position, limit switch is connected PLC and is opened cleaning valve F04 automatically, and closing volume valve F03 cleans filter cloth when valve puts spacing ZSH/F04 action in place; When descending, vehicle frame puts in place; The limit switch that puts in place of descending is connected, and filter press is closed down washing car Oil pump electrical machinery, magnetic valve under the rack for cleaning; 5. on the vehicle frame: filter press PLC starts washing car Oil pump electrical machinery, opens magnetic valve on the rack for cleaning, cleans on the vehicle frame; To the valve open position, limit switch is connected PLC and is opened return valve F03 automatically on vehicle frame, closes cleaning valve F04 when spacing ZSH/F03 moves when valve puts in place; On vehicle frame, put in place; On the limit switch that puts in place connect, filter press is closed down washing car Oil pump electrical machinery, magnetic valve under the rack for cleaning; 6. arm-tie advances: filter press PLC starts the high-pressure oil pump motor, and arm-tie advances magnetic valve and gets electricly, and drawing-plate mechanism advances, and arrives setting-up time, and PLC switches arm-tie and advances magnetic valve; 7. arm-tie is retreated: filter press PLC starts the high-pressure oil pump motor, and arm-tie moves back magnetic valve and gets electricly, and drawing-plate mechanism is retreated, and arrives setting-up time, and PLC switches arm-tie and moves back magnetic valve; 8. arm-tie returns: filter press PLC starts the high-pressure oil pump motor, connects when returning the limit switch that puts in place, and arm-tie moves back magnetic valve and gets; Drawing-plate mechanism is retreated; When drawing-plate mechanism falls back on the position, arm-tie stops limit switch being connected, and PLC closes down Oil pump electrical machinery and arm-tie moves back magnetic valve; 9. dolly returns: filter press PLC starts the washing car motor that advances; The washing car advances, and connects when the washing car returns the limit switch that puts in place, and the washing car motor that advances is closed down automatically; Start the washing car and retreat motor; And output is closed down the scavenging pump signal and is closed down scavenging pump P03 and return valve F03 simultaneously, returns the limit switch switch connection that puts in place when connecing, and washes car and retreats motor.
The present invention compares with background technology, and the one, silicon filtering and recycling system shows by PLC control and through touch-screen, the control intuitive and convenient; The 2nd, the time of unloading cake has been shortened in limit arm-tie limit rapping, has improved filter efficiency; The 3rd, adopt secondary washing, wash more thorough.
Description of drawings
Fig. 1 is the flow chart of method for controlling silicon filtering and recycling system.
The specific embodiment
Embodiment 1: with reference to accompanying drawing 1.A kind of method for controlling silicon filtering and recycling system is characterized in that: require on (1) touch-screen its technology Graphics Design is got on, each state can show, and on screen, sets each parameter, and shows each alarm condition, adopts literal to show; (2) need alarm, reset and adopt to touch go up push-button reset, scram button is arranged on the electric cabinet, the selection knob washes cloth; The button and the automatic button that (3) should have each to move in the touch-screen; Stop button----filter press all will be ended the work of filter press at any state of work, at manual any state, all will remove; At auto state, pause button will not removed packing state; (4) single step and auto-action control are all adopted in above action; All cleaning states were just effective when (5) the water flushing was selected knob to the cleaning state when washing cloth, and the filter plate wash number can be selected in touch-screen; (6) wash cloth the selection knob to the cleaning state, get at touch-screen and clean picture, carry out following operation: 1. clean secondary compression, filter press PLC starts the high and low pressure motor, opens compaction solenoid valve and compresses filter plate, reaches Pressure gauge upper limit pressure, and motor is closed down automatically; 2. clean the secondary backhaul: filter press PLC opens pressure-relief valve earlier, wait the release time to after close pressure-relief valve, start the low pressure fuel pump motor, open backhaul magnetic valve backhaul filter plate, backhaul backhaul limit switch is on earth connected, motor is closed down automatically; 3. washing car moves ahead: filter press PLC starts the washing car motor that advances; The washing car advances; When the advance limit switch that puts in place of washing car is connected; The washing car motor that advances is closed down automatically, and opens return valve F03 simultaneously, and output starts scavenging pump signal enabling scavenging pump P03 when valve puts spacing ZSH/F03 action in