CN104307234A - High-precision, full-automatic and high-pressure backwashing filter for ballast water treatment system - Google Patents
High-precision, full-automatic and high-pressure backwashing filter for ballast water treatment system Download PDFInfo
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- CN104307234A CN104307234A CN201410607305.9A CN201410607305A CN104307234A CN 104307234 A CN104307234 A CN 104307234A CN 201410607305 A CN201410607305 A CN 201410607305A CN 104307234 A CN104307234 A CN 104307234A
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Abstract
The invention relates to a high-precision, full-automatic and high-pressure backwashing filter for a ballast water treatment system. The high-precision, full-automatic and high-pressure backwashing filter for the ballast water treatment system comprises a filter shell, wherein a main shaft is arranged in the filter shell; a coarse filtering pollution discharging guide pipe device is arranged on the main shaft; a fine filtering barrel is arranged outside the coarse filtering pollution discharging guide pipe device; a coarse filtering motor and a fine filtering motor are arranged at the upper part of the filter shell; a fine filtering pollution suction pipe is arranged between the coarse filtering pollution discharging guide pipe device and the fine filtering barrel and is communicated with a fine filtering pollution discharging pipe in the main shaft; a fine filtering backwashing rotary arm is arranged outside the fine filtering barrel and is communicated with a high-pressure water inlet in the side wall of the filter shell; an upper opening and a lower opening of the coarse filtering pollution discharging guide pipe device can be both communicated with a coarse filtering pollution discharging channel in the main shaft through a coarse filtering backwashing pollution discharging guide pipe; the lower end of the main shaft is communicated with a coarse filtering pollution discharging opening; a high-pressure water outlet is formed in the side wall of the filter shell. The high-precision, full-automatic and high-pressure backwashing filter has the advantages of small relative size, large filtering area, low power consumption, high filtering efficiency, high filtering precision, good backwashing effect and long service life.
Description
Technical field
The invention belongs to the ballast water treatment technical field in boats and ships shipping process, is the crucial filter plant in ballast water treatment system.
Background technology
The trade in commodities in the world more than 80% is all by Shipping.Ballast water is the important guarantee of marine operation safety, it can ensure boats and ships safe, steadily and efficiently run.According to estimates, the ballast water that current global boats and ships carry nearly 12,000,000,000 tons every year, and along with the development of shipping business is still in cumulative year after year.But ballast water causes threat also to ecological environment, social economy and human health.Be present in the biology of travelling around the world with ship in ballast water for ship every day more than 4500 kinds.Migrate caused biotic intrusion and the epidemic transmission etc. of biology in seagoing vessel ballast water in worldwide occur repeatedly to the infringement event of marine environment and the mankind, have caused the extensive concern of international community.Therefore International Maritime Organization (IMO) has formulated " international convention about ballast water for ship and deposit thereof manage and control " (hereinafter referred to as " pact ") on February 13rd, 2004.This pact makes ballast water treatment system become the key equipment that International Maritime Organization's solar obligation is gone on board and " pass " that enter other countries harbour.The ballast water of all foreign-going ships all will meet discharge standard, just can enter object harbour.Therefore, the purified treatment correlation technique of seagoing vessel ballast water and the research of equipment and industrialization will have a direct impact China's shipping economy, the problem of each shipping enterprise in the urgent need to adopting correlation technique to solve ballast water for ship emission compliance.
In ship ballast water treatment system, to the filtration of ballast water be treatment system be substantially the most also treatment process that is most important and most critical.
Know through market survey, unit of global range Nei You 30 many enterprises is at research and development ballast water treatment system.From external product, the filter that this system is installed mainly is divided into two large classes:
1, German bohr filter is the product of main flow, formula filter element filtering of namely lighting up.Its occupation rate of market is greater than 50%.The advantage of its product is: aim at Ship's Ballast System design supporting.Have pressure reduction to control, automatic backwash technical advantage, filter area is comparatively large, volume is bigger than normal.Its inferior position is only having single filter simultaneously, and backwash is not thorough, and filter screen is perishable, easily blocks, and frequency of maintenance is high, expensive.
2, negative pressure straw cartridge filter.Its advantage is: backwash does not rely on water head-drop, and backwash effect is good.Shortcoming is: in unit volume, effective filtration area is little, and equal flow small product size is slightly large.
From the producer of domestic tens production ballast water treatment equipment, the filter dependence on import that most of producer selects.The filter usage of other form is less, and there is many problems, is mainly:
1) stable current (damage by water consumption is large) are needed;
2) single frit amount little (maximum 50-60m3/h), large discharge needs parallel combination, and volume macrostructure is complicated, and the biology close to density and water cannot be separated with impurity, there is the possibility lost efficacy.
