CN207980643U - A kind of novel PGO diesel oil overlay film back-flushing filtering system - Google Patents
A kind of novel PGO diesel oil overlay film back-flushing filtering system Download PDFInfo
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- CN207980643U CN207980643U CN201820053928.XU CN201820053928U CN207980643U CN 207980643 U CN207980643 U CN 207980643U CN 201820053928 U CN201820053928 U CN 201820053928U CN 207980643 U CN207980643 U CN 207980643U
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- prefilter
- overlay film
- pgo
- diesel oil
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Abstract
The utility model discloses a kind of novel PGO diesel oil overlay film back-flushing filtering systems, including prefilter one, prefilter two, coalescer, PGO feed pipes, flowline and filtrate pipe, the PGO feed pipes are connect with prefilter one and prefilter two, prefilter one and prefilter two are connect by filtrate pipe with coalescer, flowline is connected on coalescer, one side position of the prefilter one and prefilter two is equipped with overlay film tank, overlay film tank is connect by pipeline with prefilter one and prefilter two, clean diesel oil is stored in overlay film tank, overlay film tank is also connect with pre-coated membrane tube road, pre-coated membrane tube road is used for the conveying fiber tissue into overlay film tank, the utility model has the beneficial effects that：Sundries blocks filter core before capable of preventing blowback again while improving filtering accuracy so that blowback is easy, and filter effect is apparent, extends entire filter plant and system service life.
Description
Technical field
The utility model is related to a kind of filtration system, specifically a kind of novel PGO diesel oil overlay film back-flushing filtering system.
Background technology
PGO diesel oil filterings system easily blocks at present, and blowback effect is undesirable, and poor filtration effect, equipment life is short, and the energy disappears
Consumption is big.
Invention content
It is above-mentioned to solve the purpose of this utility model is to provide a kind of novel PGO diesel oil overlay film back-flushing filtering system
The problem of being proposed in background technology.
To achieve the above object, the utility model provides the following technical solutions：
A kind of novel PGO diesel oil overlay film back-flushing filtering system, including prefilter one, prefilter two, coalescer,
PGO feed pipes, flowline and filtrate pipe, the PGO feed pipes are connect with prefilter one and prefilter two, pre-filtering
Device one and prefilter two are connect by filtrate pipe with coalescer, and flowline, the prefilter one are connected on coalescer
It is equipped with overlay film tank with a side position of prefilter two, overlay film tank is connected by pipeline with prefilter one and prefilter two
It connects, clean diesel oil is stored in overlay film tank, overlay film tank is also connect with pre-coated membrane tube road, and pre-coated membrane tube road is used for into overlay film tank
Conveying fiber cotton or fibr tissue so that cellucotton forms one layer of filter on the surface of prefilter one and the filter core of prefilter two
Cake.
As further program of the utility model：The size ratio prefilter one and prefilter two of the fibr tissue
Filter core precision it is at least 15 microns big.
As the utility model further scheme：The prefilter one and prefilter two are returned with overlay film liquid simultaneously
Closed tube connects.
As the utility model further scheme：Blowback system is installed on the prefilter one and prefilter two
The bottom of system, prefilter one and prefilter two is equipped with slag-drip opening.
As the utility model further scheme：The progress synchronous with the blowback of prefilter two of prefilter one or friendship
For progress.
As the utility model further scheme：The overlay film tank is connect with evacuated tube.
Compared with prior art, the utility model has the beneficial effects that：It can be prevented again while improving filtering accuracy anti-
Sundries blocks filter core before blowing so that blowback is easy, and filter effect is apparent, extends entire filter plant and system service life, section
The about energy, while using two prefilters, one opens one standby, and system does not have to shut down, and reaches continuous filtering, reduces available material
Waste.
Description of the drawings
Fig. 1 is a kind of structural schematic diagram of novel PGO diesel oil overlay film back-flushing filtering system.
Fig. 2 is a kind of structural schematic diagram of prefilter one in novel PGO diesel oil overlay film back-flushing filtering system.
