CN105999818B - A kind of discharge control apparatus and method of disk filter - Google Patents
A kind of discharge control apparatus and method of disk filter Download PDFInfo
- Publication number
- CN105999818B CN105999818B CN201610523986.XA CN201610523986A CN105999818B CN 105999818 B CN105999818 B CN 105999818B CN 201610523986 A CN201610523986 A CN 201610523986A CN 105999818 B CN105999818 B CN 105999818B
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- Prior art keywords
- signal
- disk filter
- fanning strip
- point
- valve
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/15—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces
- B01D33/17—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables
- B01D33/19—Filters with filtering elements which move during the filtering operation with rotary plane filtering surfaces with rotary filtering tables the table surface being divided in successively tilted sectors or cells, e.g. for discharging the filter cake
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/44—Regenerating the filter material in the filter
- B01D33/48—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/70—Filters with filtering elements which move during the filtering operation having feed or discharge devices
- B01D33/76—Filters with filtering elements which move during the filtering operation having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D33/00—Filters with filtering elements which move during the filtering operation
- B01D33/80—Accessories
- B01D33/804—Accessories integrally combined with devices for controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D37/00—Processes of filtration
- B01D37/04—Controlling the filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2201/00—Details relating to filtering apparatus
- B01D2201/08—Regeneration of the filter
- B01D2201/087—Regeneration of the filter using gas bubbles, e.g. air
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention relates to filter discharging control technology fields, disclose the discharge control apparatus and method of a kind of disk filter, and the device that this method uses includes：Signal projector, signal receiver, control processor, executing agency, blower system, vacuum system, the control processor signal transmitting terminal is connected with signal projector uniformly distributed on every piece of fanning strip of disk filter main shaft circumference, control processor signal receiving end signal receiver corresponding with fanning strip on disk filter main shaft circumference is connected, and control processor output end is connected with blower system, vacuum system respectively by executing agency.The present invention can allow filter when working all in the filtration stage of matcoveredn; blowing unloading can be started in due course; reduce the influence to filtrate quality; production capacity caused by filter cake is fine and close when overcoming scraper discharging declines problem; reduce the abrasion to filter cloth; operation energy consumption is reduced, service life is extended.And it being capable of automatic running, non-maintaining, stable.
Description
Technical field
The present invention relates to disk filter discharging control technology fields, more particularly, to a kind of discharging control of disk filter
Device and method processed.
Background technique
Vacuum disc type filter is applied in the filtering of aluminium hydroxide seed, the processing of coal industry flotation concentrate, tailing red mud
And the various industries such as power plant's gypsum slurries dehydration.
Traditional disk filter discharge way is continuous blowing unloading and scraper discharging.Continuous blowing unloading is being transported
It is bigger to the damage of filter cloth when row, reduce the service life of filter cloth；It is all completely new for inhaling every time appended when turning round simultaneously
Filter cake, though production capacity is big, filtrate solid content height is more muddy.Continuous scraper discharging at runtime, is adsorbed on filter plate for a long time
The filter cake on surface will form one layer of protective layer to filter cloth, which can both reduce abrasion of the scraper to filter cloth, while
The filtration to slurries can be played, so that filtrate solid content is low limpider.But protective layer is with runing time
Lengthening can become increasingly finer and close, and gas permeability is deteriorated, and production capacity can also decay therewith, influence on treating capacity very big.
Summary of the invention
In order to overcome the shortcomings in the background art, the in summary advantage of two kinds of discharge way, the invention proposes one kind
The discharge control apparatus and method of disk filter can automatically realize blowing and the automatic switchover of scraper by process control
Method realizes interval blowing operation during scraper discharging.
To achieve the goals above, the technical scheme is that：
A kind of discharge control apparatus of disk filter, including：Signal projector 2, signal receiver 8, control processor,
Executing agency, blower system, vacuum system, the control processor signal transmitting terminal are every with 1 circumference of disk filter main shaft
Uniformly distributed signal projector 2 is connected on block fanning strip, fans on control processor signal receiving end and 1 circumference of disk filter main shaft
The corresponding signal receiver 8 of shape plate be connected, control processor output end by executing agency respectively with blower system, vacuum system
It is connected.
A kind of discharge control apparatus of disk filter, the blower system are empty by pipeline and compression by blowing valve 4
Gas system 5 is connected to form.
