CN204815874U - Automatic back flush filtration system of residual oil - Google Patents

Automatic back flush filtration system of residual oil Download PDF

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Publication number
CN204815874U
CN204815874U CN201520538909.2U CN201520538909U CN204815874U CN 204815874 U CN204815874 U CN 204815874U CN 201520538909 U CN201520538909 U CN 201520538909U CN 204815874 U CN204815874 U CN 204815874U
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China
Prior art keywords
residual oil
efferent duct
input pipe
displacement liquid
back flush
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CN201520538909.2U
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Chinese (zh)
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王友亮
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WENZHOU FEIDE PETROCHEMICAL TECHNOLOGY Co Ltd
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WENZHOU FEIDE PETROCHEMICAL TECHNOLOGY Co Ltd
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Abstract

The utility model discloses a residual oil back flush filtration system, including the back flush filter, be provided with feed inlet and discharge gate on the back flush filter, the hookup has residual oil input tube, sediment oil output pipe, replacement liquid input tube, replacement liquid output tube on the back flush filter, the residual oil input tube is connected on the feed inlet of back flush filter with replacement liquid input tube, sediment oil output pipe and replacement liquid output tube connected are on the discharge gate of back flush filter, all be provided with the control valve on feed inlet, discharge gate, residual oil input tube, sediment oil output pipe, replacement liquid input tube and the replacement liquid output tube, its technical essential lies in: the oil tank is washed in the hookup on the replacement liquid output tube, the upper end of washing the oil tank is connected with air escape pipe and pressure pipe, aim at providing an anti - washing effect good, clean and filtrate the residual oil back flush filtration system that the effect is high.