Summary of the invention
The object of the invention is to overcome above deficiency, providing that a kind of relative volume is little, filter area is large, power consumption is little, filter efficiency is high, filtering accuracy is high, backwash effect is good, the ballast water treatment system high-precision full-automatic high-pressure backwash filter of long service life.
Object of the present invention is achieved through the following technical solutions: a kind of ballast water treatment system high-precision full-automatic high-pressure backwash filter, comprise filter shell, main shaft is provided with in filter shell, the bottom of filter shell is provided with filter import, main shaft is provided with coarse filtration filter core drain guide pipe device, the outside of coarse filtration drain guide pipe device is provided with essence filter filter cylinder, essence filter filter cylinder is enclosed within axle sleeve and is enclosed within main shaft, the top of filter shell is provided with coarse filtration motor and essence filter motor, coarse filtration driven by motor main axis, essence filter motor drives described axle sleeve to rotate by geared system, coarse filtration drain guide pipe device and essence filter filter cylinder are placed in same level height, essence filter dirt sucking tube is provided with between coarse filtration drain guide pipe device and essence filter filter cylinder, essence filter dirt sucking tube is filtered blow-off pipe with the essence in main shaft and is communicated, one end of essence filter blow-off pipe is placed in the outside of filter shell, the outer cover of essence filter filter cylinder has essence filter backwash spiral arm, essence filter backwash spiral arm is communicated with the water under high pressure import on filter shell sidewall by axle sleeve, essence filter dirt sucking tube and flushing spiral arm are all fixed on axle sleeve, each coarse filtration filter core inside of coarse filtration drain guide pipe device is equipped with coarse filtration guiding device, coarse filtration filter core all being communicated with main shaft by coarse filtration drain guide pipe up and down of coarse filtration filter core when main shaft rotates, the lower end of main shaft communicates with coarse filtration sewage draining exit, one end of coarse filtration sewage draining exit is placed in the outside of filter shell, the sidewall of filter shell is provided with high-pressure outlet.
Further improvement of the present invention is: described coarse filtration drain guide pipe device is filtered filter cylinder with essence and is placed in same filter chamber, and be in same position height, the backwash of coarse filtration drain guide pipe device and essence filter filter cylinder is individually controlled by described coarse filtration motor and essence filter motor respectively, for improving the filtering accuracy of filter and filtering the water yield, essence filter filter cylinder is placed in the outside of coarse filtration drain guide pipe device, wash back pressure for increasing coarse filtration filter-core back-flushing, improve coarse filtration filter-core back-flushing and wash effect.
Further improvement of the present invention is: described each coarse filtration filter core inside is provided with coarse filtration guiding device.
Further improvement of the present invention is: the top cover of described main shaft has photoelectricity dial, photoelectricity dial is other is provided with optoelectronic switch, the sidewall of filter shell is provided with coarse filtration differential pressure transmitter device and essence filter differential pressure transmitter device, by photoelectricity dial, optoelectronic switch, coarse filtration differential pressure transmitter device, essence filter differential pressure transmitter device and control circuit, realize the Automatic Control to filter backwash.
The present invention compared with prior art has the following advantages:
1, coarse filter element, smart filter cylinder are arranged in same body cavity inner height, and be in same position height, inner coarse filtration, outside essence filter, fully effectively utilize the limited inner space of filter and carry out classified filtering, and the backwash of coarse filtration filter core and essence filter filter cylinder is controlled respectively by two cleaning motors, greatly improves the filtering accuracy of filter and filters the water yield.Reach the purpose of design that filter area is large and small product size is little.It is outside that essence filter filter cylinder is located at coarse filtration filter core, increases coarse filtration filter-core back-flushing and wash back pressure, improves coarse filtration filter-core back-flushing and wash effect.
2, due to point coarse filtration and essence filter, main filtration task was completed in the coarse filtration stage, greatly reduces the workload of smart filter core, extend the service life of essence filter filter screen.
3, because smart filter core is outside at coarse filter element, the flushing back pressure of coarse filter element backwash can be increased, improve coarse filtration filter-core back-flushing and wash effect.
4, because essence filter high pressure nozzle and essence filter dirt sucking tube are in rotation, improve the cleaning performance of smart filter core.Coarse filter element is in smart filter cylinder simultaneously, filters in journey produce pressure drop in essence, is conducive to the backwash effect improving coarse filter element.
5, inner at coarse filtration filter core, add coarse filtration guiding device, greatly improve the filter efficiency of coarse filtration.
