CN109621505A - A kind of thickener efficient operation control method and high-efficiency concentrator - Google Patents
A kind of thickener efficient operation control method and high-efficiency concentrator Download PDFInfo
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- CN109621505A CN109621505A CN201811486926.0A CN201811486926A CN109621505A CN 109621505 A CN109621505 A CN 109621505A CN 201811486926 A CN201811486926 A CN 201811486926A CN 109621505 A CN109621505 A CN 109621505A
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- shell
- thickener
- filter plate
- filter
- board group
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- 239000002562 thickening agent Substances 0.000 title claims abstract description 63
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000001914 filtration Methods 0.000 claims abstract description 80
- 239000012065 filter cake Substances 0.000 claims abstract description 21
- 239000000706 filtrate Substances 0.000 claims abstract description 18
- 239000012530 fluid Substances 0.000 claims description 65
- 239000007788 liquid Substances 0.000 claims description 41
- 239000002002 slurry Substances 0.000 claims description 17
- 230000002045 lasting effect Effects 0.000 abstract description 4
- 230000008719 thickening Effects 0.000 abstract description 3
- 239000007787 solid Substances 0.000 description 17
- 238000000926 separation method Methods 0.000 description 12
- 239000000203 mixture Substances 0.000 description 7
- 239000004744 fabric Substances 0.000 description 4
- 239000012528 membrane Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000007599 discharging Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000004069 differentiation Effects 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000001376 precipitating effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- B01D25/003—Filters formed by clamping together several filtering elements or parts of such elements integrally combined with devices for controlling the filtration
-
- 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
- B01D25/21—Plate and frame presses
-
- 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
- B01D25/32—Removal of the filter cakes
- B01D25/325—Removal of the filter cakes counter-current flushing, e.g. by air bumps
- B01D25/327—Removal of the filter cakes counter-current flushing, e.g. by air bumps with backwash shoes, with nozzles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D35/00—Filtering devices having features not specifically covered by groups B01D24/00 - B01D33/00, or for applications not specifically covered by groups B01D24/00 - B01D33/00; Auxiliary devices for filtration; Filter housing constructions
- B01D35/12—Devices for taking out of action one or more units of multi- unit filters, e.g. for regeneration
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a kind of thickener efficient operation control method and high-efficiency concentrators.Wherein, the technological measure that the progress control method is taken is, all filter plates in thickener are divided into multiple groups, each filtering board group has the backpurge system and drainage system for capableing of independent control, and the control of the backpurge system and drainage system of each filtering board group keeps interlocking state；In the lasting fill process of thickener, each filter plate group passes through respective drainage system respectively and filtrate is discharged, and each filter plate group carries out filter cake removing by respective backpurge system respectively, and each filtering board group in thickener must not carry out recoil motion at the same time.Pulp concentration concentration can be promoted the invention enables the thickening efficiency of thickener height and effectively, economy is excellent.
Description
Technical field
The present invention relates to thickener, specifically a kind of thickener efficient operation control method and high-efficiency concentrator.
Background technique
Thickener is used as the concentration and clarifying treatment of slurry, is widely used in ore dressing, metallurgy, chemical industry, coal, builds
The industries such as material, environmental protection.
Thickener mainly by shell and the feed system being arranged on shell, backpurge system (usually gas handling system),
Drainage system, feed bin bucket and several pieces of filter plate compositions；Every piece of filter plate is the hollow structure with filter chamber, and every piece is filtered
The filter chamber of plate has fluid port, and filter plate connects backpurge system and drainage system by fluid port.Its operation controlled
Slurry to be concentrated is sent into shell and is in the outside of filter plate, under pressure, each filter plate by Cheng Shi, feed system
The intracorporal slurry of shell is subjected to solid and liquid separation, the filtrate isolated enters drain system through filter chamber, the fluid port on filter plate
It unites and shell is discharged, solid portion is adhered on filter plate；When the filter cake accumulated on filter plate to certain thickness influences to filter
It when the solid and liquid separation function of plate, needs to start backpurge system, by the backflushing medium (usually compressed air) of backpurge system through flowing
Body end mouth and enter filter plate filter chamber in flushing-back filtering plate, make filter surface adhere to filter cake be stripped and fall into feed bin
In bucket, feed bin bucket is opened according to the requirement to pulp concentration concentration and realizes discharging；Based on filter plate and backpurge system and drain
The connection matching relationship of system, in order to avoid the backflushing medium of backpurge system enters drainage system and influence repercussion effect and
The normal operation of backpurge system in backpurge system and is influenced in order to avoid filtrate enters, backpurge system and drain system on thickener
The control of system is to maintain interlocking state, i.e., when backpurge system starts, drainage system liquid feeding end must be closed, when drainage system opens
Backpurge system outlet end must be closed when dynamic.
