CN202387280U - Paraffin filter with automatic backwash function - Google Patents
Paraffin filter with automatic backwash function Download PDFInfo
- Publication number
- CN202387280U CN202387280U CN2011204848191U CN201120484819U CN202387280U CN 202387280 U CN202387280 U CN 202387280U CN 2011204848191 U CN2011204848191 U CN 2011204848191U CN 201120484819 U CN201120484819 U CN 201120484819U CN 202387280 U CN202387280 U CN 202387280U
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- China
- Prior art keywords
- pipe
- medium
- companion
- efferent duct
- paraffin
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Abstract
The utility model relates to a paraffin filter with an automatic backwash function, which comprises a medium output pipe, a medium input pipe and a discharge pipe. The medium output pipe, the medium input pipe and the discharge pipe are fixedly mounted on a support from top to bottom, a plurality of filter cartridges are mounted in parallel between the medium output pipe and the medium input pipe, normally open control valves are mounted in series between the filter cartridges and the medium input pipe, normally closed control valves are mounted in series between the filter cartridges and the discharge pipe, heating medium pipes communicated with each other are arranged in the medium output pipe, the medium input pipe and the discharge pipe, heating jackets cover the filter cartridges outside, the heating jackets are provided with heating inlets and heating outlets, and inner cavities of the heating jackets of the respective neighboring filter cartridges are connected in series via the heating inlet and the heating outlet. The paraffin filter with the automatic backwash function overcomes the shortages of low reliability and bad stability of common paraffin filters during long-periodic continuous operation in the prior art. Due to the above design, the paraffin filter with the automatic backwash function has the advantages of compact structure, convenience in washing, fine filtering effect, high automation degree and high reliability, and is capable of operating stably and continuously for long.
Description
Technical field
The utility model relates to a kind of paraffin press with automatic backwash function.
Background technology
Domestic hydrorefining paraffin wax device is mainly processed through the furfural solvent refining, subtracting two, subtract three-way scale wax after the benzol-kentone dewaxing.State's finished product paraffin at home and abroad is in great demand in market very much at present, is the important component part of each business economic benefit.Contain various impurity in the paraffin, can make heat exchanger or miscellaneous equipment fouling or obstruction on the one hand behind the access to plant, the heat exchange effect of heat exchanger falls and reduces in the pressure that increases equipment.The existence of mechanical admixture has influenced the running life of each pump mechanical seal significantly.The more important thing is that polymer such as solid particle and colloid gets into the refining reaction device in the paraffin, possibly pollute catalyst or make fouling of catalyst, green coke, reduction activity; Cause the reactor bed pressure drop to increase, thereby cause the generation of catalyst failure accident, labor is opened, idle time cost and catalyst costs; Influence the economic benefit of device, must take off contaminant filter to hydrogenating materials paraffin for this reason, heat radiation causes temperature to descend but existing paraffin press is because paraffin is in operation; Viscosity rises very fast, and the filter cake bonding is the jail, causes the flushing difficulty; Its long period is the poor stability of operation continuously, and reliability is low.
Summary of the invention
In order to overcome the poor stability that common paraffin press long period moves continuously in the prior art; The problem that reliability is low; The utility model provides a kind of paraffin press with automatic backwash function, but this has convenient, the good reliability long period continous-stable operation of compact conformation, the flushing of the paraffin press of automatic backwash function.
The utility model solves the technical scheme that its technical problem adopted: comprise the medium efferent duct, medium input pipe and the blow-off pipe that are fixedly mounted on the support from top to bottom; Be in parallel installed with a plurality of filter cylinders between medium efferent duct and the medium input pipe; Connect between filter cylinder and the medium input pipe and often open control valve; The normally closed control valve of connecting between filter cylinder and the blow-off pipe is provided with companion's thermal medium pipe in medium efferent duct, medium input pipe and blow-off pipe.
Companion's thermal medium pipe in medium efferent duct, medium input pipe and the blow-off pipe is interconnected, and the inlet of companion's thermal medium pipe is inserted by the medium efferent duct, and the outlet of companion's thermal medium pipe is picked out by blow-off pipe.
Outside the housing of filter cylinder, coat companion's thermal jacket, companion's thermal jacket is provided with companion's hot joining inlet and the outlet of companion's hot joining, connects through companion's hot joining inlet and companion's hot joining outlet series connection between the inner chamber of companion's thermal jacket of each adjacent filter cylinder.
Companion's hot joining inlet of the first filter cylinder in a plurality of filter cylinders is communicated with the port of export of companion's hot joining outlet connection companion thermal medium pipe of the arrival end of companion's thermal medium pipe, last filter cylinder.
The medium efferent duct is provided with the master and purges mouth, and blow-off pipe is provided with the secondary mouth that purges, and medium efferent duct and medium input pipe are provided with the differential manometer interface that is associated.
The utility model is through above-mentioned concrete design, but has compact conformation, flushing convenience, good filtration effect, automaticity is high, good reliability long period continous-stable moves advantage.
Description of drawings
The detailed content of the utility model is described below in conjunction with accompanying drawing and embodiment.