6, owing to having added coarse filtration differential pressure transmitter device, essence filter differential pressure transmitter device, photoelectricity dial and optoelectronic switch, in conjunction with control circuit, the Automatic Control of backwash can be reached.
7, the filter core key-course of coarse filtration, essence filter adopts the manufacture technics of the anticorrosion plating alloy of high-performance, long service life.
accompanying drawing illustrates:
Fig. 1 is structural representation of the present invention;
Number in the figure: 1-filter shell, 2-main shaft, the import of 3-filter, 4-coarse filtration drain guide pipe device, 5-essence filter filter cylinder, 6-essence filter dirt sucking tube, 7-essence filter backwash spiral arm, the import of 8-water under high pressure, 9-coarse filtration guiding device, 10-coarse filtration drain guide pipe, 11-coarse filtration sewage draining exit, 12-essence filter blow-off pipe, 13-axle sleeve, 14-coarse filtration motor, 15-essence filter motor, 16-geared system, 17-high-pressure outlet, 18-photoelectricity dial, 19-optoelectronic switch, 20-coarse filtration differential pressure transmitter device, 21-essence filter differential pressure transmitter device.
detailed description of the invention:
In order to deepen the understanding of the present invention, below in conjunction with embodiment and accompanying drawing, the invention will be further described, and this embodiment only for explaining the present invention, does not form limiting the scope of the present invention.
As Fig. 1 shows the detailed description of the invention of ballast water treatment system high-precision full-automatic high-pressure backwash filter of the present invention, comprise filter shell 1, main shaft 2 is provided with in filter shell 1, the bottom of filter shell 1 is provided with filter import 3, main shaft 2 is provided with coarse filtration drain guide pipe device 10, the outside of coarse filtration drain guide pipe device 4 is provided with essence filter filter cylinder 5, essence filter filter cylinder 5 is enclosed within main shaft 2 by axle sleeve 13, the top of filter shell 1 is provided with coarse filtration motor 14 and essence filter motor 15, coarse filtration motor 14 drives main shaft 2 to rotate, essence filter motor 15 drives axle sleeve 13 to rotate by geared system 16, coarse filtration drain guide pipe device 4 and essence filter filter cylinder 5 are placed in same level height, essence filter dirt sucking tube 6 is provided with between coarse filtration drain guide pipe device 4 and essence filter filter cylinder 5, essence filter dirt sucking tube 6 is filtered blow-off pipe 12 with the essence in main shaft 2 and is communicated, one end of essence filter blow-off pipe 12 is placed in the outside of filter shell 1, the outer cover of essence filter filter cylinder 5 has essence filter backwash spiral arm 7, essence filter backwash spiral arm 7 communicates with the water under high pressure import 8 on filter shell 1 sidewall, coarse filtration guiding device 9 is equipped with in each coarse filtration filter core of coarse filtration drain guide pipe device 4, all being communicated with main shaft 2 by coarse filtration drain guide pipe 10 up and down of any one coarse filtration filter core of coarse filtration drain guide pipe device 4, the lower end of main shaft 2 communicates with coarse filtration sewage draining exit 11, one end of coarse filtration sewage draining exit 11 is placed in the outside of filter shell 1, the sidewall of filter shell 1 is provided with high-pressure outlet 17, the top cover of main shaft 2 has photoelectricity dial 18, photoelectricity dial 18 is other is provided with optoelectronic switch 19, the sidewall of filter shell 1 is provided with coarse filtration differential pressure transmitter device 20 and essence filter differential pressure transmitter device 21.