Fig. 3 is schematic enlarged-scale view at the A of Fig. 2.
In figure：The pre-coated membrane tube road 1- prefilters one, 2- prefilters two, 3- coalescers, 4-, 5-PGO feed pipes, 6-
Overlay film tank, 7- overlay film liquid recovery tube, 8- flowlines, 9- filtrate pipes, 10- evacuated tubes.
Specific implementation mode
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
The every other embodiment obtained, shall fall within the protection scope of the present invention.
Please refer to Fig.1~3, in the utility model embodiment, a kind of novel PGO diesel oil overlay film back-flushing filtering system, packet
Include prefilter 1, prefilter 22, coalescer 3, PGO feed pipes 5, flowline 8 and filtrate pipe 9, the PGO feed pipes
Road 5 is connect with prefilter 1 and prefilter 22, and prefilter 1 and prefilter 22 pass through filtrate pipe 9 and coalescence
Device 3 connects, and flowline 8 is connected on coalescer 3, gas-oil enters prefilter 1 and prefilter 22 carries out tentatively
It is entered in coalescer 3 after filtering, refined filtration is carried out to diesel oil by coalescer 3, diesel oil clean later can be flowed from flowline 8
Go out, a side position of the prefilter 1 and prefilter 22 is equipped with overlay film tank 6, overlay film tank 6 and prefilter 1 and
Prefilter 22 is connected by pipeline, and clean diesel oil is stored in overlay film tank 6, and overlay film tank 6 also connects with pre-coated membrane tube road 4
It connects, pre-coated membrane tube road 4 is used for conveying fiber cotton or fibr tissue into overlay film tank 6, when work, passes through pre-coated membrane tube road 4 first
Conveying fiber cotton or other fibr tissues into overlay film tank 6, after cellucotton is mixed in overlay film tank 6 with clean diesel oil
It is sent in prefilter 1 and prefilter 22, cellucotton is on the surface of prefilter 1 and the filter core of prefilter 22
One layer of filter cake can be formed, it, can be by bavin when carrying out coarse filtration using 23 pairs of diesel oil of prefilter 1 and prefilter in the later stage
Thick impurity in oil is filtered by filter cake, will not block filter core, while convenient for rinsing.
The size ratio prefilter 1 of the fibr tissue and the filter core precision of prefilter 22 are at least 15 microns big.
The prefilter 1 and prefilter 22 are connect with overlay film liquid recovery tube 7 simultaneously, for clean diesel oil
It is recycled with least a portion of fibr tissue.
Blowback system is installed on the prefilter 1 and prefilter 22, for clean, the pre- mistake by impurities purging
The bottom of filter 1 and prefilter 22 is equipped with slag-drip opening.
The overlay film tank 6 is connect with evacuated tube 10.
A kind of filter method of novel PGO diesel oil overlay film back-flushing filtering system, includes the following steps：
S1, by pre-coated membrane tube road into overlay film tank conveying fiber tissue, fibr tissue in overlay film tank with clean bavin
Oil is thoroughly mixed to form overlay film liquid, overlay film liquid is respectively fed in prefilter one and prefilter two later so that fiber
Group is woven in prefilter one and the surface of the filter core in prefilter two forms one layer of filter cake, and overlay film liquid is recycled by overlay film liquid
Pipe is recycled；
S2 after step S1 is carried out 2 ~ 3 hours, is arranged the overlay film liquid in prefilter one and prefilter two by evacuated tube
Then sky inputs gas-oil by PGO feed pipes into prefilter one and prefilter two, by prefilter one and in advance
After the filtering of filter two, impurity is trapped within filter cake surface, and diesel oil is entered in coalescer by filtrate pipe and carried out later
Refined filtration, the clean diesel oil that refined filtration obtains are exported by flowline 8；
S3, through operation after a period of time, after prefilter one and prefilter two reach blowback pressure difference, first by pre-filtering
Unfiltered material empties in device one and prefilter two, is first moistened to filter cake using clean diesel oil, later by anti-
System progress blowback is blown, filter cake and impurity pass through the slag-drip opening of prefilter one and prefilter two and is discharged；In step S3, pre- mistake
The progress synchronous with the blowback of prefilter two of filter one or alternately, it is ensured that the continuity of entire technological process.