Fig. 1 is the structural representation of the utility model.
Fig. 2 is the side view of Fig. 1.
Fig. 3 be Fig. 1 A portion cutaway view Amplified image.
Fig. 4 is the structural representation of filter cylinder in the utility model.
The specific embodiment
As shown in the figure; The utility model comprises medium efferent duct 2, medium input pipe 3 and the blow-off pipe 4 that is fixedly mounted on the support 1 from top to bottom; Be in parallel installed with a plurality of filter cylinders 5 between medium efferent duct 2 and the medium input pipe 3, connect between filter cylinder 5 and the medium input pipe 3 and often open control valve 6, the normally closed control valve 7 of connecting between filter cylinder 5 and the blow-off pipe 4; In medium efferent duct 2, medium input pipe 3 and blow-off pipe 4, be provided with companion's thermal medium pipe 8, companion's thermal medium pipe 8 can reduce and keep the viscosity of paraffin.Companion's thermal medium pipe 8 in medium efferent duct 2, medium input pipe 3 and the blow-off pipe 4 is interconnected, and the inlet 9 of companion's thermal medium pipe 8 is inserted by medium efferent duct 2, and the outlet 10 of companion's thermal medium pipe 8 is picked out by blow-off pipe 4.Outside the housing 11 of filter cylinder 5, coat companion's thermal jacket 12, companion's thermal jacket 12 is provided with companion's hot joining inlet 13 and companion's hot joining outlet 14, connects through companion's hot joining inlet 13 and companion's hot joining outlet 14 series connection between the inner chamber of companion's thermal jacket 12 of each adjacent filter cylinder 5.According to paraffin viscosity rerum natura characteristics, control gets into the steam consumption of chuck 12, keeps the paraffin oil temperature in certain particular range, can reduce and keep paraffin viscosity, paraffin viscosity is beneficial to most filters and backwash.Companion's hot joining inlet 13 of first filter cylinder 5A in a plurality of filter cylinders 5 is communicated with the port of export of companion's hot joining outlet 14 connection companion thermal medium pipes 8 of the arrival end of companion's thermal medium pipe 8, last filter cylinder 5B.Medium efferent duct 2 is provided with the master and purges mouth 15, and blow-off pipe 4 is provided with the secondary mouth 16 that purges, and medium efferent duct 2 is provided with the differential manometer interface 17 that is associated with medium input pipe 3.In the utility model, in each filter cylinder 5 many filter cores 18 are housed; The wedge shape that filter core 18 adopts the 316L stainless steel to be made into is twined silk filter core (25 μ m～50 μ m); The combined filtering operation pressure reduction regulation and control (design of 1KPa～500KPa); Reach 99% greater than (25 μ m～50 μ m) particulate removal rate in the control paraffin, realize controlling exactly paraffin impurity particle degree and operating index requirement continuously.Micro gap between the wedge type silk forms section and helps backwash.During the filter bringing normally into operation; The control valve 6 of often opening of connecting between filter cylinder 5 and the medium input pipe 3 is opened; The normally closed control valve 7 of connecting between filter cylinder 5 and the blow-off pipe 4 is closed; The paraffin medium gets into through the medium input pipe 3 that has companion's thermal medium pipe 8 and has in the filter cylinder 5 of accompany thermal jacket 12, and the paraffin medium is from passing through the many filter cores 18 the filter cylinder 5 down, by the outer surface of filter core the particle foreign material in the raw material is intercepted; Clean liquid is sent into reactor or container by interior discharge through the medium efferent duct 2 that has companion's thermal medium pipe 8.Along with the aggregation of holding back on the filter core 18 increases, the differential pressure between medium input pipe 3 and the medium efferent duct 2 increases gradually, and when this differential pressure reached a certain setting value, filter got into the backwash duty.The feedstock oil that has filtered utilizes self pressure reverse flow when filtering, and the solid particle of piling up on the filter core 18 is rinsed out.Main on the medium efferent duct 2 purge mouthfuls 15 and blow-off pipe 4 on pair purge mouthfuls 16 and connect steam pipe line, supply to go into operation or when safeguarding to coagulating the anti-usefulness of sweeping of wax, sump oil is entered out-of-bounds in the slop tank by blow-off pipe 4.The utility model filter is furnished with differential pressure transmitter and PLC, and when the fluid differential pressure of filter media input pipe 3 and medium efferent duct 2 reached setting value, differential pressure transmitter outputed signal to PLC; PLC output signal can drive on-the-spot explosion-proof solenoid valve; Explosion-proof solenoid valve transfers gas signal starting executing agency to by the signal of telecommunication and switches wherein one group of control valve, promptly often opens control valve 6 and closes, and normally closed control valve 7 is opened; Utilize the feedstock oil and self pressure that have filtered from inside to outside filter core 18 to be carried out back flush; After this group recoil was accomplished, control valve resetted immediately, and carries out one by one in order.After treating that the recoil of this row finishes, the PLC follow procedure drives the next column filter and carries out backwash, and the rest may be inferred, and after treating whole system all recoil finishing, the differential pressure of system returns to normal operating conditions, and arrives to signal next time.Above-described embodiment describes the preferred implementation of the paraffin press that the utlity model has the automatic backwash function; Be not that design and scope to utility model limits; Under the prerequisite that does not break away from the utility model scheme; Various external form modification and improvement that those skilled in the art make the technical scheme of the utility model all should fall into the protection domain of the paraffin press that the utlity model has the automatic backwash function.
