CN203075725U - Scraping disc filtering device applied to PTA (pure terephthalic acid) industrial sewage treatment - Google Patents
Scraping disc filtering device applied to PTA (pure terephthalic acid) industrial sewage treatment Download PDFInfo
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- CN203075725U CN203075725U CN 201220749402 CN201220749402U CN203075725U CN 203075725 U CN203075725 U CN 203075725U CN 201220749402 CN201220749402 CN 201220749402 CN 201220749402 U CN201220749402 U CN 201220749402U CN 203075725 U CN203075725 U CN 203075725U
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Abstract
The utility model relates to a scraping disc filtering device applied to PTA (pure terephthalic acid) industrial sewage treatment. The device comprises a shell, wherein the upper part of the shell is provided with a material inlet and a driving device; the shell is internally provided with a piston rod, a scraping disc and a filtering element; the driving device is connected with the scraping disc through the piston rod; the filtering element is positioned between the scraping disc and the shell; the lower part of the shell is provided with a purified liquid outlet, a slagging opening and a slag collecting chamber; materials enter the shell from the material inlet and fill the whole cavity body; a purified liquid passes through the filtering element under the effect of pressure, and enters a purified liquid tank from a purified liquid outlet; the driving device enables the scraping disc to move in an up-and-down reciprocating mode through the piston rod so as to remove filter slags collected on the inner surface of the filtering element; the filter slags are led into a slag material tank from the slagging opening; and the filtered purified liquid also can be controlled to backflush the filtering element so as to guarantee that a filter material can be used stably for a long time. The scraping disc filtering device applied to PTA industrial sewage treatment provided by the utility model is high in filtering accuracy, high in operation elasticity, easy to maintain and operate, safe, stable, and high in treatment efficiency.
Description
Technical field
The utility model relates to a kind of scraping disc filter, relate in particular to a kind of filtering accuracy height, operating flexibility greatly, for ease of maintenaince the operation, safety and stability the scraping disc filter that is applied to the wastewater treatment of PTA industry.
Background technology
The PTA(p-phthalic acid) be the important material of producing products such as synthetic resin, polyster fibre, in recent years because domestic PET(polyester) etc. industry to increasing sharply that PTA requires, the output of domestic PTA is also increasing year by year.Its general production technology is: earlier by the smart high-temperature oxydation of paraxylene (PX), make crude terephthalic acid (CTA), again CTA hydrofinishing is become PTA.Wherein, the production technology of PTA refined unit need use a large amount of deionized waters as solvent, most of deionized water leaves main technological process with the mother liquor form, and this refining sewage has that flow is big, chemical oxygen consumption (COC) (COD) is high, solid content is high and reluctant characteristics.Owing to contain byproduct of reaction in the mother liquor, mother need be set reclaim the unit admittedly, the organic matter in the mother liquor is reclaimed, to reduce resource consumption.
The utility model content
At the problems referred to above, main purpose of the present utility model be to provide a kind of filtering accuracy height, operating flexibility greatly, the scraping disc filter that is applied to the wastewater treatment of PTA industry of operation, safety and stability for ease of maintenaince.
The utility model solves above-mentioned technical problem by following technical proposals: the scraping disc filter of a kind of PTA of being applied to industry wastewater treatment, described scraping disc filter comprises: housing, housing top is provided with drive unit and feed zone, be provided with piston rod, scraping disc and filter core in the housing inner chamber, the clutch end of drive unit connects piston rod, the lower end of piston rod is connected with scraping disc after passing feed zone, the housing middle part is a filtration barrel body, and filter core is between scraping disc and filtration barrel body; Lower housing portion is provided with slag trapping chamber;
Described case top is provided with material inlet, and housing bottom is provided with purified liquor outlet and slag-drip opening, and material inlet is connected with the waste water supplied materials via pump installation, and purified liquor outlet is divided into two branch roads, and two branch roads are connected with clear liquid jar and purge tank respectively, and slag-drip opening is connected with the slag charge jar.
In specific embodiment of the utility model, described drive unit adopts cylinder driver or adopts fluid pressure drive device or adopt motor driver.
In specific embodiment of the utility model, described filter core adopts the wedge shape net or adopts the circular hole net.
In specific embodiment of the utility model, the seal form between described piston rod and the housing adopts spring sealed circle sealing or adopts packing seal or adopt magnetic seal.
Positive progressive effect of the present utility model is: the utility model and existing same device compare, scraping disc filter described in the utility model has the scraping disc structure, the filter residue that is trapped in the filter core inner surface in the filter process can in time strike off by pumping of scraping disc, simultaneously, filter core can also carry out online backflushing by the mistake cleaner liquid and wash operation, guarantee the stable use of filter material long period, solved conventional P TA industry waste water treatment process filter core flux instability, stop up easily, filtering accuracy is low, the cycle of operation is short, operating maintenance complicated technology problem.
