CN107344035A - A kind of continuous filtration system and filter method - Google Patents
A kind of continuous filtration system and filter method Download PDFInfo
- Publication number
- CN107344035A CN107344035A CN201710685686.6A CN201710685686A CN107344035A CN 107344035 A CN107344035 A CN 107344035A CN 201710685686 A CN201710685686 A CN 201710685686A CN 107344035 A CN107344035 A CN 107344035A
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- filter
- valve
- liquid
- water tank
- line
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- 238000001914 filtration Methods 0.000 title claims abstract description 33
- 238000000034 method Methods 0.000 title claims abstract description 12
- 239000007788 liquid Substances 0.000 claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 48
- 238000010079 rubber tapping Methods 0.000 claims abstract description 20
- 230000005587 bubbling Effects 0.000 claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 16
- 239000002699 waste material Substances 0.000 claims abstract description 16
- 230000000740 bleeding effect Effects 0.000 claims abstract description 10
- 238000011010 flushing procedure Methods 0.000 claims abstract description 10
- 238000010926 purge Methods 0.000 claims abstract description 7
- 239000007791 liquid phase Substances 0.000 claims description 19
- 239000010865 sewage Substances 0.000 claims description 18
- 239000007790 solid phase Substances 0.000 claims description 13
- 239000000725 suspension Substances 0.000 claims description 8
- 238000004140 cleaning Methods 0.000 claims description 5
- 239000012535 impurity Substances 0.000 claims description 5
- 239000012071 phase Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims description 5
- 239000000945 filler Substances 0.000 claims description 4
- 230000008676 import Effects 0.000 claims description 4
- 238000004880 explosion Methods 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- 238000003825 pressing Methods 0.000 claims 1
- 238000012216 screening Methods 0.000 claims 1
- 239000002360 explosive Substances 0.000 description 3
- 231100000614 poison Toxicity 0.000 description 3
- 230000007096 poisonous effect Effects 0.000 description 3
- 231100000021 irritant Toxicity 0.000 description 2
- 239000002085 irritant Substances 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- 239000008247 solid mixture Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000010924 continuous production Methods 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012065 filter cake Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- WTGQALLALWYDJH-WYHSTMEOSA-N scopolamine hydrobromide Chemical compound Br.C1([C@@H](CO)C(=O)OC2C[C@@H]3N([C@H](C2)[C@@H]2[C@H]3O2)C)=CC=CC=C1 WTGQALLALWYDJH-WYHSTMEOSA-N 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/50—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition
- B01D29/52—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with multiple filtering elements, characterised by their mutual disposition in parallel connection
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/60—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration
- B01D29/606—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor integrally combined with devices for controlling the filtration by pressure measuring
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/62—Regenerating the filter material in the filter
- B01D29/66—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps
- B01D29/68—Regenerating the filter material in the filter by flushing, e.g. counter-current air-bumps with backwash arms, shoes or 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
- B01D35/16—Cleaning-out devices, e.g. for removing the cake from the filter casing or for evacuating the last remnants of liquid
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtration Of Liquid (AREA)
Abstract
The present invention relates to a kind of continuous filtration system and filter method, including filter, it is characterised in that filter comprises at least the first filter being connected in parallel and the second filter；The suction line of each filter connects the feed-line of material to be filtered by inlet valve, and the bottom of filter is additionally provided with the blowdown pipeline of connection Water Tank, and blowdown pipeline is provided with blowoff valve；The outlet line of filter connects downstream by outlet valve；The top of filter connects source purge gas by blowback lines, and blowback lines are provided with back-flushing valve；Exhaust line, exhaust line connection Water Tank are connected with the top of filter, and exhaust line is provided with air bleeding valve；The epicoele of filter connects Water Tank by tapping line, and tapping line is provided with tapping valve；Water Tank is connected with waste line and waste liquid pipeline；Bubbling device is provided with Water Tank；Each equal electric signal connection control unit of valve.
Description
Technical field
The present invention relates to material filter, more particularly to a kind of continuous filtration system and filter method.
