CN202526960U - Plate and frame filter press hydraulic system for use in titanium pigment production process - Google Patents

Plate and frame filter press hydraulic system for use in titanium pigment production process Download PDF

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Publication number
CN202526960U
CN202526960U CN2012201736663U CN201220173666U CN202526960U CN 202526960 U CN202526960 U CN 202526960U CN 2012201736663 U CN2012201736663 U CN 2012201736663U CN 201220173666 U CN201220173666 U CN 201220173666U CN 202526960 U CN202526960 U CN 202526960U
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CN
China
Prior art keywords
hydraulic
pressure
oil
filter press
plate
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2012201736663U
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Chinese (zh)
Inventor
张千
张建平
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEBEI MILSON TITANIUM DIOXIDE CO Ltd
Original Assignee
HEBEI MILSON TITANIUM DIOXIDE CO Ltd
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Priority to CN2012201736663U priority Critical patent/CN202526960U/en
Application granted granted Critical
Publication of CN202526960U publication Critical patent/CN202526960U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a plate and frame filter press hydraulic system for use in a titanium pigment production process, which relates to the technical field of equipment special for producing titanium pigment. The plate and frame filter press hydraulic system comprises an energy part, a hydraulic control part and a performing part, wherein the energy part comprises a driving motor and a hydraulic pump; the hydraulic control part comprises a pressure regulating loop and a first pressure relay; and the performing part comprises at least ten sets of performing mechanisms which are arranged in parallel. The plate and frame filter press hydraulic system has the advantages: the hydraulic pump of the filter press hydraulic system is a plunger pump, so that the average failure-free working limit can be up to 1,000-5,000 hours, and the failure rate lambda is equal to 0.01; during working of the system, the output pressure of a working cylinder is optionally adjustable between 0MPa and 2MPa; and a large oil tank is adopted for the hydraulic pump, so that a good cooling effect is achieved, and an oil cooler is not required to be arranged additionally. In an entire pipeline system, a safety valve is adopted for performing oil pressure overload protection, the outlet pressure of an oil pressure pump is generally increased by 2MPa, and hydraulic oil returns to an oil tank.