Claims (7)
1. paraffin press with automatic backwash function; Comprise the medium efferent duct, medium input pipe and the blow-off pipe that are fixedly mounted on the support from top to bottom; Be in parallel installed with a plurality of filter cylinders between medium efferent duct and the medium input pipe; Connect between filter cylinder and the medium input pipe and often open control valve, the normally closed control valve of connecting between filter cylinder and the blow-off pipe is characterized in that in medium efferent duct (2), medium input pipe (3) and blow-off pipe (4), being provided with companion's thermal medium pipe (8).
2. the paraffin press with automatic backwash function according to claim 1; It is characterized in that the companion's thermal medium pipe (8) in medium efferent duct (2), medium input pipe (3) and the blow-off pipe (4) is interconnected; The inlet (9) of companion's thermal medium pipe (8) is inserted by medium efferent duct (2), and the outlet (10) of companion's thermal medium pipe (8) is picked out by blow-off pipe (4).
3. the paraffin press with automatic backwash function according to claim 1 and 2; It is characterized in that outside the housing (11) of filter cylinder (5), coating companion's thermal jacket (12); Companion's thermal jacket (12) is provided with companion's hot joining inlet (13) and companion's hot joining outlet (14), connects through companion's hot joining inlet (13) and companion's hot joining outlet (14) series connection between the inner chamber of companion's thermal jacket (12) of each adjacent filter cylinder (5).
4. the paraffin press with automatic backwash function according to claim 3 is characterized in that companion's hot joining inlet (13) of the first filter cylinder (5A) in a plurality of filter cylinders (5) is communicated with the port of export of companion's hot joining outlet (14) connection companion's thermal medium pipe (8) of the arrival end of companion's thermal medium pipe (8), last filter cylinder (5B).
5. the paraffin press with automatic backwash function according to claim 1 and 2; It is characterized in that medium efferent duct (2) is provided with main purge mouthful (15); Blow-off pipe (4) is provided with secondary purge mouthful (16), and medium efferent duct (2) and medium input pipe (3) are provided with the differential manometer interface (17) that is associated.
6. the paraffin press with automatic backwash function according to claim 3; It is characterized in that medium efferent duct (2) is provided with main purge mouthful (15); Blow-off pipe (4) is provided with secondary purge mouthful (16), and medium efferent duct (2) and medium input pipe (3) are provided with the differential manometer interface (17) that is associated.
7. the paraffin press with automatic backwash function according to claim 4; It is characterized in that medium efferent duct (2) is provided with main purge mouthful (15); Blow-off pipe (4) is provided with secondary purge mouthful (16), and medium efferent duct (2) and medium input pipe (3) are provided with the differential manometer interface (17) that is associated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204848191U CN202387280U (en) | 2011-11-29 | 2011-11-29 | Paraffin filter with automatic backwash function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204848191U CN202387280U (en) | 2011-11-29 | 2011-11-29 | Paraffin filter with automatic backwash function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202387280U true CN202387280U (en) | 2012-08-22 |
Family
ID=46662233
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204848191U Withdrawn - After Issue CN202387280U (en) | 2011-11-29 | 2011-11-29 | Paraffin filter with automatic backwash function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202387280U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500150A (en) * | 2011-11-29 | 2012-06-20 | 温州菲德石化科技有限公司 | Automatic back-washing filter for paraffin |
| CN103007607A (en) * | 2012-11-27 | 2013-04-03 | 飞潮（无锡）过滤技术有限公司 | Multi-shell pulsation back wash filter |
| CN104759126A (en) * | 2014-01-06 | 2015-07-08 | 青岛瀚通水处理科技有限公司 | Backwashing water processor |
-
2011
- 2011-11-29 CN CN2011204848191U patent/CN202387280U/en not_active Withdrawn - After Issue
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102500150A (en) * | 2011-11-29 | 2012-06-20 | 温州菲德石化科技有限公司 | Automatic back-washing filter for paraffin |
| CN102500150B (en) * | 2011-11-29 | 2014-04-23 | 温州菲德石化科技有限公司 | Automatic back-washing filter for paraffin |
| CN103007607A (en) * | 2012-11-27 | 2013-04-03 | 飞潮（无锡）过滤技术有限公司 | Multi-shell pulsation back wash filter |
| CN104759126A (en) * | 2014-01-06 | 2015-07-08 | 青岛瀚通水处理科技有限公司 | Backwashing water processor |
| CN104759126B (en) * | 2014-01-06 | 2016-08-17 | 青岛瀚通水处理科技有限公司 | A kind of backwashing water processor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20120822 Effective date of abandoning: 20140423 |
|
| RGAV | Abandon patent right to avoid regrant |