Description

Residual oil automatic back flush filtration system
Technical field
The utility model relates to a kind of filtration system, and more particularly, it relates to a kind of residual oil back-flushing filtering system.
Background technology
Backwash filter, is that a kind of filter screen that utilizes directly tackles impurity in water, removes water body recovery technology, particle; reduce turbidity; purify water, reduce the generations such as system dirt, bacterium algae, corrosion, with the precision equipment purified water and other equipment of protection system normally work.Water enters self-cleaning filter body by water inlet, and due to intelligent (PLC, PAC) design, system can identify Impurity deposition degree automatically, to blowdown valve signal automatic pollution discharge.
Along with petroleum resources are day by day exhausted, deep processing, the technology making full use of valuable petroleum resources develop rapidly.Wherein residual oil weight-lightening is the important means of deep processing.Impurity in residual oil is the major obstacles of deep processing, must remove before residual oil enters hydrogenation reaction.Residual oil automatic backwashing filter is the plumbing arrangements of removing objectionable impurities.
At present, be disclose a kind of acid water automatic backwashing filter in the Chinese utility model patent of CN201310029321.X at application number, comprise controller and be fixedly mounted on the medium input pipe on support, displacement liquid input pipe and medium efferent duct, multiple filter cylinder is installed in parallel between medium input pipe and medium efferent duct, feed entrance of connecting between filter cylinder entrance point with medium input pipe valve, to connect between cartridge outlet end with medium efferent duct feed outlet port valve, to connect between displacement liquid input pipe with filter cylinder entrance point displacement liquid inlet valve, feed entrance valve and displacement liquid inlet valve are in parallel, cartridge outlet end connects integrated pipe by displacement liquid outlet valve, the two ends of integrated pipe arrange displacement liquid outlet main valve and backwash liquor entrance main valve respectively, displacement liquid outlet valve and feed outlet port valve are in parallel, filter cylinder entrance point connects blow-off pipe by backwash blowoff valve, backwash blowoff valve and feed entrance valve are in parallel.
When but the backwash filter structure in above-mentioned patent is applied in the middle of residual oil filtration, water can cause water as scouring media, oil mixing is difficult to be separated, residual oil can not use water to rinse after filtering, and slag oil viscosity is high, general backwash is difficult to the impurity on screen pack fully to dissolve removal, and backwash effect is poor.
Utility model content
For the deficiency that prior art exists, the purpose of this utility model is to provide the residual oil back-flushing filtering system that a kind of backwash effect is good, cleaning and filtering effect is high.
For achieving the above object, the utility model provides following technical scheme: a kind of residual oil back-flushing filtering system, comprise backwash filter, described backwash filter is provided with charging aperture and discharging opening, described backwash filter is connected with residual oil input pipe, residual oil efferent duct, displacement liquid input pipe, displacement liquid efferent duct, described residual oil input pipe and displacement liquid input pipe are connected on the charging aperture of backwash filter, described residual oil efferent duct and displacement liquid efferent duct are connected on the discharging opening of backwash filter, described charging aperture, discharging opening, residual oil input pipe, residual oil efferent duct, displacement liquid input pipe and displacement liquid efferent duct are all provided with control valve, wherein: described displacement liquid efferent duct is connected with flushing oil tank, the upper end of described flushing oil tank is connected with air discharge duct and force pipe.
The utility model is set to further: described discharging opening is also equipped with companion's thermal medium input pipe.
The utility model is set to further: described charging aperture is also equipped with companion's thermal medium efferent duct.
The utility model is set to further: described residual oil efferent duct is connected with steam input pipe.
The utility model is set to further: the steam pressure 1MPa of described steam input pipe.
Cross employing technique scheme, after force value in backwash filter exceedes preset value, residual oil input pipe cuts out, displacement liquid input pipe is opened, to the residual oil inputted in backwash filter in displacement liquid displacement backwash filter, residual oil in backwash filter replaces discharges from residual oil efferent duct, residual oil efferent duct is closed afterwards, displacement liquid efferent duct is opened, displacement liquid is full of flushing oil tank, utilize and rinse oil tank storage displacement liquid, and by forcing pipe to displacement liquid pressurization wherein, high pressure backwash is carried out to backwash filter, residual oil impurity in backwash filter is effectively cleaned, cleaning efficiency significantly improves.
Accompanying drawing explanation
Fig. 1 is the structural representation of the utility model residual oil back-flushing filtering system embodiment;
Fig. 2 is the front schematic view of single group backwash filter in the utility model residual oil back-flushing filtering system embodiment.
Fig. 3 is the side schematic view of single group backwash filter in the utility model residual oil back-flushing filtering system embodiment
Description of reference numerals: 1, frame; 2, backwash filter; 3, charging aperture; 4, discharging opening; 5, residual oil input pipe; 6, residual oil efferent duct; 7, displacement liquid input pipe; 8, displacement liquid efferent duct; 9, control valve; 10, oil tank is rinsed; 11, air discharge duct; 12, nitrogen pressure solenoid; 13, sump oil efferent duct; 14, steam input pipe; 15, control system; 16, pressure gauge connection; 17, pressure difference transmitter interface; 18, thermal medium input pipe is accompanied; 19, thermal medium efferent duct is accompanied; 20, backwash tube.
Detailed description of the invention
Referring to figs. 1 through Fig. 3, the utility model residual oil back-flushing filtering system embodiment is described further.
A kind of residual oil back-flushing filtering system, comprise backwash filter 2, usually arranging 3 backwash filters 2 is one group, be arranged in frame 1 side by side, described backwash filter 2 is provided with charging aperture 3 and discharging opening 4, pressure gauge is connected with between charging aperture 3 and discharging opening 4, as shown in Figure of description 2, differential pressure transmitter interface 17 can be offered on residual oil input pipe 5, residual oil delivery outlet 6 is offered pressure gauge connection 16, by Bonding pressure table meter on these two interfaces, thus the pressure differential measured between charging aperture 3 and discharging opening 4, thus judge the filter network state in backwash filter 2.Described backwash filter 2 is connected with residual oil input pipe 5, residual oil efferent duct 6, displacement liquid input pipe 7, displacement liquid efferent duct 8, described residual oil input pipe 5 and displacement liquid input pipe 7 are connected on the charging aperture 3 of backwash filter 2, described residual oil efferent duct 6 and displacement liquid efferent duct 8 are connected on the discharging opening 4 of backwash filter 2, described charging aperture 3, residual oil input pipe 5, residual oil efferent duct 6, displacement liquid input pipe 7, displacement liquid efferent duct 8 is provided with control valve 9, this control valve 9 is preferably set to magnetic valve, by connection control system in frame 15, numerical value in pressure gauge is sent to control system, by the switch of control system 15 Controlling solenoid valve, thus play automatic control.Wherein: described displacement liquid efferent duct 8 is connected with flushing oil tank 10, the upper end of described flushing oil tank 10 is connected with air discharge duct 11 and nitrogen pressure solenoid 12.See Figure of description 2, be also connected with sump oil efferent duct 18 at the right-hand member of residual oil input pipe 5, displacement liquid, after backwash, is discharged from sump oil efferent duct 18.Displacement liquid is effectively avoided to pollute other pipelines.
Principle of the present utility model is: after the force value in backwash filter 2 exceedes preset value, residual oil input pipe 5 cuts out, displacement liquid input pipe 7 is opened, to the residual oil inputted in backwash filter 2 in displacement liquid displacement backwash filter 2, residual oil in backwash filter 2 replaces discharges from residual oil efferent duct 6, residual oil efferent duct 6 is closed afterwards, displacement liquid efferent duct 8 is opened, displacement liquid is full of and rinses oil tank 10, flushing oil tank 10 is utilized to store displacement liquid, and by forcing pipe to displacement liquid pressurization wherein, high pressure backwash is carried out to backwash filter 2, residual oil impurity in backwash filter 2 is effectively cleaned, cleaning efficiency significantly improves, rinsed by the screen pack of displacement liquid to back flushing device, and first back flushing device is soaked a period of time before rinsing, thus reduce slag oil viscosity in backwash filter 2, thus greatly improve the backwash cleaning effect of this backwash filter 2.
As improvement, known see Figure of description 1, displacement liquid efferent duct 8 is connected to the middle and upper part rinsing oil tank 12, in the bottom rinsing oil tank 12, also a backwash tube 20 preferably can be set, this backwash tube 20 other end is attached to discharging opening, displacement liquid enters from displacement liquid efferent duct 8 and rinses oil tank 12, and when backwash, carries out backwash by the backwash tube 20 pairs of backwash filters rinsed bottom oil tank 12.
Preferably, described discharging opening 3 is also equipped with companion's thermal medium input pipe 18, described charging aperture 4 is also equipped with companion's thermal medium efferent duct 19.Utilize input companion thermal medium in companion's thermal medium input pipe 18, as hot water etc., to the residual oil intensification heating in backwash filter 2, reduce the viscosity of residual oil, improve filter effect.Described residual oil efferent duct 6 is connected with steam input pipe 14.The steam pressure 1MPa of described steam input pipe 14.Go into operation at equipment, stop using, clean thoroughly when reloading.
The foregoing is only preferred embodiment of the present utility model, be not limited to the utility model, all within design concept of the present utility model, any amendment done, equivalent replacement, improvement etc., all should be included within protection domain of the present utility model.