Background technology
Much it is related to product filtering, especially chemical plant installations in commercial plant, because the presence of filter progress is, it is necessary to stop
Work clears up plugged sereen, can not realize the continuous production of industry.And, it is necessary to which operative employee is carried out clearly after plugged filter
Wash, the amount of labour is big, and cleaning can produce substantial amounts of sewage, increase the load of sewage disposal；More particularly contain poisonous, easy
Fire the processing medium containing solid particle of explosive, irritant smell, in filter cleaning process, operating environment is not very friendly
It is good, and poisonous, flammable explosive gas leakage is easily caused, environment is not only polluted, the life peace of entail dangers to operative employee when serious
Entirely.
The content of the invention
The technical problems to be solved by the invention are that the present situation offer one kind for being directed to prior art has automatic flushing function
Continuous filtration system.
Another technical problem to be solved by this invention is present situation offer one kind for prior art with automatic punching
Wash the continuous filter method of function.
Technical scheme is used by the present invention solves above-mentioned technical problem：The continuous filtration system, including filter, its
It is characterised by that the filter comprises at least the first filter being connected in parallel and the second filter；The entrance of each filter
Pipeline connects the feed-line of material to be filtered by inlet valve, and the bottom of the filter is additionally provided with the row of connection Water Tank
Dirty pipeline, the blowdown pipeline are provided with blowoff valve；
The outlet line of the filter connects downstream by outlet valve；
The top of the filter connects source purge gas by blowback lines, and the blowback lines are provided with back-flushing valve；
Exhaust line is connected with the top of the filter, the exhaust line connects the Water Tank, and the row
Gas pipeline is provided with air bleeding valve；
The epicoele of the filter connects the Water Tank by tapping line, and the tapping line is provided with tapping valve；
The Water Tank is connected with waste line and waste liquid pipeline；
Bubbling device is provided with the Water Tank；
Each equal electric signal connection control unit of valve.
The bubbling device can as needed from it is of the prior art any one, preferably, the bubbling device
The compressed gas source for the gas distributor and connection gas distributor being arranged in the Water Tank can be included.
It is preferred that the source purge gas includes surge tank, the outlet of the surge tank connects the blowback lines, the buffering
The entrance of tank connects compressed gas source by valve.
Preferably, the filter can be blue formula filter.The suction line connects the cavity of resorption of the filter.
Liquid height and discharge opeing height are automatically controlled for convenience, can be additionally provided with the epicoele of the filter for controlling
First liquid-level switch of discharge opeing height and the second liquid-level switch for controlling filter topping up packed height；First liquid level
Switch connects described control unit with the equal electric signal of the second liquid-level switch.
To be smoothly discharged the waste liquid in Water Tank, it can be provided with the waste liquid pipeline and be used to extract the sewage
The sewage pump of liquid phase and solid-phase mixture in tank；
To further facilitate automatic pollution discharge, liquid level gauge can be provided with the Water Tank；Liquid level gauge is provided with for opening
Move the high high liquid level warning of the sewage pump, for starting the high liquid level warning of bubbling device and for stopping the low liquid of sewage pump
Position alarm.
Use the continuous filter method of above-mentioned continuous filtration system, it is characterised in that comprise the steps：
First filter is online, and the second filter is standby；
The inlet valve of first filter is opened, outlet valve is opened；
Liquid phase containing solid phase material to be filtered enters the cavity of resorption of the first filter via the suction line, wherein
Liquid phase enter the filter core of filter from outside to inside, the solid phase in material to be filtered is filtered off, adsorbed on the filter core；Liquid phase
Into the epicoele of first filter, downstream is sent to via the outlet line；
When the import and export pressure differential that first filter line duration reaches in setting time or first filter reaches
During setting value, described control unit opens the inlet valve and outlet valve of second filter, closes the import of first filter
Valve and outlet valve；Now the second filter on-line filtration, first filter carry out blowback cleaning offline；
Operation principle during operation principle and online first filter when second filter is online is identical；
The blowback step of the first filter is as follows：
Control unit opens the tapping valve of first filter, and the liquid phase of intracavitary is via the tapping line in first filter
Discharge, into the Water Tank, discharge opeing height is controlled by the first liquid-level switch, is down to and sets when the liquid level in first filter
During definite value, control unit closes the tapping valve, the back-flushing valve of the first filtering tank of connection is opened, to the upper of first filtering tank
Intracavitary pours compressed gas；
When the pressure in the first filter reaches setting value, control unit opens the blowoff valve, in compressed gas
In the presence of body pressure, first filter is internally formed back flush explosion gas-liquid flow, and the solid phase for being deposited in filter core outer surface is miscellaneous
Matter is rushed at the Water Tank in the presence of high-speed gas-liquid stream；
Described control unit closes the back-flushing valve and the blowoff valve, blowback terminate；
Described control unit opens the inlet valve and air bleeding valve of first filter, and topping up filler is carried out to first filter；
When the liquid level in first filter reaches setting height, the inlet valve and air bleeding valve of first filter, first mistake are closed
Filter enters stand-by state；
When described control unit is connected to the switching signal of second filter, the first filter opens inlet valve
To reach the standard grade and filtered with outlet valve, close the inlet valve and outlet valve of second filter, second filter is offline, according to
Secondary progress blowback and topping up filler program；
The blowback and topping up filler program of the second filter blowback and topping up filler program with the first filter
It is identical；
The first filter and second filter are alternately reached the standard grade, and realize the continuous filtering of material to be filtered.