The filter cavity that filter of the present invention comprises former water entrance, essence filter waste, coarse filtration waste and high pressure backwashing water are imported and exported, main shaft, cleaning motor, the backwash spiral arm with nozzle, essence filter soil pick-up spiral arm, coarse filtration filter core, essence filter filter cylinder, pressure difference switch and optoelectronic switch composition.Filter assemblies is made up of coarse filtration drain guide pipe device and essence filter filter cylinder, main shaft is hollow shaft, coarse filtration blowdown and essence filter blowdown are all discharged by axocoel, coarse filtration cleaning motor passes through pressure difference switch, optoelectronic switch, calibrated dial and control circuit control, essence filtering is washed motor and is controlled by pressure difference switch and control circuit, coarse filtration in existing filtration and essence filter are arranged in same filter chamber by apparatus of the present invention, and be in same position height, fully effectively utilize the inner space that filter is limited, and the backwash of coarse filtration filter core and essence filter filter cylinder is individually controlled by two cleaning motors, greatly improve the filter efficiency of filter and filter the water yield, and increase the functional reliability of coarse filtration and essence filter.Coarse filtration backwash passes through coarse filtration drain guide pipe by driven by motor Spindle control, essence filter back flushing nozzle is evenly distributed in and rinses on spiral arm, essence filter sewage discharge tube is evenly distributed on essence filter soil pick-up spiral arm, backwash spiral arm and soil pick-up spiral arm are connected on essence filter axle sleeve, filter motor by essence to be rotated together by gear driven, carry out the backwash of essence filter filter cylinder.Spindle cavity inside is separately provided with essence filter blow-off pipe and filters blowdown for essence, the blowdown of coarse filtration backwash and essence filter backwash is all discharged by cavity different in main shaft, axle sleeve is enclosed within main shaft, be connected to essence filter backwash high pressure water inlet, have cavity in axle sleeve, as essence filter backwash water channel, filter divides coarse filtration, essence filter cascade filtration, and the backwash of coarse filtration and essence filter is controlled respectively by different pressure difference switches, respective independent operating.Filter shell be provided with essence filter backwashing water import and export, essence filter backwashing water filtered by essence after water as backwash water source, be back to filter, greatly reduce backwash water consumption.
Operationally, as shown in the figure, the former water of ballast enters filter by filter import 3 to filter of the present invention, carries out single filter by coarse filtration drain guide pipe device 4.When coarse filtration drain guide pipe device 4 needs backwash to clean, under the effect of coarse filtration differential pressure transmitter device 21 and photoelectricity dial 18, optoelectronic switch 19 and control circuit, coarse filtration motor 14 drives main shaft 2 to rotate, and cleaning sullage enters main shaft pipeline by upper and lower coarse filtration mozzle 10 and discharges through coarse filtration sewage draining exit 11;
Water after coarse filtration, carries out the filter of secondary essence by peripheral essence filter filter cylinder 5.When essence filter filter cylinder 5 needs cleaning, under the effect that essence filters differential pressure transmitter device 20 and control circuit, essence filter motor 15 drives essence filter backwash spiral arm 7 and essence filter dirt sucking tube 6 to rotate, and high-pressure pump is washed in smart filtering and essence filter blowdown electrical ball valve is opened, and cleaning sullage is discharged by essence filter blow-off pipe 12.
High-precision full-automatic high-pressure backwash filter of the present invention, there is filter area large, filtering accuracy is high, unit volume filtration yield is large, water environment capacity is strong, floor space is little, backwash water consumption is few, and Automatic Control and the feature such as convenient for installation and maintenance, and what can meet various boats and ships completely installs and uses demand.
The flow direction that the flow direction that in figure, A is the flow direction of essence filter high pressure backwashing water, B is the flow direction of essence filter sewage backwash water, C is coarse filtration sewage backwash water, D are former water.
High-precision full-automatic high-pressure backwash filter of the present invention, there is filter area large, filtering accuracy is high, unit volume filtration yield is large, water environment capacity is strong, the area accounted for is little, the backwash water yield is few, and Automatic Control and the feature such as convenient for installation and maintenance, and what can meet various boats and ships completely installs and uses demand.
Claims (4)
1. a ballast water treatment system high-precision full-automatic high-pressure backwash filter, comprise filter shell (1), main shaft (2) is provided with in described filter shell (1), the bottom of described filter shell (1) is provided with filter import (3), it is characterized in that: described main shaft (2) is provided with coarse filtration drain guide pipe device (4), the outside of described coarse filtration drain guide pipe device (4) is provided with essence filter filter cylinder (5), described essence filter filter cylinder (5) is enclosed within described main shaft (2) by axle sleeve (13), the top of described filter shell (1) is provided with coarse filtration motor (14) and essence filter motor (15), described coarse filtration motor (14) drives described main shaft (2) to rotate, described essence filter motor (15) drives described axle sleeve (13) to rotate by geared system (16), described coarse filtration drain guide pipe device (4) and described essence filter filter cylinder (5) are placed in same level height, essence filter dirt sucking tube (6) is provided with between described coarse filtration drain guide pipe device (4) and essence filter filter cylinder (5), described essence filter dirt sucking tube (6) is filtered blow-off pipe (12) with the essence in described main shaft (2) and is communicated, one end of described essence filter blow-off pipe (12) is placed in the outside of described filter shell (1), the outside of described essence filter filter cylinder (5) is provided with essence filter backwash spiral arm (7), described essence filter backwash spiral arm (7) communicates with the water under high pressure import (8) on described filter shell (1) sidewall, each coarse filtration filter core inside of described coarse filtration drain guide pipe device (4) is equipped with coarse filtration guiding device (9), the upper and lower opening of described coarse filtration drain guide pipe device (4) each coarse filtration filter core when main shaft rotates all communicates with described main shaft (2) by coarse filtration drain guide pipe (10), the lower end of described main shaft (2) communicates with coarse filtration sewage draining exit (11), one end of described coarse filtration sewage draining exit (11) is placed in the outside of described filter shell (1), the sidewall of described filter shell (1) is provided with high-pressure outlet (17), described filter is provided with distribution box.