place; 4. under the vehicle frame: filter press PLC starts washing car Oil pump electrical machinery, opens magnetic valve under the rack for cleaning, cleans under the vehicle frame; When vehicle frame drops to the valve open position, limit switch is connected PLC and is opened cleaning valve F04 automatically, and closing volume valve F03 cleans filter cloth when valve puts spacing ZSH/F04 action in place; When descending, vehicle frame puts in place; The limit switch that puts in place of descending is connected, and filter press is closed down washing car Oil pump electrical machinery, magnetic valve under the rack for cleaning; 5. on the vehicle frame: filter press PLC starts washing car Oil pump electrical machinery, opens magnetic valve on the rack for cleaning, cleans on the vehicle frame; To the valve open position, limit switch is connected PLC and is opened return valve F03 automatically on vehicle frame, closes cleaning valve F04 when spacing ZSH/F03 moves when valve puts in place; On vehicle frame, put in place; On the limit switch that puts in place connect, filter press is closed down washing car Oil pump electrical machinery, magnetic valve under the rack for cleaning; 6. arm-tie advances: filter press PLC starts the high-pressure oil pump motor, and arm-tie advances magnetic valve and gets electricly, and drawing-plate mechanism advances, and arrives setting-up time, and PLC switches arm-tie and advances magnetic valve; 7. arm-tie is retreated: filter press PLC starts the high-pressure oil pump motor, and arm-tie moves back magnetic valve and gets electricly, and drawing-plate mechanism is retreated, and arrives setting-up time, and PLC switches arm-tie and moves back magnetic valve; 8. arm-tie returns: filter press PLC starts the high-pressure oil pump motor, connects when returning the limit switch that puts in place, and arm-tie moves back magnetic valve and gets; Drawing-plate mechanism is retreated; When drawing-plate mechanism falls back on the position, arm-tie stops limit switch being connected, and PLC closes down Oil pump electrical machinery and arm-tie moves back magnetic valve; 9. dolly returns: filter press PLC starts the washing car motor that advances; The washing car advances, and connects when the washing car returns the limit switch that puts in place, and the washing car motor that advances is closed down automatically; Start the washing car and retreat motor; And output is closed down the scavenging pump signal and is closed down scavenging pump P03 and return valve F03 simultaneously, returns the limit switch switch connection that puts in place when connecing, and washes car and retreats motor.
Clean single-point control in the action: the washing car moves ahead, under the vehicle frame, on the vehicle frame, arm-tie advances, arm-tie is retreated, dolly returns.
Clean one-step control in the action: clean secondary compression, clean the secondary backhaul, the washing car moves ahead, under the vehicle frame, on the vehicle frame, arm-tie advances, arm-tie is retreated, dolly returns.
Clean control automatically in the action: clean secondary compression, clean the secondary backhaul, the washing car moves ahead, under the vehicle frame, on the vehicle frame, arm-tie advances, arm-tie is retreated, arm-tie returns, dolly returns.
When single-point is controlled washing pump and valve, one-step control under the vehicle frame, just control on the vehicle frame and wash pump and valve all the other are not interlocked.Automatically the control interlocking is washed pump and valve, oil pump, and water pump does not stop (except the fault) at whole water-washing process regular event.
Filter press PLC adopts a control two modes.
That is to say:
1, compress: filter press PLC starts high and low Oil pump electrical machinery simultaneously, opens compaction solenoid valve and compresses filter plate, reaches to demarcate upper limit pressure, and motor is closed down automatically, and filter press gets into automatic packing state.
2, filter: filter press PLC opens inlet valve F06 and liquid valve F13, F05, F01, the valve spacing ZSH/F06 that puts in place; ZSH/F13, ZSH/F05 opens feed pump magnetic valve SV1 again during the ZSH/F01 action; Open; Slip promptly gets into each filter chamber through the charging hole on the thrust plate, and when pressure reaches feed pressure upper limit PS01, machine cuts out feed pump and corresponding inlet valve automatically.Accomplish charging control and mainly set through pressure time, arrive setting-up time, the protection charging will be accomplished feed state by the time when avoiding feed pressure not come up.
3, washing 1: filter press PLC opens washing valve F09, F11 and liquid valve F05, the valve spacing ZSH/F09 that puts in place, and ZSH/F11 washs for the headstock starting washing pump of the other side's pump thereby export the scavenging pump enabling signal again during the ZSH/F05 action to filter cake.When washing time of 1 to after close washing pump automatically and accomplish 1 state of washing with valve.