In such scheme, separated into the gas-liquid-solid mixture in the Water Tank in the Water Tank；
The gas phase isolated is discharged via the waste line；When the liquid level gauge in the Water Tank reaches high alarm liquid level
When, described control unit starts the bubbling device and worked, and bubbling in the liquid phase into Water Tank, makes solid suspension in the liquid phase
Form suspension；When high high liquid level warning occurs in liquid level gauge, described control unit starts the sewage pump, by the Water Tank
Interior suspension is extracted out and delivers to downstream treatment systems；When low liquid level warning occurs in liquid level gauge, described in described control unit closing
Sewage pump, and close the air intake valve of compressed gas source.
Compared with prior art, continuous filtration system provided by the present invention and continuous filter method use at least two mistakes
Filter is used alternatingly, and it is offline after filter can carry out automatic backflushing washing procedure, not only avoid the blocking of filter, and
And filter is automatically continuously carried out, labor intensity is significantly reduced, and security is good, low consumption is economic and environment-friendly.
Present invention is particularly suitable for the liquid phase of poisonous, inflammable and explosive, irritant smell of the filtering containing solid phase impurity
Work material.
Brief description of the drawings
Fig. 1 is schematic flow sheet of the embodiment of the present invention.
Embodiment
The present invention is described in further detail below in conjunction with accompanying drawing embodiment.
As shown in figure 1, the continuous filtration system includes：
Filter, there are two, be connected in parallel with each other, including first filter 1A and the second filter 1B；It is blue formula mistake
Filter.
Filter can also be arranged as required to for more, these filters can be connected in parallel, successively alternately switch
Use；Two or more groups can also be divided into, the filter in every group is parallel with one another, works simultaneously, to increase filter capacity.
Connecting pipeline and the valve setting of each filter are identical, specific as follows：
The suction line 11 of each filter is all connected with the cavity of resorption of filter, and connects material to be filtered by inlet valve 21
Feed-line 41, the bottom of filter is additionally provided with the blowdown pipeline 42 of connection Water Tank 3, and blowdown pipeline 42 is provided with blowoff valve
22；Blowdown pipeline 42 connects suction line 11.
The epicoele of filter is connected with the outlet line 43 in connection downstream, and outlet line 43 is provided with outlet valve 23；
Blowback lines 44 are connected with the top of filter, blowback lines connection source purge gas, blowback lines 44 are provided with anti-
Blow valve 24.
The epicoele of filter is additionally provided with the first liquid-level switch 27 for controlling discharge opeing height and filled for controlling filter
Second liquid-level switch 28 of liquid packed height.
Source purge gas includes surge tank 51, the outlet connection blowback lines 44 of surge tank 51, and the entrance of surge tank 51 passes through
Valve 53 connects compressed gas source 52.