It needs to inject recoil into shell when filter cake is removed it can be seen from the operation control process of above-mentioned thickener
Pressure and drainage system are closings, in this way, feed system must stop feeding and filter cake removing being waited to finish material of advancing again,
And need to be formed on shell in filter cake removing and unload the pressure point-i.e. unlatching of feed bin bucket, that is to say, that above-mentioned thickener is in filter cake
It needs to stop charging when removing and opens feed bin bucket on shell, be so just able to achieve recoil.It is unquestionable, such thickener
Because charging it is intermittent due to make thickening efficiency low, in addition, open feed bin bucket release mode make the slurry concentration being concentrated out
It is limited, it cannot be directly realized by the concentration of high concentration slurry, overall operation is less economical.
Summary of the invention
One of technical purpose of the invention is: in view of the above shortcomings of the prior art, providing a kind of sustainable charging, dense
Contract thickener efficient operation control method that is high-efficient and can effectively promoting pulp concentration concentration.
The two of technical purpose of the invention are: in view of the above shortcomings of the prior art, providing a kind of sustainable charging, dense
Contract high-efficiency concentrator that is high-efficient and can effectively promoting pulp concentration concentration.
The present invention realizes that technical solution used by one of its technical purpose is: a kind of thickener efficient operation controlling party
Method, the technological measure that the progress control method is taken are that all filter plates in thickener are divided into multiple groups, each filter plate
Group has the backpurge system and drainage system for capableing of independent control, and the control of the backpurge system and drainage system of each filtering board group
System keeps interlocking state；In the lasting fill process of thickener, each filter plate group will pass through respective drainage system respectively to filter
Liquid discharge, each filter plate group carries out filter cake removing by respective backpurge system respectively, and each filtering board group in thickener is not
It obtains and carries out recoil motion at the same time.
One of preferably, the grouping of all filter plates in the thickener is the muti-piece mistake that will continuously arrange
Filter plate is divided into one group.Further, the feed bin bucket of the concentration motor spindle is divided into multiple, each material according to the grouping of filter plate
Magazine is in the lower section of corresponding filtering board group.
The present invention realizes that technical solution used by the two of its technical purpose is: a kind of high-efficiency concentrator, including shell and
Feed pipe, the interior sequence of the shell are placed with several pieces of filter plates, and every piece of filter plate is the hollow structure with filter chamber, and every
The filter chamber of block filter plate has fluid port, and the feed pipe, which is used as, to be sent into slurry to be concentrated in the shell and be in
The outside of the filter plate, the intracorporal all filter plates of shell are divided into multiple groups, and each filter plate of each filtering board group passes through each
Backpurge system and drainage system are connected from fluid port, the backpurge system and drainage system difference energy that each filtering board group is connected
Enough independent controls, and the control of the backpurge system and drainage system of each filtering board group keeps interlocking state.
One of preferably, the mutually independent fluid guidance cavity of multistage is provided on the shell, in the shell
All filter plates correspond to each section of fluid guidance cavity on the shell and be divided into multiple groups, each filtering board group is on each filter plate
Fluid port connect corresponding fluid guidance cavity, having on every section of fluid guidance cavity connected drainage pipe and can have control valve
Liquid outlet joint and can connect recoil tube and have control valve recoil pipe fitting, every section of company, fluid guidance cavity institute
The control valve of the recoil pipe fitting connect and liquid outlet joint is interlocking state.
One of preferably, the high-efficiency concentrator further includes having drain pipe, on the drain pipe and the shell
The liquid outlet joint that is connected of each section of fluid guidance cavity be connected.
One of preferably, the high-efficiency concentrator further includes having recoil tube, on the recoil tube and the shell
The recoil pipe fitting that is connected of each section of fluid guidance cavity be connected.
One of preferably, the bottom of the shell is connected with the feed bin bucket extended downwardly.Further, the shell
The feed bin bucket that body bottom is connected corresponds to each section of fluid guidance cavity on the shell and is divided into multiple, and each feed bin bucket is in pair
Answer the lower section of fluid guidance cavity.