Description of drawings
Fig. 1 is the scraping disc filter apparatus configuration schematic diagram that is applied to the wastewater treatment of PTA industry described in the utility model;
Among the figure: the 1-drive unit; 2-cylinder support; The 3-feed zone; The 4-piston rod; The 5-scraping disc; The 6-filtration barrel body; The 7-filter core; 8-slag trapping chamber; The 9-slag-drip opening; The 10-material inlet; The 11-purified liquor outlet.
Fig. 2 is the scraping disc filtering technique flow chart that is applied to the wastewater treatment of PTA industry described in the utility model;
Among the figure: the 100-flowmeter; The 20-differential manometer; 30-scraping disc filter; 40-clear liquid jar; 50-slag charge jar; The 60-purge tank; The 110-inlet valve; 12-clear liquid valve; The 13-residual cake valve; The 21-intake valve; The 22-liquid-filling valve; The 23-recoil valve.
The specific embodiment
Provide the utility model preferred embodiment below in conjunction with accompanying drawing, to describe the technical solution of the utility model in detail.
Scraping disc filter 30 of the present utility model comprises: housing, housing top is provided with drive unit 1 and feed zone 3, drive unit 1 is installed in feed zone 3 tops by cylinder support 2, be provided with piston rod 4, scraping disc 5 and filter core 7 in the housing inner chamber, the clutch end of drive unit 1 connects piston rod 4, the lower end of piston rod 4 is passed feed zone 3 backs and is connected with scraping disc 5, and filter core 7 is between scraping disc 5 and filtration barrel body 6; Lower housing portion is provided with slag trapping chamber 8;
The case top of scraping disc filter 30 is provided with material inlet 10, housing bottom is provided with purified liquor outlet 11 and slag-drip opening 9, material inlet 10 is connected with the waste water supplied materials via pump installation, and purified liquor outlet 11 is connected with purge tank 60 with clear liquid jar 40 respectively, and slag-drip opening 9 is connected with slag charge jar 50.
The drive unit 1 of scraping disc filter 30 adopts cylinder driver, also can adopt fluid pressure drive device or motor driver; Filter core 7 adopts the wedge shape net, also can adopt the circular hole net; The piston rod 4 of scraping disc filter 30 and the seal form between the housing adopt spring sealed circle sealing, also can adopt packing seal or magnetic seal; The material of scraping disc that contacts with filter core 7 is the elastomer material, including but not limited to polytetrafluoroethylene (PTFE) or polyurethane.
The scraping disc filtering technique of a kind of PTA of being applied to industry wastewater treatment comprises the steps:
Regulate inlet valve 110, waste water is through inlet valve 110 and flowmeter 100, material inlet 10 by scraping disc filter 30 is introduced enclosure interior and is full of whole cavity, under differential pressure action, clear liquid passes filter core 7 and enters into zone between filter core 7 and the filtration barrel body 6, and is drawn by the purified liquor outlet 11 of scraping disc filter 30.
At first open liquid-filling valve 22, will introduce purge tank 60 by the cleaner liquid of crossing that scraping disc filter 30 purified liquor outlets 11 are drawn; After purge tank 60 is filled, close liquid-filling valve 22, open clear liquid valve 12, the cleaner liquid of crossing that purified liquor outlet 11 is drawn is introduced clear liquid jar 40.
In filter process, the filter residue that accumulates in filter core 7 inner surfaces is removed by the scraping disc 5 that pumps, and the filter residue that strikes off is accumulated in slag trapping chamber 8, after system's pressure reduction reaches differential manometer 20 setting values, residual cake valve 13 is opened, and slag charge is introduced slag charge jar 50 by slag-drip opening 9.
Behind the scraping disc filter 30 operation some cycles, adopt cleaner liquid that filter core 7 is carried out backwash operation, during backwash operation, closed inlet valve 110 and clear liquid valve 12; Open intake valve 21 and recoil valve 23, open residual cake valve 13 simultaneously, introduce the gas of certain pressure by intake valve 21 in purge tank 60, clear liquid washes filter core 7 under gas pressure in the other direction, and flushing liquor is introduced slag charge jars 50 via residual cake valve 13.
