CN107050949A - Filter press filter cake quick wash device and method - Google Patents
Filter press filter cake quick wash device and method Download PDFInfo
- Publication number
- CN107050949A CN107050949A CN201710415746.2A CN201710415746A CN107050949A CN 107050949 A CN107050949 A CN 107050949A CN 201710415746 A CN201710415746 A CN 201710415746A CN 107050949 A CN107050949 A CN 107050949A
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- China
- Prior art keywords
- washing
- filter cake
- filter
- valve
- pressure
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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
- B01D25/28—Leaching or washing filter cakes in the filter handling the filter cake for purposes other than regenerating
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
Filter press filter cake quick wash device and method, the material inlet valve automatically controlled is installed in the central feed conduit of pressure filter thrust plate, described central feed conduit welding inlet channel, the inlet valve automatically controlled is set to be arranged on inlet channel, in thrust plate corner, outlet conduit is respectively provided with the flowing water Valve automatically controlled, 23 times of pressure penetration Washing of Filter Cake that washings high-pressure is this filter press feed pump pressure are set, it is the 30 50 ﹪ waters washing filter cake that this filter press feeds pump discharge to set washings flow of inlet water, electrical control sets each control valve of PLC program connection to be automatically brought into operation and completes Washing of Filter Cake, washings enter diagonal discharge in the middle of filter chamber makes the Washing of Filter Cake speed fast time short, it is good that washings enter the sufficient Washing of Filter Cake degree of purity of pressure big flow in centre, use the device water and electric saving, shorten wash time, the good high purity of filter cake quality, reduce cost, improve filter efficiency.
Description
Technical field
The invention belongs to filter plant filter press field, furthermore, it is related to a kind of filter press filter cake quick wash
Device and method.
Background technology
Filter press is that filter cake stays in filter chamber after the main filtration equipment of separation of solid and liquid industry, material filtering, and filtrate is by discharge opeing
Hole is discharged, and realizes the purpose of separation of solid and liquid, some industries are in order to improve the degree of purity of filter cake or increase the rate of recovery of filtrate, also
Filter cake is washed to realize product degree of purity, the degree of purity of Washing of Filter Cake is directly connected to filtering product quality, thus
Washing of Filter Cake is the important component for realizing economic benefit after material filtering.
In the prior art, Washing of Filter Cake is generally all to enter penetration by water filter cloth to wash filter cake with filter chamber corner, is exactly filtered
The upper corner water inlet of room is to a diagonal lower corner water outlet, because water inlet filter plate corner aperture is small and washings will be penetrated
Resistance produced by filter cloth, thus the water inlet of filter chamber corner directly reduces flow of inlet water and intake pressure in Washing of Filter Cake, causes
Washing of Filter Cake speed is slow, while the filter cake effect of washing can not meet quality requirement sometimes, does not reach pure required by filter cake
Degree, filter chamber corner water inlet Washing of Filter Cake enters that water resistance big time long efficiency is low, and water wasting is power-consuming, and production cost is big, so as to influence to pass through
Ji benefit.
The content of the invention
The invention aims to solve weak point present in above-mentioned background technology, and provide a kind of filter press filter cake
Quick wash device and method.
To achieve these goals, the present invention provides a kind of filter press filter cake quick wash device and method, in filter press
The material inlet valve that thrust plate intermediate feed Pipe installing is automatically controlled, in intermediate feed pipeline welding inlet channel, sets automatic
The inlet valve of control is arranged on inlet channel, and in thrust plate corner, outlet conduit is respectively provided with the flowing water Valve automatically controlled, if
Washings intake pressure is put more than this filter press feed pump pressure to Washing of Filter Cake, sets washings flow of inlet water to be less than this press filtration
Machine feeds pump discharge to Washing of Filter Cake, and electrical control sets PLC program to connect each control valve and is automatically brought into operation
Complete Washing of Filter Cake.
Washing of Filter Cake method is as follows：
Material inlet valve, the first step, when timing washing is set are closed before PLC procedure operation control valve, washing
Between, inlet valve is opened, left valve and bottom right valve in the upper right and diagonal water outlet timing wash time of bottom left, closing are set, opened
Open upper right valve and bottom left valve, second step, when the left diagonal water outlet timing washing with bottom right in timing wash time, setting is set
Between, left valve and bottom right valve in upper right valve and bottom left valve, unlatching are closed, timing wash time, timing wash time is arrived
The diagonal water outlet of automatic conversion, circulates automatic conversion and diagonally goes out water washing, program sets conversion times to reach that quick filter cake is washed successively
The degree of purity washed.