The present invention realizes that the advantageous effects of the used technical solution of one of technical purpose are:
1. the intracorporal all filter plates of shell by being grouped by progress control method of the invention, and each filtering board group is anti-
The control of flushing system and drainage system realize can differentiation independent control, thus in the progress filter cake removing of a certain filtering board group
When, other filtering board groups carry out solid and liquid separation acting as usual, and the filtering board group done work as usual both can effectively ensure that thickener was held
Continuous charging, while the kickback pressure that filtering board group can also be removed to current filter cake realizes unloading, so that the concentration of thickener is imitated
Rate is high and can effectively promote pulp concentration concentration, and economy is excellent；
2. the grouping of progress control method of the invention to filter plates all in thickener is to filter the muti-piece continuously arranged
Plate is divided into one group, is conducive to light, convenient in this way and reliably carries out operation control to respectively filtering board group in thickener, has simultaneously
Conducive to the arrangement for simplifying thickener exterior tubing；In addition, being conducive to the feed bin bucket of thickener the reality according to the grouping of filter plate
It is now grouped, further can reliably control each filtering board group in this way to the concentration concentration of slurry；
The present invention realizes that the advantageous effects of two used technical solutions of technical purpose are:
1. the intracorporal all filter plates of shell by being grouped by high-efficiency concentrator of the invention, and the recoil of each filtering board group
The control of system and drainage system realize can differentiation independent control, thus in the progress filter cake removing of a certain filtering board group,
Other filtering board groups carry out solid and liquid separation acting as usual, and the filtering board group done work as usual both can effectively ensure that thickener continued
Charging, while the kickback pressure that filtering board group can also be removed to current filter cake realizes unloading, so that the thickening efficiency of thickener
High and can effectively promote pulp concentration concentration, economy is excellent；
2. the grouping of all filter plates in high-efficiency concentrator of the invention is by the mutually independent fluid guidance cavity of multistage
It realizes, the muti-piece filter plate continuously arranged can be divided into one group in this way, be conducive to light, convenience and reliably in thickener
Each filtering board group carries out operation control, while being conducive to simplify the arrangement of thickener exterior tubing；
3. the feed bin bucket of housing bottom is divided by high-efficiency concentrator of the invention according to each section of fluid guidance cavity on shell
Multiple, each feed bin bucket is in the lower section of corresponding fluid guidance cavity, to make the feed bin bucket on thickener according to point of filter plate
Group and realize grouping, further can reliably control each filtering board group in this way to the concentration concentration of slurry.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the invention.
Code name meaning in figure: 1-shell；2-feed pipes；3-fluid guidance cavities；4-air inlet pipe fittings；5-outlet tubes
Connector；6-filter plates；7-recoil tubes；8-fluid ports；9-feed bin buckets；10-drain pipes.
Specific embodiment
The present invention relates to thickener, specifically a kind of thickener efficient operation control method and high-efficiency concentrator, below
Agent technology content of the invention is described in detail with multiple embodiments.Wherein, embodiment 1 combines Figure of description-i.e.
Fig. 1 carries out detailed, specific description to the contents of the present invention, and other embodiments do not draw attached drawing individually, but its main structure is still
It can refer to the attached drawing of embodiment 1.Herein it should be strongly noted that attached drawing of the invention is schematically, for clear sheet
The technical purpose of invention has been simplified for unnecessary details, to avoid the technical side that the present invention contributes to the prior art has been obscured
Case.
Embodiment 1
Thickener efficient operation control method of the invention is to be changed based on the structure to thickener and realized, the technique taken
Measure is:
All filter plates in thickener are divided into multiple groups, which is muti-piece that will continuously arrange in thickener (usually ten
Within block) filter plate is divided into one group, so that all filter plates in thickener be made to be divided into multiple filtering board groups；It is corresponding to it
, the feed bin bucket that motor spindle is concentrated is divided into according to the grouping of filter plate multiple, each feed bin bucket is made to be in corresponding filter plate
The lower section of group, opening and closing for each feed bin bucket being capable of independent control；
Each filtering board group is connected with the backpurge system and drainage system for capableing of independent control, and the recoil of each filtering board group
The control of system and drainage system keeps interlocking state；That is, respectively the backpurge system control of filtering board group is mutually indepedent
, likewise, respectively the drainage system control of filtering board group is also independent from each other, still, it is desirable that the recoil of same filtering board group
The control of system and drainage system needs to keep interlocking state；
In the lasting fill process of thickener, each filter plate group passes through respective drainage system respectively and filtrate is discharged；When each
Accumulation forms filter cake and makes respectively in filtering board group, passes through respectively according to different forward and backward sequences to each filter plate group respective anti-
Flushing system carries out filter cake removing, that is to say, that each filtering board group in thickener must not carry out recoil motion at the same time.