4 washings 2: filter press PLC opens washing valve F09, F12 and liquid valve F13, the valve spacing ZSH/F09 that puts in place, and ZSH/F12 washs for the headstock starting washing pump of the other side's pump thereby export the scavenging pump enabling signal again during the ZSH/F13 action to filter cake.When washing time of 2 to after close washing pump automatically and accomplish 2 states of washing with valve.
5, squeezing: filter press PLC opens squeezing valve F02 and liquid valve F13; F05; The valve spacing ZSH/F02 that puts in place, ZSH/F13 squeezes for the headstock starting press pump of the other side's pump thereby export the press pump enabling signal again during the ZSH/F05 action to filter cake; When squeeze pressure is higher than safety valve setting pressure, squeeze safety valve and open automatically.When the squeezing time to after close press pump and valve automatically and accomplish the squeezing state.
6, discharge water: filter press PLC opens discharging valve F01 and liquid valve F13, F05, the valve spacing ZSH/F01 that puts in place, ZSH/F13, during the ZSH/F05 action to the barrier film processing that discharges water.When discharge time to after self-closing valve accomplish the state that discharges water.
7, blow 1: filter press PLC opens discharging valve F01, purge valve F10, F11 and liquid valve F05, the valve spacing ZSH/F01 that puts in place, and ZSH/F10, ZSH/F11 purges filter cake during the ZSH/F05 action.Self-closing valve is accomplished 1 state of air blowing after the time of air blowing 1 arrives.
8, blow 2: filter press PLC opens discharging valve F01, washing valve F10, F12 and liquid valve F13, the valve spacing ZSH/F01 that puts in place, and ZSH/F10, ZSH/F12 purges filter cake during the ZSH/F13 action.Self-closing valve is accomplished 2 states of air blowing after the time of air blowing 2 arrives.
9, blowback: filter press PLC opens discharging valve F01, back-flushing valve F08 and return valve F07, the valve spacing ZSH/F01 that puts in place, and ZSH/F08 purges filter cake during the ZSH/F07 action.Self-closing valve is accomplished the blowback state after the blowback time arrives, and the cancellation packing state.
10, backhaul: filter press PLC opens pressure-relief valve earlier, wait the release time to after close pressure-relief valve, start the low pressure fuel pump motor simultaneously, open backhaul magnetic valve backhaul filter plate, backhaul backhaul limit switch is on earth connected, motor is closed down automatically.
11, turnover panel is opened: filter press PLC starts turnover panel motor and turnover panel brake, and turnover panel is opened, and turnover panel is opened the plate opening limit switch that puts in place and connected, and motor is closed down automatically.
12, arm-tie discharging: filter press PLC starts the high-pressure oil pump motor, and arm-tie advances magnetic valve and gets electricly, and drawing-plate mechanism advances; Arrive setting-up time, arm-tie moves back magnetic valve and gets electricly, and drawing-plate mechanism is retreated; As be recycled to and pull last piece plate; Drawing-plate mechanism triggers arm-tie and returns the limit switch connection, and arm-tie returns, and retreats to arm-tie and stops the limit switch connection.Arm-tie finishes, the stall of arm-tie motor.Can suspend arm-tie near coming through pull bar in the arm-tie process suspends.
After first plate arm-tie put in place, filter press PLC started the washing car motor that advances, and the washing car advances, when the advance limit switch that puts in place of washing car is connected; The washing car motor that advances is closed down automatically, and this moment, air-operated solenoid valve line bag Y14 got electricly, and cylinder piston rod stretches out, when descent of piston puts in place; During spacing B26 action, this moment air-operated solenoid valve line bag Y14 dead electricity, Y13 gets electric, the cylinder piston rod withdrawal; When piston stroking upward puts in place, when spacing B25 moves, accomplish rapping action.Generally open plate rapping circulation 2-4 time each time, specifically can and break away from the filter cloth situation, set the rapping number of times by PLC according to the filter cake viscosity characteristics.
13, turnover panel is closed: filter press PLC starts turnover panel motor and turnover panel brake, and turnover panel is closed, triggers the closed limit switch of turnover panel after the turnover panel closure puts in place and connects, and turnover panel is closed down automatically.
