CN104481945A - Hydraulic device for filter press - Google Patents
Hydraulic device for filter press Download PDFInfo
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- CN104481945A CN104481945A CN201410582647.XA CN201410582647A CN104481945A CN 104481945 A CN104481945 A CN 104481945A CN 201410582647 A CN201410582647 A CN 201410582647A CN 104481945 A CN104481945 A CN 104481945A
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- Prior art keywords
- valve
- oral area
- communicated
- directional control
- output terminal
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D25/00—Filters formed by clamping together several filtering elements or parts of such elements
- B01D25/12—Filter presses, i.e. of the plate or plate and frame type
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
- F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20546—Type of pump variable capacity
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fluid-Pressure Circuits (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
Abstract
The invention discloses a hydraulic device for a filter press. The hydraulic device comprises a hydraulic power source device I (101) with two pump bodies, a filtration plate drive circuit device (103) communicated with the hydraulic power source device I (101), a filter cloth main drive circuit device communicated with the hydraulic power source device I (101), a filter cloth tensioning circuit device (105) communicated with the hydraulic power source device I (101), a hydraulic power source device II (106) with a pump body, and a filter cloth auxiliary drive device (106) communicated with the hydraulic power source device II (106); and a valve body communicated with the hydraulic power source device I (101) is arranged in the filtration plate drive circuit device (103). Through two pump bodies of the hydraulic power source device I (101), a hydraulic power source is ensured; through quick unloading of the valve body communicated with the circuits of the hydraulic power source device I (101), the quick return of a filtration plate drive cylinder is ensured; and a single pump is not directly communicated with the circuits of the hydraulic power source device I (101), so that pump power is reduced, and vibration of the filtration plate drive cylinder is avoided.
Description
One, technical field
The present invention relates to a kind of hydraulic pressure installation, especially a kind of hydraulic pressure installation for pressure filter.
Two, background technique
Pressure filter is widely used in the filtration of the products such as nickel ore concentrate, zine oxide leachate, ferment, starch, alkaline residue, zeolite, copper concentrate, solid matter and liquid are carried out quick separating, in order to ensure the performance of pressure filter, need to use hydraulic pressure installation to complete the movement process of pressure filter, therefore be a kind of parts of important mine device for the hydraulic pressure installation of pressure filter, existing in the hydraulic pressure installation of pressure filter, complete filtration, extrude, dry up, action that washing etc. is basic, filter cloth auxiliary drive is asynchronous, can cause tearing of filter cloth; During oil cylinder rodless cavity oil return, whole mechanical structure produces enormous impact vibration; Because oil hydraulic cylinder cylinder diameter is comparatively large, during oil hydraulic cylinder quick acting, needing large discharge pump to provide, needing the motor of relatively high power to drive for reaching design cylinder speed.
Three, summary of the invention
In order to overcome above-mentioned technical disadvantages, the object of this invention is to provide a kind of hydraulic pressure installation for pressure filter, because this reducing the power using the pump housing, preventing filter plate from driving the generation oscillation phenomenon of oil cylinder.
For achieving the above object, the technological scheme that the present invention takes is: include the hydraulic power source device I with two pump housings, the filter plate drive circuit device be communicated with hydraulic power source device I, the main drive circuit device of filter cloth be communicated with hydraulic power source device I, the filter cloth tensioner loop apparatus be communicated with hydraulic power source device I, the hydraulic power source device II with a pump housing, the filter cloth auxiliary drive that is communicated with hydraulic power source device II, be provided with the valve body with hydraulic power source device I circuit communication in filter plate drive circuit device.
Owing to devising hydraulic power source device I, hydraulic power source device II, filter plate drive circuit device, the main drive circuit device of filter cloth, filter cloth tensioner loop apparatus and filter cloth auxiliary drive, by two pump housings of hydraulic power source device I, ensure that hydraulic pressure source, by the fast discharging of the valve body with hydraulic power source device I circuit communication, ensure that filter plate drives the returning quickly of oil cylinder, do not re-use the single pump housing and direct and hydraulic power source device I circuit communication, because this reducing the power using the pump housing, prevent filter plate from driving the generation oscillation phenomenon of oil cylinder.