Above-mentioned thickener efficient operation control method is transformed into the structure design of thickener, height of the invention can be formed
Imitate thickener.
Shown in Figure 1, high-efficiency concentrator of the invention includes shell 1 and the feed pipe being arranged on shell 12, row
Liquid pipe 10 and recoil tube 7.
Wherein, the horizontal placement on the rack of shell 1 is fixed with more in 1 inner top of shell along the length direction of shell 1
Duan Liuti guidance cavity 3, these fluid guidance cavities 3 keep mutually indepedent.Shell can be extended by being connected on every section of fluid guidance cavity 3
The liquid outlet joint 5 and recoil pipe fitting 4 of body 1；Liquid outlet joint 5 has independent control valve, and recoil pipe fitting 4 also has
Independent control valve, still, it is desirable that the control of recoil pipe fitting 4 and liquid outlet joint 5 that same section of fluid guidance cavity 3 is connected
Valve processed is interlocking state, i.e., then liquid outlet joint 5 is closed when recoil pipe fitting 4 is connected, conversely, when liquid outlet joint 5 is connected
The pipe fitting 4 that then recoils is closed.
Alongst several pieces of filter plates 6 are sequentially placed in shell 1.Every piece of filter plate 6 mainly by sheet frame, with
And be fixed on the gusset of sheet frame at least side (usually two sides), the filter membrane being coated on gusset/filter cloth composition, sheet frame and
Gusset forms the filter chamber that filtrate can be discharged, and offers several filtrate channels communicated with filter chamber on gusset, it is seen that every
Block filter plate 6 is the hollow structure with filter chamber；In addition, offering at the top of the sheet frame of every piece of filter plate 6 for filtrate or recoil
The fluid port 8 of media flow.All filter plates 6 in shell 1 correspond to each section of fluid guidance cavity 3 on above-mentioned shell 1 and divide
For multiple groups, that is, correspond to each section of fluid guidance cavity 3 and muti-piece (usually within the ten pieces) filter plate 6 that will continuously arrange divides is one
Group, each filtering board group connect corresponding fluid guidance cavity 3 with the fluid port 8 on its each filter plate 6, i.e. fluid guidance cavity 3 will
Each piece of filter plate 6 of corresponding matching is cascaded by their fluid port 8, in this way, corresponding each section of fluid guidance cavity 3 and
All filter plates 6 in thickener are divided into multiple filtering board groups.
The bottom of shell 1 is connected with multiple feed bin buckets 9 extended downwardly, the quantity of these feed bin buckets 9 and position and shell 1
The filtering board group quantity inside separated and position are corresponding.Specifically, the corresponding above-mentioned shell 1 of the feed bin bucket 9 that 1 bottom of shell is connected
On each section of fluid guidance cavity 3 and be divided into multiple, each feed bin bucket 9 is in the lower section of corresponding fluid guidance cavity 3, each feed bin bucket
9 discharge gate opens and closes being capable of independent control.
Feed pipe 2, which is used as, is sent into slurry to be concentrated in shell 1, is immersed in shell 1 into the slurry in shell 1
The outside of each filter plate 6.Each filter plate 6 being acted in pressure, solid and liquid separation being carried out to slurry, the filtrate isolated enters filter plate
In 6 filter chamber, and enter in corresponding fluid guidance cavity 3 through fluid port 8, the filter residue isolated is adhered to filter plate 6
Filter membrane/filter cloth surface, part filter residue can voluntarily be precipitated because of gravity.
The liquid outlet joint 5 that drain pipe 10 is connect with each section of fluid guidance cavity 3 on above-mentioned shell 1 is connected, i.e., respectively
Liquid outlet joint 5 on Duan Liuti guidance cavity 3, with control valve can be connected with drain pipe 10, each section of fluid guidance
Filtrate in chamber 3 enters in drain pipe 10 through liquid outlet joint 5.