Herein it should be noted that：Side line pipeline present in the technical program, the valve on pipeline, pump etc. are
Technical solution is set to be more clear, description is clearer, therefore does not illustrate to it, but not influence technique scheme is complete
Property.
It is obvious to a person skilled in the art that the present invention is not limited to the details of the above exemplary embodiments, and
And without departing substantially from the spirit or essential attributes of the utility model, it can realize that this practicality is new in other specific forms
Type.Therefore, in all respects, the present embodiments are to be considered as illustrative and not restrictive, this practicality is new
The range of type is indicated by the appended claims rather than the foregoing description, it is intended that containing in the equivalent requirements of the claims will be fallen
All changes in justice and range are embraced therein.Any reference numeral in claim should not be considered as limitation
Involved claim.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of novel PGO diesel oil overlay film back-flushing filtering system, including prefilter one（1）, prefilter two（2）, coalescence
Device（3）, PGO feed pipes（5）, flowline（8）And filtrate pipe（9）, the PGO feed pipes（5）With prefilter one（1）With
Prefilter two（2）Connection, prefilter one（1）With prefilter two（2）Pass through filtrate pipe（9）With coalescer（3）Connection,
Coalescer（3）On be connected with flowline（8）, which is characterized in that the prefilter one（1）With prefilter two（2）Side
Position is equipped with overlay film tank（6）, overlay film tank（6）With prefilter one（1）With prefilter two（2）It is connected, is covered by pipeline
Film tank（6）Inside store clean diesel oil, overlay film tank（6）Also with pre-coated membrane tube road（4）Connection, pre-coated membrane tube road（4）For to
Overlay film tank（6）Interior conveying fiber tissue so that cellucotton is in prefilter one（1）With prefilter two（2）Filter core surface
Form one layer of filter cake.
2. a kind of novel PGO diesel oil overlay film back-flushing filtering system according to claim 1, which is characterized in that the fibre
The size ratio prefilter one of dimensional tissue（1）With prefilter two（2）Filter core precision it is at least 15 microns big.
3. a kind of novel PGO diesel oil overlay film back-flushing filtering system according to claim 2, which is characterized in that described pre-
Filter one（1）With prefilter two（2）Simultaneously with overlay film liquid recovery tube（7）Connection.
4. a kind of novel PGO diesel oil overlay film back-flushing filtering system according to claim 3, which is characterized in that described pre-
Filter one（1）With prefilter two（2）On blowback system, prefilter one are installed（1）With prefilter two（2）Bottom
It is equipped with slag-drip opening.
5. a kind of novel PGO diesel oil overlay film back-flushing filtering system according to claim 4, which is characterized in that pre-filtering
Device one（1）With prefilter two（2）Blowback synchronize carry out or alternately.
6. a kind of novel PGO diesel oil overlay film back-flushing filtering system according to claim 5, which is characterized in that described to cover
Film tank（6）And evacuated tube（10）Connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820053928.XU CN207980643U (en) | 2018-01-12 | 2018-01-12 | A kind of novel PGO diesel oil overlay film back-flushing filtering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820053928.XU CN207980643U (en) | 2018-01-12 | 2018-01-12 | A kind of novel PGO diesel oil overlay film back-flushing filtering system |
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| CN207980643U true CN207980643U (en) | 2018-10-19 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126409A (en) * | 2018-01-12 | 2018-06-08 | 黑珀（上海）工业技术有限公司 | A kind of novel PGO diesel oil overlay film back-flushing filtering system and its filter method |
-
2018
- 2018-01-12 CN CN201820053928.XU patent/CN207980643U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108126409A (en) * | 2018-01-12 | 2018-06-08 | 黑珀（上海）工业技术有限公司 | A kind of novel PGO diesel oil overlay film back-flushing filtering system and its filter method |
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