The present invention devises, and the main drive circuit device of filter plate drive circuit device, filter cloth and filter cloth tensioner loop apparatus are set to be communicated with hydraulic power source device I respectively, and filter cloth auxiliary drive is set to be communicated with hydraulic power source device II.
The present invention devises, and hydraulic power source device I is set to include constant flow paddle pump I, pilot operated electromagnetic relief valve, one-way valve I, one-way valve II and Variable plunger pump,
The input end oral area of constant flow paddle pump I is placed through oil absorption filter and is communicated with fuel tank and the output port portion of constant flow paddle pump I is set to be communicated with the input end oral area of one-way valve I, the input end oral area of pilot operated electromagnetic relief valve respectively, the input end oral area of Variable plunger pump is set to be communicated with fuel tank and the output port portion of Variable plunger pump is set to be communicated with the input end oral area of one-way valve II, the input end oral area of pilot operated electromagnetic relief valve respectively, and the output terminal oral area of one-way valve I is set to be communicated with the output terminal oral area of one-way valve II.
The present invention devises, hydraulic power source device II is set to include constant flow paddle pump II, pilot operated electromagnetic relief valve and one-way valve III, and the input end oral area of constant flow paddle pump II is placed through oil absorption filter and is communicated with fuel tank and the output port portion of constant flow paddle pump II is set to be communicated with the input end oral area of one-way valve III, the input end oral area of pilot operated electromagnetic relief valve respectively.
The present invention devises, filter plate drive circuit device is set to include cartridge valve I, cartridge valve II, cartridge valve III, cartridge valve IV, solenoid directional control valve I, solenoid directional control valve II, solenoid directional control valve III, solenoid directional control valve IV, relief valve I, relief valve II and Solenoid ball valve
Solenoid directional control valve I is set to be communicated with cartridge valve I, solenoid directional control valve II is set to be communicated with cartridge valve II, solenoid directional control valve III is set to be communicated with cartridge valve III, solenoid directional control valve IV is set to be communicated with cartridge valve IV, cartridge valve I is set to be communicated with cartridge valve II, cartridge valve III is set to be communicated with cartridge valve IV, the input end oral area of cartridge valve II and the input port portion of cartridge valve III are set to be communicated with the output terminal oral area of one-way valve I respectively and the input end oral area of cartridge valve I and the input port portion of cartridge valve IV are set to be communicated with the output terminal oral area of pilot operated electromagnetic relief valve respectively, the output port portion of solenoid directional control valve I is set to drive oil cylinder with filter plate respectively, be communicated with the output terminal oral area of pilot operated electromagnetic relief valve by relief valve I, the output port portion of solenoid directional control valve III is set to drive oil cylinder with filter plate respectively, be communicated with the output terminal oral area of pilot operated electromagnetic relief valve by relief valve II, the output terminal oral area of solenoid directional control valve II is placed through Solenoid ball valve and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve, the output terminal oral area of solenoid directional control valve IV is placed through relief valve II and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve.
The present invention devises, and the input end oral area of the port driving oil cylinder to be communicated with filter plate and relief valve II is provided with pressure monitoring device.
The present invention devises, and the main drive circuit device of filter cloth is set to include laminated type throttle valve I, laminated type reduction valve I and solenoid directional control valve V,
The output terminal oral area of laminated type throttle valve I is placed through laminated type reduction valve I and is communicated with the input end oral area of solenoid directional control valve V and the input end oral area of laminated type throttle valve I is set to be communicated with the output terminal oral area of one-way valve I, the input end oral area that the output terminal oral area of solenoid directional control valve V is set to driving oil hydraulic pump main with filter cloth is communicated with, and the output terminal oral area of the main driving oil hydraulic pump of filter cloth is placed through solenoid directional control valve V and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve with laminated type throttle valve I.
The present invention devises, and the input end oral area of solenoid directional control valve V is provided with pressure monitoring device.