A kind of discharge control apparatus of disk filter, the vacuum system pass through pipeline and vacuum system by vacuum valve 7
System 6 is connected to form.
A kind of unloading control method of disk filter, uses disc device for the disk filter of n block fanning strip；In disk
It is evenly equipped with signal on every piece of fanning strip corresponding position of 1 circumference of formula filter main shaft and issues point 2；
It is directed to the numerical value of the n block fanning strip on every disk filter plate device, the interval numerical value of interval m block is chosen, guarantees transporting
It all can once be dried on every piece of fanning strip when row；
Wherein, the relationship of interval m and n block fanning strip is：1≤m≤n, m+1 need to be prime number, while cannot be the approximate number of n,
Blowing valve 4 is normal closed gate；
When issuing the signal that treating capacity tails off, at this moment discharging control starting to controller in system, controller first is instructed
Vacuum valve 7 is closed, and then signal receiving point 8 starts to acquire the signal that signal issues 2 sending of point, and first signal issues point 2
When close with signal receiving point 8, the signal to controller generate instruction, control blowing valve 4 open, signal issue point 2 with
It is rotated away from signal receiving point 8, blowing valve 4 is closed；
Each unlatching of blowing valve is all by Zone switched 3 access compressed air system 5, to the sector of the regional location
Discharging is blowed in plate；
When second signal issues point 2 and close signal receiving point 8, which does not generate control instruction, only makees to count
With；
It is spaced the blowing mode discharging of m=natural number setting value block, i.e., issues point 2 before+1 signal of setting value and is connect with signal
When sink 8 is close, the signal of sending is all count action, issues point 2 and signal receiving point 8 when collecting+2 signals of setting value
When close, again controller generate instruction, control blowing valve 4 open, signal issue point 2 be rotated away from signal receive
Point 8, blowing valve 4 are closed；
The core of the unloading control method is to have one piece to blow+1 piece of each setting value of fanning strip on every disk filter plate device
Wind, the process constantly recycle, until every piece of fanning strip is all once dried.
A kind of unloading control method of disk filter, the interval m blow First air or replace with n+m block fanning strip and blow
First air can be such that each piece of fanning strip all blows to after disc device turns over several circles.
Compared with prior art, the present invention has following superiority：
1. interval blowing reduces the number to filter cloth blowing, the abrasion to filter cloth is reduced, its service life is extended.
2. air quantity required for the control mode of interval blowing makes in the process of running reduces, operation energy is effectively reduced
Consumption.
3. it is non-maintaining by process control automatic running in operational process, it is stable.
4. since filter cake increasingly densification causes the problem of production capacity descent tape when overcoming scraper discharging,
It, should with the progress of scraper 5. filter cloth surface has one layer of filter cake to be adsorbed on filter cloth surface always in scraper discharging
Layer filter cake becomes increasingly finer and close, and adsorption effect is deteriorated, and production capacity reduces.This kind of method can effectively overcome the problems, such as this, when
When detecting production capacity decline, automatic starting changes discharge way.
6. new filter cake, the guarantor that filter cloth surface does not have filter cake to be formed all are formed on fanning strip every time in blowing unloading
Sheath can allow the filter cake of absorption very thick, and filter without filter cake protective layer, and filtrate contains also higher admittedly.This kind of method can allow
In the stage that the filter most of the time filters all in matcoveredn, start blowing unloading in due course, can largely drop
The low influence to filtrate quality.
Detailed description of the invention
Fig. 1 is the discharge control apparatus schematic diagram of disk filter
It is marked in figure：1, disk filter main shaft；2, signal issues point；3, Zone switched；4, blowing valve；5, compression is empty
Gas system；6, vacuum system；7, vacuum valve；8, signal receiving point.
Specific embodiment
By the following examples can the detailed explanation present invention, the open purpose of the present invention is intended to protect model of the present invention
Enclose all interior technological improvements.
As shown in Figure 1, a kind of discharge control apparatus of disk filter, including：Signal projector 2, signal receiver 8,
Control processor, executing agency, blower system, vacuum system, the control processor signal transmitting terminal and disk filter master
Uniformly distributed signal projector 2 is connected on every piece of fanning strip of 1 circumference of axis, control processor signal receiving end and disk filter master
The corresponding signal receiver 8 of fanning strip is connected on 1 circumference of axis, and control processor output end is with blowing respectively by executing agency
System, vacuum system are connected.