The recoil pipe fitting 4 that recoil tube 7 is connect with each section of fluid guidance cavity 3 on above-mentioned shell 1 is connected, i.e., and each section
Recoil pipe fitting 4 on fluid guidance cavity 3, with control valve can be connected with recoil tube 7, and the recoil of recoil tube 7 is situated between
Matter (usually compressed air can also be high pressure water or air-water mixture certainly) is through the correspondence on each section of fluid guidance cavity 3
It recoils pipe fitting 4 and enters in corresponding fluid guidance cavity 3.
The operation control process of high-efficiency concentrator of the invention is:
Starting feed pipe 2 is persistently fed into shell 1, and the slurry in shell 1 under pressure, is carried out by each filter plate 6
Solid and liquid separation；The filtrate isolated enters through filter chamber, fluid port 8 and the corresponding fluid guidance cavity 3 on filter plate 6
Shell 1 is discharged in drain pipe 10, voluntarily precipitating enters in corresponding feed bin bucket 9 fraction solids isolated in shell 1, another part
Solids adhering is on filter plate 6；
When the filter cake accumulated in a certain filtering board group to certain thickness influences the solid and liquid separation function of filter plate 6, close
The liquid control valve door of the current filter plate group opens the recoil control valve of the current filter plate group, by the recoil of recoil tube 7
Medium enters in the filter chamber of corresponding filter plate 6 through corresponding fluid guidance cavity 3 and each fluid port 8, and flushing-back filtering plate 6 makes
The filter cake of 6 surface adhesion of filter plate is stripped and falls into corresponding feed bin bucket 6, and backflushing medium is through being currently at solid and liquid separation
Other each filtering board groups and shell 1 is discharged；
Corresponding feed bin bucket 9 is opened according to the requirement to pulp concentration concentration, realizes discharging.
Embodiment 2
Other contents of the present embodiment are same as Example 1, the difference is that: the multistage fluid guidance cavity on shell is distributed in
The outside of shell, each section of fluid guidance cavity the fluid port of matched each filter plate each extend over out shell and connect corresponding stream
Body guidance cavity.
Embodiment 3
Thickener efficient operation control method of the invention is to be changed based on the structure to thickener and realized, the technique taken
Measure is:
All filter plates in thickener are divided into multiple groups, which is muti-piece that will continuously arrange in thickener (usually ten
Within block) filter plate is divided into one group, so that all filter plates in thickener be made to be divided into multiple filtering board groups；It is corresponding to it
, the feed bin bucket that motor spindle is concentrated is divided into according to the grouping of filter plate multiple, each feed bin bucket is made to be in corresponding filter plate
The lower section of group, opening and closing for each feed bin bucket being capable of independent control；
Each filtering board group is connected with the backpurge system and drainage system for capableing of independent control, and the recoil of each filtering board group
The control of system and drainage system keeps interlocking state；That is, respectively the backpurge system control of filtering board group is mutually indepedent
, likewise, respectively the drainage system control of filtering board group is also independent from each other, still, it is desirable that the recoil of same filtering board group
The control of system and drainage system needs to keep interlocking state；
In the lasting fill process of thickener, each filter plate group passes through respective drainage system respectively and filtrate is discharged；When each
Accumulation forms filter cake and makes respectively in filtering board group, passes through respectively according to different forward and backward sequences to each filter plate group respective anti-
Flushing system carries out filter cake removing, that is to say, that each filtering board group in thickener must not carry out recoil motion at the same time.
Above-mentioned thickener efficient operation control method is transformed into the structure design of thickener, height of the invention can be formed
Imitate thickener.
High-efficiency concentrator of the invention includes shell and the feed pipe being arranged on shell, drain pipe and recoil tube.
Wherein, shell horizontal placement on the rack.Alongst several pieces of filter plates are sequentially placed in shell.