The present invention devises, and filter cloth tensioner loop apparatus is set to include laminated type throttle valve II, laminated type reduction valve II and solenoid directional control valve VI,
The output terminal oral area of laminated type throttle valve II is placed through laminated type reduction valve II and is communicated with the input end oral area of solenoid directional control valve VI and the input end oral area of laminated type throttle valve II is set to be communicated with the output terminal oral area of one-way valve I, the output terminal oral area of solenoid directional control valve VI is set to be communicated with the input end oral area of filter cloth tensioner oil hydraulic pump, and the output terminal oral area of filter cloth tensioner oil hydraulic pump is placed through solenoid directional control valve VI and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve with laminated type throttle valve II.
The present invention devises, and the output terminal oral area of filter cloth tensioner oil hydraulic pump is provided with pressure monitoring device.
The present invention devises, filter cloth auxiliary drive is set to include laminated type throttle valve III and solenoid directional control valve VII, the output terminal oral area of laminated type throttle valve III is set to be communicated with the input end oral area of solenoid directional control valve VI and the input end oral area of laminated type throttle valve III is set to be communicated with the output terminal oral area of one-way valve III, the output terminal oral area of solenoid directional control valve VII is set to be communicated with the input end oral area of filter cloth auxiliary drive oil hydraulic pump, the output terminal oral area of filter cloth auxiliary drive oil hydraulic pump is placed through solenoid directional control valve VII and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve with laminated type throttle valve III.
The present invention devises, and filter cloth auxiliary drive oil hydraulic pump is set to synchronous hydraulic pump.
Technique effect of the present invention is: filter plate drive circuit: this loop is by vane pump and the common fuel feeding of Variable plunger pump, and filter plate is by two Driven by Hydraulic Cylinder, and vertical installation, piston rod is downward.Realize the differential of oil hydraulic cylinder by the cooperation of cartridge valve, reduce the flow of oil hydraulic pump, and then reduce the power of drive motor, significantly reduce cost.Laid down the pressure of oil hydraulic cylinder rodless cavity by Solenoid ball valve in advance, reduce hydraulic shock; The main drive circuit of filter cloth: this loop is by variable piston oil pump feed, and controlled by solenoid directional control valve after reduction valve decompression, oil return adopts meter out valve, realizes having stable behavior, reduces hydraulic shock; Filter cloth tensioning loop: this loop by variable piston oil pump feed, tensioning pressure reach the CLV ceiling limit value of pressure gauge with electric contact time filter cloth tensioning stop; Filter cloth auxiliary drive: this loop, by vane pump fuel feeding, drives syncmotor, realizes the synchronous of filter cloth.By adopting syncmotor, the synchronization accuracy of each filter cloth drive motor reaches ± .%; The mechanical oscillatory structure caused due to hydraulic shock reduces to decibel by decibel; The utilization of differential circuit shortens the closure time of oil hydraulic cylinder, former S is had to lower as S. is by the improvement to above problem, but although add Solenoid ball valve and syncmotor cost of production only increases very little one piece, the application of differential circuit counteracts and adds cost.The Safety performance of pressure filter entirety improves, and decreases equipment failure and then decreases the service cost of going out brought thus.Adopt syncmotor, solve the nonsynchronous phenomenon of each filter cloth motor.The employing of syncmotor avoids filter cloth tearing when moving, and make filter cloth drive motor maintain higher rotation precision, filter cloth motion is more smooth-going; Filter cloth has extruded rear filter plate and will open fast, has higher pressure instantaneously and causes great impact to cause the sharp pounding of mechanical structure by the direct oil sump tank of MPa opening.We adopt Solenoid ball valve to carry out pre-off-load for this reason, are reduced by higher pressure, and then enter fuel tank by electro-hydraulic reversing valve action.Solve hydraulic shock, vibrations obviously reduce in allowed limits.For oil cylinder quick acting after repeated discussions analysis and designation meet the differential circuit of this cover hydraulic system, meeting under the condition that cylinder design requires, reduce power of motor.
In the technical program, ensure that the hydraulic power source device I of the stable working of pressure filter, hydraulic power source device II, filter plate drive circuit device, filter cloth main drive circuit device, filter cloth tensioner loop apparatus and filter cloth auxiliary drive are important technical characteristics, in the technical field of the hydraulic pressure installation for pressure filter, have novelty, creativeness and practicability, the term in the technical program is all to make an explanation with patent documentation in the art and to understand.