Description

The Hydraulic System of Plate and Frame Filter Press of using in the production process of titanium pigment
Technical field
The utility model relates to titanium white production special equipment technical field.
Background technology
In the process of producing titanium dioxide, the filter plant of employing is a plate and frame filter press.Have 13 platen frame filter presses in the whole operation, it has characteristics such as simple in structure, easy to maintenance, that use is reliable.Plate and frame filter press is made up of frame, hold down gag, filter plate and filter frame etc.Filter plate and filter frame are arranged alternately on the frame, and the two sides of every filter plate is with filter cloth, form with the filter cloth be wall can be toward the filter chamber that wherein is pressed into suspension.Every frame is adorned 13 China fir filter plates, 12 filter frames.The condition of work of filter press is: about 8h every day (Fourth Shift's system, per tour press filtration 6 times, each 20 min), and its main effect is the metatitanic acid stoste output with the workshop, through filter press pressurize and filtration, elimination particle and residue.See from the condition of production of existing equipment; The drive system of plate and frame filter press is a hydraulic system, and the filter press control technology is manual operation, owing to have thread pitch in the mechanical pressurize; Hydraulic system pressurize effect is relatively poor; Leak from sheet frame and filter cloth gap location so stock media occurs through regular meeting, raw material has corrosivity, to environment, the operator is healthy and production equipment has caused serious harmful effect.
The utility model content
The utility model technical problem to be solved provides the Hydraulic System of Plate and Frame Filter Press of using in a kind of production process of titanium pigment; Can effectively improve the pressurize effect in the plate and frame filter press pressure-filtering process; Prevent that stock media is from sheet frame and the leakage of filter cloth gap location; Prevent stock media to the pollution of environment and the harm healthy, prolong service life of equipment the operator.
For solving the problems of the technologies described above, the technical scheme that the utility model is taked is: the Hydraulic System of Plate and Frame Filter Press of using in a kind of production process of titanium pigment comprises energy part, hydraulic control part and operating part; Said Ministry of Energy divides and comprises drive motors and hydraulic pump; Said hydraulic control partly comprises the pressure-control circuit and first pressure switch; Said operating part comprises the executing agency that at least ten covers are set up in parallel, and said executing agency comprises a cover 3-position 4-way solenoid directional control valve, a cover double hydraulic control check valve, second pressure switch and hydraulic cylinder; Two oil inlet and outlets of said hydraulic cylinder advance oil outlet end with two on said double hydraulic control check valve respectively and are communicated with; Said double hydraulic control check valve is communicated with the 3-position 4-way solenoid directional control valve; 3-position 4-way solenoid directional control valve oil-in is communicated with the pressure-control circuit oil-out, and 3-position 4-way solenoid directional control valve oil-in and oil-out in the said at least ten cover executing agencies that are set up in parallel each other are communicated with respectively side by side.
Said pressure-control circuit comprises the safety valve and the pressure regulator valve of mutual series connection, and said hydraulic pump outlet is communicated with said pressure-control circuit by means of pipeline; The said pressure-control circuit port of export is provided with first pressure switch.
After being communicated with side by side, 3-position 4-way solenoid directional control valve oil-out in the said at least ten cover executing agencies that are set up in parallel each other is communicated with fuel tank through filter.
Supporting sky filter, liquid level gauge and the thermometer of being provided with of said fuel tank.
Said hydraulic pump is a plunger displacement pump.
Adopt the beneficial effect that technique scheme produced to be: the hydraulic pump of Hydraulic System of Extract Coal Filter Press is used plunger displacement pump; Average no-failure operation limit can reach 1000~5000h, and crash rate λ=0.01 is during working state of system; Working cylinder output pressure 0~20 MPa is adjustable arbitrarily; Hydraulic pump adopts large tank, and good cooling results need not set up oily temperature cooler; In whole pipe-line system, adopt safety valve to carry out the oil pressure overload protection; Be generally the oil pressure pump outlet pressure and add 2Mpa, setting automatic pressurize is 18Mpa, and then safety valve is in 20 MPa take-offs, and hydraulic oil flow back into fuel tank through return wire.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further detailed explanation.
Fig. 1 is the utility model system architecture sketch map;
In the accompanying drawings: 1, fuel tank; 2, thermometer; 3, liquid level gauge; 4, empty filter; 5, hydraulic pump; 6, filter; 7, safety valve; 8, first pressure switch; 9, solenoid directional control valve; 10, double hydraulic control check valve; 11, second pressure switch; 12, hydraulic cylinder; 13, pressure regulator valve.
The specific embodiment
The Hydraulic System of Plate and Frame Filter Press of using in a kind of production process of titanium pigment as shown in Figure 1 comprises energy part, hydraulic control part and operating part; Said Ministry of Energy divides and comprises drive motors and hydraulic pump 5; Said hydraulic control partly comprises the pressure-control circuit and first pressure switch 8; Said operating part comprises the executing agency that at least ten covers are set up in parallel, and said executing agency comprises that a cover 3-position 4-way solenoid directional control valve 9, overlaps double hydraulic control check valve 10, second pressure switch 11 and hydraulic cylinder 12; Two oil inlet and outlets of said hydraulic cylinder 12 advance oil outlet end with 10 two on said double hydraulic control check valve respectively and are communicated with; Said double hydraulic control check valve 10 is communicated with 3-position 4-way solenoid directional control valve 9; 3-position 4-way solenoid directional control valve 9 oil-ins are communicated with the pressure-control circuit oil-out, and 3-position 4-way solenoid directional control valve 9 oil-ins and oil-out in the said at least ten cover executing agencies that are set up in parallel each other are communicated with side by side.
Said pressure-control circuit comprises the safety valve 7 and pressure regulator valve 13 of mutual series connection, and said hydraulic pump 5 outlets are communicated with said pressure-control circuit by means of pipeline; The said pressure-control circuit port of export is provided with first pressure switch 8.
After being communicated with side by side, 3-position 4-way solenoid directional control valve 9 oil-outs in the said at least ten cover executing agencies that are set up in parallel each other are communicated with fuel tank 1 through filter 6.
Said fuel tank 1 supporting sky filter 4, liquid level gauge 3 and the thermometer 2 of being provided with.
Said hydraulic pump 5 is a plunger displacement pump.
In concrete application process, original Hydraulic Station and hydraulic control three-position four-way valve and pipeline are all changed.Adopt pressure switch to detect the pressure of filter press hydraulic tank; Start and stop through PLC control hydraulic pump; Adopt double hydraulic control check valve (hydraulic lock); Pressure is remained in the scope of setting, and locking, pressurization, the automatic high pressure of controlling plate and frame filter press through operating case stops, pressurize and pressure release.Realize manual operation through switching, can manually control compressing, unclamp and locking of hold-down cylinder according to the origin operation method.Locking each other can only be carried out a kind of operation between each key.Improved hydraulic system locking pressure holding function is powerful, and the frequent repairing of the system that need not is energy-conservation than original system.Utilization hydraulic technique and electrical technology (PLC) realization combining industrial automation.
Realized manually and the switching of operation automatically having good reliability at plate and frame filter press after coming into operation.Output pressure can reach any setting value below 20 MPa, has satisfied the production needs.The filter leakage situation makes moderate progress.
After project was accomplished, 13 platen frame filter presses were changed the filter cloth time and can be extended to 1 000 hours by 800 hours, change filter cloth the whole year less 10 times, 3000 yuan of every filter clothes, and filter residue burns and takes 3000 yuan.(3000+3000) * ten thousand yuan of 10=6.
Reduce because plate and frame filter press leaks, the annual minimizing changed 5 times.Reduce the stopping production number of times thus 5 times, the time is 10 hours, creates 15 tons of output more.Simultaneously,, reduce the leakage of stoste, reduce medium, produced the good social benefit to the pollution of environment with to corrosion on Equipment through the hydraulic system transformation.