What need understand is: though the foregoing description is to the present invention's detailed text description of contrasting; But these text descriptions; Just the simple text of mentality of designing of the present invention is described; Rather than to the restriction of utility model mentality of designing, any combination, increase or modification that does not exceed mentality of designing of the present invention all falls in protection scope of the present invention.
Claims (6)
1. method for controlling silicon filtering and recycling system is characterized in that: require its technology Graphics Design is got on (1) touch-screen, each state can show, and on screen, sets each parameter, and shows each alarm condition, adopts literal to show; (2) need alarm, reset and adopt to touch go up push-button reset, scram button is arranged on the electric cabinet, the selection knob washes cloth; The button and the automatic button that (3) should have each to move in the touch-screen; Stop button----filter press all will be ended the work of filter press at any state of work, at manual any state, all will remove; At auto state, pause button will not removed packing state; (4) single step and auto-action control are all adopted in above action; All cleaning states were just effective when (5) the water flushing was selected knob to the cleaning state when washing cloth, and the filter plate wash number can be selected in touch-screen; (6) wash cloth the selection knob to the cleaning state, get at touch-screen and clean picture, carry out following operation: 1. clean secondary compression, filter press PLC starts the high and low pressure motor, opens compaction solenoid valve and compresses filter plate, reaches Pressure gauge upper limit pressure, and motor is closed down automatically; 2. clean the secondary backhaul: filter press PLC opens pressure-relief valve earlier, wait the release time to after close pressure-relief valve, start the low pressure fuel pump motor, open backhaul magnetic valve backhaul filter plate, backhaul backhaul limit switch is on earth connected, motor is closed down automatically; 3. washing car moves ahead: filter press PLC starts the washing car motor that advances; The washing car advances; When the advance limit switch that puts in place of washing car is connected; The washing car motor that advances is closed down automatically, and opens return valve F03 simultaneously, and output starts scavenging pump signal enabling scavenging pump P03 when valve puts spacing ZSH/F03 action in place; 4. under the vehicle frame: filter press PLC starts washing car Oil pump electrical machinery, opens magnetic valve under the rack for cleaning, cleans under the vehicle frame; When vehicle frame drops to the valve open position, limit switch is connected PLC and is opened cleaning valve F04 automatically, and closing volume valve F03 cleans filter cloth when valve puts spacing ZSH/F04 action in place; When descending, vehicle frame puts in place; The limit switch that puts in place of descending is connected, and filter press is closed down washing car Oil pump electrical machinery, magnetic valve under the rack for cleaning; 5. on the vehicle frame: filter press PLC starts washing car Oil pump electrical machinery, opens magnetic valve on the rack for cleaning, cleans on the vehicle frame; To the valve open position, limit switch is connected PLC and is opened return valve F03 automatically on vehicle frame, closes cleaning valve F04 when spacing ZSH/F03 moves when valve puts in place; On vehicle frame, put in place; On the limit switch that puts in place connect, filter press is closed down washing car Oil pump electrical machinery, magnetic valve under the rack for cleaning; 6. arm-tie advances: filter press PLC starts the high-pressure oil pump motor, and arm-tie advances magnetic valve and gets electricly, and drawing-plate mechanism advances, and arrives setting-up time, and PLC switches arm-tie and advances magnetic valve; 7. arm-tie is retreated: filter press PLC starts the high-pressure oil pump motor, and arm-tie moves back magnetic valve and gets electricly, and drawing-plate mechanism is retreated, and arrives setting-up time, and PLC switches arm-tie and moves back magnetic valve; 8. arm-tie returns: filter press PLC starts the high-pressure oil pump motor, connects when returning the limit switch that puts in place, and arm-tie moves back magnetic valve and gets; Drawing-plate mechanism is retreated; When drawing-plate mechanism falls back on the position, arm-tie stops limit switch being connected, and PLC closes down Oil pump electrical machinery and arm-tie moves back magnetic valve; 9. dolly returns: filter press PLC starts the washing car motor that advances; The washing car advances, and connects when the washing car returns the limit switch that puts in place, and the washing car motor that advances is closed down automatically; Start the washing car and retreat motor; And output is closed down the scavenging pump signal and is closed down scavenging pump P03 and return valve F03 simultaneously, returns the limit switch switch connection that puts in place when connecing, and washes car and retreats motor.