The scraping disc 5 of scraping disc filter 30 adopts the manner of execution that strikes off continuously, the also manner of execution that can adopt cyclical intermission to strike off.During filter core 7 backwash operations, source of the gas adopts compressed air, also can adopt other Compressed Gas, and bleed pressure must not be less than 0.2MPa.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that describes in the foregoing description and the specification just illustrates principle of the present utility model; under the prerequisite that does not break away from the utility model spirit and scope; the utility model also has various changes and modifications; these changes and improvements all fall in claimed the utility model scope, and the claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. scraping disc filter that is applied to the wastewater treatment of PTA industry, it is characterized in that: described scraping disc filter comprises: housing, housing top is provided with drive unit and feed zone, be provided with piston rod, scraping disc and filter core in the housing inner chamber, the clutch end of drive unit connects piston rod, the lower end of piston rod is connected with scraping disc after passing feed zone, and the housing middle part is a filtration barrel body, and filter core is between scraping disc and filtration barrel body; Lower housing portion is provided with slag trapping chamber;
Described case top is provided with material inlet, and housing bottom is provided with purified liquor outlet and slag-drip opening, and material inlet is connected with the waste water supplied materials via pump installation, and purified liquor outlet is divided into two branch roads, and two branch roads are connected with clear liquid jar and purge tank respectively, and slag-drip opening is connected with the slag charge jar.
2. the scraping disc filter that is applied to the wastewater treatment of PTA industry according to claim 1 is characterized in that: described drive unit adopts cylinder driver or adopts fluid pressure drive device or adopt motor driver.
3. the scraping disc filter that is applied to the wastewater treatment of PTA industry according to claim 1 is characterized in that: described filter core adopts the wedge shape net or adopts the circular hole net.
4. the scraping disc filter that is applied to the wastewater treatment of PTA industry according to claim 1 is characterized in that: the seal form between described piston rod and the housing adopts spring sealed circle sealing or adopts packing seal or adopt magnetic seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749402 CN203075725U (en) | 2012-12-31 | 2012-12-31 | Scraping disc filtering device applied to PTA (pure terephthalic acid) industrial sewage treatment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220749402 CN203075725U (en) | 2012-12-31 | 2012-12-31 | Scraping disc filtering device applied to PTA (pure terephthalic acid) industrial sewage treatment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203075725U true CN203075725U (en) | 2013-07-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220749402 Expired - Lifetime CN203075725U (en) | 2012-12-31 | 2012-12-31 | Scraping disc filtering device applied to PTA (pure terephthalic acid) industrial sewage treatment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203075725U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041637A (en) * | 2012-12-31 | 2013-04-17 | 上海安赐机械设备有限公司 | Scraping disc filtering device applicable to wastewater treatment in PTA industry and technology |
| CN103861353A (en) * | 2014-04-03 | 2014-06-18 | 陈涛 | Liquid feeding device provided with buffer limiting pipeline section and connecting part with radial long and narrow slot |
| CN104096396A (en) * | 2014-08-08 | 2014-10-15 | 远诺过滤技术（上海）有限公司 | Filter device |
| CN107551629A (en) * | 2016-06-30 | 2018-01-09 | 上海威驰过滤系统有限公司 | Full-automatic ring scrapes filter |
| CN114288734A (en) * | 2022-01-08 | 2022-04-08 | 浙江凯德化工有限公司 | Automatic slag discharging structure of sewage filter |
-
2012
- 2012-12-31 CN CN 201220749402 patent/CN203075725U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103041637A (en) * | 2012-12-31 | 2013-04-17 | 上海安赐机械设备有限公司 | Scraping disc filtering device applicable to wastewater treatment in PTA industry and technology |
| CN103041637B (en) * | 2012-12-31 | 2015-12-23 | 上海安赐机械设备有限公司 | A kind of scraping disc filter and technique being applied to the wastewater treatment of PTA industry |
| CN103861353A (en) * | 2014-04-03 | 2014-06-18 | 陈涛 | Liquid feeding device provided with buffer limiting pipeline section and connecting part with radial long and narrow slot |
| CN104096396A (en) * | 2014-08-08 | 2014-10-15 | 远诺过滤技术（上海）有限公司 | Filter device |
| CN104096396B (en) * | 2014-08-08 | 2016-05-18 | 远诺过滤技术（上海）有限公司 | A kind of filter |
| CN107551629A (en) * | 2016-06-30 | 2018-01-09 | 上海威驰过滤系统有限公司 | Full-automatic ring scrapes filter |
| CN114288734A (en) * | 2022-01-08 | 2022-04-08 | 浙江凯德化工有限公司 | Automatic slag discharging structure of sewage filter |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201201 Shanghai, Pudong New Area Jin Tang Road, No. 2, block B, 145 Patentee after: SHANGHAI ANHORN ENVIRONMENTAL TECHNOLOGY Co.,Ltd. Address before: 201201 Shanghai, Pudong New Area Jin Tang Road, No. 2, block B, 145 Patentee before: SHANGHAI ANHORN MECHANICAL EQUIPMENT Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20130724 |