Claims (5)

1. the Hydraulic System of Plate and Frame Filter Press of using in the production process of titanium pigment is characterized in that: comprise energy part, hydraulic control part and operating part; Said Ministry of Energy divides and comprises drive motors and hydraulic pump (5); Said hydraulic control partly comprises pressure-control circuit and first pressure switch (8); Said operating part comprises the executing agency that at least ten covers are set up in parallel, and said executing agency comprises a cover 3-position 4-way solenoid directional control valve (9), cover double hydraulic control check valve (10), second pressure switch (11) and a hydraulic cylinder (12); Two oil inlet and outlets of said hydraulic cylinder (12) advance oil outlet end with (10) two on said double hydraulic control check valve respectively and are communicated with; Said double hydraulic control check valve (10) is communicated with 3-position 4-way solenoid directional control valve (9); 3-position 4-way solenoid directional control valve (9) oil-in is communicated with the pressure-control circuit oil-out, and 3-position 4-way solenoid directional control valve (9) oil-in and oil-out in the said at least ten cover executing agencies that are set up in parallel each other are communicated with respectively side by side.
2. the Hydraulic System of Plate and Frame Filter Press of using in the production process of titanium pigment according to claim 1; It is characterized in that: said pressure-control circuit comprises the safety valve (7) and the pressure regulator valve (13) of mutual series connection, and said hydraulic pump (5) outlet is communicated with said pressure-control circuit by means of pipeline; The said pressure-control circuit port of export is provided with first pressure switch (8).
3. the Hydraulic System of Plate and Frame Filter Press of using in the production process of titanium pigment according to claim 2 is characterized in that: be communicated with fuel tank (1) through filter (6) after 3-position 4-way solenoid directional control valve (9) oil-out in the said at least ten cover executing agencies that are set up in parallel each other is communicated with side by side.
4. the Hydraulic System of Plate and Frame Filter Press of using in the production process of titanium pigment according to claim 3 is characterized in that: supporting sky filter (4), liquid level gauge (3) and the thermometer (2) of being provided with of said fuel tank (1).
5. the Hydraulic System of Plate and Frame Filter Press of using in the production process of titanium pigment according to claim 4 is characterized in that: said hydraulic pump (5) is a plunger displacement pump.
CN2012201736663U 2012-04-23 2012-04-23 Plate and frame filter press hydraulic system for use in titanium pigment production process Expired - Fee Related CN202526960U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201736663U CN202526960U (en) 2012-04-23 2012-04-23 Plate and frame filter press hydraulic system for use in titanium pigment production process

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201736663U CN202526960U (en) 2012-04-23 2012-04-23 Plate and frame filter press hydraulic system for use in titanium pigment production process

Publications (1)

Publication Number Publication Date
CN202526960U true CN202526960U (en) 2012-11-14

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201736663U Expired - Fee Related CN202526960U (en) 2012-04-23 2012-04-23 Plate and frame filter press hydraulic system for use in titanium pigment production process

Country Status (1)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104481945A (en) * 2014-10-28 2015-04-01 山东泰安煤矿机械有限公司 Hydraulic device for filter press
CN104564884A (en) * 2015-01-06 2015-04-29 景津环保股份有限公司 Hydraulic system for filter press

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104481945A (en) * 2014-10-28 2015-04-01 山东泰安煤矿机械有限公司 Hydraulic device for filter press
CN104564884A (en) * 2015-01-06 2015-04-29 景津环保股份有限公司 Hydraulic system for filter press

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121114

Termination date: 20150423

EXPY Termination of patent right or utility model