Exhaust line 45 is connected with the top of filter, exhaust line 45 connects Water Tank 3, and is set on exhaust line 45
There is air bleeding valve 25；
The epicoele of filter connects Water Tank 3 by tapping line 46, and tapping line 46 is provided with tapping valve 26；
Water Tank 3 is connected with waste line 31 and waste liquid pipeline 32；Waste liquid pipeline 32 is provided with sewage pump 6；In Water Tank 3
Be additionally provided with liquid level gauge 33, liquid level gauge be provided with for start sewage pump 6 high high liquid level warning, for starting the height of bubbling device
Liquid level warning and for stopping the low liquid level warning of sewage pump 6.
Bubbling device, including the gas distributor 71 being arranged in Water Tank 3, gas distributor 71 are connected by bubbling valve 73
Connect compressed gas source 72.
Each valve connects control unit with the equal electric signal of liquid-level switch.
Using the continuous filter method of above-mentioned continuous filter unit, comprise the steps：
First filter 1A is online, and the second filter 1B is standby；
First filter 1A inlet valve 21 is opened, outlet valve 23 is opened, into on-line filtration state；
Liquid phase containing solid phase material to be filtered enters first filter 1A cavity of resorption, liquid therein via suction line 11
Mutually enter the filter core of filter from outside to inside, the solid phase in material to be filtered is filtered off, adsorbed on filter core；Impurity in liquid
Intercepted by filter core in the outer surface of filter core, when the impurity of cartridge surface is cumulative, when gradually forming filter cake, effective mistake of filter core
Filtering surface product is reduced, and the pressure difference of inlet and outlet gradually rises.
Liquid phase after filtering enters the epicoele of filter via the inner chamber of first filter 1A filter core, via outlet line
43 send to downstream.
The import and export pressure differential for reaching setting duration or first filter 1A when first filter 1A line durations reaches
During to setting value, control unit opens the second filter 1B inlet valve 21 and outlet valve 23, closes entering for first filter 1A
Mouth valve 21 and outlet valve 23；Now the second filter 1B on-line filtrations, first filter 1A carry out blowback cleaning offline；
Operation principle during operation principle and first filter 1A online when the second filter 1B is online is identical；
First filter 1A blowback step is as follows：
Control unit opens first filter 1A tapping valve 26, and the liquid phase of intracavitary is via discharging tube on first filter 1A
Line 46 is discharged, and into Water Tank 3, discharge opeing height, the liquid level in first filter 1A are controlled by the first liquid-level switch 27
When being down to setting value, control unit closes tapping valve 26, the first filtering tank 1A of connection back-flushing valve 24 is opened, to the first filtering tank
Upper intracavitary pour compressed gas；
When the pressure in first filter 1A reaches setting value, control unit opens blowoff valve 22, in compressed gas pressure
In the presence of power, first filter 1A is internally formed back flush explosion gas-liquid flow, is deposited in the solid phase impurity of filter core outer surface
In the presence of high-speed gas-liquid stream, Water Tank 3 is rushed at；
Control unit closes back-flushing valve 24 and blowoff valve 22, and blowback terminates；
Control unit opens first filter 1A inlet valve 21 and air bleeding valve 25, and carrying out topping up to first filter 1A fills out
Material；Topping up packed height in first filter 1A is controlled by the second liquid-level switch, reaches setting height when reaching topping up filler
When spending, first filter 1A inlet valve 21 and air bleeding valve 25 are closed, first filter 1A enters stand-by state；
When control unit is connected to the second filter 1B switching signal, first filter 1A inlet valve and outlet are opened
Valve, which is reached the standard grade, to be filtered, and closes the second filter 1B inlet valve 21 and outlet valve 23, the second filter 1B is offline, carries out successively
Blowback and topping up filler program；
The blowback and topping up filler program of second filter 1B blowbacks and topping up filler program with first filter 1A are identical；
First filter 1A and the second filter 1B alternately reaches the standard grade, and realizes the continuous filtering of material to be filtered.
Separated into the gas-liquid-solid mixture in Water Tank 3 in Water Tank 3；
The gas phase isolated is discharged via waste line；When the liquid level gauge 33 in the Water Tank 3 reaches high alarm liquid level
When, control unit control bubbling device works, and bubbling in the liquid phase into Water Tank 3, solid suspension is formed in the liquid phase outstanding
Supernatant liquid, to prevent solid phase precipitation, avoid line clogging.When high high liquid level warning occurs in liquid level gauge 33, control unit starts dirty
Water pump 6, suspension are extracted out by sewage pump 6 via waste liquid pipeline 32 and deliver to downstream treatment systems；When low liquid level occurs in liquid level gauge 33
During alarm, control unit closes sewage pump 6, while and closes the air intake valve 73 of compressed gas source 72.