Four, accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The connection diagram of Fig. 1 to be schematic diagram of the present invention: Fig. 2 be hydraulic power source device I 101:
Fig. 3 is the connection diagram of hydraulic power source device II 102:
Fig. 4 is the connection diagram of filter plate drive circuit device 103:
Fig. 5 is the connection diagram of the main drive circuit device 104 of filter cloth:
Fig. 6 is the connection diagram of filter cloth tensioner loop apparatus 105:
Fig. 7 is the connection diagram of filter cloth auxiliary drive 106.
Five, embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technological scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is one embodiment of the present of invention, illustrate the present embodiment by reference to the accompanying drawings, include hydraulic power source device I 101, hydraulic power source device II 102, filter plate drive circuit device 103, the main drive circuit device 104 of filter cloth, filter cloth tensioner loop apparatus 105 and filter cloth auxiliary drive 106
The main drive circuit device 104 of filter plate drive circuit device 103, filter cloth and filter cloth tensioner loop apparatus 105 are set to be communicated with hydraulic power source device I 101 respectively, and filter cloth auxiliary drive 106 is set to be communicated with hydraulic power source device II 102.
In the present embodiment, hydraulic power source device I 101 is set to include constant flow paddle pump I 9, pilot operated electromagnetic relief valve 13, one-way valve I 20, one-way valve II 19 and Variable plunger pump 11,
The input end oral area of constant flow paddle pump I 9 is placed through oil absorption filter and is communicated with fuel tank and the output port portion of constant flow paddle pump I 9 is set to the input end oral area with one-way valve I 20 respectively, the input end oral area of pilot operated electromagnetic relief valve 13 is communicated with, the input end oral area of Variable plunger pump 11 is set to be communicated with fuel tank and the output port portion of Variable plunger pump 11 is set to the input end oral area with one-way valve II 19 respectively, the input end oral area of pilot operated electromagnetic relief valve 13 is communicated with, the output terminal oral area of one-way valve I 20 is set to be communicated with the output terminal oral area of one-way valve II 19.
In the present embodiment, hydraulic power source device II 102 is set to include constant flow paddle pump II 33, pilot operated electromagnetic relief valve 13 and one-way valve III 18, and the input end oral area of constant flow paddle pump II 33 is placed through oil absorption filter and is communicated with fuel tank and the output port portion of constant flow paddle pump II 33 is set to be communicated with the input end oral area of one-way valve III 18, the input end oral area of pilot operated electromagnetic relief valve 13 respectively.
In the present embodiment, filter plate drive circuit device 103 is set to include cartridge valve I 211, cartridge valve II 212, cartridge valve III 213, cartridge valve IV 214, solenoid directional control valve I 241, solenoid directional control valve II 242, solenoid directional control valve III 243, solenoid directional control valve IV 244, relief valve I 26, relief valve II 37 and Solenoid ball valve 25
Solenoid directional control valve I 241 is set to be communicated with cartridge valve I 211, solenoid directional control valve II 242 is set to be communicated with cartridge valve II 212, solenoid directional control valve III 243 is set to be communicated with cartridge valve III 213, solenoid directional control valve IV 244 is set to be communicated with cartridge valve IV 214, cartridge valve I 211 is set to be communicated with cartridge valve II 212, cartridge valve III 213 is set to be communicated with cartridge valve IV 214, the input end oral area of cartridge valve II 212 and the input port portion of cartridge valve III 213 are set to be communicated with the output terminal oral area of one-way valve I 20 respectively and the input end oral area of cartridge valve I 211 and the input port portion of cartridge valve IV 214 are set to be communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13 respectively, the output port portion of solenoid directional control valve I 241 is set to drive oil cylinder with filter plate respectively, be communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13 by relief valve I 26, the output port portion of solenoid directional control valve III 243 is set to drive oil cylinder with filter plate respectively, be communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13 by relief valve II 37, the output terminal oral area of solenoid directional control valve II 242 is placed through Solenoid ball valve 25 and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13, the output terminal oral area of solenoid directional control valve IV 244 is placed through relief valve II 37 and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13.