2. ballast water treatment system high-precision full-automatic high-pressure backwash filter according to claim 1, it is characterized in that: described coarse filtration drain guide pipe device (4) and described essence are filtered filter cylinder (5) and be placed in same filter chamber, and be in same position height, the backwash of described coarse filtration drain guide pipe device (4) and described essence filter filter cylinder (5) is controlled by described coarse filtration motor (14) and described essence filter motor (15) respectively, for improving the filtering accuracy of filter and filtering the water yield, described essence filter filter cylinder (5) is placed in the outside of described coarse filtration drain guide pipe device (4), back pressure is washed for increasing coarse filtration filter-core back-flushing, improve coarse filtration filter-core back-flushing and wash effect.
3. ballast water treatment system high-precision full-automatic high-pressure backwash filter according to claim 1, is characterized in that: each coarse filtration filter core inside of described coarse filtration drain guide pipe device (4) is equipped with coarse filtration guiding device (9).
4. ballast water treatment system high-precision full-automatic high-pressure backwash filter according to claim 1, it is characterized in that: the top cover of described main shaft (2) has photoelectricity dial (18), described photoelectricity dial (18) is other is provided with optoelectronic switch (19), the sidewall of described filter shell (1) is provided with coarse filtration differential pressure transmitter device (20) and essence filter differential pressure transmitter device (21), by photoelectricity dial (18), optoelectronic switch (19), coarse filtration differential pressure transmitter device (20), essence filter differential pressure transmitter device (21) and control circuit, realize the Automatic Control to filter backwash.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410607305.9A CN104307234B (en) | 2014-11-03 | 2014-11-03 | Ballast water treatment system high-precision full-automatic high-pressure backwash filter |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410607305.9A CN104307234B (en) | 2014-11-03 | 2014-11-03 | Ballast water treatment system high-precision full-automatic high-pressure backwash filter |
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| CN104307234A true CN104307234A (en) | 2015-01-28 |
| CN104307234B CN104307234B (en) | 2016-01-20 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469433A (en) * | 2017-09-08 | 2017-12-15 | 江苏南极机械有限责任公司 | Ballast water treatment system full-automatic high-pressure backwash filter |
| CN108096897A (en) * | 2018-02-08 | 2018-06-01 | 江苏优耐特过滤装备有限公司 | The more filtering element self-cleaning filters of suctorial type |
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| CN102784504A (en) * | 2012-08-26 | 2012-11-21 | 河北北洋水处理设备有限公司 | Automatic backwashing system in filtering device with multi filter drums |
| CN102861474A (en) * | 2012-05-22 | 2013-01-09 | 江苏博隆环保设备有限公司 | Water treatment equipment filter |
| CN204193606U (en) * | 2014-11-03 | 2015-03-11 | 南通海狮船舶机械有限公司 | Ballast water treatment system high-precision full-automatic high-pressure backwash filter |
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2014
- 2014-11-03 CN CN201410607305.9A patent/CN104307234B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000202497A (en) * | 1999-01-11 | 2000-07-25 | Nkk Corp | Sludge filtration concentrator device |
| US20080067119A1 (en) * | 2005-03-24 | 2008-03-20 | Ralf Wnuk | Filter Installation and Method for Operating One Such Filter Installation |
| CN102861474A (en) * | 2012-05-22 | 2013-01-09 | 江苏博隆环保设备有限公司 | Water treatment equipment filter |
| CN102784504A (en) * | 2012-08-26 | 2012-11-21 | 河北北洋水处理设备有限公司 | Automatic backwashing system in filtering device with multi filter drums |
| CN204193606U (en) * | 2014-11-03 | 2015-03-11 | 南通海狮船舶机械有限公司 | Ballast water treatment system high-precision full-automatic high-pressure backwash filter |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107469433A (en) * | 2017-09-08 | 2017-12-15 | 江苏南极机械有限责任公司 | Ballast water treatment system full-automatic high-pressure backwash filter |
| CN108096897A (en) * | 2018-02-08 | 2018-06-01 | 江苏优耐特过滤装备有限公司 | The more filtering element self-cleaning filters of suctorial type |
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| CN104307234B (en) | 2016-01-20 |
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