Claims (8)
1. a kind of continuous filtration system, including filter, it is characterised in that the filter comprises at least first be connected in parallel
Filter (1A) and the second filter (1B)；The suction line (11) of each filter was treated by inlet valve (21) connection
The feed-line (41) of screening material, the bottom of the filter are additionally provided with the blowdown pipeline (42) of connection Water Tank (3), the row
Dirty pipeline (42) is provided with blowoff valve (22)；
The outlet line (43) of the filter connects downstream by outlet valve (23)；
The top of the filter connects source purge gas by blowback lines (44), and the blowback lines (44) are provided with back-flushing valve
(24)；
Exhaust line (45) is connected with the top of the filter, the exhaust line (45) connects the Water Tank (3), and
The exhaust line (45) is provided with air bleeding valve (25)；
The epicoele of the filter connects the Water Tank (3) by tapping line (46), and the tapping line (46) is provided with
Tapping valve (26)；
The Water Tank (3) is connected with waste line (31) and waste liquid pipeline (32)；
Bubbling device (4) is provided with the Water Tank (3)；
Each equal electric signal connection control unit of valve.
2. continuous filtration system according to claim 1, it is characterised in that the bubbling device includes being arranged on the dirt
The compressed gas source (72) of gas distributor (71) and the connection gas distributor (71) in water pot (3).
3. continuous filtration system according to claim 1 or 2, it is characterised in that the source purge gas includes surge tank
(51), the outlet of the surge tank (51) connects the blowback lines (44), and the entrance of the surge tank (51) passes through valve
(53) compressed gas source (52) is connected.
4. continuous filtration system according to claim 3, it is characterised in that the filter is to enter described in blue formula filter
Mouth pipeline (11) connects the cavity of resorption of the filter.
5. continuous filtration system according to claim 4, it is characterised in that the epicoele of the filter is additionally provided with for controlling
The first liquid-level switch (27) of discharge opeing height processed and the second liquid-level switch (28) for controlling filter topping up packed height；Institute
State the first liquid-level switch (27) and connect described control unit with second liquid-level switch (28) electric signal.
6. continuous filtration system according to claim 5, it is characterised in that the waste liquid pipeline (32), which is provided with, to be used to take out
Take the sewage pump of liquid phase and solid-phase mixture in the Water Tank (6)；
Liquid level gauge (33) is provided with the Water Tank (3)；The liquid level gauge is provided with the high liquid for starting the sewage pump
Position alarm, for starting the high liquid level warning of bubbling device and for stopping the low liquid level warning of sewage pump.
7. using the continuous filter method of the continuous filtration system as described in claim 1 to 6 any claim, its feature exists
In comprising the steps：
Online, the second filter (1B) is standby for first filter (1A)；
The inlet valve (21) of first filter (1A) is opened, outlet valve (23) is opened；Into on-line filtration state；
Liquid to be filtered phase materials containing solid phase enter the cavity of resorption of the first filter (1A) via the suction line (11),
Liquid phase therein enters in the filter core of filter from outside to inside, and the solid phase in material to be filtered is filtered off, and is adsorbed in the filter core
On；Liquid phase enters the epicoele of first filter (1A), and downstream is sent to via the outlet line (43)；
When first filter (1A) line duration reaches the import and export pressure differential in setting time or first filter (1A)
When reaching setting value, described control unit opens the inlet valve (21) and outlet valve (23) of second filter (1B), closes
The inlet valve (21) and outlet valve (23) of first filter (1A)；Now the second filter (1B) on-line filtration, first filter
(1A) carries out blowback cleaning offline；
Operation principle phase of the operation principle with the first filter (1A) when online when second filter (1B) is online
Together；
The blowback step of the first filter (1A) is as follows：
Control unit opens the tapping valve (26) of first filter (1A), and the liquid phase of intracavitary is via described in first filter (1A)
Tapping line (46) is discharged, interior into the Water Tank (3), discharge opeing height is controlled by the first liquid-level switch, when the first filtering