In the present embodiment, the input end oral area of the port driving oil cylinder to be communicated with filter plate and relief valve II 37 is provided with pressure monitoring device.
In the present embodiment, the main drive circuit device 104 of filter cloth is set to include laminated type throttle valve I 311, laminated type reduction valve I 301 and solenoid directional control valve V 291,
The output terminal oral area of laminated type throttle valve I 311 is placed through laminated type reduction valve I 301 and is communicated with the input end oral area of solenoid directional control valve V 291 and the input end oral area of laminated type throttle valve I 311 is set to be communicated with the output terminal oral area of one-way valve I 20, the input end oral area that the output terminal oral area of solenoid directional control valve V 291 is set to driving oil hydraulic pump main with filter cloth is communicated with, and the output terminal oral area of the main driving oil hydraulic pump of filter cloth is placed through solenoid directional control valve V 291 and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13 with laminated type throttle valve I 311.
In the present embodiment, the input end oral area of solenoid directional control valve V 291 is provided with pressure monitoring device.
In the present embodiment, filter cloth tensioner loop apparatus 105 is set to include laminated type throttle valve II 312, laminated type reduction valve II 302 and solenoid directional control valve VI 292,
The output terminal oral area of laminated type throttle valve II 312 is placed through laminated type reduction valve II 302 and is communicated with the input end oral area of solenoid directional control valve VI 292 and the input end oral area of laminated type throttle valve II 312 is set to be communicated with the output terminal oral area of one-way valve I 20, the output terminal oral area of solenoid directional control valve VI 292 is set to be communicated with the input end oral area of filter cloth tensioner oil hydraulic pump, and the output terminal oral area of filter cloth tensioner oil hydraulic pump is placed through solenoid directional control valve VI 292 and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13 with laminated type throttle valve II 312.
In the present embodiment, the output terminal oral area of filter cloth tensioner oil hydraulic pump is provided with pressure monitoring device.
In the present embodiment, filter cloth auxiliary drive 106 is set to include laminated type throttle valve III 313 and solenoid directional control valve VII 293, the output terminal oral area of laminated type throttle valve III 313 is set to be communicated with the input end oral area of solenoid directional control valve VI 292 and the input end oral area of laminated type throttle valve III 313 is set to be communicated with the output terminal oral area of one-way valve III 18, the output terminal oral area of solenoid directional control valve VII 293 is set to be communicated with the input end oral area of filter cloth auxiliary drive oil hydraulic pump, the output terminal oral area of filter cloth auxiliary drive oil hydraulic pump is placed through solenoid directional control valve VII 293 and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13 with laminated type throttle valve III 313.
In the present embodiment, filter cloth auxiliary drive oil hydraulic pump is set to synchronous hydraulic pump.
Start constant flow paddle pump I 9 and Variable plunger pump 11, by solenoid directional control valve I 241, solenoid directional control valve II 242, the effect of solenoid directional control valve III 243 and solenoid directional control valve IV 244, control the motion that filter plate drives oil cylinder, after filter plate drives oil cylinder to complete motion, the unloading that filter plate drives oil cylinder is completed fast by Solenoid ball valve 25, by solenoid directional control valve V 291, control the motion of the main driving oil hydraulic pump of filter cloth, by solenoid directional control valve VI 292, control the motion of filter cloth tensioner oil hydraulic pump, by solenoid directional control valve VII 293, control the motion of filter cloth auxiliary drive oil hydraulic pump.
Laminated type throttle valve III 313 and solenoid directional control valve VII 293,
Laminated type throttle valve II 312, laminated type reduction valve II 302 and solenoid directional control valve VI 292,
Laminated type throttle valve I 311, laminated type reduction valve I 301 and solenoid directional control valve V 291
Cartridge valve I 211, cartridge valve II 212, cartridge valve III 213, cartridge valve IV 214, solenoid directional control valve I 241, solenoid directional control valve II 242, solenoid directional control valve III 243, solenoid directional control valve IV 244, relief valve I 26, relief valve II 37 and Solenoid ball valve 25,
Constant flow paddle pump II 33, pilot operated electromagnetic relief valve 13 and one-way valve III 18,
Constant flow paddle pump I 9, pilot operated electromagnetic relief valve 13, one-way valve I 20, one-way valve II 19 and Variable plunger pump 11.