The blower system is connected to form by pipeline with compressed air system 5 by blowing valve 4.The vacuum system by
Vacuum valve 7 is connected to form by pipeline with vacuum system 6.
A kind of unloading control method of disk filter has n block fanning strip on every disk filter plate device, runs in filter
When, First air is blown at interval of m n+m block fanning strip, the numerical value of every disk n block fanning strip is directed to, chooses the suitable block gap m
Numerical value, guarantee at runtime can be all once to be dried on every piece of fanning strip.
Wherein, 1≤m≤n, m+1 need to be prime number, while cannot be the approximate number of n, can make after disc device turns over several circles
Each piece of fanning strip is all blown to.
The disc device in conjunction with described in attached drawing is the disk filter of n=24 piece fanning strip, is set every m=4 piece blowing side
Formula discharging.Wherein, signal issues point 2 and is evenly arranged on 1 circumference of disk filter main shaft, as corresponds to the position of every piece of fanning strip；It blows
Air valve 4 is normal closed gate.When issuing the signal that treating capacity tails off to controller in system, at this moment discharging control starts, first
Controller instructs vacuum valve 7 to close, and then signal receiving point 8 starts to acquire the signals that signal sending point 2 issues, first letter
Number issue point 2 with signal receiving point 8 it is close when, the signal to controller generate instruction, control blowing valve 4 open, signal hair
Point 2 with signal receiving point 8 is rotated away from, close by valve 4 of drying out.Each unlatching of blowing valve is all by Zone switched 3
Compressed air system 5 is accessed, discharging is blowed to the fanning strip of the regional location.Second signal issues point 2 and connects with signal
When sink 8 is close, which does not generate control instruction, is only count action.The blowing mode discharging of interval m=4 piece, i.e., second,
Three, four, five signals issue point 2 it is close with signal receiving point 8 when, the signal of sending is all count action, when collecting the 6th
When a signal issues point 2 and close signal receiving point 8, controller generates instruction, the control blowing opening of valve 4, signal again
Point 2 is issued with signal receiving point 8 is rotated away from, valve 4 of drying is closed.The core of the unloading control method is to every disk filter plate
Every 5 pieces of fanning strip on device have one piece of blowing, which constantly recycles, until every piece of fanning strip is all once dried.
With the progress of control technology, the invention is simple and feasible, has been supplied in the present disk filter discharging of my company
In control.
Claims (4)
1. a kind of unloading control method of disk filter, using a kind of discharge control apparatus of disk filter, including：Signal
Transmitter（2）, signal receiver（8）, control processor, executing agency, blower system, vacuum system, the control processor
Signal transmitting terminal and disk filter main shaft（1）Uniformly distributed signal projector on every piece of fanning strip of circumference（2）It is connected, at control
Manage device signal receiving end and disk filter main shaft（1）The corresponding signal receiver of fanning strip on circumference（8）It is connected, control processing
Device output end is connected with blower system, vacuum system respectively by executing agency；It is characterized in that：Use disc device for n block fan
The disk filter of shape plate；In disk filter main shaft（1）Signal transmitting is evenly equipped on every piece of fanning strip corresponding position of circumference
Device（2）Signal issue point；
It is directed to the numerical value of the n block fanning strip on every disk filter plate device, chooses the interval numerical value of interval m block, is guaranteed at runtime
It all can once be dried on every piece of fanning strip；
Wherein, the relationship of interval m and n block fanning strip is：1≤m≤n, m+1 need to be prime number, while cannot be the approximate number of n, blowing
Valve（4）For normal closed gate；
When issuing the signal that treating capacity tails off, at this moment discharging control starting to controller in system, controller first instructs vacuum
Valve（7）It closes, then signal receiver（8）Signal receiving point start acquire signal projector（2）Signal issue point hair
Signal out, signal projector（2）First signal issue point and signal receiver（8）Signal receiving point it is close when, should
Signal generates instruction, control blowing valve to controller（4）It opens, signal projector（2）First signal issue point with
It is rotated away from signal receiver（8）Signal receiving point, dry valve（4）It closes；
Each unlatching of blowing valve is all will be Zone switched（3）Access compressed air system（5）, to the sector of the regional location
Discharging is blowed in plate；
Signal projector（2）Second signal issue point and signal receiver（8）Signal receiving point it is close when, the signal is not
Control instruction is generated, is only count action；
It is spaced the blowing mode discharging of m=natural number setting value block, i.e.+1 signal front signal transmitter of setting value（2）Sending
Point and signal receiver（8）Signal receiving point it is close when, the signal of sending is all count action, works as signal projector（2）It adopts
Collect+2 signals of setting value and issues point and signal receiver（8）Signal receiving point it is close when, again controller generation refer to
It enables, control blowing valve（4）It opens, signal projector（2）Signal issue point with being rotated away from signal receiver（8）Letter
Number receiving point, valve of drying（4）It closes；
The core of the unloading control method is to have one piece of blowing, the process to+1 piece of fanning strip setting value on every disk filter plate device
Constantly circulation, until every piece of fanning strip is all once dried.