Described setting washings intake pressure exceedes this filter press feed pump pressure to Washing of Filter Cake, sets washings to enter
Water pressure is 2-3 times of pressure of this filter press feed pump feed pressure to Washing of Filter Cake.
Described setting washings flow of inlet water feeds pump discharge to Washing of Filter Cake less than this filter press, sets washings to enter
Water-carrying capacity is that this filter press feeds the 30-50 ﹪ waters of pump discharge to Washing of Filter Cake.
Water inlet Washing of Filter Cake can be rapidly achieved the effect of degree of purity in the middle of the implementation filter press filter board of the present invention, in thrust
Plate intermediate feed pipeline welding inlet channel washings, which are directly entered filter chamber washing filter cake, does not have resistance, sets washings influent pressure
Power for 2-3 times of this filter press feed pump high pressure can quick penetration Washing of Filter Cake, because the material variety of Filter Press is more
The filter cake density in high pressure washing, filter chamber is selected to depend on the pressure initiation of feed pump, using feed pump pressure as according to selection
Washing water pressure meets washing principle, sets washing water-carrying capacity to be washed for this filter press feed pump feed rate 30-50 ﹪ waters
Filter cake water flow is sufficient, because the more filter area of filter press model differs greatly, to feed pump discharge as according to selection water
Amount both ensures that washing filter cake meets water and will not also waste water source, and washings are intake two diagonal water outlet clean results in the middle of filter chamber
Good, Washing of Filter Cake speed fast time short quality is good, and washings are directly entered in the middle of filter chamber to be penetrated Washing of Filter Cake and can quickly reach
To degree of purity, selection is adapted to various using feed pump pressure and flow as according to the various models of filter press and filter area is contained
Material Washing of Filter Cake, electrical control sets the operation of PLC procedure auto-control to complete, and uses the device and method
The fast time short efficiency high of Washing of Filter Cake water inlet, water and electric saving reduces cost, increased economic efficiency.
Brief description of the drawings
The present invention is further described for accompanying drawings below and embodiment.
Fig. 1 is a kind of filter press filter cake quick wash device and method schematic diagram of the invention.
1. inlet valves in figure, 2. material inlet valves, 3. bottom left valves, 4. upper right valves, left valve, 6. bottom right valves on 5.
Door, 7. thrust plates.
Embodiment
Refer to shown in Fig. 1, the present invention provides a kind of filter press filter cake quick wash device and method, in pressure filter thrust
The material inlet valve 2 that the intermediate feed Pipe installing of plate 7 is automatically controlled, in intermediate feed pipeline welding inlet channel, sets automatic
The inlet valve 1 of control is arranged on inlet channel, and the flowing water Valve automatically controlled is respectively provided with 7 four jiaos of outlet conduits of thrust plate,
Set washings intake pressures for this filter press feed pump feed pressure 3-4 times of pressure can quick penetration Washing of Filter Cake, if
It is that filter cake density in filter chamber depends on the pressure of feed pump because the material of Filter Press is complex to put washing water pressure
Formed, meet washing principle using feed pump pressure as according to selection washing water pressure, thus selection exceeds 2-3 times of feed pump pressure
It is more suitable that intake pressure penetrates filter cake accommodation, and it is this filter press charging pump discharge 30- to set washings flow of inlet water
50 ﹪ waters wash filter cake, and setting washing water-carrying capacity accommodation is differed greatly because of the more filter area of filter press model,
The water for selecting water both to ensure that washing filter cake is met as foundation to feed pump discharge will not also waste water source, and save water
Source, sets above-mentioned accommodation to reach the optimum efficiency of Washing of Filter Cake degree of purity, selection using feed pump pressure and flow as
According to the various models of filter press and filter area is contained, the various materials of filtering are adapted to Washing of Filter Cake, electrical control is set
PLC program is automatically brought into operation control valve and is rapidly completed Washing of Filter Cake.
Washing methods is as follows：
PLC procedure operation is completed, and material inlet valve 2 is first shut off before washing, sets timing wash time, is opened
Left valve 5 and bottom right valve 6 in inlet valve 1, closing, open upper right valve 4 and bottom left valve 3, timing washing；Timing is to certainly
The left and diagonal water outlet timing wash time of bottom right in the dynamic diagonal water outlet of conversion, setting, closes upper right valve 4 and bottom left valve 3, opens
Left valve 5 and bottom right valve 6 are opened, timing washing, timing to the diagonal water outlet of automatic conversion circulates automatic conversion and diagonally gone out successively
Water Washing of Filter Cake, PLC, which programs, sets automatic conversion number of times to reach the degree of purity of quick Washing of Filter Cake.