Claims (5)

1. a residual oil back-flushing filtering system, comprise backwash filter, described backwash filter is provided with charging aperture and discharging opening, described backwash filter is connected with residual oil input pipe, residual oil efferent duct, displacement liquid input pipe, displacement liquid efferent duct, described residual oil input pipe and displacement liquid input pipe are connected on the charging aperture of backwash filter, described residual oil efferent duct and displacement liquid efferent duct are connected on the discharging opening of backwash filter, described charging aperture, discharging opening, residual oil input pipe, residual oil efferent duct, displacement liquid input pipe and displacement liquid efferent duct are all provided with control valve, it is characterized in that: described displacement liquid efferent duct is connected with flushing oil tank, the upper end of described flushing oil tank is connected with air discharge duct and force pipe.
2. residual oil back-flushing filtering system according to claim 1, is characterized in that: described discharging opening is also equipped with companion's thermal medium input pipe.
3. residual oil back-flushing filtering system according to claim 2, is characterized in that: described charging aperture is also equipped with companion's thermal medium efferent duct.
4. residual oil back-flushing filtering system according to claim 3, is characterized in that: described residual oil efferent duct is connected with steam input pipe.
5. residual oil back-flushing filtering system according to claim 4, is characterized in that: the steam pressure of described steam input pipe is 1MPa.
CN201520538909.2U 2015-07-23 2015-07-23 Automatic back flush filtration system of residual oil Active CN204815874U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520538909.2U CN204815874U (en) 2015-07-23 2015-07-23 Automatic back flush filtration system of residual oil

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520538909.2U CN204815874U (en) 2015-07-23 2015-07-23 Automatic back flush filtration system of residual oil

Publications (1)

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CN204815874U true CN204815874U (en) 2015-12-02

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105126429A (en) * 2015-07-23 2015-12-09 温州菲德石化科技有限公司 Residual oil back-wash filtering system and residual oil back-wash filtering method
CN112915632A (en) * 2021-01-27 2021-06-08 国家能源集团宁夏煤业有限责任公司 Filter device, quenching oil system and cleaning method of filter device

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105126429A (en) * 2015-07-23 2015-12-09 温州菲德石化科技有限公司 Residual oil back-wash filtering system and residual oil back-wash filtering method
CN105126429B (en) * 2015-07-23 2017-11-28 温州菲德石化科技有限公司 Residual oil back-flushing filtering system and filter method
CN112915632A (en) * 2021-01-27 2021-06-08 国家能源集团宁夏煤业有限责任公司 Filter device, quenching oil system and cleaning method of filter device

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