2. a kind of unloading control method of disk filter as described in claim 1, it is characterized in that：The interval m is blown once
Wind replaces with n+m block fanning strip and blows First air, each piece of fanning strip can be made all to blow after disc device turns over several circles
It arrives.
3. a kind of unloading control method of disk filter as described in claim 1, it is characterized in that：The blower system is by blowing
Air valve（4）Pass through pipeline and compressed air system（5）It is connected to form.
4. a kind of unloading control method of disk filter as described in claim 1, it is characterized in that：The vacuum system is by true
Empty valve（7）Pass through pipeline and vacuum system（6）It is connected to form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523986.XA CN105999818B (en) | 2016-07-06 | 2016-07-06 | A kind of discharge control apparatus and method of disk filter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610523986.XA CN105999818B (en) | 2016-07-06 | 2016-07-06 | A kind of discharge control apparatus and method of disk filter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105999818A CN105999818A (en) | 2016-10-12 |
| CN105999818B true CN105999818B (en) | 2018-11-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610523986.XA Active CN105999818B (en) | 2016-07-06 | 2016-07-06 | A kind of discharge control apparatus and method of disk filter |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107617255B (en) * | 2017-11-15 | 2023-03-24 | 中冶北方（大连）工程技术有限公司 | Blowing control device for discharging cake of disc type filter |
| CN110152381B (en) * | 2019-04-12 | 2021-06-22 | 中信重工机械股份有限公司 | Filter disc structure of disc filter |
| CN114028865B (en) * | 2021-10-28 | 2022-11-11 | 中信重工机械股份有限公司 | Double-blowing system for distribution head of vacuum disc type filter |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2238785C1 (en) * | 2003-04-25 | 2004-10-27 | Общество с ограниченной ответственностью "Техносервис" | Method to decrease moisture of a disk vacuum filter cake at the cake removal by the compressed air blowing off |
| CN105209142A (en) * | 2013-04-17 | 2015-12-30 | 奥图泰(芬兰)公司 | Disc filter apparatus and method for controlling a disc filter |
| CN105435518A (en) * | 2015-12-10 | 2016-03-30 | 中信重工机械股份有限公司 | Vacuum blowing switching system of vacuum filter and method thereof |
| CN205925150U (en) * | 2016-07-06 | 2017-02-08 | 中信重工机械股份有限公司 | Disk filter's controlling means of unloading |
-
2016
- 2016-07-06 CN CN201610523986.XA patent/CN105999818B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2238785C1 (en) * | 2003-04-25 | 2004-10-27 | Общество с ограниченной ответственностью "Техносервис" | Method to decrease moisture of a disk vacuum filter cake at the cake removal by the compressed air blowing off |
| CN105209142A (en) * | 2013-04-17 | 2015-12-30 | 奥图泰(芬兰)公司 | Disc filter apparatus and method for controlling a disc filter |
| CN105435518A (en) * | 2015-12-10 | 2016-03-30 | 中信重工机械股份有限公司 | Vacuum blowing switching system of vacuum filter and method thereof |
| CN205925150U (en) * | 2016-07-06 | 2017-02-08 | 中信重工机械股份有限公司 | Disk filter's controlling means of unloading |
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| Publication number | Publication date |
|---|---|
| CN105999818A (en) | 2016-10-12 |
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