When liquid level in device (1A) is down to setting value, control unit closes the tapping valve (26), opens connection first filter (1A)
Back-flushing valve (24), pour compressed gas to the upper intracavitary of the first filter；
When the pressure in the first filter (1A) reaches setting value, control unit opens the blowoff valve (22), is pressing
In the presence of contracting gas pressure, first filter (1A) is internally formed back flush explosion gas-liquid flow, is deposited in filter core outer surface
Solid phase impurity in the presence of high-speed gas-liquid stream, rushed at the Water Tank (3)；
Described control unit closes the back-flushing valve (24) and the blowoff valve (22), and blowback terminates；
Described control unit opens the inlet valve (21) and air bleeding valve (25) of first filter (1A), and first filter (1A) is entered
Row topping up filler；When the liquid level in first filter (1A) reaches setting height, the inlet valve of first filter (1A) is closed
(21) and air bleeding valve (25), the first filter (1A) enter stand-by state；
When described control unit is connected to the switching signal of second filter (1B), the first filter (1A) is opened
Inlet valve (21) and outlet valve (23) are reached the standard grade and filtered, and close the inlet valve (21) and outlet valve of second filter (1B)
(23), second filter (1B) offline, carries out blowback and topping up filler program successively；
The blowback and topping up filler of second filter (1B) blowback and topping up filler program with the first filter (1A)
Program is identical；
The first filter (1A) and second filter (1B) are alternately reached the standard grade, and realize the continuous filtering of material to be filtered.
8. continuous filter method according to claim 7, it is characterised in that the gas-liquid-solid entered in the Water Tank (3) mixes
Compound is separated in the Water Tank (3)；
The gas phase isolated is discharged via the waste line；When the liquid level gauge (33) in the Water Tank (3) reaches high alarm
During liquid level, described control unit starts the bubbling device and worked, and bubbling in the liquid phase into Water Tank (3), makes solid suspension
Suspension is formed in the liquid phase；When high high liquid level warning occurs in liquid level gauge (33), described control unit starts the sewage pump
(6), the suspension in the Water Tank (3) is extracted out and delivers to downstream treatment systems；When low liquid level warning occurs in liquid level gauge (33)
When, described control unit closes the sewage pump (6), and closes the air intake valve (73) of compressed gas source (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710685686.6A CN107344035A (en) | 2017-08-11 | 2017-08-11 | A kind of continuous filtration system and filter method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710685686.6A CN107344035A (en) | 2017-08-11 | 2017-08-11 | A kind of continuous filtration system and filter method |
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| Publication Number | Publication Date |
|---|---|
| CN107344035A true CN107344035A (en) | 2017-11-14 |
Family
ID=60258066
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710685686.6A Pending CN107344035A (en) | 2017-08-11 | 2017-08-11 | A kind of continuous filtration system and filter method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108913592A (en) * | 2018-07-09 | 2018-11-30 | 上海天引生物科技有限公司 | A kind of organ storage in vitro and culture apparatus and its method |
| CN108993015A (en) * | 2018-09-27 | 2018-12-14 | 长江存储科技有限责任公司 | Filter device and its maintaining method |
| CN111871032A (en) * | 2020-07-03 | 2020-11-03 | 中科合成油技术有限公司 | Online filtration system of three-phase suspension bed |
| CN113198221A (en) * | 2021-04-30 | 2021-08-03 | 成都思达能环保设备有限公司 | Backwashing method of filter element |
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| CN108913592A (en) * | 2018-07-09 | 2018-11-30 | 上海天引生物科技有限公司 | A kind of organ storage in vitro and culture apparatus and its method |
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| CN113198221A (en) * | 2021-04-30 | 2021-08-03 | 成都思达能环保设备有限公司 | Backwashing method of filter element |
| CN113198221B (en) * | 2021-04-30 | 2023-03-03 | 成都思达能环保设备有限公司 | Backwashing method of filter element |
| CN113926244A (en) * | 2021-10-09 | 2022-01-14 | 上海卫星装备研究所 | Combined liquid nitrogen pump inlet filtering and online regenerating device and using method |
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