Every piece of filter plate mainly by sheet frame and is fixed on the gusset of sheet frame at least side (usually two sides), is coated on gusset
The filter chamber of filtrate can be discharged in filter membrane/filter cloth composition, sheet frame and gusset composition, offer several and filtering on gusset
The filtrate channel that chamber communicates, it is seen that every piece of filter plate is the hollow structure with filter chamber；In addition, the sheet frame top of every piece of filter plate
Portion offers the fluid port for filtrate or backflushing medium flowing.The intracorporal all filter plates of shell are divided into multiple groups, and each group is company
Muti-piece (usually within ten pieces) the filter plate composition of continuous arrangement, in this way, all filter plates in thickener are divided into multiple
Filter board group；Each filter plate of each filtering board group is connected with the outlet tube that can extend shell by respective fluid port
Each liquid outlet joint of connector and recoil pipe fitting, each filtering board group is respectively provided with control valve, and each filtering board group
The control valve of each liquid outlet joint can synchronously control, it is each filtering board group each recoil pipe fitting be also respectively provided with control valve
Door, and it is each filtering board group each recoil pipe fitting control valve can synchronously control, still, it is desirable that same filtering board group institute
The recoil pipe fitting of connection and the control valve of liquid outlet joint are interlocking state, i.e., when each recoil tube of same filtering board group connects
When head conducting, then each liquid outlet joint is closed, conversely, when each liquid outlet joint conducting of same filtering board group, then each recoil
Pipe fitting is closed.
The bottom of shell, which is connected in multiple feed bin buckets extended downwardly, the quantity of these feed bin buckets and position and shell, to be divided
Filtering board group quantity and position out is corresponding.Specifically, the feed bin bucket that housing bottom is connected corresponds to each on above-mentioned shell
Filtering board group and be divided into multiple, each feed bin bucket is in the lower section of corresponding filtering board group, and the discharge gate of each feed bin bucket opens and closes
It being capable of independent control.
Feed pipe, which is used as, is sent into slurry to be concentrated in shell, is immersed in the intracorporal each mistake of shell into the intracorporal slurry of shell
The outside of filter plate.Each filter plate being acted in pressure, solid and liquid separation being carried out to slurry, the filtrate isolated enters the filtering of filter plate
It is intracavitary, and enter in corresponding liquid outlet joint through fluid port, the filter residue isolated is adhered to filter membrane/filter cloth of filter plate
Surface, part filter residue can voluntarily be precipitated because of gravity.
Each liquid outlet joint that drain pipe is connect with each filtering board group on above-mentioned shell is connected, i.e., each filtering board group
On, the liquid outlet joint with control valve can be connected with drain pipe, filtrate that each filter plate group is isolated is through respective
Multiple liquid outlet joints enter in drain pipe.
The recoil pipe fitting that recoil tube is connect with each filtering board group on above-mentioned shell is connected, i.e., in each filtering board group
, the recoil pipe fitting with control valve can be connected with recoil tube, (usually compression is empty for the backflushing medium of recoil tube
Gas can also be high pressure water or air-water mixture certainly) enter through multiple corresponding recoil pipe fittings in each filtering board group
In corresponding filtering board group.
The operation control process of high-efficiency concentrator of the invention is:
Starting feed pipe is persistently fed into shell, the intracorporal slurry of shell under pressure, by each filter plate carry out it is solid,
Liquid separation；The filtrate isolated enters drain pipe through filter chamber, fluid port and the corresponding liquid outlet joint on filter plate
Interior, discharge shell, voluntarily precipitating enters in corresponding feed bin bucket the fraction solids isolated in shell, and another fraction solids are adhered to
On filter plate；
When the filter cake accumulated in a certain filtering board group to certain thickness influences the solid and liquid separation function of filter plate, closing should
The liquid control valve door of current filter board group opens the recoil control valve of the current filter plate group, is situated between by the recoil of recoil tube
Matter enters in the filter chamber of corresponding filter plate through corresponding recoil pipe fitting and fluid port, and flushing-back filtering plate makes filter plate table
The filter cake of face adherency is stripped and falls into corresponding feed bin bucket, and backflushing medium is currently at other each filterings of solid and liquid separation
Board group and shell is discharged；
Corresponding feed bin bucket is opened according to the requirement to pulp concentration concentration, realizes discharging.
Embodiment 4
Other contents of the present embodiment are identical as embodiment 1,2 or 3, the difference is that: the feed bin bucket of housing bottom is one,
The corresponding lower section in each filtering board group of the feed bin bucket.
Embodiment 5
Other contents of the present embodiment are identical as embodiment 1,2 or 3, the difference is that: the feed bin bucket of housing bottom be it is multiple,
The lower section of the corresponding two adjacent groups filtering board group in shell of each feed bin bucket.