The present invention has lower feature:
1, owing to devising hydraulic power source device I 101, hydraulic power source device II 102, filter plate drive circuit device 103, the main drive circuit device 104 of filter cloth, filter cloth tensioner loop apparatus 105 and filter cloth auxiliary drive 106, by two pump housings of hydraulic power source device I 101, ensure that hydraulic pressure source, by the fast discharging of the valve body with hydraulic power source device I 101 circuit communication, ensure that filter plate drives the returning quickly of oil cylinder, do not re-use the single pump housing and direct and hydraulic power source device I 101 circuit communication, because this reducing the power using the pump housing, prevent filter plate from driving the generation oscillation phenomenon of oil cylinder.
2, owing to devising filter cloth auxiliary drive 106, ensure that the tensioner degree of filter cloth is consistent, prevent filter cloth from occurring fold.
3, due to cartridge valve I 211, cartridge valve II 212, cartridge valve III 213, cartridge valve IV 214, solenoid directional control valve I 241, solenoid directional control valve II 242, solenoid directional control valve III 243, solenoid directional control valve IV 244, relief valve I 26, relief valve II 37 and Solenoid ball valve 25, under the effect of Solenoid ball valve 25, ensure that filter plate drives the stable movement of oil cylinder.
4, owing to devising technical characteristics of the present invention, in the effect of the set separately and each other of technical characteristics, by test show, property indices of the present invention be existing property indices be at least 1.7 times, by assessment there is good market value.
Also have other with the hydraulic power source device I 101 of stable working ensureing pressure filter, hydraulic power source device II 102, filter plate drive circuit device 103, the main drive circuit device 104 of filter cloth, the technical characteristics that filter cloth tensioner loop apparatus 105 and filter cloth auxiliary drive 106 connect is all one of embodiments of the invention, therefore in the hydraulic pressure installation technical field of pressure filter, everyly include the hydraulic power source device I 101 with two pump housings, the filter plate drive circuit device 103 be communicated with hydraulic power source device I 101, the main drive circuit device 104 of the filter cloth be communicated with hydraulic power source device I 101, the filter cloth tensioner loop apparatus 105 be communicated with hydraulic power source device I 101, there is the hydraulic power source device II 102 of a pump housing, the filter cloth auxiliary drive 106 be communicated with hydraulic power source device II 102, be provided with in filter plate drive circuit device 103 with the technology contents of the valve body of hydraulic power source device I 101 circuit communication all in protection scope of the present invention.
Claims (9)
1. the hydraulic pressure installation for pressure filter, it is characterized in that: include the hydraulic power source device I (101) with two pump housings, the filter plate drive circuit device (103) be communicated with hydraulic power source device I (101), the main drive circuit device (104) of the filter cloth be communicated with hydraulic power source device I (101), the filter cloth tensioner loop apparatus (105) be communicated with hydraulic power source device I (101), there is the hydraulic power source device II (102) of a pump housing, the filter cloth auxiliary drive (106) be communicated with hydraulic power source device II (102), the valve body with hydraulic power source device I (101) circuit communication is provided with in filter plate drive circuit device (103).
2. the hydraulic pressure installation for pressure filter according to claim 1; It is characterized in that: the main drive circuit device (104) of filter plate drive circuit device (103), filter cloth and filter cloth tensioner loop apparatus (105) are set to be communicated with hydraulic power source device I (101) respectively, filter cloth auxiliary drive (106) is set to be communicated with hydraulic power source device II (102).