2. method for controlling silicon filtering and recycling system according to claim 1 is characterized in that: clean single-point control in the action: the washing car moves ahead, under the vehicle frame, on the vehicle frame, arm-tie advances, arm-tie is retreated, dolly returns.
3. method for controlling silicon filtering and recycling system according to claim 1 is characterized in that: clean one-step control in the action: clean secondary compression, clean the secondary backhaul, the washing car moves ahead, under the vehicle frame, on the vehicle frame, arm-tie advances, arm-tie is retreated, dolly returns.
4. method for controlling silicon filtering and recycling system according to claim 1 is characterized in that: clean control automatically in the action: clean secondary compression, clean the secondary backhaul, the washing car moves ahead, under the vehicle frame, on the vehicle frame, arm-tie advances, arm-tie is retreated, arm-tie returns, dolly returns.
5. method for controlling silicon filtering and recycling system according to claim 1; It is characterized in that: when single-point is controlled washing pump and valve, one-step control under the vehicle frame, just control on the vehicle frame and wash pump and valve all the other are not interlocked; Automatically the control interlocking is washed pump and valve; Oil pump, water pump does not stop at whole water-washing process regular event.
6. method for controlling silicon filtering and recycling system according to claim 1 is characterized in that: filter press PLC adopts a control two modes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101550934A CN101708398B (en) | 2009-12-21 | 2009-12-21 | Method for controlling silicon filtering and recycling system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009101550934A CN101708398B (en) | 2009-12-21 | 2009-12-21 | Method for controlling silicon filtering and recycling system |
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| Publication Number | Publication Date |
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| CN101708398A CN101708398A (en) | 2010-05-19 |
| CN101708398B true CN101708398B (en) | 2012-07-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2009101550934A Expired - Fee Related CN101708398B (en) | 2009-12-21 | 2009-12-21 | Method for controlling silicon filtering and recycling system |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109224546A (en) * | 2018-10-29 | 2019-01-18 | 兰州有色冶金设计研究院有限公司 | A kind of filtration washing integrated device and method |
| CN113117416A (en) * | 2021-05-21 | 2021-07-16 | 浙江杰为凯环保科技有限公司 | High-precision positioning control method of filter cloth cleaning system |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659465A (en) * | 1984-08-17 | 1987-04-21 | Kurita Machinery Manufacturing Company | Washing apparatus for filter presses |
| CN101073723A (en) * | 2006-08-01 | 2007-11-21 | 杭州兴源过滤机有限公司 | Mechanism and method for cleaning filter cloth of pressure filter |
| CN201139984Y (en) * | 2007-12-18 | 2008-10-29 | 杭州兴源过滤机有限公司 | Primary withdrawing-vibrating filter board pressure filter |
| CN101380528A (en) * | 2007-12-18 | 2009-03-11 | 杭州兴源过滤机有限公司 | Disposable tension vibration pressure filter and vibration method |
-
2009
- 2009-12-21 CN CN2009101550934A patent/CN101708398B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4659465A (en) * | 1984-08-17 | 1987-04-21 | Kurita Machinery Manufacturing Company | Washing apparatus for filter presses |
| CN101073723A (en) * | 2006-08-01 | 2007-11-21 | 杭州兴源过滤机有限公司 | Mechanism and method for cleaning filter cloth of pressure filter |
| CN201139984Y (en) * | 2007-12-18 | 2008-10-29 | 杭州兴源过滤机有限公司 | Primary withdrawing-vibrating filter board pressure filter |
| CN101380528A (en) * | 2007-12-18 | 2009-03-11 | 杭州兴源过滤机有限公司 | Disposable tension vibration pressure filter and vibration method |
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Owner name: XINGYUAN ENVIRONMENT TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HANGZHOU XINGYUAN FILTER TECHNOLOGY CO., LTD. |
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Address after: 311100, No. 1588, hope road, Hangzhou economic and Technological Development Zone, Yuhang District, Zhejiang, Hangzhou, Yuhang Patentee after: Xing Yuan environmental science and technology limited company Address before: 311113 Liangzhu Road, Liangzhu Town, Yuhang District, Zhejiang, Hangzhou, 10 Patentee before: Hangzhou Xingyuan Filter Technology Co., Ltd. |
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Granted publication date: 20120718 Termination date: 20151221 |
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