Claims (3)
1. filter press filter cake quick wash device and method, it is characterised in that：In pressure filter thrust plate intermediate feed Pipe installing
The material inlet valve automatically controlled, in intermediate feed pipeline welding inlet channel, set the inlet valve automatically controlled be arranged on into
Waterpipe, in thrust plate corner, outlet conduit is respectively provided with the flowing water Valve automatically controlled, sets washings intake pressure to exceed this
The pressure of filter press feed pump sets washings flow of inlet water to be washed less than this filter press charging pump discharge to filter cake Washing of Filter Cake
Wash, electrical control sets each control valve of PLC program connection to be automatically brought into operation and completes Washing of Filter Cake, Washing of Filter Cake
Method is as follows：Material inlet valve is closed before PLC procedure operation control valve, washing, the first step sets timing
Wash time, opens inlet valve, sets left valve and bottom right valve in the upper right and diagonal water outlet timing wash time of bottom left, closing
Door, opens upper right valve and bottom left valve, and second step sets the left and diagonal water outlet timing of bottom right in timing wash time, setting
Wash time, closes left valve and bottom right valve in upper right valve and bottom left valve, unlatching, timing wash time, timing washing
Time, to the diagonal water outlet of automatic conversion, circulates automatic conversion and diagonally goes out water washing, program sets conversion times to reach quickly successively
The degree of purity of Washing of Filter Cake.
2. filter press filter cake quick wash device and method as claimed in claim 1, it is characterised in that：Described setting washing
Water intake pressure exceedes the pressure of the machine feed pump to Washing of Filter Cake, and it is that this filter press feed pump enters to set washings intake pressure
Expect 2-3 times of pressure of pressure to Washing of Filter Cake.
3. filter press filter cake quick wash device and method as claimed in claim 1, it is characterised in that：Described setting washing
Water flow of inlet water feeds pump discharge to Washing of Filter Cake less than this filter press, and it is this filter press feed pump to set washings flow of inlet water
The 30-50 ﹪ waters of flow are to Washing of Filter Cake.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710415746.2A CN107050949A (en) | 2017-06-06 | 2017-06-06 | Filter press filter cake quick wash device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710415746.2A CN107050949A (en) | 2017-06-06 | 2017-06-06 | Filter press filter cake quick wash device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107050949A true CN107050949A (en) | 2017-08-18 |
Family
ID=59616306
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710415746.2A Pending CN107050949A (en) | 2017-06-06 | 2017-06-06 | Filter press filter cake quick wash device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107050949A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261812A (en) * | 2018-01-31 | 2018-07-10 | 荆门市格林美新材料有限公司 | A kind of filter cake cleans filter press automatically |
| CN109647021A (en) * | 2019-02-25 | 2019-04-19 | 浙江杰为凯环保科技有限公司 | By the working method of the phosphating solution slagging-off filter press of PLC control |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009142793A (en) * | 2007-12-18 | 2009-07-02 | Kurita Water Ind Ltd | Apparatus for washing and dehydrating ash |
| CN203355406U (en) * | 2013-06-28 | 2013-12-25 | 中塑胜（北京）机电设备有限公司 | Outer feeding filter plate |
| CN204073549U (en) * | 2014-07-25 | 2015-01-07 | 萧县凯奇化工科技有限公司 | A kind of water pressure filter |
| CN206934833U (en) * | 2017-06-06 | 2018-01-30 | 景津环保股份有限公司 | Filter press filter cake quick wash device |
-
2017
- 2017-06-06 CN CN201710415746.2A patent/CN107050949A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009142793A (en) * | 2007-12-18 | 2009-07-02 | Kurita Water Ind Ltd | Apparatus for washing and dehydrating ash |
| CN203355406U (en) * | 2013-06-28 | 2013-12-25 | 中塑胜（北京）机电设备有限公司 | Outer feeding filter plate |
| CN204073549U (en) * | 2014-07-25 | 2015-01-07 | 萧县凯奇化工科技有限公司 | A kind of water pressure filter |
| CN206934833U (en) * | 2017-06-06 | 2018-01-30 | 景津环保股份有限公司 | Filter press filter cake quick wash device |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108261812A (en) * | 2018-01-31 | 2018-07-10 | 荆门市格林美新材料有限公司 | A kind of filter cake cleans filter press automatically |
| CN109647021A (en) * | 2019-02-25 | 2019-04-19 | 浙江杰为凯环保科技有限公司 | By the working method of the phosphating solution slagging-off filter press of PLC control |
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| SE01 | Entry into force of request for substantive examination | ||
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| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170818 |
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| WD01 | Invention patent application deemed withdrawn after publication |