3. the hydraulic pressure installation for pressure filter according to claim 2, it is characterized in that: hydraulic power source device I (101) is set to include constant flow paddle pump I (9), pilot operated electromagnetic relief valve (13), one-way valve I (20), one-way valve II (19) and Variable plunger pump (11), the input end oral area of constant flow paddle pump I (9) is placed through oil absorption filter and is communicated with fuel tank and the output port portion of constant flow paddle pump I (9) is set to the input end oral area with one-way valve I (20) respectively, the input end oral area of pilot operated electromagnetic relief valve (13) is communicated with, the input end oral area of Variable plunger pump (11) is set to be communicated with fuel tank and the output port portion of Variable plunger pump (11) is set to the input end oral area with one-way valve II (19) respectively, the input end oral area of pilot operated electromagnetic relief valve (13) is communicated with, the output terminal oral area of one-way valve I (20) is set to be communicated with the output terminal oral area of one-way valve II (19).
4. the hydraulic pressure installation for pressure filter according to claim 2; It is characterized in that: hydraulic power source device II (102) is set to include constant flow paddle pump II (33), pilot operated electromagnetic relief valve (13) and one-way valve III (18), the input end oral area of constant flow paddle pump II (33) is placed through oil absorption filter and is communicated with fuel tank and the output port portion of constant flow paddle pump II (33) is set to be communicated with the input end oral area of the input end oral area of one-way valve III (18), pilot operated electromagnetic relief valve (13) respectively.
5. the hydraulic pressure installation for pressure filter according to claim 2, it is characterized in that: filter plate drive circuit device (103) is set to include cartridge valve I (211), cartridge valve II (212), cartridge valve III (213), cartridge valve IV (214), solenoid directional control valve I (241), solenoid directional control valve II (242), solenoid directional control valve III (243), solenoid directional control valve IV (244), relief valve I (26), relief valve II (37) and Solenoid ball valve (25), solenoid directional control valve I (241) is set to be communicated with cartridge valve I (211), solenoid directional control valve II (242) is set to be communicated with cartridge valve II (212), solenoid directional control valve III (243) is set to be communicated with cartridge valve III (213), solenoid directional control valve IV (244) is set to be communicated with cartridge valve IV (214), cartridge valve I (211) is set to be communicated with cartridge valve II (212), cartridge valve III (213) is set to be communicated with cartridge valve IV (214), input end oral area and the input port portion of cartridge valve III (213) of cartridge valve II (212) are set to be communicated with the output terminal oral area of one-way valve I (20) respectively and the input end oral area of cartridge valve I (211) and the input port portion of cartridge valve IV (214) are set to be communicated with the output terminal oral area of pilot operated electromagnetic relief valve (13) respectively, the output port portion of solenoid directional control valve I (241) is set to drive oil cylinder with filter plate respectively, be communicated with the output terminal oral area of pilot operated electromagnetic relief valve 13 by relief valve I (26), the output port portion of solenoid directional control valve III (243) is set to drive oil cylinder with filter plate respectively, be communicated with by the output terminal oral area of relief valve II (37) with pilot operated electromagnetic relief valve (13), the output terminal oral area of solenoid directional control valve II (242) is placed through Solenoid ball valve (25) and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve (13), the output terminal oral area of solenoid directional control valve IV (244) is placed through relief valve II (37) and is communicated with the output terminal oral area of pilot operated electromagnetic relief valve (13).
6. the hydraulic pressure installation for pressure filter according to claim 2, it is characterized in that: the main drive circuit device (104) of filter cloth is set to include laminated type throttle valve I (311), laminated type reduction valve I (301) and solenoid directional control valve V (291), the output terminal oral area of laminated type throttle valve I (311) is placed through laminated type reduction valve I 301 and is communicated with the input end oral area of solenoid directional control valve V (291) and the input end oral area of laminated type throttle valve I (311) is set to be communicated with the output terminal oral area of one-way valve I (20), the input end oral area that the output terminal oral area of solenoid directional control valve V (291) is set to driving oil hydraulic pump main with filter cloth is communicated with, the output terminal oral area of the main driving oil hydraulic pump of filter cloth is placed through solenoid directional control valve V (291) and is communicated with the output terminal oral area of laminated type throttle valve I (311) with pilot operated electromagnetic relief valve (13).