The above various embodiments is only to illustrate the present invention, rather than its limitations；Although referring to the various embodiments described above to this hair
It is bright to be described in detail, those skilled in the art should understand that: the present invention still can be to the various embodiments described above
In specific technical solution modify perhaps equivalent replacement of some of the technical features and these modifications or replace
It changes, the spirit and scope of the present invention that it does not separate the essence of the corresponding technical solution.
Claims (9)
1. a kind of thickener efficient operation control method, it is characterised in that: the technological measure that the progress control method is taken is,
All filter plates in thickener are divided into multiple groups, each filtering board group has backpurge system and the drain system for capableing of independent control
System, and the control of the backpurge system and drainage system of each filtering board group keeps interlocking state；Continue to feed in thickener
Cheng Zhong, each filter plate group pass through respective drainage system respectively and filtrate are discharged, and each filter plate group passes through respective recoil respectively
System carries out filter cake removing, and each filtering board group in thickener must not carry out recoil motion at the same time.
2. thickener efficient operation control method according to claim 1, it is characterised in that: all mistakes in the thickener
The grouping of filter plate is that the muti-piece filter plate that will continuously arrange is divided into one group.
3. thickener efficient operation control method according to claim 2, it is characterised in that: the feed bin of the concentration motor spindle
Struggling against, it is multiple to be divided into according to the grouping of filter plate, and each feed bin bucket is in the lower section of corresponding filtering board group.
4. a kind of high-efficiency concentrator, including shell (1) and feed pipe (2), the interior sequence of the shell (1) is placed with several pieces of filterings
Plate (6), every piece of filter plate (6) is the hollow structure with filter chamber, and the filter chamber of every piece of filter plate (6) has fluid port
(8), the feed pipe (2), which is used as, is sent into slurry to be concentrated in the shell (1) and is in the outside of the filter plate (6),
It is characterized by: all filter plates (6) in the shell (1) are divided into multiple groups, each filter plate (6) of each filtering board group passes through
Respective fluid port connects backpurge system and drainage system, the backpurge system and drainage system difference that each filtering board group is connected
Can independent control, and it is each filtering board group backpurge system and drainage system control keep interlocking state.
5. high-efficiency concentrator according to claim 4, it is characterised in that: it is mutually indepedent to be provided with multistage on the shell (1)
Fluid guidance cavity (3), each section of fluid guidance cavity on the corresponding shell (1) of all filter plates (6) in the shell (1)
(3) it is divided into multiple groups, each filtering board group connects corresponding fluid guidance cavity (3) with the fluid port (8) on each filter plate (6),
Having on every section of fluid guidance cavity (3) being capable of connected drainage pipe (10) and the liquid outlet joint (5) with control valve, Yi Jineng
It enough connects recoil tube (7) and has the recoil pipe fitting (4) of control valve, the recoil tube that every section of fluid guidance cavity (3) is connected
The control valve of connector (4) and liquid outlet joint (5) is interlocking state.
6. high-efficiency concentrator according to claim 4 or 5, it is characterised in that: the high-efficiency concentrator further includes having drain pipe
(10), liquid outlet joint (5) phase that the drain pipe (10) is connect with each section of fluid guidance cavity (3) on the shell (1)
It connects.
7. high-efficiency concentrator according to claim 4 or 5, it is characterised in that: the high-efficiency concentrator further includes having recoil tube
(7), the recoil pipe fitting (4) that the recoil tube (7) is connect with each section of fluid guidance cavity (3) on the shell (1) connects
It is logical.
8. high-efficiency concentrator according to claim 4 or 5, it is characterised in that: the bottom of the shell (1) is connected with to downward
The feed bin bucket (9) stretched.
9. high-efficiency concentrator according to claim 8, it is characterised in that: the feed bin bucket (9) that shell (1) bottom is connected
Each section of fluid guidance cavity (3) on the corresponding shell (1) and be divided into multiple, each feed bin bucket (9) is in corresponding fluid guidance
The lower section of chamber (3).
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| CN201811486926.0A CN109621505B (en) | 2018-12-06 | 2018-12-06 | Efficient operation control method of concentrator and efficient concentrator |
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| CN201811486926.0A CN109621505B (en) | 2018-12-06 | 2018-12-06 | Efficient operation control method of concentrator and efficient concentrator |
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| CN109621505B CN109621505B (en) | 2024-05-28 |
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| CN109621505B (en) | 2024-05-28 |
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