7. the hydraulic pressure installation for pressure filter according to claim 2, it is characterized in that: filter cloth tensioner loop apparatus (105) is set to include laminated type throttle valve II (312), laminated type reduction valve II (302) and solenoid directional control valve VI (292), the output terminal oral area of laminated type throttle valve II 312 is placed through laminated type reduction valve II (302) and is communicated with the input end oral area of solenoid directional control valve VI (292) and the input end oral area of laminated type throttle valve II (312) is set to be communicated with the output terminal oral area of one-way valve I (20), the output terminal oral area of solenoid directional control valve VI (292) is set to be communicated with the input end oral area of filter cloth tensioner oil hydraulic pump, the output terminal oral area of filter cloth tensioner oil hydraulic pump is placed through solenoid directional control valve VI (292) and is communicated with the output terminal oral area of laminated type throttle valve II (312) with pilot operated electromagnetic relief valve (13).
8. the hydraulic pressure installation for pressure filter according to claim 2, it is characterized in that: filter cloth auxiliary drive (106) is set to include laminated type throttle valve III 313 and solenoid directional control valve VII (293), the output terminal oral area of laminated type throttle valve III (313) is set to be communicated with the input end oral area of solenoid directional control valve VI (292) and the input end oral area of laminated type throttle valve III (313) is set to be communicated with the output terminal oral area of one-way valve III (18), the output terminal oral area of solenoid directional control valve VII (293) is set to be communicated with the input end oral area of filter cloth auxiliary drive oil hydraulic pump, the output terminal oral area of filter cloth auxiliary drive oil hydraulic pump is placed through solenoid directional control valve VII (293) and is communicated with the output terminal oral area of laminated type throttle valve III (313) with pilot operated electromagnetic relief valve (13).
9. the hydraulic pressure installation for pressure filter according to claim 8; It is characterized in that: filter cloth auxiliary drive oil hydraulic pump is set to synchronous hydraulic pump.
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| CN201410582647.XA CN104481945B (en) | 2014-10-28 | 2014-10-28 | Hydraulic means for filter press |
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| CN201410582647.XA CN104481945B (en) | 2014-10-28 | 2014-10-28 | Hydraulic means for filter press |
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| CN104481945B CN104481945B (en) | 2017-08-04 |
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Citations (7)
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|---|---|---|---|---|
| JPS6325104U (en) * | 1986-07-31 | 1988-02-19 | ||
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| CN102380239A (en) * | 2011-10-13 | 2012-03-21 | 核工业烟台同兴实业有限公司 | Vertical type filter press hydraulic system |
| CN202526960U (en) * | 2012-04-23 | 2012-11-14 | 河北麦森钛白粉有限公司 | Plate and frame filter press hydraulic system for use in titanium pigment production process |
| CN202751853U (en) * | 2012-06-28 | 2013-02-27 | 河北麦森钛白粉有限公司 | Improved type U-shaped pressure filter control system |
| JP2013233480A (en) * | 2012-05-07 | 2013-11-21 | Kubota Corp | Filter press dehydrator |
| CN204267400U (en) * | 2014-10-28 | 2015-04-15 | 山东泰安煤矿机械有限公司 | For the hydraulic pressure installation of pressure filter |
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2014
- 2014-10-28 CN CN201410582647.XA patent/CN104481945B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6325104U (en) * | 1986-07-31 | 1988-02-19 | ||
| CN101091846A (en) * | 2007-05-22 | 2007-12-26 | 西安航天华威化工生物工程有限公司 | Vertical type full automatic plate-and-frame filter press, and filter technique |
| CN102380239A (en) * | 2011-10-13 | 2012-03-21 | 核工业烟台同兴实业有限公司 | Vertical type filter press hydraulic system |
| CN202526960U (en) * | 2012-04-23 | 2012-11-14 | 河北麦森钛白粉有限公司 | Plate and frame filter press hydraulic system for use in titanium pigment production process |
| JP2013233480A (en) * | 2012-05-07 | 2013-11-21 | Kubota Corp | Filter press dehydrator |
| CN202751853U (en) * | 2012-06-28 | 2013-02-27 | 河北麦森钛白粉有限公司 | Improved type U-shaped pressure filter control system |
| CN204267400U (en) * | 2014-10-28 | 2015-04-15 | 山东泰安煤矿机械有限公司 | For the hydraulic pressure installation of pressure filter |
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| CN104481945B (en) | 2017-08-04 |
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